New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

runtime: Plan 9 stuck forever in TestNoHelperGoroutines #12992

Open
bradfitz opened this Issue Oct 19, 2015 · 0 comments

Comments

Projects
None yet
2 participants
@bradfitz
Member

bradfitz commented Oct 19, 2015

Plan 9 sometimes hangs in TestNoHelperGoroutines:

https://storage.googleapis.com/go-build-log/eb8fa651/plan9-386_f2178495.log

##### GOMAXPROCS=2 runtime -cpu=1,2,4
panic: test timed out after 5m0s

goroutine 232244 [running]:
testing.startAlarm.func1()
    /tmp/workdir/go/src/testing/testing.go:703 +0xfd
created by time.goFunc
    /tmp/workdir/go/src/time/sleep.go:129 +0x35

goroutine 1 [chan receive, 4 minutes]:
testing.RunTests(0x238e74, 0x2e75a0, 0x99, 0x99, 0x185801)
    /tmp/workdir/go/src/testing/testing.go:562 +0x71a
testing.(*M).Run(0x104d4f84, 0xb171f)
    /tmp/workdir/go/src/testing/testing.go:494 +0x67
main.main()
    runtime/_test/_testmain.go:896 +0xff

goroutine 232243 [syscall, 4 minutes]:
syscall.Syscall6(0x4, 0x11bc5400, 0x200, 0xffffffff, 0xffffffff, 0x0, 0x0, 0xee4b, 0x200, 0x184a00, ...)
    /tmp/workdir/go/src/syscall/asm_plan9_386.s:57 +0x5
syscall.Pread(0x4, 0x11bc5400, 0x200, 0x200, 0xffffffff, 0xffffffff, 0x2910a, 0x0, 0x0)
    /tmp/workdir/go/src/syscall/zsyscall_plan9_386.go:228 +0x72
syscall.Read(0x4, 0x11bc5400, 0x200, 0x200, 0x0, 0x0, 0x0)
    /tmp/workdir/go/src/syscall/syscall_plan9.go:123 +0x54
os.(*File).read(0x104883e8, 0x11bc5400, 0x200, 0x200, 0x11bc5400, 0x0, 0x0)
    /tmp/workdir/go/src/os/file_plan9.go:248 +0x49
os.(*File).Read(0x104883e8, 0x11bc5400, 0x200, 0x200, 0x1, 0x0, 0x0)
    /tmp/workdir/go/src/os/file.go:95 +0x6e
bytes.(*Buffer).ReadFrom(0x104b65a0, 0x30461840, 0x104883e8, 0x0, 0x0, 0x0, 0x0)
    /tmp/workdir/go/src/bytes/buffer.go:173 +0x1c2
io.copyBuffer(0x30461810, 0x104b65a0, 0x30461840, 0x104883e8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
    /tmp/workdir/go/src/io/io.go:374 +0x128
io.Copy(0x30461810, 0x104b65a0, 0x30461840, 0x104883e8, 0x0, 0x0, 0x0, 0x0)
    /tmp/workdir/go/src/io/io.go:350 +0x52
os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0)
    /tmp/workdir/go/src/os/exec/exec.go:232 +0x71
os/exec.(*Cmd).Start.func1(0x107aa3c0, 0x1083f880)
    /tmp/workdir/go/src/os/exec/exec.go:340 +0x1c
created by os/exec.(*Cmd).Start
    /tmp/workdir/go/src/os/exec/exec.go:341 +0x77a

goroutine 232236 [syscall, 4 minutes, locked to thread]:
syscall.Syscall(0x106fdcc8, 0x200, 0x0, 0x0, 0x3, 0x2, 0x1, 0x801)
    /tmp/workdir/go/src/syscall/asm_plan9_386.s:22 +0x5
syscall.await(0x106fdcc8, 0x200, 0x200, 0x104eb09c, 0x0, 0x0)
    /tmp/workdir/go/src/syscall/zsyscall_plan9_386.go:45 +0x5a
syscall.Await(0x10836220, 0x0, 0x0)
    /tmp/workdir/go/src/syscall/syscall_plan9.go:200 +0x89
syscall.startProcess.func1(0x10817b40, 0x16, 0x10817a80, 0x4, 0x4, 0x10834060, 0x11bbab00)
    /tmp/workdir/go/src/syscall/exec_plan9.go:564 +0x212
created by syscall.startProcess
    /tmp/workdir/go/src/syscall/exec_plan9.go:568 +0x91

goroutine 232234 [chan receive, 4 minutes]:
syscall.WaitProcess(0x48f, 0x11bc32e0, 0x0, 0x0)
    /tmp/workdir/go/src/syscall/exec_plan9.go:640 +0x96
os.(*Process).wait(0x10818d90, 0x0, 0x0, 0x0)
    /tmp/workdir/go/src/os/exec_plan9.go:71 +0x71
os.(*Process).Wait(0x10818d90, 0x1081a200, 0x0, 0x0)
    /tmp/workdir/go/src/os/doc.go:45 +0x2a
os/exec.(*Cmd).Wait(0x107aa3c0, 0x0, 0x0)
    /tmp/workdir/go/src/os/exec/exec.go:380 +0x19a
os/exec.(*Cmd).Run(0x107aa3c0, 0x0, 0x0)
    /tmp/workdir/go/src/os/exec/exec.go:258 +0x57
os/exec.(*Cmd).CombinedOutput(0x107aa3c0, 0x0, 0x0, 0x0, 0x0, 0x0)
    /tmp/workdir/go/src/os/exec/exec.go:424 +0x23e
runtime_test.executeTest(0x104b6540, 0x23c0e0, 0xb4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
    /tmp/workdir/go/src/runtime/crash_test.go:83 +0xcd9
runtime_test.TestNoHelperGoroutines(0x104b6540)
    /tmp/workdir/go/src/runtime/crash_test.go:230 +0x4d
testing.tRunner(0x104b6540, 0x2e7708)
    /tmp/workdir/go/src/testing/testing.go:456 +0x8e
created by testing.RunTests
    /tmp/workdir/go/src/testing/testing.go:561 +0x6e8
FAIL    runtime 300.057s
2015/10/19 11:12:40 Failed: exit status: 'go 158: 1'

@bradfitz bradfitz added the OS-Plan9 label Oct 19, 2015

@bradfitz bradfitz added this to the Unplanned milestone Oct 19, 2015

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment