plan9-amd64-0intro at 7c4ee1b1659cec7eb9218fe2fd54e0587ab1dbd9 :: Running /tmp/workdir-gnot/go/src/make.rc with args ["/tmp/workdir-gnot/go/src/make.rc" "-force"] and env ["home=/usr/glenda" "path=.\x00/bin" "*=" "type=host-plan9-amd64-0intro" "rcname=gobuildlet" "pid=258" "fn#term%=fn term% {$*}\n" "fn#newworkdir=fn newworkdir {if(test -d $workdir){for(i in `{du -a $workdir|awk '{print $2}'})chmod u+w $i;rm -rf $workdir};mkdir $workdir}\n" "status=" "fn#cd=fn cd {builtin cd $* && awd}\n" "GO_TEST_TIMEOUT_SCALE=2" "workdir=/tmp/workdir-gnot" "objtype=amd64" "fn#sigexit=" "cflag=" "0=/bin/gobuildlet" "WORKDIR=/tmp/workdir-gnot" "GOROOT_BOOTSTRAP=/tmp/workdir-gnot/go1.4" "GO_BUILDER_NAME=plan9-amd64-0intro" "GOBIN=" "PWD=/tmp/workdir-gnot/go/src"] in dir /tmp/workdir-gnot/go/src Building Go cmd/dist using /tmp/workdir-gnot/go1.4. (go1.20.6 plan9/amd64) Building Go toolchain1 using /tmp/workdir-gnot/go1.4. Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1. Building Go toolchain2 using go_bootstrap and Go toolchain1. Building Go toolchain3 using go_bootstrap and Go toolchain2. Building packages and commands for plan9/amd64. --- Installed Go for plan9/amd64 in /tmp/workdir-gnot/go Installed commands in /tmp/workdir-gnot/go/bin *** You need to bind /tmp/workdir-gnot/go/bin before /bin. ##### Test execution environment. # GOARCH: amd64 # CPU: Intel Core Processor (Broadwell) # GOOS: plan9 # OS Version: 2000 ##### Testing packages. ok archive/tar 0.189s ok archive/zip 0.317s ok bufio 0.106s ok bytes 0.187s ok cmp 0.081s ok compress/bzip2 0.106s ok compress/flate 0.582s ok compress/gzip 1.777s ok compress/lzw 0.143s ok compress/zlib 0.325s ok container/heap 0.076s ok container/list 0.077s ok container/ring 0.077s ok context 0.247s ok crypto 0.077s ok crypto/aes 0.088s ok crypto/cipher 1.090s ok crypto/des 0.077s ok crypto/dsa 0.514s ok crypto/ecdh 0.275s ok crypto/ecdsa 0.505s ok crypto/ed25519 0.463s ok crypto/elliptic 0.239s ok crypto/hmac 0.083s ok crypto/internal/alias 0.083s ok crypto/internal/bigmod 0.119s ok crypto/internal/boring 0.083s ok crypto/internal/boring/bcache 0.223s ok crypto/internal/edwards25519 0.140s ok crypto/internal/edwards25519/field 0.321s ok crypto/internal/nistec 0.173s ok crypto/internal/nistec/fiat 0.082s [no tests to run] ok crypto/md5 0.337s ok crypto/rand 0.424s ok crypto/rc4 0.114s ok crypto/rsa 0.620s ok crypto/sha1 0.458s ok crypto/sha256 0.385s ok crypto/sha512 0.092s ok crypto/subtle 0.528s ok crypto/tls 14.117s ok crypto/x509 0.406s ok database/sql 0.812s ok database/sql/driver 0.083s ok debug/buildinfo 0.089s ok debug/dwarf 0.148s ok debug/elf 0.231s ok debug/gosym 0.170s ok debug/macho 0.107s ok debug/pe 0.209s ok debug/plan9obj 0.084s ok embed 0.084s [no tests to run] ok embed/internal/embedtest 0.086s ok encoding/ascii85 0.085s ok encoding/asn1 0.089s ok encoding/base32 0.083s ok encoding/base64 0.084s ok encoding/binary 0.079s ok encoding/csv 0.081s ok encoding/gob 2.283s ok encoding/hex 0.078s ok encoding/json 0.314s ok encoding/pem 0.302s ok encoding/xml 0.116s ok errors 0.080s ok expvar 0.077s ok flag 0.472s ok fmt 0.119s ok go/ast 0.079s ok go/build 2.371s ok go/build/constraint 0.077s ok go/constant 0.080s ok go/doc 0.144s ok go/doc/comment 1.783s ok go/format 0.080s ok go/importer 1.475s ok go/internal/gccgoimporter 0.090s ok go/internal/gcimporter 9.892s ok go/internal/srcimporter 3.417s ok go/parser 0.231s ok go/printer 0.241s ok go/scanner 0.077s ok go/token 0.085s ok go/types 38.303s ok go/version 0.076s ok hash 0.093s ok hash/adler32 0.081s ok hash/crc32 0.080s ok hash/crc64 0.075s ok hash/fnv 0.078s ok hash/maphash 0.117s ok html 0.082s ok html/template 0.143s ok image 0.111s ok image/color 0.084s ok image/draw 0.122s ok image/gif 0.163s ok image/jpeg 0.194s ok image/png 0.249s ok index/suffixarray 0.200s ok internal/abi 0.828s ok internal/buildcfg 0.074s ok internal/chacha8rand 0.083s ok internal/coverage/cformat 0.075s ok internal/coverage/cmerge 0.077s ok internal/coverage/pods 0.083s ok internal/coverage/slicereader 0.098s ok internal/coverage/slicewriter 0.079s ok internal/coverage/test 0.092s ok internal/cpu 0.085s ok internal/dag 0.078s ok internal/diff 0.084s ok internal/fmtsort 0.076s ok internal/fuzz 0.080s ok internal/godebug 4.077s ok internal/godebugs 0.075s ok internal/gover 0.074s ok internal/intern 0.145s ok internal/itoa 0.078s ok internal/platform 2.486s ok internal/poll 0.102s ok internal/profile 0.074s ok internal/reflectlite 0.085s ok internal/safefilepath 0.075s ok internal/saferio 0.095s ok internal/singleflight 0.098s ok internal/testenv 0.985s ok internal/trace 0.126s --- FAIL: TestTraceAnnotationsStress (1.25s) --- FAIL: TestTraceAnnotationsStress/Default (1.25s) trace_test.go:560: stderr: fatal error: unexpected signal during runtime execution [signal sys: trap: fault read code=0x0 addr=0x0 pc=0x25528a] runtime stack: runtime.throw({0x2b0723?, 0x466ac0?}) /tmp/workdir-gnot/go/src/runtime/panic.go:1011 +0x65 fp=0x7fffffffe928 sp=0x7fffffffe8f8 pc=0x232ba5 runtime.sigpanic() /tmp/workdir-gnot/go/src/runtime/os_plan9.go:75 +0x4a5 fp=0x7fffffffe9a8 sp=0x7fffffffe928 pc=0x22fac5 runtime.fpTracebackPCs(...) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:219 pc=0x25528b runtime.traceStack(0x409ce0?, 0x11?, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:70 +0x8f fp=0x7fffffffedf0 sp=0x7fffffffe9a8 pc=0x25514f runtime.traceLocker.stack(...) /tmp/workdir-gnot/go/src/runtime/trace2event.go:166 pc=0x25473b runtime.traceLocker.GoPark({0x409ce0?, 0x400000002?}, 0xe, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2runtime.go:438 +0x20 fp=0x7fffffffee80 sp=0x7fffffffedf0 pc=0x2546c0 runtime.park_m(0x480061c0) /tmp/workdir-gnot/go/src/runtime/proc.go:4017 +0x85 fp=0x7fffffffeed8 sp=0x7fffffffee80 pc=0x23c6e5 runtime.mcall() /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:458 +0x53 fp=0x7fffffffeef0 sp=0x7fffffffeed8 pc=0x260f93 goroutine 1 gp=0x480061c0 m=0 mp=0x409ce0 [sleep]: runtime.gopark(0x48054de0?, 0x17b20675905e64b9?, 0xa0?, 0xd3?, 0x8?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48054dc0 sp=0x48054da0 pc=0x2356ae time.Sleep(0x989680) /tmp/workdir-gnot/go/src/runtime/time.go:195 +0x131 fp=0x48054e08 sp=0x48054dc0 pc=0x25f791 main.do({0x2cd518, 0x480820c0}, 0x3) /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:83 +0x145 fp=0x48054e98 sp=0x48054e08 pc=0x28dae5 main.main() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:45 +0x194 fp=0x48054f48 sp=0x48054e98 pc=0x28d914 runtime.main() /tmp/workdir-gnot/go/src/runtime/proc.go:271 +0x2cb fp=0x48054fe0 sp=0x48054f48 pc=0x23526b runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48054fe8 sp=0x48054fe0 pc=0x262e81 goroutine 2 gp=0x48006700 m=nil [force gc (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48055fa0 sp=0x48055f80 pc=0x2356ae runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x235507 runtime.forcegchelper() /tmp/workdir-gnot/go/src/runtime/proc.go:326 +0x85 fp=0x48055fe0 sp=0x48055fa0 pc=0x2354e5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48055fe8 sp=0x48055fe0 pc=0x262e81 created by runtime.init.6 in goroutine 1 /tmp/workdir-gnot/go/src/runtime/proc.go:314 +0x1a goroutine 3 gp=0x480068c0 m=nil [GC sweep wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48056f80 sp=0x48056f60 pc=0x2356ae runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x221f54 runtime.bgsweep(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcsweep.go:278 +0x72 fp=0x48056fc8 sp=0x48056f80 pc=0x221f32 runtime.gcenable.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x25 fp=0x48056fe0 sp=0x48056fc8 pc=0x216645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48056fe8 sp=0x48056fe0 pc=0x262e81 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x66 goroutine 4 gp=0x48006a80 m=nil [GC scavenge wait]: runtime.gopark(0x4806a000?, 0x2cc218?, 0x1?, 0x0?, 0x48006a80?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48057f78 sp=0x48057f58 pc=0x2356ae runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x21f8e9 runtime.(*scavengerState).park(0x409680) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:425 +0x2e fp=0x48057fa8 sp=0x48057f78 pc=0x21f8ce runtime.bgscavenge(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:653 +0x3c fp=0x48057fc8 sp=0x48057fa8 pc=0x21fedc runtime.gcenable.gowrap2() /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0x25 fp=0x48057fe0 sp=0x48057fc8 pc=0x2165e5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48057fe8 sp=0x48057fe0 pc=0x262e81 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0xa5 goroutine 5 gp=0x48006fc0 m=nil [finalizer wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48050e20 sp=0x48050e00 pc=0x2356ae runtime.runfinq() /tmp/workdir-gnot/go/src/runtime/mfinal.go:194 +0x107 fp=0x48050fe0 sp=0x48050e20 pc=0x215647 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48050fe8 sp=0x48050fe0 pc=0x262e81 created by runtime.createfing in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mfinal.go:164 +0x3d goroutine 6 gp=0x48007180 m=nil [chan receive]: runtime.gopark(0x24dcc5?, 0x4801e0b0?, 0x2?, 0x0?, 0x48051ef8?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48051ea8 sp=0x48051e88 pc=0x2356ae runtime.chanrecv(0x480800c0, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x48051f20 sp=0x48051ea8 pc=0x2050ff runtime.chanrecv1(0x4807e050?, 0x17b20675943a78e8?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x48051f48 sp=0x48051f20 pc=0x204d32 runtime.(*wakeableSleep).sleep(0x4801a018, 0x5f5e100) /tmp/workdir-gnot/go/src/runtime/trace2.go:943 +0xb8 fp=0x48051fa8 sp=0x48051f48 pc=0x251818 runtime.traceStartReadCPU.func1() /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:56 +0x45 fp=0x48051fe0 sp=0x48051fa8 pc=0x252365 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48051fe8 sp=0x48051fe0 pc=0x262e81 created by runtime.traceStartReadCPU in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x156 goroutine 7 gp=0x48007340 m=nil [chan receive]: runtime.gopark(0x24dcc5?, 0x48022040?, 0x3?, 0x0?, 0x48052f00?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48052eb0 sp=0x48052e90 pc=0x2356ae runtime.chanrecv(0x480801e0, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x48052f28 sp=0x48052eb0 pc=0x2050ff runtime.chanrecv1(0x4807e0a0?, 0x17b20675c9df68bf?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x48052f50 sp=0x48052f28 pc=0x204d32 runtime.(*wakeableSleep).sleep(0x4801a030, 0x3b9aca00) /tmp/workdir-gnot/go/src/runtime/trace2.go:943 +0xb8 fp=0x48052fb0 sp=0x48052f50 pc=0x251818 runtime.(*traceAdvancerState).start.func1() /tmp/workdir-gnot/go/src/runtime/trace2.go:880 +0x28 fp=0x48052fe0 sp=0x48052fb0 pc=0x251688 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48052fe8 sp=0x48052fe0 pc=0x262e81 created by runtime.(*traceAdvancerState).start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2.go:877 +0x165 goroutine 8 gp=0x48007500 m=nil [trace reader (blocked)]: runtime.gopark(0x48053f78?, 0x480260c0?, 0x38?, 0x3f?, 0x48053f90?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48053f38 sp=0x48053f18 pc=0x2356ae runtime.ReadTrace() /tmp/workdir-gnot/go/src/runtime/trace2.go:678 +0x31 fp=0x48053fa0 sp=0x48053f38 pc=0x251091 runtime/trace.Start.func1() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:130 +0x45 fp=0x48053fe0 sp=0x48053fa0 pc=0x28d5e5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48053fe8 sp=0x48053fe0 pc=0x262e81 created by runtime/trace.Start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0xf6 goroutine 17 gp=0x480076c0 m=nil [runnable]: main.do.func1.gowrap1() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:69 +0x1 fp=0x4808cfe0 sp=0x4808cfd8 pc=0x28dc61 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808cfe8 sp=0x4808cfe0 pc=0x262e81 created by main.do.func1 in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:69 +0x45 goroutine 16 gp=0x48007880 m=nil [runnable]: main.do.func1.gowrap1() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:69 +0x1 fp=0x4808dfe0 sp=0x4808dfd8 pc=0x28dc61 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808dfe8 sp=0x4808dfe0 pc=0x262e81 created by main.do.func1 in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:69 +0x45 goroutine 15 gp=0x48007a40 m=nil [runnable]: main.do.func1.gowrap1() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:69 +0x1 fp=0x4808efe0 sp=0x4808efd8 pc=0x28dc61 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808efe8 sp=0x4808efe0 pc=0x262e81 created by main.do.func1 in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:69 +0x45 exit status: 'annotations-stress 17200: 2' trace_test.go:562: exit status: 'go 17180: 1' --- FAIL: TestTraceCPUProfile (1.82s) --- FAIL: TestTraceCPUProfile/Default (1.82s) trace_test.go:560: stderr: fatal error: unexpected signal during runtime execution [signal sys: trap: code=0x0 addr=0x0 pc=0x256d0a] runtime stack: runtime.throw({0x2e6cf1?, 0x46a8c0?}) /tmp/workdir-gnot/go/src/runtime/panic.go:1011 +0x65 fp=0x7fffffffe928 sp=0x7fffffffe8f8 pc=0x233945 runtime.sigpanic() /tmp/workdir-gnot/go/src/runtime/os_plan9.go:75 +0x4a5 fp=0x7fffffffe9a8 sp=0x7fffffffe928 pc=0x2306e5 runtime.fpTracebackPCs(...) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:219 pc=0x256d0b runtime.traceStack(0x40b320?, 0x7fffffffee40?, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:70 +0x8f fp=0x7fffffffedf0 sp=0x7fffffffe9a8 pc=0x256bcf runtime.traceLocker.stack(...) /tmp/workdir-gnot/go/src/runtime/trace2event.go:166 pc=0x2561bb runtime.traceLocker.GoPark({0x40b320?, 0x400000002?}, 0xe, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2runtime.go:438 +0x20 fp=0x7fffffffee80 sp=0x7fffffffedf0 pc=0x256140 runtime.park_m(0x48007180) /tmp/workdir-gnot/go/src/runtime/proc.go:4017 +0x85 fp=0x7fffffffeed8 sp=0x7fffffffee80 pc=0x23d485 runtime.mcall() /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:458 +0x53 fp=0x7fffffffeef0 sp=0x7fffffffeed8 pc=0x2628b3 goroutine 6 gp=0x48007180 m=0 mp=0x40b320 [sleep]: runtime.gopark(0x48051f30?, 0x17b2067601d5bef0?, 0xdb?, 0xde?, 0x48088210?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48051f10 sp=0x48051ef0 pc=0x23644e time.Sleep(0x5f5e100) /tmp/workdir-gnot/go/src/runtime/time.go:195 +0x131 fp=0x48051f58 sp=0x48051f10 pc=0x261671 runtime/pprof.profileWriter({0x308548?, 0x48084090?}) /tmp/workdir-gnot/go/src/runtime/pprof/pprof.go:850 +0x4a fp=0x48051fc0 sp=0x48051f58 pc=0x2b08ea runtime/pprof.StartCPUProfile.gowrap2() /tmp/workdir-gnot/go/src/runtime/pprof/pprof.go:835 +0x25 fp=0x48051fe0 sp=0x48051fc0 pc=0x2b0805 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48051fe8 sp=0x48051fe0 pc=0x2647a1 created by runtime/pprof.StartCPUProfile in goroutine 1 /tmp/workdir-gnot/go/src/runtime/pprof/pprof.go:835 +0x156 goroutine 1 gp=0x480061c0 m=nil [runnable]: runtime.Gosched(...) /tmp/workdir-gnot/go/src/runtime/proc.go:342 pc=0x2ba7e5 main.cpuHog0(0x48054b00?, 0x186a0) /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/cpu-profile.go:128 +0x54 fp=0x48054af0 sp=0x48054ac8 pc=0x2ba7d4 main.cpuHog1(0x0?) /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/cpu-profile.go:120 +0x18 fp=0x48054b10 sp=0x48054af0 pc=0x2ba758 main.cpuHogger(0x2e8c90, 0x46aa60, 0x5f5e100) /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/cpu-profile.go:107 +0x4f fp=0x48054b60 sp=0x48054b10 pc=0x2ba6af main.main.func1.1({0x308a58?, 0x480840f0?}) /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/cpu-profile.go:44 +0x25 fp=0x48054b88 sp=0x48054b60 pc=0x2ba5e5 runtime/pprof.Do({0x308a20?, 0x46a9e0?}, {{0x48022040?, 0x9?, 0x4801a060?}}, 0x48054c58) /tmp/workdir-gnot/go/src/runtime/pprof/runtime.go:51 +0xa4 fp=0x48054bf8 sp=0x48054b88 pc=0x2b9144 main.main.func1(0x5f5e100) /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/cpu-profile.go:43 +0x251 fp=0x48054cc0 sp=0x48054bf8 pc=0x2ba551 main.main() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/cpu-profile.go:50 +0x10f fp=0x48054f48 sp=0x48054cc0 pc=0x2b9d2f runtime.main() /tmp/workdir-gnot/go/src/runtime/proc.go:271 +0x2cb fp=0x48054fe0 sp=0x48054f48 pc=0x23600b runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48054fe8 sp=0x48054fe0 pc=0x2647a1 goroutine 2 gp=0x48006700 m=nil [force gc (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48055fa0 sp=0x48055f80 pc=0x23644e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x2362a7 runtime.forcegchelper() /tmp/workdir-gnot/go/src/runtime/proc.go:326 +0x85 fp=0x48055fe0 sp=0x48055fa0 pc=0x236285 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48055fe8 sp=0x48055fe0 pc=0x2647a1 created by runtime.init.6 in goroutine 1 /tmp/workdir-gnot/go/src/runtime/proc.go:314 +0x1a goroutine 3 gp=0x480068c0 m=nil [GC sweep wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48056f80 sp=0x48056f60 pc=0x23644e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x222b74 runtime.bgsweep(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcsweep.go:278 +0x72 fp=0x48056fc8 sp=0x48056f80 pc=0x222b52 runtime.gcenable.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x25 fp=0x48056fe0 sp=0x48056fc8 pc=0x217265 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48056fe8 sp=0x48056fe0 pc=0x2647a1 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x66 goroutine 4 gp=0x48006a80 m=nil [GC scavenge wait]: runtime.gopark(0x4806a000?, 0x306f58?, 0x1?, 0x0?, 0x48006a80?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48057f78 sp=0x48057f58 pc=0x23644e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x220509 runtime.(*scavengerState).park(0x40acc0) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:425 +0x2e fp=0x48057fa8 sp=0x48057f78 pc=0x2204ee runtime.bgscavenge(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:653 +0x3c fp=0x48057fc8 sp=0x48057fa8 pc=0x220afc runtime.gcenable.gowrap2() /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0x25 fp=0x48057fe0 sp=0x48057fc8 pc=0x217205 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48057fe8 sp=0x48057fe0 pc=0x2647a1 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0xa5 goroutine 5 gp=0x48006fc0 m=nil [finalizer wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48050e20 sp=0x48050e00 pc=0x23644e runtime.runfinq() /tmp/workdir-gnot/go/src/runtime/mfinal.go:194 +0x107 fp=0x48050fe0 sp=0x48050e20 pc=0x216267 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48050fe8 sp=0x48050fe0 pc=0x2647a1 created by runtime.createfing in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mfinal.go:164 +0x3d goroutine 7 gp=0x48007340 m=nil [runnable]: runtime.traceStartReadCPU.func1() /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x1 fp=0x48052fe0 sp=0x48052fd8 pc=0x253da1 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48052fe8 sp=0x48052fe0 pc=0x2647a1 created by runtime.traceStartReadCPU in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x156 goroutine 8 gp=0x48007500 m=nil [runnable]: runtime.(*traceAdvancerState).start.func1() /tmp/workdir-gnot/go/src/runtime/trace2.go:877 +0x1 fp=0x48053fe0 sp=0x48053fd8 pc=0x2530e1 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48053fe8 sp=0x48053fe0 pc=0x2647a1 created by runtime.(*traceAdvancerState).start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2.go:877 +0x165 goroutine 9 gp=0x480076c0 m=nil [trace reader (blocked)]: runtime.gopark(0x48096f78?, 0x480260c0?, 0x38?, 0x6f?, 0x48096f90?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48096f38 sp=0x48096f18 pc=0x23644e runtime.ReadTrace() /tmp/workdir-gnot/go/src/runtime/trace2.go:678 +0x31 fp=0x48096fa0 sp=0x48096f38 pc=0x252b11 runtime/trace.Start.func1() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:130 +0x45 fp=0x48096fe0 sp=0x48096fa0 pc=0x2b9a25 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48096fe8 sp=0x48096fe0 pc=0x2647a1 created by runtime/trace.Start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0xf6 exit status: 'cpu-profile 17229: 2' trace_test.go:562: exit status: 'go 17206: 1' --- FAIL: TestTraceGCStress (1.36s) --- FAIL: TestTraceGCStress/Default (1.36s) trace_test.go:560: stderr: fatal error: unexpected signal during runtime execution [signal sys: trap: fault read code=0x0 addr=0x0 pc=0x2574aa] runtime stack: runtime.throw({0x2b2e7d?, 0x468440?}) /tmp/workdir-gnot/go/src/runtime/panic.go:1011 +0x65 fp=0x7fffffffe928 sp=0x7fffffffe8f8 pc=0x234bc5 runtime.sigpanic() /tmp/workdir-gnot/go/src/runtime/os_plan9.go:75 +0x4a5 fp=0x7fffffffe9a8 sp=0x7fffffffe928 pc=0x231ae5 runtime.fpTracebackPCs(...) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:219 pc=0x2574ab runtime.traceStack(0x40b660?, 0x23c5b2?, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:70 +0x8f fp=0x7fffffffedf0 sp=0x7fffffffe9a8 pc=0x25736f runtime.traceLocker.stack(...) /tmp/workdir-gnot/go/src/runtime/trace2event.go:166 pc=0x25695b runtime.traceLocker.GoPark({0x40b660?, 0x400000002?}, 0x7, 0x2) /tmp/workdir-gnot/go/src/runtime/trace2runtime.go:438 +0x20 fp=0x7fffffffee80 sp=0x7fffffffedf0 pc=0x2568e0 runtime.park_m(0x48007500) /tmp/workdir-gnot/go/src/runtime/proc.go:4017 +0x85 fp=0x7fffffffeed8 sp=0x7fffffffee80 pc=0x23e705 runtime.mcall() /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:458 +0x53 fp=0x7fffffffeef0 sp=0x7fffffffeed8 pc=0x263713 goroutine 8 gp=0x48007500 m=0 mp=0x40b660 [chan receive]: runtime.gopark(0x24fee5?, 0x4801e0a0?, 0x2?, 0x0?, 0x48054ef8?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48054ea8 sp=0x48054e88 pc=0x2376ce runtime.chanrecv(0x480800c0, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x48054f20 sp=0x48054ea8 pc=0x2050ff runtime.chanrecv1(0x4807e0a0?, 0x17b20676a50a15be?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x48054f48 sp=0x48054f20 pc=0x204d32 runtime.(*wakeableSleep).sleep(0x4801a018, 0x5f5e100) /tmp/workdir-gnot/go/src/runtime/trace2.go:943 +0xb8 fp=0x48054fa8 sp=0x48054f48 pc=0x253a38 runtime.traceStartReadCPU.func1() /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:56 +0x45 fp=0x48054fe0 sp=0x48054fa8 pc=0x254585 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48054fe8 sp=0x48054fe0 pc=0x265601 created by runtime.traceStartReadCPU in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x156 goroutine 1 gp=0x480061c0 m=nil [sleep]: runtime.gopark(0x4b1dbea8?, 0x17b206769f1309ba?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4b1dbe88 sp=0x4b1dbe68 pc=0x2376ce time.Sleep(0x17d78400) /tmp/workdir-gnot/go/src/runtime/time.go:195 +0x131 fp=0x4b1dbed0 sp=0x4b1dbe88 pc=0x2626f1 main.main() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/gc-stress.go:75 +0x1b8 fp=0x4b1dbf48 sp=0x4b1dbed0 pc=0x28e1f8 runtime.main() /tmp/workdir-gnot/go/src/runtime/proc.go:271 +0x2cb fp=0x4b1dbfe0 sp=0x4b1dbf48 pc=0x23728b runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4b1dbfe8 sp=0x4b1dbfe0 pc=0x265601 goroutine 2 gp=0x48006700 m=nil [force gc (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48055fa0 sp=0x48055f80 pc=0x2376ce runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x237527 runtime.forcegchelper() /tmp/workdir-gnot/go/src/runtime/proc.go:326 +0x85 fp=0x48055fe0 sp=0x48055fa0 pc=0x237505 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48055fe8 sp=0x48055fe0 pc=0x265601 created by runtime.init.6 in goroutine 1 /tmp/workdir-gnot/go/src/runtime/proc.go:314 +0x1a goroutine 3 gp=0x480068c0 m=nil [runnable]: runtime.goschedIfBusy() /tmp/workdir-gnot/go/src/runtime/proc.go:365 +0x28 fp=0x48056f80 sp=0x48056f68 pc=0x2375e8 runtime.bgsweep(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcsweep.go:302 +0x14f fp=0x48056fc8 sp=0x48056f80 pc=0x22402f runtime.gcenable.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x25 fp=0x48056fe0 sp=0x48056fc8 pc=0x218665 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48056fe8 sp=0x48056fe0 pc=0x265601 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x66 goroutine 4 gp=0x48006a80 m=nil [GC scavenge wait]: runtime.gopark(0x10000?, 0x2cf2d8?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48057f78 sp=0x48057f58 pc=0x2376ce runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x221909 runtime.(*scavengerState).park(0x40b000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:425 +0x2e fp=0x48057fa8 sp=0x48057f78 pc=0x2218ee runtime.bgscavenge(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:658 +0x59 fp=0x48057fc8 sp=0x48057fa8 pc=0x221f19 runtime.gcenable.gowrap2() /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0x25 fp=0x48057fe0 sp=0x48057fc8 pc=0x218605 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48057fe8 sp=0x48057fe0 pc=0x265601 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0xa5 goroutine 5 gp=0x48006fc0 m=nil [finalizer wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48050e20 sp=0x48050e00 pc=0x2376ce runtime.runfinq() /tmp/workdir-gnot/go/src/runtime/mfinal.go:194 +0x107 fp=0x48050fe0 sp=0x48050e20 pc=0x217667 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48050fe8 sp=0x48050fe0 pc=0x265601 created by runtime.createfing in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mfinal.go:164 +0x3d goroutine 6 gp=0x48007180 m=nil [GC worker (idle)]: runtime.gopark(0x48051f68?, 0x17b206769b94f8f3?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48051f28 sp=0x48051f08 pc=0x2376ce runtime.gcBgMarkWorker(0x480800c0) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x48051fc8 sp=0x48051f28 pc=0x21a82c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x48051fe0 sp=0x48051fc8 pc=0x21a705 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48051fe8 sp=0x48051fe0 pc=0x265601 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 7 gp=0x48007340 m=nil [runnable]: runtime.gcTrigger.test({0x0?, 0x0?, 0x0?}) /tmp/workdir-gnot/go/src/runtime/mgc.go:567 +0xdc fp=0x4a3b8f00 sp=0x4a3b8ef8 pc=0x21885c runtime.mallocgc(0x7f2b, 0x296940, 0x1) /tmp/workdir-gnot/go/src/runtime/malloc.go:1307 +0x825 fp=0x4a3b8f88 sp=0x4a3b8f00 pc=0x20cc85 runtime.makeslice(0x8000?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/slice.go:107 +0x49 fp=0x4a3b8fb0 sp=0x4a3b8f88 pc=0x248a49 main.main.func1() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/gc-stress.go:60 +0x3c fp=0x4a3b8fe0 sp=0x4a3b8fb0 pc=0x28e2dc runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4a3b8fe8 sp=0x4a3b8fe0 pc=0x265601 created by main.main in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/gc-stress.go:58 +0x115 goroutine 9 gp=0x480076c0 m=nil [runnable]: runtime.(*traceAdvancerState).start.func1() /tmp/workdir-gnot/go/src/runtime/trace2.go:877 +0x1 fp=0x4a3b7fe0 sp=0x4a3b7fd8 pc=0x253881 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4a3b7fe8 sp=0x4a3b7fe0 pc=0x265601 created by runtime.(*traceAdvancerState).start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2.go:877 +0x165 goroutine 10 gp=0x48007880 m=nil [trace reader (blocked)]: runtime.gopark(0x4a3b9f78?, 0x480260c0?, 0x38?, 0x9f?, 0x4a3b9f90?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4a3b9f38 sp=0x4a3b9f18 pc=0x2376ce runtime.ReadTrace() /tmp/workdir-gnot/go/src/runtime/trace2.go:678 +0x31 fp=0x4a3b9fa0 sp=0x4a3b9f38 pc=0x2532b1 runtime/trace.Start.func1() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:130 +0x45 fp=0x4a3b9fe0 sp=0x4a3b9fa0 pc=0x28dda5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4a3b9fe8 sp=0x4a3b9fe0 pc=0x265601 created by runtime/trace.Start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0xf6 exit status: 'gc-stress 17279: 2' trace_test.go:562: exit status: 'go 17258: 1' --- FAIL: TestTraceGOMAXPROCS (1.24s) --- FAIL: TestTraceGOMAXPROCS/Default (1.24s) trace_test.go:560: stderr: fatal error: unexpected signal during runtime execution [signal sys: trap: code=0x0 addr=0x0 pc=0x2553ca] runtime stack: runtime.throw({0x2a73ee?, 0x0?}) /tmp/workdir-gnot/go/src/runtime/panic.go:1011 +0x65 fp=0x7fffffffe8c0 sp=0x7fffffffe890 pc=0x232de5 runtime.sigpanic() /tmp/workdir-gnot/go/src/runtime/os_plan9.go:75 +0x4a5 fp=0x7fffffffe940 sp=0x7fffffffe8c0 pc=0x22fd05 runtime.fpTracebackPCs(...) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:219 pc=0x2553cb runtime.traceStack(0x4567d0?, 0x1?, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:70 +0x8f fp=0x7fffffffed88 sp=0x7fffffffe940 pc=0x25528f runtime.traceLocker.stack(...) /tmp/workdir-gnot/go/src/runtime/trace2event.go:166 pc=0x253ecd runtime.traceLocker.STWStart({0x409ae0?, 0x4808df20?}, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2runtime.go:318 +0x2c fp=0x7fffffffee10 sp=0x7fffffffed88 pc=0x253e4c runtime.stopTheWorldWithSema(0x1) /tmp/workdir-gnot/go/src/runtime/proc.go:1453 +0x59 fp=0x7fffffffeec0 sp=0x7fffffffee10 pc=0x237e39 runtime.gcMarkDone.func2() /tmp/workdir-gnot/go/src/runtime/mgc.go:863 +0x25 fp=0x7fffffffeee0 sp=0x7fffffffeec0 pc=0x2175c5 runtime.systemstack(0x409520) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:509 +0x4d fp=0x7fffffffeef0 sp=0x7fffffffeee0 pc=0x26070d goroutine 10 gp=0x48007880 m=0 mp=0x409ae0 [running]: runtime.systemstack_switch() /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:474 +0x8 fp=0x4808de90 sp=0x4808de80 pc=0x2606a8 runtime.gcMarkDone() /tmp/workdir-gnot/go/src/runtime/mgc.go:862 +0x247 fp=0x4808df28 sp=0x4808de90 pc=0x217327 runtime.gcBgMarkWorker(0x48080240) /tmp/workdir-gnot/go/src/runtime/mgc.go:1469 +0x3a5 fp=0x4808dfc8 sp=0x4808df28 pc=0x218c45 runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4808dfe0 sp=0x4808dfc8 pc=0x218865 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808dfe8 sp=0x4808dfe0 pc=0x262581 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 1 gp=0x480061c0 m=nil [sleep]: runtime.gopark(0x48054ec8?, 0x17b20676e95bcfc6?, 0xe0?, 0x4e?, 0x2056fe?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48054ea8 sp=0x48054e88 pc=0x2358ee time.Sleep(0xf4240) /tmp/workdir-gnot/go/src/runtime/time.go:195 +0x131 fp=0x48054ef0 sp=0x48054ea8 pc=0x25f671 main.main() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/gomaxprocs.go:38 +0x91 fp=0x48054f48 sp=0x48054ef0 pc=0x2870f1 runtime.main() /tmp/workdir-gnot/go/src/runtime/proc.go:271 +0x2cb fp=0x48054fe0 sp=0x48054f48 pc=0x2354ab runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48054fe8 sp=0x48054fe0 pc=0x262581 goroutine 2 gp=0x48006700 m=nil [force gc (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48055fa0 sp=0x48055f80 pc=0x2358ee runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x235747 runtime.forcegchelper() /tmp/workdir-gnot/go/src/runtime/proc.go:326 +0x85 fp=0x48055fe0 sp=0x48055fa0 pc=0x235725 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48055fe8 sp=0x48055fe0 pc=0x262581 created by runtime.init.6 in goroutine 1 /tmp/workdir-gnot/go/src/runtime/proc.go:314 +0x1a goroutine 3 gp=0x480068c0 m=nil [GC sweep wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48056f80 sp=0x48056f60 pc=0x2358ee runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x2220d4 runtime.bgsweep(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcsweep.go:278 +0x72 fp=0x48056fc8 sp=0x48056f80 pc=0x2220b2 runtime.gcenable.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x25 fp=0x48056fe0 sp=0x48056fc8 pc=0x2165c5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48056fe8 sp=0x48056fe0 pc=0x262581 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x66 goroutine 4 gp=0x48006a80 m=nil [GC scavenge wait]: runtime.gopark(0x10000?, 0x2c2910?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48057f78 sp=0x48057f58 pc=0x2358ee runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x21fa69 runtime.(*scavengerState).park(0x409480) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:425 +0x2e fp=0x48057fa8 sp=0x48057f78 pc=0x21fa4e runtime.bgscavenge(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:658 +0x59 fp=0x48057fc8 sp=0x48057fa8 pc=0x220079 runtime.gcenable.gowrap2() /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0x25 fp=0x48057fe0 sp=0x48057fc8 pc=0x216565 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48057fe8 sp=0x48057fe0 pc=0x262581 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0xa5 goroutine 5 gp=0x48006fc0 m=nil [finalizer wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48050e20 sp=0x48050e00 pc=0x2358ee runtime.runfinq() /tmp/workdir-gnot/go/src/runtime/mfinal.go:194 +0x107 fp=0x48050fe0 sp=0x48050e20 pc=0x2155c7 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48050fe8 sp=0x48050fe0 pc=0x262581 created by runtime.createfing in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mfinal.go:164 +0x3d goroutine 6 gp=0x48007180 m=nil [wait for GC cycle]: runtime.gopark(0x48051f18?, 0x48051f00?, 0xa0?, 0x70?, 0x48051f00?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48051f60 sp=0x48051f40 pc=0x2358ee runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x216875 runtime.gcWaitOnMark(0x1) /tmp/workdir-gnot/go/src/runtime/mgc.go:524 +0x33 fp=0x48051f90 sp=0x48051f60 pc=0x216853 runtime.GC() /tmp/workdir-gnot/go/src/runtime/mgc.go:468 +0x47 fp=0x48051fc8 sp=0x48051f90 pc=0x216727 main.main.func1() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/gomaxprocs.go:26 +0x13 fp=0x48051fe0 sp=0x48051fc8 pc=0x287173 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48051fe8 sp=0x48051fe0 pc=0x262581 created by main.main in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/gomaxprocs.go:24 +0x1e goroutine 7 gp=0x48007340 m=nil [chan receive]: runtime.gopark(0x24de05?, 0x4801e0c0?, 0x2?, 0x0?, 0x48052ef8?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48052ea8 sp=0x48052e88 pc=0x2358ee runtime.chanrecv(0x480800c0, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x48052f20 sp=0x48052ea8 pc=0x2050ff runtime.chanrecv1(0x4807e050?, 0x17b20676ef55dca8?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x48052f48 sp=0x48052f20 pc=0x204d32 runtime.(*wakeableSleep).sleep(0x4801a018, 0x5f5e100) /tmp/workdir-gnot/go/src/runtime/trace2.go:943 +0xb8 fp=0x48052fa8 sp=0x48052f48 pc=0x251958 runtime.traceStartReadCPU.func1() /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:56 +0x45 fp=0x48052fe0 sp=0x48052fa8 pc=0x2524a5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48052fe8 sp=0x48052fe0 pc=0x262581 created by runtime.traceStartReadCPU in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x156 goroutine 8 gp=0x48007500 m=nil [chan receive]: runtime.gopark(0x24de05?, 0x48022040?, 0x3?, 0x0?, 0x48053f00?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48053eb0 sp=0x48053e90 pc=0x2358ee runtime.chanrecv(0x480801e0, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x48053f28 sp=0x48053eb0 pc=0x2050ff runtime.chanrecv1(0x4807e0a0?, 0x17b2067724face29?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x48053f50 sp=0x48053f28 pc=0x204d32 runtime.(*wakeableSleep).sleep(0x4801a030, 0x3b9aca00) /tmp/workdir-gnot/go/src/runtime/trace2.go:943 +0xb8 fp=0x48053fb0 sp=0x48053f50 pc=0x251958 runtime.(*traceAdvancerState).start.func1() /tmp/workdir-gnot/go/src/runtime/trace2.go:880 +0x28 fp=0x48053fe0 sp=0x48053fb0 pc=0x2517c8 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48053fe8 sp=0x48053fe0 pc=0x262581 created by runtime.(*traceAdvancerState).start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2.go:877 +0x165 goroutine 9 gp=0x480076c0 m=nil [trace reader (blocked)]: runtime.gopark(0x4808cf78?, 0x480260c0?, 0x38?, 0xcf?, 0x4808cf90?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4808cf38 sp=0x4808cf18 pc=0x2358ee runtime.ReadTrace() /tmp/workdir-gnot/go/src/runtime/trace2.go:678 +0x31 fp=0x4808cfa0 sp=0x4808cf38 pc=0x2511d1 runtime/trace.Start.func1() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:130 +0x45 fp=0x4808cfe0 sp=0x4808cfa0 pc=0x286ec5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808cfe8 sp=0x4808cfe0 pc=0x262581 created by runtime/trace.Start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0xf6 exit status: 'gomaxprocs 17303: 2' trace_test.go:562: exit status: 'go 17282: 1' --- FAIL: TestTraceStress (3.38s) --- FAIL: TestTraceStress/Default (3.38s) trace_test.go:560: stderr: fatal error: unexpected signal during runtime execution [signal sys: trap: fault read code=0x0 addr=0x0 pc=0x25a6ca] runtime stack: runtime.throw({0x2fae10?, 0x467fe0?}) /tmp/workdir-gnot/go/src/runtime/panic.go:1011 +0x65 fp=0x7fffffffda00 sp=0x7fffffffd9d0 pc=0x236045 runtime.sigpanic() /tmp/workdir-gnot/go/src/runtime/os_plan9.go:75 +0x4a5 fp=0x7fffffffda80 sp=0x7fffffffda00 pc=0x232ae5 runtime.fpTracebackPCs(...) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:219 pc=0x25a6cb runtime.traceStack(0x48680008?, 0x48098f08?, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:70 +0x8f fp=0x7fffffffdec8 sp=0x7fffffffda80 pc=0x25a58f runtime.traceLocker.stack(...) /tmp/workdir-gnot/go/src/runtime/trace2event.go:166 pc=0x259b7b runtime.traceLocker.GoPark({0x48680008?, 0x400000002?}, 0xa, 0x0) /tmp/workdir-gnot/go/src/runtime/trace2runtime.go:438 +0x20 fp=0x7fffffffdf58 sp=0x7fffffffdec8 pc=0x259b00 runtime.park_m(0x48502380) /tmp/workdir-gnot/go/src/runtime/proc.go:4017 +0x85 fp=0x7fffffffdfb0 sp=0x7fffffffdf58 pc=0x23fb85 runtime.mcall() /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:458 +0x53 fp=0x7fffffffdfc8 sp=0x7fffffffdfb0 pc=0x266c13 goroutine 19 gp=0x48502380 m=11 mp=0x48680008 [GC worker (idle)]: runtime.gopark(0x4808cf68?, 0x17b206783a4f1173?, 0xdc?, 0xbc?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4808cf28 sp=0x4808cf08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4808cfc8 sp=0x4808cf28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4808cfe0 sp=0x4808cfc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808cfe8 sp=0x4808cfe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 1 gp=0x480061c0 m=nil [wait for GC cycle]: runtime.gopark(0x48054d98?, 0x48054d80?, 0x80?, 0x9e?, 0x48054d80?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48054de0 sp=0x48054dc0 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x219655 runtime.gcWaitOnMark(0x1) /tmp/workdir-gnot/go/src/runtime/mgc.go:524 +0x33 fp=0x48054e10 sp=0x48054de0 pc=0x219633 runtime.GC() /tmp/workdir-gnot/go/src/runtime/mgc.go:468 +0x47 fp=0x48054e48 sp=0x48054e10 pc=0x219507 main.main() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress.go:71 +0x2fb fp=0x48054f48 sp=0x48054e48 pc=0x2c611b runtime.main() /tmp/workdir-gnot/go/src/runtime/proc.go:271 +0x2cb fp=0x48054fe0 sp=0x48054f48 pc=0x23870b runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48054fe8 sp=0x48054fe0 pc=0x268b01 goroutine 2 gp=0x48006700 m=nil [force gc (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48055fa0 sp=0x48055f80 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x2389a7 runtime.forcegchelper() /tmp/workdir-gnot/go/src/runtime/proc.go:326 +0x85 fp=0x48055fe0 sp=0x48055fa0 pc=0x238985 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48055fe8 sp=0x48055fe0 pc=0x268b01 created by runtime.init.6 in goroutine 1 /tmp/workdir-gnot/go/src/runtime/proc.go:314 +0x1a goroutine 3 gp=0x480068c0 m=nil [GC sweep wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48056f80 sp=0x48056f60 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x224eb4 runtime.bgsweep(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcsweep.go:278 +0x72 fp=0x48056fc8 sp=0x48056f80 pc=0x224e92 runtime.gcenable.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x25 fp=0x48056fe0 sp=0x48056fc8 pc=0x2193a5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48056fe8 sp=0x48056fe0 pc=0x268b01 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x66 goroutine 4 gp=0x48006a80 m=nil [GC scavenge wait]: runtime.gopark(0x10000?, 0x31cf78?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48057f78 sp=0x48057f58 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x222849 runtime.(*scavengerState).park(0x40aba0) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:425 +0x2e fp=0x48057fa8 sp=0x48057f78 pc=0x22282e runtime.bgscavenge(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:658 +0x59 fp=0x48057fc8 sp=0x48057fa8 pc=0x222e59 runtime.gcenable.gowrap2() /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0x25 fp=0x48057fe0 sp=0x48057fc8 pc=0x219345 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48057fe8 sp=0x48057fe0 pc=0x268b01 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0xa5 goroutine 5 gp=0x48006fc0 m=nil [finalizer wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48050e20 sp=0x48050e00 pc=0x238b4e runtime.runfinq() /tmp/workdir-gnot/go/src/runtime/mfinal.go:194 +0x107 fp=0x48050fe0 sp=0x48050e20 pc=0x2183a7 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48050fe8 sp=0x48050fe0 pc=0x268b01 created by runtime.createfing in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mfinal.go:164 +0x3d goroutine 6 gp=0x48007180 m=nil [chan receive]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48051f18 sp=0x48051ef8 pc=0x238b4e runtime.chanrecv(0x480800c0, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x48051f90 sp=0x48051f18 pc=0x20545f runtime.chanrecv1(0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x48051fb8 sp=0x48051f90 pc=0x205092 main.main.func1() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress.go:29 +0x25 fp=0x48051fe0 sp=0x48051fb8 pc=0x2c69a5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48051fe8 sp=0x48051fe0 pc=0x268b01 created by main.main in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress.go:28 +0xd2 goroutine 7 gp=0x48007340 m=0 mp=0x40b200 [syscall]: syscall.Syscall6(0x32, 0x3, 0x48052fbf, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) /tmp/workdir-gnot/go/src/syscall/asm_plan9_amd64.s:63 +0x10 fp=0x48052e70 sp=0x48052db8 pc=0x27f310 syscall.Pread(0x48026140?, {0x48052fbf?, 0x0?, 0x0?}, 0x0?) /tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_amd64.go:218 +0x5e fp=0x48052ee8 sp=0x48052e70 pc=0x27ef3e syscall.Read(...) /tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:170 pc=0x28ceab os.(*File).read(0x48040040, {0x48052fbf, 0x1, 0x1}) /tmp/workdir-gnot/go/src/os/file_plan9.go:287 +0xc4 fp=0x48052f58 sp=0x48052ee8 pc=0x28ce84 os.(*File).Read(0x48040040, {0x48052fbf, 0x1, 0x1}) /tmp/workdir-gnot/go/src/os/file.go:118 +0x65 fp=0x48052f98 sp=0x48052f58 pc=0x28bc85 main.main.func3() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress.go:45 +0x3b fp=0x48052fe0 sp=0x48052f98 pc=0x2c68db runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48052fe8 sp=0x48052fe0 pc=0x268b01 created by main.main in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress.go:43 +0x213 goroutine 8 gp=0x48007500 m=nil [runnable]: runtime.gopark(0x252f65?, 0x48416000?, 0x1?, 0x0?, 0x48053ef8?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48053ea8 sp=0x48053e88 pc=0x238b4e runtime.chanrecv(0x48080120, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x48053f20 sp=0x48053ea8 pc=0x20545f runtime.chanrecv1(0x4807e0a0?, 0x17b20678205c84e8?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x48053f48 sp=0x48053f20 pc=0x205092 runtime.(*wakeableSleep).sleep(0x4801a060, 0x5f5e100) /tmp/workdir-gnot/go/src/runtime/trace2.go:943 +0xb8 fp=0x48053fa8 sp=0x48053f48 pc=0x256c58 runtime.traceStartReadCPU.func1() /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:56 +0x45 fp=0x48053fe0 sp=0x48053fa8 pc=0x2577a5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48053fe8 sp=0x48053fe0 pc=0x268b01 created by runtime.traceStartReadCPU in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x156 goroutine 9 gp=0x480076c0 m=14 mp=0x48481008 [running]: goroutine running on other thread; stack unavailable created by runtime.(*traceAdvancerState).start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2.go:877 +0x165 goroutine 10 gp=0x48007880 m=nil [runnable]: syscall.Syscall6(0x33, 0x1, 0x45c4f020, 0xffc7, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) /tmp/workdir-gnot/go/src/syscall/asm_plan9_amd64.s:63 +0x10 fp=0x4808fe78 sp=0x4808fdc0 pc=0x27f310 syscall.Pwrite(0x480260c0?, {0x45c4f020?, 0x7fffffffdff0?, 0x4808ff28?}, 0x238b4e?) /tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_amd64.go:235 +0x5e fp=0x4808fef0 sp=0x4808fe78 pc=0x27f03e syscall.Write(...) /tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:182 pc=0x28d14f os.(*File).write(0x48040030, {0x45c4f020, 0xffc7, 0xffe0}) /tmp/workdir-gnot/go/src/os/file_plan9.go:321 +0x110 fp=0x4808ff60 sp=0x4808fef0 pc=0x28d130 os.(*File).Write(0x48040030, {0x45c4f020, 0xffc7, 0xffe0}) /tmp/workdir-gnot/go/src/os/file.go:189 +0x65 fp=0x4808ffa0 sp=0x4808ff60 pc=0x28bd65 runtime/trace.Start.func1() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:134 +0x3b fp=0x4808ffe0 sp=0x4808ffa0 pc=0x2c5c7b runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808ffe8 sp=0x4808ffe0 pc=0x268b01 created by runtime/trace.Start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0xf6 goroutine 17 gp=0x48502000 m=nil [runnable, locked to thread]: runtime.Gosched(...) /tmp/workdir-gnot/go/src/runtime/proc.go:342 pc=0x2c6845 main.main.func4() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress.go:66 +0x56 fp=0x4808afe0 sp=0x4808afb8 pc=0x2c6836 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808afe8 sp=0x4808afe0 pc=0x268b01 created by main.main in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress.go:59 +0x2f6 goroutine 18 gp=0x485021c0 m=nil [GC worker (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4808bf28 sp=0x4808bf08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4808bfc8 sp=0x4808bf28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4808bfe0 sp=0x4808bfc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808bfe8 sp=0x4808bfe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 20 gp=0x48502540 m=nil [GC worker (idle)]: runtime.gopark(0x4808df68?, 0x17b2067833536a10?, 0xed?, 0x4f?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4808df28 sp=0x4808df08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4808dfc8 sp=0x4808df28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4808dfe0 sp=0x4808dfc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808dfe8 sp=0x4808dfe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 21 gp=0x48502700 m=nil [GC worker (idle)]: runtime.gopark(0x4850ef68?, 0x17b20678335a0182?, 0x9c?, 0x2c?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4850ef28 sp=0x4850ef08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4850efc8 sp=0x4850ef28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4850efe0 sp=0x4850efc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4850efe8 sp=0x4850efe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 22 gp=0x485028c0 m=nil [semacquire]: runtime.gopark(0x266c77?, 0x4850fe78?, 0x0?, 0xe0?, 0x4850fe60?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4850fe28 sp=0x4850fe08 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x24a435 runtime.semacquire1(0x40b0fc, 0x0, 0x0, 0x0, 0x12) /tmp/workdir-gnot/go/src/runtime/sema.go:160 +0x209 fp=0x4850fe90 sp=0x4850fe28 pc=0x24a409 runtime.semacquire(...) /tmp/workdir-gnot/go/src/runtime/sema.go:111 pc=0x219ef2 runtime.gcMarkDone() /tmp/workdir-gnot/go/src/runtime/mgc.go:806 +0x1b fp=0x4850ff28 sp=0x4850fe90 pc=0x219edb runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1469 +0x3a5 fp=0x4850ffc8 sp=0x4850ff28 pc=0x21ba25 runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4850ffe0 sp=0x4850ffc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4850ffe8 sp=0x4850ffe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 23 gp=0x48502a80 m=nil [GC worker (idle)]: runtime.gopark(0x468a80?, 0x3?, 0x7e?, 0x12?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48510f28 sp=0x48510f08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x48510fc8 sp=0x48510f28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x48510fe0 sp=0x48510fc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48510fe8 sp=0x48510fe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 24 gp=0x48502c40 m=8 mp=0x48480808 [GC mark termination]: runtime.systemstack_switch() /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:474 +0x8 fp=0x48511e90 sp=0x48511e80 pc=0x266c28 runtime.forEachP(...) /tmp/workdir-gnot/go/src/runtime/proc.go:1896 pc=0x21a018 runtime.gcMarkDone() /tmp/workdir-gnot/go/src/runtime/mgc.go:826 +0x110 fp=0x48511f28 sp=0x48511e90 pc=0x219fd0 runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1469 +0x3a5 fp=0x48511fc8 sp=0x48511f28 pc=0x21ba25 runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x48511fe0 sp=0x48511fc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48511fe8 sp=0x48511fe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 25 gp=0x48502e00 m=nil [GC worker (idle)]: runtime.gopark(0x468a80?, 0x1?, 0x77?, 0x58?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4850af28 sp=0x4850af08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4850afc8 sp=0x4850af28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4850afe0 sp=0x4850afc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4850afe8 sp=0x4850afe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 26 gp=0x48502fc0 m=nil [GC worker (idle)]: runtime.gopark(0x4850bf68?, 0x17b206783357c87a?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4850bf28 sp=0x4850bf08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4850bfc8 sp=0x4850bf28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4850bfe0 sp=0x4850bfc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4850bfe8 sp=0x4850bfe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 27 gp=0x48503180 m=nil [semacquire]: runtime.gopark(0x266c77?, 0x4850ce78?, 0x25?, 0x4a?, 0x4850ce60?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4850ce28 sp=0x4850ce08 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x24a435 runtime.semacquire1(0x40b0fc, 0x0, 0x0, 0x0, 0x12) /tmp/workdir-gnot/go/src/runtime/sema.go:160 +0x209 fp=0x4850ce90 sp=0x4850ce28 pc=0x24a409 runtime.semacquire(...) /tmp/workdir-gnot/go/src/runtime/sema.go:111 pc=0x219ef2 runtime.gcMarkDone() /tmp/workdir-gnot/go/src/runtime/mgc.go:806 +0x1b fp=0x4850cf28 sp=0x4850ce90 pc=0x219edb runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1469 +0x3a5 fp=0x4850cfc8 sp=0x4850cf28 pc=0x21ba25 runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4850cfe0 sp=0x4850cfc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4850cfe8 sp=0x4850cfe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 exit status: 'stress 17352: 2' trace_test.go:562: exit status: 'go 17331: 1' --- FAIL: TestTraceStressStartStop (15.21s) --- FAIL: TestTraceStressStartStop/Default (15.21s) trace_test.go:560: stderr: fatal error: unexpected signal during runtime execution [signal sys: trap: fault read code=0x0 addr=0x0 pc=0x25a6ca] runtime stack: runtime.throw({0x2fbbc7?, 0x0?}) /tmp/workdir-gnot/go/src/runtime/panic.go:1011 +0x65 fp=0x7fffffffd9a0 sp=0x7fffffffd970 pc=0x236045 runtime.sigpanic() /tmp/workdir-gnot/go/src/runtime/os_plan9.go:75 +0x4a5 fp=0x7fffffffda20 sp=0x7fffffffd9a0 pc=0x232ae5 runtime.fpTracebackPCs(...) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:219 pc=0x25a6cb runtime.traceStack(0x447ee0?, 0x2?, 0x2) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:70 +0x8f fp=0x7fffffffde68 sp=0x7fffffffda20 pc=0x25a58f runtime.traceLocker.stack(...) /tmp/workdir-gnot/go/src/runtime/trace2event.go:166 pc=0x2591cd runtime.traceLocker.STWStart({0x48500808?, 0x7fffffffde50?}, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2runtime.go:318 +0x2c fp=0x7fffffffdef0 sp=0x7fffffffde68 pc=0x25914c runtime.stopTheWorldWithSema(0x1) /tmp/workdir-gnot/go/src/runtime/proc.go:1453 +0x59 fp=0x7fffffffdfa0 sp=0x7fffffffdef0 pc=0x23b099 runtime.gcMarkDone.func2() /tmp/workdir-gnot/go/src/runtime/mgc.go:863 +0x25 fp=0x7fffffffdfc0 sp=0x7fffffffdfa0 pc=0x21a3a5 runtime.systemstack(0x48502540) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:509 +0x4d fp=0x7fffffffdfd0 sp=0x7fffffffdfc0 pc=0x266c8d goroutine 23 gp=0x48482e00 m=9 mp=0x48500808 [running]: runtime.systemstack_switch() /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:474 +0x8 fp=0x484a4e90 sp=0x484a4e80 pc=0x266c28 runtime.gcMarkDone() /tmp/workdir-gnot/go/src/runtime/mgc.go:862 +0x247 fp=0x484a4f28 sp=0x484a4e90 pc=0x21a107 runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1469 +0x3a5 fp=0x484a4fc8 sp=0x484a4f28 pc=0x21ba25 runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x484a4fe0 sp=0x484a4fc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x484a4fe8 sp=0x484a4fe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 1 gp=0x480061c0 m=nil [semacquire]: runtime.gopark(0x48dec000?, 0x256220?, 0x60?, 0x80?, 0x4859acd8?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4859acf8 sp=0x4859acd8 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x24a435 runtime.semacquire1(0x400128, 0x0, 0x0, 0x0, 0x12) /tmp/workdir-gnot/go/src/runtime/sema.go:160 +0x209 fp=0x4859ad60 sp=0x4859acf8 pc=0x24a409 runtime.semacquire(...) /tmp/workdir-gnot/go/src/runtime/sema.go:111 pc=0x25545d runtime.traceAdvance(0x1) /tmp/workdir-gnot/go/src/runtime/trace2.go:364 +0x106 fp=0x4859ae98 sp=0x4859ad60 pc=0x255446 runtime.StopTrace(...) /tmp/workdir-gnot/go/src/runtime/trace2.go:268 pc=0x2c64b5 runtime/trace.Stop() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:148 +0x8b fp=0x4859aed0 sp=0x4859ae98 pc=0x2c64ab main.main() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:163 +0xbc fp=0x4859af48 sp=0x4859aed0 pc=0x2c65fc runtime.main() /tmp/workdir-gnot/go/src/runtime/proc.go:271 +0x2cb fp=0x4859afe0 sp=0x4859af48 pc=0x23870b runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4859afe8 sp=0x4859afe0 pc=0x268b01 goroutine 2 gp=0x48006700 m=nil [force gc (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48055fa0 sp=0x48055f80 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x2389a7 runtime.forcegchelper() /tmp/workdir-gnot/go/src/runtime/proc.go:326 +0x85 fp=0x48055fe0 sp=0x48055fa0 pc=0x238985 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48055fe8 sp=0x48055fe0 pc=0x268b01 created by runtime.init.6 in goroutine 1 /tmp/workdir-gnot/go/src/runtime/proc.go:314 +0x1a goroutine 3 gp=0x480068c0 m=nil [GC sweep wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48056f80 sp=0x48056f60 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x224eb4 runtime.bgsweep(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcsweep.go:278 +0x72 fp=0x48056fc8 sp=0x48056f80 pc=0x224e92 runtime.gcenable.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x25 fp=0x48056fe0 sp=0x48056fc8 pc=0x2193a5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48056fe8 sp=0x48056fe0 pc=0x268b01 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x66 goroutine 4 gp=0x48006a80 m=nil [GC scavenge wait]: runtime.gopark(0x10000?, 0x31ddb0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48057f78 sp=0x48057f58 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x222849 runtime.(*scavengerState).park(0x40abc0) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:425 +0x2e fp=0x48057fa8 sp=0x48057f78 pc=0x22282e runtime.bgscavenge(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:658 +0x59 fp=0x48057fc8 sp=0x48057fa8 pc=0x222e59 runtime.gcenable.gowrap2() /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0x25 fp=0x48057fe0 sp=0x48057fc8 pc=0x219345 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48057fe8 sp=0x48057fe0 pc=0x268b01 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0xa5 goroutine 5 gp=0x48006fc0 m=nil [finalizer wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48050e20 sp=0x48050e00 pc=0x238b4e runtime.runfinq() /tmp/workdir-gnot/go/src/runtime/mfinal.go:194 +0x107 fp=0x48050fe0 sp=0x48050e20 pc=0x2183a7 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48050fe8 sp=0x48050fe0 pc=0x268b01 created by runtime.createfing in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mfinal.go:164 +0x3d goroutine 6 gp=0x48007180 m=nil [wait for GC cycle]: runtime.gopark(0x48051e28?, 0x48051e10?, 0x80?, 0x9e?, 0x48051e10?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48051e70 sp=0x48051e50 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x219655 runtime.gcWaitOnMark(0x1) /tmp/workdir-gnot/go/src/runtime/mgc.go:524 +0x33 fp=0x48051ea0 sp=0x48051e70 pc=0x219633 runtime.GC() /tmp/workdir-gnot/go/src/runtime/mgc.go:468 +0x47 fp=0x48051ed8 sp=0x48051ea0 pc=0x219507 main.main.func1() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:72 +0x250 fp=0x48051fe0 sp=0x48051ed8 pc=0x2c6930 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48051fe8 sp=0x48051fe0 pc=0x268b01 created by main.main in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:28 +0xa9 goroutine 10 gp=0x48007880 m=nil [chan receive]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4809df18 sp=0x4809def8 pc=0x238b4e runtime.chanrecv(0x480802a0, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x4809df90 sp=0x4809df18 pc=0x20545f runtime.chanrecv1(0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x4809dfb8 sp=0x4809df90 pc=0x205092 main.main.func1.2() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:38 +0x25 fp=0x4809dfe0 sp=0x4809dfb8 pc=0x2c72a5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4809dfe8 sp=0x4809dfe0 pc=0x268b01 created by main.main.func1 in goroutine 6 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:37 +0x11a goroutine 11 gp=0x48007a40 m=0 mp=0x40b220 [syscall]: syscall.Syscall6(0x32, 0x3, 0x4809efbf, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) /tmp/workdir-gnot/go/src/syscall/asm_plan9_amd64.s:63 +0x10 fp=0x4809ee70 sp=0x4809edb8 pc=0x27fa30 syscall.Pread(0x48026180?, {0x4809efbf?, 0x0?, 0x0?}, 0x0?) /tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_amd64.go:218 +0x5e fp=0x4809eee8 sp=0x4809ee70 pc=0x27f65e syscall.Read(...) /tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:170 pc=0x28d5cb os.(*File).read(0x48040048, {0x4809efbf, 0x1, 0x1}) /tmp/workdir-gnot/go/src/os/file_plan9.go:287 +0xc4 fp=0x4809ef58 sp=0x4809eee8 pc=0x28d5a4 os.(*File).Read(0x48040048, {0x4809efbf, 0x1, 0x1}) /tmp/workdir-gnot/go/src/os/file.go:118 +0x65 fp=0x4809ef98 sp=0x4809ef58 pc=0x28c3a5 main.main.func1.4() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:54 +0x3b fp=0x4809efe0 sp=0x4809ef98 pc=0x2c71db runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4809efe8 sp=0x4809efe0 pc=0x268b01 created by main.main.func1 in goroutine 6 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:52 +0x205 goroutine 17 gp=0x48482380 m=nil [runnable, locked to thread]: runtime.Gosched(...) /tmp/workdir-gnot/go/src/runtime/proc.go:342 pc=0x2c7145 main.main.func1.5() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:67 +0x56 fp=0x48098fe0 sp=0x48098fb8 pc=0x2c7136 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48098fe8 sp=0x48098fe0 pc=0x268b01 created by main.main.func1 in goroutine 6 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:60 +0x24b goroutine 18 gp=0x48482540 m=nil [GC worker (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48099f28 sp=0x48099f08 pc=0x238b4e runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x48099fc8 sp=0x48099f28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x48099fe0 sp=0x48099fc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48099fe8 sp=0x48099fe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 19 gp=0x48482700 m=nil [GC worker (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4809af28 sp=0x4809af08 pc=0x238b4e runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4809afc8 sp=0x4809af28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4809afe0 sp=0x4809afc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4809afe8 sp=0x4809afe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 20 gp=0x484828c0 m=nil [GC worker (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4809bf28 sp=0x4809bf08 pc=0x238b4e runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4809bfc8 sp=0x4809bf28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4809bfe0 sp=0x4809bfc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4809bfe8 sp=0x4809bfe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 21 gp=0x48482a80 m=nil [GC worker (idle)]: runtime.gopark(0x484a2f68?, 0x17b20678adf695a7?, 0xa7?, 0xc8?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x484a2f28 sp=0x484a2f08 pc=0x238b4e runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x484a2fc8 sp=0x484a2f28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x484a2fe0 sp=0x484a2fc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x484a2fe8 sp=0x484a2fe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 22 gp=0x48482c40 m=nil [GC worker (idle)]: runtime.gopark(0x484a3f68?, 0x17b20678df787a92?, 0x9b?, 0x3c?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x484a3f28 sp=0x484a3f08 pc=0x238b4e runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x484a3fc8 sp=0x484a3f28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x484a3fe0 sp=0x484a3fc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x484a3fe8 sp=0x484a3fe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 24 gp=0x48482fc0 m=nil [GC worker (idle)]: runtime.gopark(0x468aa0?, 0x1?, 0xe1?, 0x52?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x484a5f28 sp=0x484a5f08 pc=0x238b4e runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x484a5fc8 sp=0x484a5f28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x484a5fe0 sp=0x484a5fc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x484a5fe8 sp=0x484a5fe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 25 gp=0x48483180 m=nil [GC worker (idle)]: runtime.gopark(0x4849ef68?, 0x17b20678b0f549bd?, 0xc1?, 0xb8?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4849ef28 sp=0x4849ef08 pc=0x238b4e runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4849efc8 sp=0x4849ef28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4849efe0 sp=0x4849efc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4849efe8 sp=0x4849efe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 33 gp=0x48582380 m=nil [chan receive]: runtime.gopark(0x252f65?, 0x483b0000?, 0x1?, 0x0?, 0x4859bef8?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4859bea8 sp=0x4859be88 pc=0x238b4e runtime.chanrecv(0x485a6000, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x4859bf20 sp=0x4859bea8 pc=0x20545f runtime.chanrecv1(0x485a8000?, 0x17b2067bdc3ab7c7?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x4859bf48 sp=0x4859bf20 pc=0x205092 runtime.(*wakeableSleep).sleep(0x485a4000, 0x5f5e100) /tmp/workdir-gnot/go/src/runtime/trace2.go:943 +0xb8 fp=0x4859bfa8 sp=0x4859bf48 pc=0x256c58 runtime.traceStartReadCPU.func1() /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:56 +0x45 fp=0x4859bfe0 sp=0x4859bfa8 pc=0x2577a5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4859bfe8 sp=0x4859bfe0 pc=0x268b01 created by runtime.traceStartReadCPU in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x156 goroutine 34 gp=0x48582540 m=nil [chan receive]: runtime.gopark(0x252f65?, 0x485b2000?, 0x3?, 0x0?, 0x4859cf00?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4859ceb0 sp=0x4859ce90 pc=0x238b4e runtime.chanrecv(0x485a6120, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x4859cf28 sp=0x4859ceb0 pc=0x20545f runtime.chanrecv1(0x485a8050?, 0x17b2067c0b6b7570?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x4859cf50 sp=0x4859cf28 pc=0x205092 runtime.(*wakeableSleep).sleep(0x485a4018, 0x3b9aca00) /tmp/workdir-gnot/go/src/runtime/trace2.go:943 +0xb8 fp=0x4859cfb0 sp=0x4859cf50 pc=0x256c58 runtime.(*traceAdvancerState).start.func1() /tmp/workdir-gnot/go/src/runtime/trace2.go:880 +0x28 fp=0x4859cfe0 sp=0x4859cfb0 pc=0x256ac8 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4859cfe8 sp=0x4859cfe0 pc=0x268b01 created by runtime.(*traceAdvancerState).start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2.go:877 +0x165 goroutine 35 gp=0x48582700 m=nil [trace reader (blocked)]: runtime.gopark(0x4859df78?, 0x26a07b?, 0x1f?, 0xfe?, 0x45c5f020?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4859df38 sp=0x4859df18 pc=0x238b4e runtime.ReadTrace() /tmp/workdir-gnot/go/src/runtime/trace2.go:678 +0x31 fp=0x4859dfa0 sp=0x4859df38 pc=0x2564d1 runtime/trace.Start.func1() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:130 +0x45 fp=0x4859dfe0 sp=0x4859dfa0 pc=0x2c63a5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4859dfe8 sp=0x4859dfe0 pc=0x268b01 created by runtime/trace.Start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0xf6 exit status: 'stress-start-stop 17393: 2' trace_test.go:562: exit status: 'go 17373: 1' --- FAIL: TestTraceManyStartStop (1.25s) --- FAIL: TestTraceManyStartStop/Default (1.25s) trace_test.go:560: stderr: fatal error: unexpected signal during runtime execution [signal sys: trap: fault read code=0x0 addr=0x0 pc=0x2552aa] runtime stack: runtime.throw({0x2a7b65?, 0x0?}) /tmp/workdir-gnot/go/src/runtime/panic.go:1011 +0x65 fp=0x7fffffffe8c0 sp=0x7fffffffe890 pc=0x232de5 runtime.sigpanic() /tmp/workdir-gnot/go/src/runtime/os_plan9.go:75 +0x4a5 fp=0x7fffffffe940 sp=0x7fffffffe8c0 pc=0x22fd05 runtime.fpTracebackPCs(...) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:219 pc=0x2552ab runtime.traceStack(0x4467c0?, 0x2?, 0x2) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:70 +0x8f fp=0x7fffffffed88 sp=0x7fffffffe940 pc=0x25516f runtime.traceLocker.stack(...) /tmp/workdir-gnot/go/src/runtime/trace2event.go:166 pc=0x253dad runtime.traceLocker.STWStart({0x409b00?, 0xc?}, 0x2) /tmp/workdir-gnot/go/src/runtime/trace2runtime.go:318 +0x2c fp=0x7fffffffee10 sp=0x7fffffffed88 pc=0x253d2c runtime.stopTheWorldWithSema(0x2) /tmp/workdir-gnot/go/src/runtime/proc.go:1453 +0x59 fp=0x7fffffffeec0 sp=0x7fffffffee10 pc=0x237e39 runtime.gcStart.func1() /tmp/workdir-gnot/go/src/runtime/mgc.go:680 +0x25 fp=0x7fffffffeee0 sp=0x7fffffffeec0 pc=0x2170c5 runtime.systemstack(0x409540) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:509 +0x4d fp=0x7fffffffeef0 sp=0x7fffffffeee0 pc=0x26048d goroutine 1 gp=0x480061c0 m=0 mp=0x409b00 [running]: runtime.systemstack_switch() /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:474 +0x8 fp=0x48054df8 sp=0x48054de8 pc=0x260428 runtime.gcStart({0x1?, 0x0?, 0x287260?}) /tmp/workdir-gnot/go/src/runtime/mgc.go:679 +0x355 fp=0x48054ec0 sp=0x48054df8 pc=0x216d35 runtime.GC() /tmp/workdir-gnot/go/src/runtime/mgc.go:465 +0x3e fp=0x48054ef8 sp=0x48054ec0 pc=0x21671e main.main() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/many-start-stop.go:28 +0x1b fp=0x48054f48 sp=0x48054ef8 pc=0x2873fb runtime.main() /tmp/workdir-gnot/go/src/runtime/proc.go:271 +0x2cb fp=0x48054fe0 sp=0x48054f48 pc=0x2354ab runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48054fe8 sp=0x48054fe0 pc=0x262301 goroutine 2 gp=0x48006700 m=nil [force gc (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48055fa0 sp=0x48055f80 pc=0x2358ee runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x235747 runtime.forcegchelper() /tmp/workdir-gnot/go/src/runtime/proc.go:326 +0x85 fp=0x48055fe0 sp=0x48055fa0 pc=0x235725 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48055fe8 sp=0x48055fe0 pc=0x262301 created by runtime.init.6 in goroutine 1 /tmp/workdir-gnot/go/src/runtime/proc.go:314 +0x1a goroutine 3 gp=0x480068c0 m=nil [GC sweep wait]: runtime.gopark(0x1?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48056f80 sp=0x48056f60 pc=0x2358ee runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x22211f runtime.bgsweep(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcsweep.go:318 +0xbd fp=0x48056fc8 sp=0x48056f80 pc=0x2220fd runtime.gcenable.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x25 fp=0x48056fe0 sp=0x48056fc8 pc=0x2165c5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48056fe8 sp=0x48056fe0 pc=0x262301 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x66 goroutine 4 gp=0x48006a80 m=nil [GC scavenge wait]: runtime.gopark(0x10000?, 0x2c3080?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48057f78 sp=0x48057f58 pc=0x2358ee runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x21fa69 runtime.(*scavengerState).park(0x4094a0) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:425 +0x2e fp=0x48057fa8 sp=0x48057f78 pc=0x21fa4e runtime.bgscavenge(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:658 +0x59 fp=0x48057fc8 sp=0x48057fa8 pc=0x220079 runtime.gcenable.gowrap2() /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0x25 fp=0x48057fe0 sp=0x48057fc8 pc=0x216565 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48057fe8 sp=0x48057fe0 pc=0x262301 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0xa5 goroutine 5 gp=0x48006fc0 m=nil [finalizer wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48050e20 sp=0x48050e00 pc=0x2358ee runtime.runfinq() /tmp/workdir-gnot/go/src/runtime/mfinal.go:194 +0x107 fp=0x48050fe0 sp=0x48050e20 pc=0x2155c7 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48050fe8 sp=0x48050fe0 pc=0x262301 created by runtime.createfing in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mfinal.go:164 +0x3d goroutine 11 gp=0x48007180 m=nil [runnable]: runtime.(*traceAdvancerState).start.func1() /tmp/workdir-gnot/go/src/runtime/trace2.go:877 +0x1 fp=0x48051fe0 sp=0x48051fd8 pc=0x251681 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48051fe8 sp=0x48051fe0 pc=0x262301 created by runtime.(*traceAdvancerState).start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2.go:877 +0x165 goroutine 10 gp=0x48007340 m=nil [runnable]: runtime.traceStartReadCPU.func1() /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x1 fp=0x48052fe0 sp=0x48052fd8 pc=0x252341 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48052fe8 sp=0x48052fe0 pc=0x262301 created by runtime.traceStartReadCPU in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x156 goroutine 12 gp=0x48007500 m=nil [runnable]: runtime/trace.Start.func1() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0x1 fp=0x48053fe0 sp=0x48053fd8 pc=0x287201 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48053fe8 sp=0x48053fe0 pc=0x262301 created by runtime/trace.Start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0xf6 goroutine 9 gp=0x480076c0 m=nil [GC worker (idle)]: runtime.gopark(0x4808cf68?, 0x17b2067c24627ea7?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4808cf28 sp=0x4808cf08 pc=0x2358ee runtime.gcBgMarkWorker(0x48080240) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4808cfc8 sp=0x4808cf28 pc=0x21898c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4808cfe0 sp=0x4808cfc8 pc=0x218865 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808cfe8 sp=0x4808cfe0 pc=0x262301 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 exit status: 'many-start-stop 17425: 2' trace_test.go:562: exit status: 'go 17405: 1' FAIL FAIL internal/trace/v2 30.918s FAIL go tool dist: Failed: exit status: 'go 17012: 1'