Observed the same here... (details of the environment at the end of the post)
Just building a hello world is good enough to crash go 3 times out of 4: --8<--------------------------------------------------------------------- ubuntu@qemu:~$ cat <<EOF > hello.go > package main > > import "fmt" > > func main() { > fmt.Println("Hello") > } > EOF --8<--------------------------------------------------------------------- If I build it with affinity set to a single CPU, all is fine: ubuntu@qemu:~$ taskset -c 1 /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build ubuntu@qemu:~$ taskset -c 1 /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build ubuntu@qemu:~$ taskset -c 1 /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build ubuntu@qemu:~$ taskset -c 1 /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build But with the go build going multithreaded, all sorts of hells break loose: --8<--------------------------------------------------------------------- ubuntu@qemu:~$ /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build fatal error: exitsyscall: syscall frame is no longer valid fatal error: malloc deadlock panic during panic runtime stack: runtime.startpanic_m() /usr/lib/go-1.10/src/runtime/panic.go:690 +fatal error: unexpected signal during runtime execution 0x178stack trace unavailable --8<--------------------------------------------------------------------- or this: --8<--------------------------------------------------------------------- ubuntu@qemu:~$ /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build fatal error: unexpected signal value panic during panic goroutine 0 [idle]: runtime: unexpected return pc for runtime.sigtramp called from 0x14420009ff0 stack: frame={sp:0x14420007900, fp:0x14420007920} stack=[0x14420002000,0x1442000a000) 0000014420007800: 0000000000000000 0000000000000084 0000014420007810: 000000000043d694 <runtime.sigtrampgo+44> 0000000000000000 0000014420007820: 0000000000000000 0000000000000000 0000014420007830: 00000144200ae000 0000000000000000 0000014420007840: 0000014420007920 00000144200079a0 0000014420007850: 000000000045266c <runtime.sigtramp+52> 0000014400000004 0000014420007860: 0000014420007920 00000144200079a0 0000014420007870: 00000144200ae180 0000000000000000 0000014420007880: 0000000000000000 0000000000000000 0000014420007890: 0000000000000000 0000000000000000 00000144200078a0: 0000000000000000 0000000000000000 00000144200078b0: 0000000000000000 00000144200ae180 00000144200078c0: 0000000000000000 0000000000000000 00000144200078d0: 0000000000000000 0000000000000000 00000144200078e0: 0000000000000000 0000000000000000 00000144200078f0: 0000000000000000 0000000000000000 0000014420007900: <0000014420009ff0 0000000000000004 0000014420007910: 0000014420007920 00000144200079a0 0000014420007920: >0000000000000004 0000000000000002 0000014420007930: 00000144201a4180 0000000000000000 0000014420007940: 000000000000000c 0000000000000001 0000014420007950: 0000000000000000 0000000000000000 0000014420007960: 0000000000000000 0000000000000000 0000014420007970: 0000000000000000 0000000000000000 0000014420007980: 0000000000000000 0000000000000000 0000014420007990: 0000000000000000 0000000000000000 00000144200079a0: 0000000000000000 0000000000000000 00000144200079b0: 0000014420002000 0000000000000000 00000144200079c0: 0000000000008000 0000000000000000 00000144200079d0: 0000000000000000 0000000000000000 00000144200079e0: 0000000000000000 0000000000000000 00000144200079f0: 0000000000000000 0000000000000000 0000014420007a00: 0000000000000000 0000000000000000 0000014420007a10: 0000000000000000 0000000000000000 runtime.startpanic_m() /usr/lib/go-1.10/src/runtime/panic.go:690 +0x178 runtime.startpanic() /usr/lib/go-1.10/src/runtime/panic.go:589 +0x14 runtime.sighandler(0x14400000004, 0x14420007920, 0x144200079a0, 0x144200ae180) /usr/lib/go-1.10/src/runtime/signal_sighandler.go:86 +0x4c4 runtime.sigtrampgo(0x4, 0x14420007920, 0x144200079a0) /usr/lib/go-1.10/src/runtime/signal_unix.go:349 +0x19c runtime: unexpected return pc for runtime.sigtramp called from 0x14420009ff0 stack: frame={sp:0x14420007900, fp:0x14420007920} stack=[0x14420002000,0x1442000a000) 0000014420007800: 0000000000000000 0000000000000084 0000014420007810: 000000000043d694 <runtime.sigtrampgo+44> 0000000000000000 0000014420007820: 0000000000000000 0000000000000000 0000014420007830: 00000144200ae000 0000000000000000 0000014420007840: 0000014420007920 00000144200079a0 0000014420007850: 000000000045266c <runtime.sigtramp+52> 0000014400000004 0000014420007860: 0000014420007920 00000144200079a0 0000014420007870: 00000144200ae180 0000000000000000 0000014420007880: 0000000000000000 0000000000000000 0000014420007890: 0000000000000000 0000000000000000 00000144200078a0: 0000000000000000 0000000000000000 00000144200078b0: 0000000000000000 00000144200ae180 00000144200078c0: 0000000000000000 0000000000000000 00000144200078d0: 0000000000000000 0000000000000000 00000144200078e0: 0000000000000000 0000000000000000 00000144200078f0: 0000000000000000 0000000000000000 0000014420007900: <0000014420009ff0 0000000000000004 0000014420007910: 0000014420007920 00000144200079a0 0000014420007920: >0000000000000004 0000000000000002 0000014420007930: 00000144201a4180 0000000000000000 0000014420007940: 000000000000000c 0000000000000001 0000014420007950: 0000000000000000 0000000000000000 0000014420007960: 0000000000000000 0000000000000000 0000014420007970: 0000000000000000 0000000000000000 0000014420007980: 0000000000000000 0000000000000000 0000014420007990: 0000000000000000 0000000000000000 00000144200079a0: 0000000000000000 0000000000000000 00000144200079b0: 0000014420002000 0000000000000000 00000144200079c0: 0000000000008000 0000000000000000 00000144200079d0: 0000000000000000 0000000000000000 00000144200079e0: 0000000000000000 0000000000000000 00000144200079f0: 0000000000000000 0000000000000000 0000014420007a00: 0000000000000000 0000000000000000 0000014420007a10: 0000000000000000 0000000000000000 runtime.sigtramp(0x2, 0x144201a4180, 0x0, 0xc, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, ...) /usr/lib/go-1.10/src/runtime/sys_linux_arm64.s:263 +0x34 goroutine 88 [syscall]: syscall.Syscall6(0x5f, 0x1, 0x2039, 0x144205909a0, 0x1000004, 0x0, 0x0, 0x144201a2320, 0x144200ac000, 0x40009efaf8) /usr/lib/go-1.10/src/syscall/asm_linux_arm64.s:36 +0x8 fp=0x14420590940 sp=0x14420590930 pc=0x471870 os.(*Process).blockUntilWaitable(0x1442036c000, 0x0, 0x0, 0x410a64) /usr/lib/go-1.10/src/os/wait_waitid.go:31 +0x64 fp=0x14420590a40 sp=0x14420590940 pc=0x49077c os.(*Process).wait(0x1442036c000, 0x14420262310, 0x144205841e0, 0x144203d6398) /usr/lib/go-1.10/src/os/exec_unix.go:22 +0x2c fp=0x14420590ac0 sp=0x14420590a40 pc=0x48a234 os.(*Process).Wait(0x1442036c000, 0x0, 0x0, 0x856708) /usr/lib/go-1.10/src/os/exec.go:123 +0x20 fp=0x14420590af0 sp=0x14420590ac0 pc=0x489898 os/exec.(*Cmd).Wait(0x144203d62c0, 0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c fp=0x14420590b70 sp=0x14420590af0 pc=0x4e1354 os/exec.(*Cmd).Run(0x144203d62c0, 0x144200f6150, 0x14420440840) /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 fp=0x14420590b90 sp=0x14420590b70 pc=0x4e0ad0 cmd/go/internal/work.(*Builder).toolID(0x1442029c0a0, 0x826cab, 0x3, 0x11, 0x14420591290) /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 fp=0x14420590d40 sp=0x14420590b90 pc=0x5bc57c cmd/go/internal/work.(*Builder).buildActionID(0x1442029c0a0, 0x144201537c0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:221 +0x116c fp=0x14420591450 sp=0x14420590d40 pc=0x5c0e04 cmd/go/internal/work.(*Builder).build(0x1442029c0a0, 0x144201537c0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 fp=0x14420591e70 sp=0x14420591450 pc=0x5c153c cmd/go/internal/work.(*Builder).Do.func1(0x144201537c0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 fp=0x14420591ef0 sp=0x14420591e70 pc=0x5e7cd8 cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c fp=0x14420591fc0 sp=0x14420591ef0 pc=0x5e7f74 runtime.goexit() /usr/lib/go-1.10/src/runtime/asm_arm64.s:1037 +0x4 fp=0x14420591fc0 sp=0x14420591fc0 pc=0x451cec created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 1 [semacquire]: sync.runtime_Semacquire(0x1442027725c) /usr/lib/go-1.10/src/runtime/sema.go:56 +0x2c sync.(*WaitGroup).Wait(0x14420277250) /usr/lib/go-1.10/src/sync/waitgroup.go:129 +0x68 cmd/go/internal/work.(*Builder).Do(0x1442029c0a0, 0x14420152c80) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:173 +0x36c cmd/go/internal/work.runBuild(0xa5d0a0, 0x144200da010, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/build.go:325 +0x4bc main.main() /usr/lib/go-1.10/src/cmd/go/main.go:140 +0x6f4 goroutine 19 [syscall]: os/signal.signal_recv(0x0) /usr/lib/go-1.10/src/runtime/sigqueue.go:139 +0xc8 os/signal.loop() /usr/lib/go-1.10/src/os/signal/signal_unix.go:22 +0x18 created by os/signal.init.0 /usr/lib/go-1.10/src/os/signal/signal_unix.go:28 +0x30 goroutine 11 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 12 [syscall]: syscall.Syscall6(0x5f, 0x1, 0x2008, 0x1442059e9a0, 0x1000004, 0x0, 0x0, 0x144203d8140, 0x1442006ec00, 0x40009e31e8) /usr/lib/go-1.10/src/syscall/asm_linux_arm64.s:36 +0x8 os.(*Process).blockUntilWaitable(0x144203e2240, 0x0, 0x0, 0x410a64) /usr/lib/go-1.10/src/os/wait_waitid.go:31 +0x64 os.(*Process).wait(0x144203e2240, 0x1442026a180, 0x14420544020, 0x1442058a238) /usr/lib/go-1.10/src/os/exec_unix.go:22 +0x2c os.(*Process).Wait(0x144203e2240, 0x0, 0x0, 0x856708) /usr/lib/go-1.10/src/os/exec.go:123 +0x20 os/exec.(*Cmd).Wait(0x1442058a160, 0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c os/exec.(*Cmd).Run(0x1442058a160, 0x14420132150, 0x14420318840) /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 cmd/go/internal/work.(*Builder).toolID(0x1442029c0a0, 0x8285a2, 0x7, 0x2c, 0x1442059f320) /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 cmd/go/internal/work.(*Builder).buildActionID(0x1442029c0a0, 0x1442017c8c0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec cmd/go/internal/work.(*Builder).build(0x1442029c0a0, 0x1442017c8c0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 cmd/go/internal/work.(*Builder).Do.func1(0x1442017c8c0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 13 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 14 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 15 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 16 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 82 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 83 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 84 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 85 [runnable]: os.(*File).Read(0x144200d4060, 0x144202ac000, 0x8000, 0x8000, 0x8000, 0x8000, 0x7ed900) /usr/lib/go-1.10/src/os/file.go:103 +0x24c io.copyBuffer(0x40b3596000, 0x144203f8000, 0x894040, 0x144200d4060, 0x144202ac000, 0x8000, 0x8000, 0x7ed900, 0x144200d4000, 0x40b3596000) /usr/lib/go-1.10/src/io/io.go:400 +0x100 io.Copy(0x40b3596000, 0x144203f8000, 0x894040, 0x144200d4060, 0x144203f8000, 0x0, 0x29) /usr/lib/go-1.10/src/io/io.go:362 +0x44 cmd/go/internal/cache.FileHash(0x144200cc8a0, 0x29, 0x0, 0x0, 0x0, 0x0, 0x144200cc8a0, 0x29) /usr/lib/go-1.10/src/cmd/go/internal/cache/hash.go:149 +0x228 cmd/go/internal/work.(*Builder).fileHash(0x1442029c0a0, 0x144200cc8a0, 0x29, 0x144200cc8a0, 0x29) /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:358 +0x28 cmd/go/internal/work.(*Builder).buildActionID(0x1442029c0a0, 0x14420153400, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:286 +0x650 cmd/go/internal/work.(*Builder).build(0x1442029c0a0, 0x14420153400, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 cmd/go/internal/work.(*Builder).Do.func1(0x14420153400) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 86 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 87 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 89 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 90 [syscall]: syscall.Syscall6(0x5f, 0x1, 0x1ffd, 0x1442058e9a0, 0x1000004, 0x0, 0x0, 0x14420236140, 0x1442006f400, 0x40009e2b20) /usr/lib/go-1.10/src/syscall/asm_linux_arm64.s:36 +0x8 os.(*Process).blockUntilWaitable(0x1442055a300, 0x0, 0x0, 0x410a64) /usr/lib/go-1.10/src/os/wait_waitid.go:31 +0x64 os.(*Process).wait(0x1442055a300, 0x144201f6110, 0x144205d6040, 0x144202a00d8) /usr/lib/go-1.10/src/os/exec_unix.go:22 +0x2c os.(*Process).Wait(0x1442055a300, 0x0, 0x0, 0x856708) /usr/lib/go-1.10/src/os/exec.go:123 +0x20 os/exec.(*Cmd).Wait(0x144202a0000, 0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c os/exec.(*Cmd).Run(0x144202a0000, 0x14420144070, 0x144205de580) /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 cmd/go/internal/work.(*Builder).toolID(0x1442029c0a0, 0x8285a2, 0x7, 0x2c, 0x1442058f320) /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 cmd/go/internal/work.(*Builder).buildActionID(0x1442029c0a0, 0x1442017c780, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec cmd/go/internal/work.(*Builder).build(0x1442029c0a0, 0x1442017c780, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 cmd/go/internal/work.(*Builder).Do.func1(0x1442017c780) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 91 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 92 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 93 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 94 [syscall]: syscall.Syscall6(0x5f, 0x1, 0x2036, 0x1442058c9a0, 0x1000004, 0x0, 0x0, 0x144203d8320, 0x1442038ec00, 0x40009ef430) /usr/lib/go-1.10/src/syscall/asm_linux_arm64.s:36 +0x8 os.(*Process).blockUntilWaitable(0x144200284b0, 0x0, 0x0, 0x410a64) /usr/lib/go-1.10/src/os/wait_waitid.go:31 +0x64 os.(*Process).wait(0x144200284b0, 0x1442026a2a0, 0x144205441a0, 0x1442058a4f8) /usr/lib/go-1.10/src/os/exec_unix.go:22 +0x2c os.(*Process).Wait(0x144200284b0, 0x0, 0x0, 0x856708) /usr/lib/go-1.10/src/os/exec.go:123 +0x20 os/exec.(*Cmd).Wait(0x1442058a420, 0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c os/exec.(*Cmd).Run(0x1442058a420, 0x144201322a0, 0x14420319080) /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 cmd/go/internal/work.(*Builder).toolID(0x1442029c0a0, 0x826cab, 0x3, 0x11, 0x1442058d290) /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 cmd/go/internal/work.(*Builder).buildActionID(0x1442029c0a0, 0x14420153a40, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:221 +0x116c cmd/go/internal/work.(*Builder).build(0x1442029c0a0, 0x14420153a40, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 cmd/go/internal/work.(*Builder).Do.func1(0x14420153a40) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 95 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 96 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 97 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 98 [syscall]: syscall.Syscall6(0x5f, 0x1, 0x2033, 0x1442059c9a0, 0x1000004, 0x0, 0x0, 0x14420274730, 0x144205b0000, 0x40009e2b20) /usr/lib/go-1.10/src/syscall/asm_linux_arm64.s:36 +0x8 os.(*Process).blockUntilWaitable(0x1442055a660, 0x0, 0x0, 0x410a64) /usr/lib/go-1.10/src/os/wait_waitid.go:31 +0x64 os.(*Process).wait(0x1442055a660, 0x144200c4380, 0x1442033e1a0, 0x144200eee98) /usr/lib/go-1.10/src/os/exec_unix.go:22 +0x2c os.(*Process).Wait(0x1442055a660, 0x0, 0x0, 0x856708) /usr/lib/go-1.10/src/os/exec.go:123 +0x20 os/exec.(*Cmd).Wait(0x144200eedc0, 0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c os/exec.(*Cmd).Run(0x144200eedc0, 0x144201123f0, 0x144205e0dc0) /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 cmd/go/internal/work.(*Builder).toolID(0x1442029c0a0, 0x826cab, 0x3, 0x11, 0x1442059d290) /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 cmd/go/internal/work.(*Builder).buildActionID(0x1442029c0a0, 0x14420153cc0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:221 +0x116c cmd/go/internal/work.(*Builder).build(0x1442029c0a0, 0x14420153cc0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 cmd/go/internal/work.(*Builder).Do.func1(0x14420153cc0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 99 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 133 [IO wait]: internal/poll.runtime_pollWait(0x4089492918, 0x72, 0x144201aa000) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x144203d82e8, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x144203d82e8, 0x144201aa001, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x144203d82d0, 0x144201aa000, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x144203da060, 0x144201aa000, 0x200, 0x200, 0x144201aa000, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x144203da060, 0x144201aa000, 0x200, 0x200, 0x14420268528, 0x1, 0x0) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x144201322a0, 0x894040, 0x144203da060, 0x40ab556000, 0x144201322a0, 0x404701) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x144201322a0, 0x894040, 0x144203da060, 0x0, 0x0, 0x0, 0x4e37c4, 0x14420268500, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x144201322a0, 0x894040, 0x144203da060, 0x0, 0x4e3830, 0x1442016a060) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x1442016a060, 0x1442046bfb0) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x1442058a420, 0x14420544240) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 73 [runnable]: internal/poll.runtime_pollWait(0x4089492d28, 0x72, 0x144202b4019) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x14420236068, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x14420236068, 0x144202b4001, 0x5e7, 0x5e7) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x14420236050, 0x144202b4019, 0x5e7, 0x5e7, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x1442008a010, 0x144202b4019, 0x5e7, 0x5e7, 0x144202b4000, 0x144201a6000, 0x19) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x1442008a010, 0x144202b4019, 0x5e7, 0x5e7, 0x19, 0x0, 0x0) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x14420144000, 0x894040, 0x1442008a010, 0x40ab556000, 0x14420144000, 0x1442047de01) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x14420144000, 0x894040, 0x1442008a010, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x14420144000, 0x894040, 0x1442008a010, 0x0, 0x144201b0180, 0x5e7fc4) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x5e7fe8, 0x1) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x144202a0000, 0x144205d60a0) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 74 [runnable]: internal/poll.runtime_pollWait(0x4089492b88, 0x72, 0x144204e4200) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x14420236108, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x14420236108, 0x144204e4201, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x144202360f0, 0x144204e4200, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x1442008a028, 0x144204e4200, 0x200, 0x200, 0x144204e4200, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x1442008a028, 0x144204e4200, 0x200, 0x200, 0x0, 0x0, 0x144201a51b8) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x14420144070, 0x894040, 0x1442008a028, 0x40ab556000, 0x14420144070, 0x1442047d601) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x14420144070, 0x894040, 0x1442008a028, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x14420144070, 0x894040, 0x1442008a028, 0x0, 0x144201b0180, 0x5e7fc4) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x5e7fe8, 0x1) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x144202a0000, 0x144205d60e0) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 132 [IO wait]: internal/poll.runtime_pollWait(0x4089492ec8, 0x72, 0x144204a4000) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x144203d8248, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x144203d8248, 0x144204a4001, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x144203d8230, 0x144204a4000, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x144203da048, 0x144204a4000, 0x200, 0x200, 0x144204a4000, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x144203da048, 0x144204a4000, 0x200, 0x200, 0x144200d62a8, 0x1, 0x0) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x144201321c0, 0x894040, 0x144203da048, 0x40ab556000, 0x144201321c0, 0x404701) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x144201321c0, 0x894040, 0x144203da048, 0x0, 0x0, 0x0, 0x4e37c4, 0x144200d6280, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x144201321c0, 0x894040, 0x144203da048, 0x0, 0x4e3830, 0x144200aa0c0) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x144200aa0c0, 0x14420537fb0) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x1442058a420, 0x14420544200) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 75 [IO wait]: internal/poll.runtime_pollWait(0x402b24ee30, 0x72, 0x1442033a000) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x14420274658, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x14420274658, 0x1442033a001, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x14420274640, 0x1442033a000, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x144203dc048, 0x1442033a000, 0x200, 0x200, 0x1442033a000, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x144203dc048, 0x1442033a000, 0x200, 0x200, 0x0, 0x0, 0x144201a5038) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x14420112310, 0x894040, 0x144203dc048, 0x40ab556000, 0x14420112310, 0x1442047ce01) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x14420112310, 0x894040, 0x144203dc048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x14420112310, 0x894040, 0x144203dc048, 0x0, 0x144201b0180, 0x5e7fc4) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x5e7fe8, 0x1) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x144200eedc0, 0x1442033e200) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 76 [IO wait]: internal/poll.runtime_pollWait(0x402b24ec90, 0x72, 0x1442033c000) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x144202746f8, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x144202746f8, 0x1442033c001, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x144202746e0, 0x1442033c000, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x144203dc060, 0x1442033c000, 0x200, 0x200, 0x1442033c000, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x144203dc060, 0x1442033c000, 0x200, 0x200, 0x0, 0x0, 0x144201a4eb8) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x144201123f0, 0x894040, 0x144203dc060, 0x40ab556000, 0x144201123f0, 0x1442047c601) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x144201123f0, 0x894040, 0x144203dc060, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x144201123f0, 0x894040, 0x144203dc060, 0x0, 0x144201b0180, 0x5e7fc4) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x5e7fe8, 0x1) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x144200eedc0, 0x1442033e240) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 162 [runnable]: os/exec.(*Cmd).Start.func1(0x144203d62c0, 0x14420584240) /usr/lib/go-1.10/src/os/exec/exec.go:395 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 163 [runnable]: os/exec.(*Cmd).Start.func1(0x144203d62c0, 0x14420584280) /usr/lib/go-1.10/src/os/exec/exec.go:395 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 --8<--------------------------------------------------------------------- It worked once for me: --8<--------------------------------------------------------------------- ubuntu@qemu:~$ /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build --8<--------------------------------------------------------------------- but then again: --8<--------------------------------------------------------------------- ubuntu@qemu:~$ /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build �Afatal error: malloc deadlock panic during panic [signal SIGSEGV: segmentation violation code=0x1 addr=0x90 pc=0x90] runtime stack: runtime.startpanic_m() /usr/lib/go-1.10/src/runtime/panic.go:690 +0x178 SIGILL: illegal instructionruntime.systemstack( 0x4000000000PC=0x44f790) /usr/lib/go-1.10/src/runtime/asm_arm64.s:229 + m=0x8c 19runtime.mstart sigcode=() 2 /usr/lib/go-1.10/src/runtime/proc.go :1175 goroutine goroutine 80 [ [idlerunning]: ]: runtime.systemstack_switch() /usr/lib/go-1.10/src/runtime/asm_arm64.s:178 +0x8 fp=0x144205dcc30runtime.morestack sp=() 0x144205dcc20/usr/lib/go-1.10/src/runtime/asm_arm64.s:301 pc= +0x68 0x44f650 runtime.startpanic() /usr/lib/go-1.10/src/runtime/panic.go:589 + 0x14goroutine fp=80x144205dcc40 [ sp=running0x144205dcc30]: pc=0x428efc runtime.systemstack_switch() runtime.throw (/usr/lib/go-1.10/src/runtime/asm_arm64.s0x82ca61:178 +0x8, fp=0x144205dcc30 sp=0x144205dcc20 pc=0x44f6500xf ) runtime.startpanic (/usr/lib/go-1.10/src/runtime/panic.go) : 615/usr/lib/go-1.10/src/runtime/panic.go +:0x54589 fp= +0x144205dcc600x14 sp= fp=0x144205dcc400x144205dcc40 pc= sp=0x428fec0x144205dcc30 pc=0x428efc runtime.throw(0x82ca61, 0xf) /usr/lib/go-1.10/src/runtime/panic.go:615 +0x54 fp=0x144205dcc60 sp=0x144205dcc40 pc=0x428fec runtime.mallocgcruntime.mallocgc((0x100x10, , 0x78e2800x78e280, , 0x144202ca0010x144202ca001, , 0x00x0) ) /usr/lib/go-1.10/src/runtime/malloc.go/usr/lib/go-1.10/src/runtime/malloc.go::621621 + +0x8180x818 fp= fp=0x144205dcd100x144205dcd10 sp= sp=0x144205dcc600x144205dcc60 pc= pc=0x410e200x410e20 runtime.convT2Estringruntime.convT2Estring(0x78e280(, 0x78e2800x144205dcf60, , 0x144205dcf600x7, , 0x70x144203aa270, ) 0x144203aa270/usr/lib/go-1.10/src/runtime/iface.go) : 365/usr/lib/go-1.10/src/runtime/iface.go +:0x58365 fp= +0x144205dcd40 sp=0x580x144205dcd10 fp= pc=0x144205dcd400x40ead0 sp=0x144205dcd10 pc=0x40ead0 cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x14420174140, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xc2c fp=0x144205dd450 sp=0x144205dcd40cmd/go/internal/work.(*Builder).buildActionID pc=0x5c08c4( 0x144202a60a0cmd/go/internal/work.(*Builder).build, (0x144201741400x144202a60a0, , 0x00x14420174140, , 0x00x0, , 0x00x0, ) 0x0 ) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go :/usr/lib/go-1.10/src/cmd/go/internal/work/exec.go304: +2190x64 + fp=0xc2c0x144205dde70 fp= sp=0x144205dd4500x144205dd450 sp= pc=0x144205dcd400x5c153c pc= 0x5c08c4 cmd/go/internal/work.(*Builder).Do.func1(0x14420174140cmd/go/internal/work.(*Builder).build) ( 0x144202a60a0/usr/lib/go-1.10/src/cmd/go/internal/work/exec.go, :0x14420174140106, +0x00x50, fp=0x00x144205ddef0) sp= 0x144205dde70/usr/lib/go-1.10/src/cmd/go/internal/work/exec.go pc=:0x5e7cd8304 +0x64cmd/go/internal/work.(*Builder).Do.func2 fp=(0x144205dde700x144200ca7b0 sp=, 0x144205dd4500x144202a60a0 pc=, 0x5c153c0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:cmd/go/internal/work.(*Builder).Do.func1164( +0x144201741400x8c) fp= 0x144205ddfc0/usr/lib/go-1.10/src/cmd/go/internal/work/exec.go sp=:0x144205ddef0106 pc= +0x5e7f740x50 fp=0x144205ddef0runtime.goexit sp=(0x144205dde70) pc= 0x5e7cd8/usr/lib/go-1.10/src/runtime/asm_arm64.s :1037cmd/go/internal/work.(*Builder).Do.func2 +(0x40x144200ca7b0 fp=, 0x144205ddfc00x144202a60a0 sp=, 0x144205ddfc00x1442019a9a0 pc=) 0x451cec /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c fp=0x144205ddfc0 sp=0x144205ddef0 pc=0x5e7f74 runtime.goexit() /usr/lib/go-1.10/src/runtime/asm_arm64.s:created by 1037 +0x4cmd/go/internal/work.(*Builder).Do fp=0x144205ddfc0 sp=0x144205ddfc0 pc=0x451cec created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go/usr/lib/go-1.10/src/cmd/go/internal/work/exec.go::151151 + +0x34c0x34c goroutine 1 [semacquire]: sync.runtime_Semacquire(0x144200ca7bc) /usr/lib/go-1.10/src/runtime/sema.go:56 +0x2c sync.(*WaitGroup).Wait(0x144200ca7b0) /usr/lib/go-1.10/src/sync/waitgroup.go:129 +0x68 cmd/go/internal/work.(*Builder).Do(0x144202a60a0, 0x1442014b040) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:173 +0x36c cmd/go/internal/work.runBuild(0xa5d0a0, 0x144200d4010, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/build.go:325 +0x4bc main.main() /usr/lib/go-1.10/src/cmd/go/main.go:140 +0x6f4 goroutine 19 [syscall]: os/signal.signal_recv(0x0) /usr/lib/go-1.10/src/runtime/sigqueue.go:139 +0xc8 os/signal.loop() /usr/lib/go-1.10/src/os/signal/signal_unix.go:22 +0x18 created by os/signal.init.0 /usr/lib/go-1.10/src/os/signal/signal_unix.go:28 +0x30 goroutine 9 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 10 [chan receive]: os/exec.(*Cmd).Wait(0x1442011e000, 0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:469 +0xe4 os/exec.(*Cmd).Run(0x1442011e000, 0x14420142070, 0x1442015c000) /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 cmd/go/internal/work.(*Builder).toolID(0x144202a60a0, 0x8285a2, 0x7, 0x2c, 0x144204ed320) /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x14420174000, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec cmd/go/internal/work.(*Builder).build(0x144202a60a0, 0x14420174000, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 cmd/go/internal/work.(*Builder).Do.func1(0x14420174000) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 11 [chan receive]: os/exec.(*Cmd).Wait(0x144202aa000, 0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:469 +0xe4 os/exec.(*Cmd).Run(0x144202aa000, 0x144200f0070, 0x14420204000) /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 cmd/go/internal/work.(*Builder).toolID(0x144202a60a0, 0x8285a2, 0x7, 0x2c, 0x144205df320) /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x1442014b7c0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec cmd/go/internal/work.(*Builder).build(0x144202a60a0, 0x1442014b7c0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 cmd/go/internal/work.(*Builder).Do.func1(0x1442014b7c0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 12 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 13 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 14 [runnable]: syscall.Wait4(0x20dd, 0x144204eea80, 0x0, 0x144203a2000, 0x2, 0x2, 0x2) /usr/lib/go-1.10/src/syscall/syscall_linux.go:252 +0x74 os.(*Process).wait(0x144200283f0, 0x144202d4060, 0x1442037c020, 0x144202c80d8) /usr/lib/go-1.10/src/os/exec_unix.go:38 +0x7c os.(*Process).Wait(0x144200283f0, 0x0, 0x0, 0x856708) /usr/lib/go-1.10/src/os/exec.go:123 +0x20 os/exec.(*Cmd).Wait(0x144202c8000, 0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c os/exec.(*Cmd).Run(0x144202c8000, 0x1442012a070, 0x14420136000) /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 cmd/go/internal/work.(*Builder).toolID(0x144202a60a0, 0x8285a2, 0x7, 0x2c, 0x144204ef320) /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x14420174b40, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec cmd/go/internal/work.(*Builder).build(0x144202a60a0, 0x14420174b40, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 cmd/go/internal/work.(*Builder).Do.func1(0x14420174b40) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 15 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 16 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 82 [runnable]: syscall.Wait4(0x20e5, 0x144204f2a80, 0x0, 0x1442022e000, 0x2, 0x2, 0x2) /usr/lib/go-1.10/src/syscall/syscall_linux.go:252 +0x74 os.(*Process).wait(0x14420376390, 0x144205f4060, 0x1442019a020, 0x144203440d8) /usr/lib/go-1.10/src/os/exec_unix.go:38 +0x7c os.(*Process).Wait(0x14420376390, 0x0, 0x0, 0x856708) /usr/lib/go-1.10/src/os/exec.go:123 +0x20 os/exec.(*Cmd).Wait(0x14420344000, 0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c os/exec.(*Cmd).Run(0x14420344000, 0x1442010c150, 0x144204cc000) /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 cmd/go/internal/work.(*Builder).toolID(0x144202a60a0, 0x8285a2, 0x7, 0x2c, 0x144204f3320) /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x1442014be00, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec cmd/go/internal/work.(*Builder).build(0x144202a60a0, 0x1442014be00, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 cmd/go/internal/work.(*Builder).Do.func1(0x1442014be00) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 83 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 84 [syscall]: syscall.Syscall6(0x5f, 0x1, 0x20d8, 0x144204e69a0, 0x1000004, 0x0, 0x0, 0x144202ac140, 0x1442009c800, 0x40009e16c8) /usr/lib/go-1.10/src/syscall/asm_linux_arm64.s:36 +0x8 os.(*Process).blockUntilWaitable(0x144200c67e0, 0x0, 0x0, 0x410a64) /usr/lib/go-1.10/src/os/wait_waitid.go:31 +0x64 os.(*Process).wait(0x144200c67e0, 0x144201ee0d0, 0x14420524020, 0x144202dc0d8) /usr/lib/go-1.10/src/os/exec_unix.go:22 +0x2c os.(*Process).Wait(0x144200c67e0, 0x0, 0x0, 0x856708) /usr/lib/go-1.10/src/os/exec.go:123 +0x20 os/exec.(*Cmd).Wait(0x144202dc000, 0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c os/exec.(*Cmd).Run(0x144202dc000, 0x14420150070, 0x14420324580) /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 cmd/go/internal/work.(*Builder).toolID(0x144202a60a0, 0x8285a2, 0x7, 0x2c, 0x144204e7320) /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x14420174c80, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec cmd/go/internal/work.(*Builder).build(0x144202a60a0, 0x14420174c80, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 cmd/go/internal/work.(*Builder).Do.func1(0x14420174c80) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 85 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 86 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 87 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 88 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 89 [runnable]: syscall.Wait4(0x20e9, 0x144204f0a80, 0x0, 0x1442022c000, 0x2, 0x2, 0x2) /usr/lib/go-1.10/src/syscall/syscall_linux.go:252 +0x74 os.(*Process).wait(0x144205f01e0, 0x1442025c1c0, 0x144204e4020, 0x144200c00d8) /usr/lib/go-1.10/src/os/exec_unix.go:38 +0x7c os.(*Process).Wait(0x144205f01e0, 0x0, 0x0, 0x856708) /usr/lib/go-1.10/src/os/exec.go:123 +0x20 os/exec.(*Cmd).Wait(0x144200c0000, 0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c os/exec.(*Cmd).Run(0x144200c0000, 0x1442013c070, 0x144200e8000) /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 cmd/go/internal/work.(*Builder).toolID(0x144202a60a0, 0x8285a2, 0x7, 0x2c, 0x144204f1320) /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x1442014bcc0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec cmd/go/internal/work.(*Builder).build(0x144202a60a0, 0x1442014bcc0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 cmd/go/internal/work.(*Builder).Do.func1(0x1442014bcc0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 90 [chan receive]: os/exec.(*Cmd).Wait(0x144203e6000, 0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:469 +0xe4 os/exec.(*Cmd).Run(0x144203e6000, 0x144201300e0, 0x144200ea000) /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 cmd/go/internal/work.(*Builder).toolID(0x144202a60a0, 0x8285a2, 0x7, 0x2c, 0x144204eb320) /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x1442014b400, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec cmd/go/internal/work.(*Builder).build(0x144202a60a0, 0x1442014b400, 0x0, 0x0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 cmd/go/internal/work.(*Builder).Do.func1(0x1442014b400) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 91 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 92 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 93 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 94 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 95 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 96 [select]: cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c created by cmd/go/internal/work.(*Builder).Do /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c goroutine 54 [IO wait]: internal/poll.runtime_pollWait(0x402b252ea8, 0x72, 0x144203c4000) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x144200d01a8, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x144200d01a8, 0x144203c4001, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x144200d0190, 0x144203c4000, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x144200ce028, 0x144203c4000, 0x200, 0x200, 0x144203c4000, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x144200ce028, 0x144203c4000, 0x200, 0x200, 0x0, 0x0, 0x1442046a5b8) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x1442010c000, 0x894040, 0x144200ce028, 0x40aad15000, 0x1442010c000, 0x14420069e01) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x1442010c000, 0x894040, 0x144200ce028, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x1442010c000, 0x894040, 0x144200ce028, 0x0, 0x1442019c200, 0x5e7fc4) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x5e7fe8, 0x1) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x14420344000, 0x1442019a080) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 55 [IO wait]: internal/poll.runtime_pollWait(0x403c3f0c70, 0x72, 0x144204d0600) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x144200d0248, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x144200d0248, 0x144204d0601, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x144200d0230, 0x144204d0600, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x144200ce040, 0x144204d0600, 0x200, 0x200, 0x144204d0600, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x144200ce040, 0x144204d0600, 0x200, 0x200, 0x0, 0x0, 0x144203b51b8) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x1442010c150, 0x894040, 0x144200ce040, 0x40aad15000, 0x1442010c150, 0x1442006de01) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x1442010c150, 0x894040, 0x144200ce040, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x1442010c150, 0x894040, 0x144200ce040, 0x0, 0x1442019c200, 0x5e7fc4) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x5e7fe8, 0x1) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x14420344000, 0x1442019a0c0) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 98 [IO wait]: internal/poll.runtime_pollWait(0x402b2528f8, 0x72, 0x14420340619) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x1442016e068, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x1442016e068, 0x14420340601, 0x5e7, 0x5e7) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x1442016e050, 0x14420340619, 0x5e7, 0x5e7, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x14420172010, 0x14420340619, 0x5e7, 0x5e7, 0x14420340600, 0x14420348000, 0x19) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x14420172010, 0x14420340619, 0x5e7, 0x5e7, 0x19, 0x0, 0x0) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x14420142000, 0x894040, 0x14420172010, 0x40aad15000, 0x14420142000, 0x144201be601) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x14420142000, 0x894040, 0x14420172010, 0x0, 0x0, 0x0, 0x144201beb80, 0x144201beba0, 0x144201bebc0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x14420142000, 0x894040, 0x14420172010, 0x144201beca0, 0x144201becc0, 0x144201bece0) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x144201bee40, 0x144201bee60) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x1442011e000, 0x144203ae0a0) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 97 [IO wait]: internal/poll.runtime_pollWait(0x402b252d08, 0x72, 0x144201a8000) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x1442025e568, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x1442025e568, 0x144201a8001, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x1442025e550, 0x144201a8000, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x1442000e0a0, 0x144201a8000, 0x200, 0x200, 0x144201a8000, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x1442000e0a0, 0x144201a8000, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x144200f0000, 0x894040, 0x1442000e0a0, 0x40aad15000, 0x144200f0000, 0x1) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x144200f0000, 0x894040, 0x1442000e0a0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x144200f0000, 0x894040, 0x1442000e0a0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x144202aa000, 0x1442000c0e0) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 99 [IO wait]: internal/poll.runtime_pollWait(0x403c3f0ee0, 0x72, 0x144202cc000) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x1442016e108, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x1442016e108, 0x144202cc001, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x1442016e0f0, 0x144202cc000, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x14420172028, 0x144202cc000, 0x200, 0x200, 0x144202cc000, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x14420172028, 0x144202cc000, 0x200, 0x200, 0x144201cc1e0, 0x144201cc200, 0x144201cc220) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x14420142070, 0x894040, 0x14420172028, 0x40aad15000, 0x14420142070, 0x144201cc301) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x14420142070, 0x894040, 0x14420172028, 0x0, 0x0, 0x0, 0x144201c1f60, 0x144201c1f80, 0x144201c2020) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x14420142070, 0x894040, 0x14420172028, 0x144201c2100, 0x144201c2120, 0x144201c2140) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x144201c2200, 0x144201c2220) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x1442011e000, 0x144203ae0e0) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 114 [IO wait]: internal/poll.runtime_pollWait(0x402b2525b8, 0x72, 0x144201a6000) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x1442025e608, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x1442025e608, 0x144201a6001, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x1442025e5f0, 0x144201a6000, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x1442000e0b8, 0x144201a6000, 0x200, 0x200, 0x144201a6000, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x1442000e0b8, 0x144201a6000, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x144200f0070, 0x894040, 0x1442000e0b8, 0x40aad15000, 0x144200f0070, 0x1) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x144200f0070, 0x894040, 0x1442000e0b8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x144200f0070, 0x894040, 0x1442000e0b8, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x144202aa000, 0x1442000c120) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 41 [IO wait]: internal/poll.runtime_pollWait(0x402b252f78, 0x72, 0x144204d0000) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x144204d20b8, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x144204d20b8, 0x144204d0001, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x144204d20a0, 0x144204d0000, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x1442027c020, 0x144204d0000, 0x200, 0x200, 0x144204d0000, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x1442027c020, 0x144204d0000, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x14420130000, 0x894040, 0x1442027c020, 0x40aad15000, 0x14420130000, 0x1) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x14420130000, 0x894040, 0x1442027c020, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x14420130000, 0x894040, 0x1442027c020, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x144203e6000, 0x14420550080) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 42 [IO wait]: internal/poll.runtime_pollWait(0x402b252278, 0x72, 0x144204d0800) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x144204d2158, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x144204d2158, 0x144204d0801, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x144204d2140, 0x144204d0800, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x1442027c090, 0x144204d0800, 0x200, 0x200, 0x144204d0800, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x1442027c090, 0x144204d0800, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x144201300e0, 0x894040, 0x1442027c090, 0x40aad15000, 0x144201300e0, 0x1) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x144201300e0, 0x894040, 0x1442027c090, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x144201300e0, 0x894040, 0x1442027c090, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x144203e6000, 0x144205500c0) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 130 [IO wait]: internal/poll.runtime_pollWait(0x402b253118, 0x72, 0x144203d2000) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x14420282518, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x14420282518, 0x144203d2001, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x14420282500, 0x144203d2000, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x14420286030, 0x144203d2000, 0x200, 0x200, 0x144203d2000, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x14420286030, 0x144203d2000, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x1442012a000, 0x894040, 0x14420286030, 0x40aad15000, 0x1442012a000, 0x1) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x1442012a000, 0x894040, 0x14420286030, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x1442012a000, 0x894040, 0x14420286030, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x144202c8000, 0x1442037c080) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 131 [IO wait]: internal/poll.runtime_pollWait(0x403c3f0fb0, 0x72, 0x144204d0c00) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x144202825b8, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x144202825b8, 0x144204d0c01, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x144202825a0, 0x144204d0c00, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x14420286068, 0x144204d0c00, 0x200, 0x200, 0x144204d0c00, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x14420286068, 0x144204d0c00, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x1442012a070, 0x894040, 0x14420286068, 0x40aad15000, 0x1442012a070, 0x1) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x1442012a070, 0x894040, 0x14420286068, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x1442012a070, 0x894040, 0x14420286068, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x144202c8000, 0x1442037c0c0) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 71 [IO wait]: internal/poll.runtime_pollWait(0x402b252a98, 0x72, 0x144204d0200) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x14420276388, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x14420276388, 0x144204d0201, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x14420276370, 0x144204d0200, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x144200f6010, 0x144204d0200, 0x200, 0x200, 0x144204d0200, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x144200f6010, 0x144204d0200, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x1442013c000, 0x894040, 0x144200f6010, 0x40aad15000, 0x1442013c000, 0x1) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x1442013c000, 0x894040, 0x144200f6010, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x1442013c000, 0x894040, 0x144200f6010, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x144200c0000, 0x144204e4080) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 goroutine 72 [IO wait]: internal/poll.runtime_pollWait(0x402b252418, 0x72, 0x144204d0a00) /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c internal/poll.(*pollDesc).wait(0x14420276428, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 internal/poll.(*pollDesc).waitRead(0x14420276428, 0x144204d0a01, 0x200, 0x200) /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 internal/poll.(*FD).Read(0x14420276410, 0x144204d0a00, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 os.(*File).read(0x144200f6028, 0x144204d0a00, 0x200, 0x200, 0x144204d0a00, 0x0, 0x0) /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 os.(*File).Read(0x144200f6028, 0x144204d0a00, 0x200, 0x200, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/os/file.go:107 +0x48 bytes.(*Buffer).ReadFrom(0x1442013c070, 0x894040, 0x144200f6028, 0x40aad15000, 0x1442013c070, 0x1) /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 io.copyBuffer(0x8937a0, 0x1442013c070, 0x894040, 0x144200f6028, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:386 +0x294 io.Copy(0x8937a0, 0x1442013c070, 0x894040, 0x144200f6028, 0x0, 0x0, 0x0) /usr/lib/go-1.10/src/io/io.go:362 +0x44 os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 os/exec.(*Cmd).Start.func1(0x144200c0000, 0x144204e40c0) /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 created by os/exec.(*Cmd).Start /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 --8<--------------------------------------------------------------------- Here's what it is: --8<--------------------------------------------------------------------- ubuntu@qemu:~$ /usr/bin/qemu-aarch64-static --version qemu-aarch64 version 4.0.91 Copyright (c) 2003-2019 Fabrice Bellard and the QEMU Project developers ubuntu@qemu:~$ /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go version go version go1.10.4 linux/arm64 ubuntu@qemu:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.2 LTS Release: 18.04 Codename: bionic ubuntu@qemu:~$ uname -a Linux qemu 4.15.0-51-generic #55-Ubuntu SMP Wed May 15 14:27:21 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux ubuntu@qemu:~$ lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 24 On-line CPU(s) list: 0-23 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 24 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 94 Model name: Intel Core Processor (Skylake, IBRS) Stepping: 3 CPU MHz: 2194.916 BogoMIPS: 4389.83 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 4096K L3 cache: 16384K NUMA node0 CPU(s): 0-23 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology cpuid tsc_known_freq pni pclmulqdq vmx ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch cpuid_fault invpcid_single pti ssbd ibrs ibpb tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm rdseed adx smap xsaveopt arat --8<--------------------------------------------------------------------- -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1696773 Title: golang calls to exec crash user emulation Status in QEMU: New Bug description: An example program can be found here: https://github.com/willnewton/qemucrash This code starts a goroutine (thread) and calls exec repeatedly. This works ok natively but when run under ARM user emulation it segfaults (usually, there are occasionally other failures). To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1696773/+subscriptions