I'm running go 1.14.2 on a windows 2019 server that is acting as a jenkins
slave. The jenkins and the slave are connected with ssh and the master
starts a python process on the slave and that invoked go. ```go version```
and ```go build``` crash. But if I ssh or rdp into the server and run
either the python or go commands directly they work. Below are the crash
dumps that I'm getting. Any ideas on what the stack dumps mean, and whats
going wrong would be most appreciated.
```go version``` crash dump:
```
fatal error: runtime: mcall called on m->g0 stack
runtime stack:
io/ioutil.ReadFile(0xc0001481e0, 0x29, 0x0, 0x0, 0xcb, 0x0, 0xc00016ad00)
c:/go/src/io/ioutil/ioutil.go:52
cmd/go/internal/cfg.initEnvCache()
c:/go/src/cmd/go/internal/cfg/cfg.go:174 +0x69
sync.(*Once).doSlow(0xea9b00, 0xa76800)
c:/go/src/sync/once.go:66 +0xf3
sync.(*Once).Do(...)
c:/go/src/sync/once.go:57
cmd/go/internal/cfg.Getenv(0xa2ac05, 0x4, 0xc0001480f0, 0x2b)
c:/go/src/cmd/go/internal/cfg/cfg.go:223 +0x15e
cmd/go/internal/cfg.envOr(...)
c:/go/src/cmd/go/internal/cfg/cfg.go:280
cmd/go/internal/cfg.defaultContext(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, ...)
c:/go/src/cmd/go/internal/cfg/cfg.go:74 +0x1ad
cmd/go/internal/cfg.init()
c:/go/src/cmd/go/internal/cfg/cfg.go:28 +0x3e
goroutine 1 [runnable, locked to thread]:
io/ioutil.ReadFile(0xc0001481e0, 0x29, 0x0, 0x0, 0xcb, 0x0, 0xc00016ad00)
c:/go/src/io/ioutil/ioutil.go:52 +0x1c3
cmd/go/internal/cfg.initEnvCache()
c:/go/src/cmd/go/internal/cfg/cfg.go:174 +0x69
sync.(*Once).doSlow(0xea9b00, 0xa76800)
c:/go/src/sync/once.go:66 +0xf3
sync.(*Once).Do(...)
c:/go/src/sync/once.go:57
cmd/go/internal/cfg.Getenv(0xa2ac05, 0x4, 0xc0001480f0, 0x2b)
c:/go/src/cmd/go/internal/cfg/cfg.go:223 +0x15e
cmd/go/internal/cfg.envOr(...)
c:/go/src/cmd/go/internal/cfg/cfg.go:280
cmd/go/internal/cfg.defaultContext(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, ...)
c:/go/src/cmd/go/internal/cfg/cfg.go:74 +0x1ad
cmd/go/internal/cfg.init()
c:/go/src/cmd/go/internal/cfg/cfg.go:28 +0x3e
```
And the ```go build``` crash dump
```
Build output was runtime: gp: gp=0xc000085e00, goid=505, gp->atomicstatus=3
runtime: g: g=0xc000484000, goid=0, g->atomicstatus=0
fatal error: bad g status
runtime stack:
runtime.throw(0xa2f689, 0xc)
c:/go/src/runtime/panic.go:1116 +0x79
runtime.goschedImpl(0xc000085e00)
c:/go/src/runtime/proc.go:2697 +0x264
runtime.gopreempt_m(0xc000085e00)
c:/go/src/runtime/proc.go:2733 +0x3b
runtime.mcall(0x0)
c:/go/src/runtime/asm_amd64.s:318 +0x5e
goroutine 505 [syscall, locked to thread]:
runtime.cgocall(0x465180, 0xc0004802c8, 0x0)
c:/go/src/runtime/cgocall.go:133 +0x55 fp=0xc0005e7108 sp=0xc0005e70d0
pc=0x404165
syscall.Syscall(0x7ffea4112080, 0x1, 0x40c, 0x0, 0x0, 0x0, 0x0, 0x0)
c:/go/src/runtime/syscall_windows.go:188 +0xe9 fp=0xc0005e7148
sp=0xc0005e7108 pc=0x452589
syscall.CloseHandle(0x40c, 0xc000480000, 0xc0005e7208)
c:/go/src/syscall/zsyscall_windows.go:354 +0x61 fp=0xc0005e7198
sp=0xc0005e7148 pc=0x4b1231
internal/poll.(*FD).destroy(0xc000248000, 0x1, 0x0)
c:/go/src/internal/poll/fd_windows.go:454 +0xc1 fp=0xc0005e71d0
sp=0xc0005e7198 pc=0x4d4621
internal/poll.(*FD).decref(0xc000248000, 0xc00022e001, 0xc0005e72a0)
c:/go/src/internal/poll/fd_mutex.go:213 +0x49 fp=0xc0005e71f8
sp=0xc0005e71d0 pc=0x4d1ef9
internal/poll.(*FD).Close(0xc000248000, 0x8000, 0xc00042e000)
c:/go/src/internal/poll/fd_windows.go:472 +0x66 fp=0xc0005e7238
sp=0xc0005e71f8 pc=0x4d4706
os.(*file).close(0xc000248000, 0xc000454000, 0x0)
c:/go/src/os/file_windows.go:205 +0x58 fp=0xc0005e7288 sp=0xc0005e7238
pc=0x4e1038
os.(*File).Close(0xc00060e2c0, 0x17, 0xc00060e2c0)
c:/go/src/os/file_windows.go:193 +0x3a fp=0xc0005e72b0 sp=0xc0005e7288
pc=0x4e0f8a
cmd/internal/buildid.ReadFile(0xc00009e140, 0x17, 0xc00042e000, 0x53, 0x0,
0x0)
c:/go/src/cmd/internal/buildid/buildid.go:47 +0x243 fp=0xc0005e7368
sp=0xc0005e72b0 pc=0x82db13
cmd/go/internal/work.(*Builder).useCache(0xc00009b680, 0xc00009ca00,
0xc79b40d6b3a32276, 0x37623314d08a90e8, 0x93951802e993f1f4,
0xaf60a096d647cbd4, 0xc00009e140, 0x17, 0x52414f47245f6863)
c:/go/src/cmd/go/internal/work/buildid.go:448 +0xf4c fp=0xc0005e7590
sp=0xc0005e7368 pc=0x83db8c
cmd/go/internal/work.(*Builder).build(0xc00009b680, 0xc00009ca00, 0x0, 0x0)
c:/go/src/cmd/go/internal/work/exec.go:405 +0x5163 fp=0xc0005e7e70
sp=0xc0005e7590 pc=0x8473f3
cmd/go/internal/work.(*Builder).Do.func2(0xc00009ca00)
c:/go/src/cmd/go/internal/work/exec.go:118 +0x35f fp=0xc0005e7f10
sp=0xc0005e7e70 pc=0x87501f
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:178 +0x7d fp=0xc0005e7fc8
sp=0xc0005e7f10 pc=0x87514d
runtime.goexit()
c:/go/src/runtime/asm_amd64.s:1373 +0x1 fp=0xc0005e7fd0 sp=0xc0005e7fc8
pc=0x463701
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
goroutine 1 [semacquire]:
sync.runtime_Semacquire(0xc000212d38)
c:/go/src/runtime/sema.go:56 +0x49
sync.(*WaitGroup).Wait(0xc000212d30)
c:/go/src/sync/waitgroup.go:130 +0x6b
cmd/go/internal/work.(*Builder).Do(0xc00009b680, 0xc00009c280)
c:/go/src/cmd/go/internal/work/exec.go:187 +0x3b5
cmd/go/internal/work.runBuild(0xea0a20, 0xc0000d0030, 0x0, 0x0)
c:/go/src/cmd/go/internal/work/build.go:420 +0x6a1
main.main()
c:/go/src/cmd/go/main.go:189 +0x586
goroutine 508 [select]:
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:168 +0xf4
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
goroutine 507 [select]:
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:168 +0xf4
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
goroutine 511 [select]:
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:168 +0xf4
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
goroutine 509 [select]:
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:168 +0xf4
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
goroutine 510 [select]:
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:168 +0xf4
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
goroutine 506 [select]:
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:168 +0xf4
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
goroutine 512 [select]:
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:168 +0xf4
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
goroutine 513 [select]:
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:168 +0xf4
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
goroutine 530 [select]:
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:168 +0xf4
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
goroutine 531 [select]:
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:168 +0xf4
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
goroutine 532 [select]:
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:168 +0xf4
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
goroutine 533 [select]:
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:168 +0xf4
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
goroutine 534 [select]:
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:168 +0xf4
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
goroutine 535 [select]:
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:168 +0xf4
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
goroutine 536 [select]:
cmd/go/internal/work.(*Builder).Do.func3(0xc000212d30, 0xc00009b680,
0xc000097da0)
c:/go/src/cmd/go/internal/work/exec.go:168 +0xf4
created by cmd/go/internal/work.(*Builder).Do
c:/go/src/cmd/go/internal/work/exec.go:165 +0x391
```
Go is windows 1.14.2, python is 2.7.17, Jenkins master is 2.204.5 running
on Centos
I downgraded to go 1.13.10 and the crashes stop.
Regards,
Grant Singleton.
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