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[Qemu-devel] [Bug 1838946] Re: qemu 3.10 golang crash

From: Thomas Huth
Subject: [Qemu-devel] [Bug 1838946] Re: qemu 3.10 golang crash
Date: Fri, 16 Aug 2019 05:14:09 -0000 
** Changed in: qemu
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1838946

Title:
  qemu 3.10 golang crash

Status in QEMU:
  Fix Released

Bug description:
  Encountered below crashes in qemu 3.10 arm 
  Also have raised the same in golang groups. But seems like in ARM32 hardware, 
the below commands works fine, only in qemu if crashes. 
  
https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!topic/golang-nuts/1txPOGa4aGc

  Need some pointers to narrow down

  Please see log below.

  $ qemu-arm-static --version
  qemu-arm version 3.1.0 (qemu-3.1.0-6.fc30)
  Copyright (c) 2003-2018 Fabrice Bellard and the QEMU Project developers


  
  arheneus@bbdee4f6f57d:/sonic/src/telemetry/test$ /usr/local/go/bin/go get -v 
github.com/Azure/sonic-telemetry/dialout/dialout_client_cli
  github.com/openconfig/ygot (download)
  github.com/kylelemons/godebug (download)
  github.com/openconfig/goyang (download)
  SIGSEGV: segmentation violation
  PC=0x4512c m=12 sigcode=1

  goroutine 15 [syscall]:
  syscall.Syscall6(0x118, 0x1, 0x11c3, 0xf513b0, 0x1000004, 0x0, 0x0, 0x1c63c, 
0x15e54, 0xe280a0)
          /usr/local/go/src/syscall/asm_linux_arm.s:45 +0x8 fp=0xf51380 
sp=0xf5137c pc=0x88298
  os.(*Process).blockUntilWaitable(0xf80300, 0xf80300, 0x0, 0x0)
          /usr/local/go/src/os/wait_waitid.go:31 +0x64 fp=0xf51438 sp=0xf51380 
pc=0xa94a0
  os.(*Process).wait(0xf80300, 0x13, 0xe6e1d0, 0xeba010)
          /usr/local/go/src/os/exec_unix.go:22 +0x2c fp=0xf51470 sp=0xf51438 
pc=0xa2d58
  os.(*Process).Wait(0xf80300, 0x4d5f58, 0x4d5f5c, 0x4d5f54)
          /usr/local/go/src/os/exec.go:125 +0x1c fp=0xf51484 sp=0xf51470 
pc=0xa2494
  os/exec.(*Cmd).Wait(0xe14000, 0x0, 0x0)
          /usr/local/go/src/os/exec/exec.go:465 +0x40 fp=0xf514bc sp=0xf51484 
pc=0xf8620
  os/exec.(*Cmd).Run(0xe14000, 0xd5c720, 0xf30000)
          /usr/local/go/src/os/exec/exec.go:309 +0x44 fp=0xf514cc sp=0xf514bc 
pc=0xf7e1c
  cmd/go/internal/work.(*Builder).toolID(0xd5cf60, 0x497ee2, 0x7, 0x2c, 
0x116f8e0)
          /usr/local/go/src/cmd/go/internal/work/buildid.go:193 +0x2e0 
fp=0xf515bc sp=0xf514cc pc=0x3549bc
  cmd/go/internal/work.(*Builder).buildActionID(0xd5cf60, 0x1177d90, 0x0, 0x0, 
0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:223 +0xb8c fp=0xf51978 
sp=0xf515bc pc=0x3594fc
  cmd/go/internal/work.(*Builder).build(0xd5cf60, 0x1177d90, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:373 +0x3d3c 
fp=0xf51f44 sp=0xf51978 pc=0x35e374
  cmd/go/internal/work.(*Builder).Do.func1(0x1177d90)
          /usr/local/go/src/cmd/go/internal/work/exec.go:107 +0x58 fp=0xf51f84 
sp=0xf51f44 pc=0x38287c
  cmd/go/internal/work.(*Builder).Do.func2(0xdf0070, 0xd5cf60, 0x10427a0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:165 +0x84 fp=0xf51fdc 
sp=0xf51f84 pc=0x382b24
  runtime.goexit()
          /usr/local/go/src/runtime/asm_arm.s:867 +0x4 fp=0xf51fdc sp=0xf51fdc 
pc=0x67f44
  created by cmd/go/internal/work.(*Builder).Do
          /usr/local/go/src/cmd/go/internal/work/exec.go:152 +0x2e4

  goroutine 1 [semacquire]:
  sync.runtime_Semacquire(0xdf0078)
          /usr/local/go/src/runtime/sema.go:56 +0x2c
  sync.(*WaitGroup).Wait(0xdf0070)
          /usr/local/go/src/sync/waitgroup.go:130 +0x84
  cmd/go/internal/work.(*Builder).Do(0xd5cf60, 0x1177290)
          /usr/local/go/src/cmd/go/internal/work/exec.go:174 +0x304
  cmd/go/internal/work.InstallPackages(0xc82078, 0x1, 0x1, 0xc0e938, 0x1, 0x2)
          /usr/local/go/src/cmd/go/internal/work/build.go:506 +0xa88
  cmd/go/internal/get.runGet(0x810d78, 0xc82078, 0x1, 0x1)
          /usr/local/go/src/cmd/go/internal/get/get.go:196 +0x1b0
  main.main()
          /usr/local/go/src/cmd/go/main.go:219 +0x93c

  goroutine 19 [syscall]:
  os/signal.signal_recv(0x0)
          /usr/local/go/src/runtime/sigqueue.go:139 +0x130
  os/signal.loop()
          /usr/local/go/src/os/signal/signal_unix.go:23 +0x14
  created by os/signal.init.0
          /usr/local/go/src/os/signal/signal_unix.go:29 +0x30

  goroutine 13 [syscall]:
  syscall.Syscall6(0x118, 0x1, 0x11ec, 0x10153b0, 0x1000004, 0x0, 0x0, 0x1c63c, 
0x15e54, 0xe001e0)
          /usr/local/go/src/syscall/asm_linux_arm.s:45 +0x8
  os.(*Process).blockUntilWaitable(0xe62840, 0xe62840, 0x0, 0x0)
          /usr/local/go/src/os/wait_waitid.go:31 +0x64
  os.(*Process).wait(0xe62840, 0x1, 0xc0e360, 0xe00160)
          /usr/local/go/src/os/exec_unix.go:22 +0x2c
  os.(*Process).Wait(0xe62840, 0x4d5f58, 0x4d5f5c, 0x4d5f54)
          /usr/local/go/src/os/exec.go:125 +0x1c
  os/exec.(*Cmd).Wait(0xf8e0b0, 0x0, 0x0)
          /usr/local/go/src/os/exec/exec.go:465 +0x40
  os/exec.(*Cmd).Run(0xf8e0b0, 0xca8060, 0xe6cd00)
          /usr/local/go/src/os/exec/exec.go:309 +0x44
  cmd/go/internal/work.(*Builder).toolID(0xd5cf60, 0x49631b, 0x3, 0x11, 
0x1015890)
          /usr/local/go/src/cmd/go/internal/work/buildid.go:193 +0x2e0
  cmd/go/internal/work.(*Builder).buildActionID(0xd5cf60, 0xfb6210, 0x0, 0x0, 
0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:225 +0x11d4
  cmd/go/internal/work.(*Builder).build(0xd5cf60, 0xfb6210, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:373 +0x3d3c
  cmd/go/internal/work.(*Builder).Do.func1(0xfb6210)
          /usr/local/go/src/cmd/go/internal/work/exec.go:107 +0x58
  cmd/go/internal/work.(*Builder).Do.func2(0xdf0070, 0xd5cf60, 0x10427a0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:165 +0x84
  created by cmd/go/internal/work.(*Builder).Do
          /usr/local/go/src/cmd/go/internal/work/exec.go:152 +0x2e4

  goroutine 14 [syscall]:
  syscall.Syscall6(0x118, 0x1, 0x11ed, 0xe393b0, 0x1000004, 0x0, 0x0, 0x1c63c, 
0x15e54, 0xd280f0)
          /usr/local/go/src/syscall/asm_linux_arm.s:45 +0x8
  os.(*Process).blockUntilWaitable(0x115c4e0, 0x115c4e0, 0x0, 0x0)
          /usr/local/go/src/os/wait_waitid.go:31 +0x64
  os.(*Process).wait(0x115c4e0, 0x1, 0xe78160, 0xd28070)
          /usr/local/go/src/os/exec_unix.go:22 +0x2c
  os.(*Process).Wait(0x115c4e0, 0x4d5f58, 0x4d5f5c, 0x4d5f54)
          /usr/local/go/src/os/exec.go:125 +0x1c
  os/exec.(*Cmd).Wait(0x10b8000, 0x0, 0x0)
          /usr/local/go/src/os/exec/exec.go:465 +0x40
  os/exec.(*Cmd).Run(0x10b8000, 0xf3e060, 0xf0c000)
          /usr/local/go/src/os/exec/exec.go:309 +0x44
  cmd/go/internal/work.(*Builder).toolID(0xd5cf60, 0x49631b, 0x3, 0x11, 
0xe39890)
          /usr/local/go/src/cmd/go/internal/work/buildid.go:193 +0x2e0
  cmd/go/internal/work.(*Builder).buildActionID(0xd5cf60, 0x1177b80, 0x0, 0x0, 
0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:225 +0x11d4
  cmd/go/internal/work.(*Builder).build(0xd5cf60, 0x1177b80, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:373 +0x3d3c
  cmd/go/internal/work.(*Builder).Do.func1(0x1177b80)
          /usr/local/go/src/cmd/go/internal/work/exec.go:107 +0x58
  cmd/go/internal/work.(*Builder).Do.func2(0xdf0070, 0xd5cf60, 0x10427a0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:165 +0x84
  created by cmd/go/internal/work.(*Builder).Do
          /usr/local/go/src/cmd/go/internal/work/exec.go:152 +0x2e4

  goroutine 16 [runnable]:
  os/exec.(*Cmd).writerDescriptor(0x10b80b0, 0x54bd38, 0xf3e120, 0xf3e0c0, 0x0, 
0x0)
          /usr/local/go/src/os/exec/exec.go:257 +0x484
  os/exec.(*Cmd).stderr(0x10b80b0, 0x1112090, 0x0, 0x0)
          /usr/local/go/src/os/exec/exec.go:254 +0xac
  os/exec.(*Cmd).Start(0x10b80b0, 0x496701, 0xf3e120)
          /usr/local/go/src/os/exec/exec.go:372 +0xa8
  os/exec.(*Cmd).Run(0x10b80b0, 0xf3e120, 0xf0c300)
          /usr/local/go/src/os/exec/exec.go:306 +0x1c
  cmd/go/internal/work.(*Builder).toolID(0xd5cf60, 0x49631b, 0x3, 0x11, 
0xf49890)
          /usr/local/go/src/cmd/go/internal/work/buildid.go:193 +0x2e0
  cmd/go/internal/work.(*Builder).buildActionID(0xd5cf60, 0x1177ce0, 0x0, 0x0, 
0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:225 +0x11d4
  cmd/go/internal/work.(*Builder).build(0xd5cf60, 0x1177ce0, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:373 +0x3d3c
  cmd/go/internal/work.(*Builder).Do.func1(0x1177ce0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:107 +0x58
  cmd/go/internal/work.(*Builder).Do.func2(0xdf0070, 0xd5cf60, 0x10427a0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:165 +0x84
  created by cmd/go/internal/work.(*Builder).Do
          /usr/local/go/src/cmd/go/internal/work/exec.go:152 +0x2e4

  goroutine 82 [runnable]:
  syscall.Syscall(0x3, 0xb, 0x11c2000, 0x8000, 0x0, 0x0, 0x0)
          /usr/local/go/src/syscall/asm_linux_arm.s:14 +0x8
  syscall.read(0xb, 0x11c2000, 0x8000, 0x8000, 0x10ea501, 0x0, 0x0)
          /usr/local/go/src/syscall/zsyscall_linux_arm.go:732 +0x40
  syscall.Read(0xb, 0x11c2000, 0x8000, 0x8000, 0xdedf9577, 0xe9841d9d, 
0xdbb1d24e)
          /usr/local/go/src/syscall/syscall_unix.go:172 +0x34
  internal/poll.(*FD).Read(0xd9c140, 0x11c2000, 0x8000, 0x8000, 0x0, 0x0, 0x0)
          /usr/local/go/src/internal/poll/fd_unix.go:165 +0xf0
  os.(*File).read(0xcdc0f0, 0x11c2000, 0x8000, 0x8000, 0x11c3700, 0x1d, 0x6940)
          /usr/local/go/src/os/file_unix.go:249 +0x3c
  os.(*File).Read(0xcdc0f0, 0x11c2000, 0x8000, 0x8000, 0x171d, 0x0, 0x0)
          /usr/local/go/src/os/file.go:108 +0x4c
  io.copyBuffer(0xe77be000, 0xe88380, 0x54c3f8, 0xcdc0f0, 0x11c2000, 0x8000, 
0x8000, 0x443d58, 0x47a900, 0x0, ...)
          /usr/local/go/src/io/io.go:402 +0xd8
  io.Copy(0xe77be000, 0xe88380, 0x54c3f8, 0xcdc0f0, 0xe88380, 0x0, 0x40, 0xb)
          /usr/local/go/src/io/io.go:364 +0x48
  cmd/go/internal/cache.FileHash(0xe628a0, 0x25, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
0x0, 0x0, ...)
          /usr/local/go/src/cmd/go/internal/cache/hash.go:149 +0x240
  cmd/go/internal/work.(*Builder).fileHash(0xd5cf60, 0xe628a0, 0x25, 0xe628a0, 
0x25)
          /usr/local/go/src/cmd/go/internal/work/buildid.go:396 +0x24
  cmd/go/internal/work.(*Builder).buildActionID(0xd5cf60, 0x1177760, 0x0, 0x0, 
0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:292 +0x5ec
  cmd/go/internal/work.(*Builder).build(0xd5cf60, 0x1177760, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:373 +0x3d3c
  cmd/go/internal/work.(*Builder).Do.func1(0x1177760)
          /usr/local/go/src/cmd/go/internal/work/exec.go:107 +0x58
  cmd/go/internal/work.(*Builder).Do.func2(0xdf0070, 0xd5cf60, 0x10427a0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:165 +0x84
  created by cmd/go/internal/work.(*Builder).Do
          /usr/local/go/src/cmd/go/internal/work/exec.go:152 +0x2e4

  goroutine 83 [syscall]:
  syscall.Syscall6(0x118, 0x1, 0x11d1, 0xf4d3b0, 0x1000004, 0x0, 0x0, 0x1c63c, 
0x15e54, 0xe280b0)
          /usr/local/go/src/syscall/asm_linux_arm.s:45 +0x8
  os.(*Process).blockUntilWaitable(0xf80330, 0xf80330, 0x0, 0x0)
          /usr/local/go/src/os/wait_waitid.go:31 +0x64
  os.(*Process).wait(0xf80330, 0x1, 0xc7e1b0, 0xe28010)
          /usr/local/go/src/os/exec_unix.go:22 +0x2c
  os.(*Process).Wait(0xf80330, 0x4d5f58, 0x4d5f5c, 0x4d5f54)
          /usr/local/go/src/os/exec.go:125 +0x1c
  os/exec.(*Cmd).Wait(0x11760b0, 0x0, 0x0)
          /usr/local/go/src/os/exec/exec.go:465 +0x40
  os/exec.(*Cmd).Run(0x11760b0, 0xfc8060, 0xefa800)
          /usr/local/go/src/os/exec/exec.go:309 +0x44
  cmd/go/internal/work.(*Builder).toolID(0xd5cf60, 0x497ee2, 0x7, 0x2c, 
0xf278e0)
          /usr/local/go/src/cmd/go/internal/work/buildid.go:193 +0x2e0
  cmd/go/internal/work.(*Builder).buildActionID(0xd5cf60, 0x1177e40, 0x0, 0x0, 
0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:223 +0xb8c
  cmd/go/internal/work.(*Builder).build(0xd5cf60, 0x1177e40, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:373 +0x3d3c
  cmd/go/internal/work.(*Builder).Do.func1(0x1177e40)
          /usr/local/go/src/cmd/go/internal/work/exec.go:107 +0x58
  cmd/go/internal/work.(*Builder).Do.func2(0xdf0070, 0xd5cf60, 0x10427a0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:165 +0x84
  created by cmd/go/internal/work.(*Builder).Do
          /usr/local/go/src/cmd/go/internal/work/exec.go:152 +0x2e4

  goroutine 84 [syscall]:
  syscall.Syscall6(0x118, 0x1, 0x11cf, 0xf453b0, 0x1000004, 0x0, 0x0, 0x1c63c, 
0x15e54, 0xeba040)
          /usr/local/go/src/syscall/asm_linux_arm.s:45 +0x8
  os.(*Process).blockUntilWaitable(0xf74180, 0xf74180, 0x0, 0x0)
          /usr/local/go/src/os/wait_waitid.go:31 +0x64
  os.(*Process).wait(0xf74180, 0x1, 0x1112070, 0x100e010)
          /usr/local/go/src/os/exec_unix.go:22 +0x2c
  os.(*Process).Wait(0xf74180, 0x4d5f58, 0x4d5f5c, 0x4d5f54)
          /usr/local/go/src/os/exec.go:125 +0x1c
  os/exec.(*Cmd).Wait(0xfe8000, 0x0, 0x0)
          /usr/local/go/src/os/exec/exec.go:465 +0x40
  os/exec.(*Cmd).Run(0xfe8000, 0xe10060, 0xf18000)
          /usr/local/go/src/os/exec/exec.go:309 +0x44
  cmd/go/internal/work.(*Builder).toolID(0xd5cf60, 0x497ee2, 0x7, 0x2c, 
0x10878e0)
          /usr/local/go/src/cmd/go/internal/work/buildid.go:193 +0x2e0
  cmd/go/internal/work.(*Builder).buildActionID(0xd5cf60, 0x1177a20, 0x0, 0x0, 
0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:223 +0xb8c
  cmd/go/internal/work.(*Builder).build(0xd5cf60, 0x1177a20, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:373 +0x3d3c
  cmd/go/internal/work.(*Builder).Do.func1(0x1177a20)
          /usr/local/go/src/cmd/go/internal/work/exec.go:107 +0x58
  cmd/go/internal/work.(*Builder).Do.func2(0xdf0070, 0xd5cf60, 0x10427a0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:165 +0x84
  created by cmd/go/internal/work.(*Builder).Do
          /usr/local/go/src/cmd/go/internal/work/exec.go:152 +0x2e4

  goroutine 85 [syscall]:
  syscall.Syscall6(0x118, 0x1, 0x11d5, 0xe373b0, 0x1000004, 0x0, 0x0, 0x1c63c, 
0x15e54, 0xeba050)
          /usr/local/go/src/syscall/asm_linux_arm.s:45 +0x8
  os.(*Process).blockUntilWaitable(0xf741b0, 0xf741b0, 0x0, 0x0)
          /usr/local/go/src/os/wait_waitid.go:31 +0x64
  os.(*Process).wait(0xf741b0, 0x50, 0xc0e290, 0xe00090)
          /usr/local/go/src/os/exec_unix.go:22 +0x2c
  os.(*Process).Wait(0xf741b0, 0x4d5f58, 0x4d5f5c, 0x4d5f54)
          /usr/local/go/src/os/exec.go:125 +0x1c
  os/exec.(*Cmd).Wait(0xf8e000, 0x0, 0x0)
          /usr/local/go/src/os/exec/exec.go:465 +0x40
  os/exec.(*Cmd).Run(0xf8e000, 0xcb5e00, 0xe6ca00)
          /usr/local/go/src/os/exec/exec.go:309 +0x44
  cmd/go/internal/work.(*Builder).toolID(0xd5cf60, 0x497ee2, 0x7, 0x2c, 
0xf2b8e0)
          /usr/local/go/src/cmd/go/internal/work/buildid.go:193 +0x2e0
  cmd/go/internal/work.(*Builder).buildActionID(0xd5cf60, 0x1177ef0, 0x0, 0x0, 
0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:223 +0xb8c
  cmd/go/internal/work.(*Builder).build(0xd5cf60, 0x1177ef0, 0x0, 0x0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:373 +0x3d3c
  cmd/go/internal/work.(*Builder).Do.func1(0x1177ef0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:107 +0x58
  cmd/go/internal/work.(*Builder).Do.func2(0xdf0070, 0xd5cf60, 0x10427a0)
          /usr/local/go/src/cmd/go/internal/work/exec.go:165 +0x84
  created by cmd/go/internal/work.(*Builder).Do
          /usr/local/go/src/cmd/go/internal/work/exec.go:152 +0x2e4

  goroutine 31 [IO wait]:
  internal/poll.runtime_pollWait(0xecac29c0, 0x72, 0x9cc90)
          /usr/local/go/src/runtime/netpoll.go:173 +0x44
  internal/poll.(*pollDesc).wait(0xd7c3d4, 0x72, 0xffffff01, 0x54cc68, 0x7e0240)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0x7c
  internal/poll.(*pollDesc).waitRead(0xd7c3d4, 0x1040601, 0x200, 0x200)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x2c
  internal/poll.(*FD).Read(0xd7c3c0, 0x1040600, 0x200, 0x200, 0x0, 0x0, 0x0)
          /usr/local/go/src/internal/poll/fd_unix.go:169 +0x14c
  os.(*File).read(0xe78168, 0x1040600, 0x200, 0x200, 0x1040600, 0x0, 0x0)
          /usr/local/go/src/os/file_unix.go:249 +0x3c
  os.(*File).Read(0xe78168, 0x1040600, 0x200, 0x200, 0xe9d2f000, 0xff667d78, 
0x3)
          /usr/local/go/src/os/file.go:108 +0x4c
  bytes.(*Buffer).ReadFrom(0xf3e060, 0x54c3f8, 0xe78168, 0xe9d2f000, 0xf3e060, 
0x1b001, 0xcf62b0)
          /usr/local/go/src/bytes/buffer.go:206 +0xb0
  io.copyBuffer(0x54bd38, 0xf3e060, 0x54c3f8, 0xe78168, 0x0, 0x0, 0x0, 0x0, 
0xcf60c0, 0x0, ...)
          /usr/local/go/src/io/io.go:388 +0x300
  io.Copy(0x54bd38, 0xf3e060, 0x54c3f8, 0xe78168, 0x19, 0xfa910, 0xcf6280, 
0xf977dc)
          /usr/local/go/src/io/io.go:364 +0x48
  os/exec.(*Cmd).writerDescriptor.func1(0xcf6280, 0xf977dc)
          /usr/local/go/src/os/exec/exec.go:279 +0x38
  os/exec.(*Cmd).Start.func1(0x10b8000, 0xd280c0)
          /usr/local/go/src/os/exec/exec.go:400 +0x1c
  created by os/exec.(*Cmd).Start
          /usr/local/go/src/os/exec/exec.go:399 +0x41c

  goroutine 30 [IO wait]:
  internal/poll.runtime_pollWait(0xecac2dc0, 0x72, 0x9cc90)
          /usr/local/go/src/runtime/netpoll.go:173 +0x44
  internal/poll.(*pollDesc).wait(0xd7c354, 0x72, 0xffffff01, 0x54cc68, 0x7e0240)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0x7c
  internal/poll.(*pollDesc).waitRead(0xd7c354, 0xddc001, 0x200, 0x200)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x2c
  internal/poll.(*FD).Read(0xd7c340, 0xddc000, 0x200, 0x200, 0x0, 0x0, 0x0)
          /usr/local/go/src/internal/poll/fd_unix.go:169 +0x14c
  os.(*File).read(0xe78148, 0xddc000, 0x200, 0x200, 0xddc000, 0x0, 0x0)
          /usr/local/go/src/os/file_unix.go:249 +0x3c
  os.(*File).Read(0xe78148, 0xddc000, 0x200, 0x200, 0xe9d2f000, 0xff667d78, 0x5)
          /usr/local/go/src/os/file.go:108 +0x4c
  bytes.(*Buffer).ReadFrom(0xf3e000, 0x54c3f8, 0xe78148, 0xe9d2f000, 0xf3e000, 
0x1b001, 0xcf62b0)
          /usr/local/go/src/bytes/buffer.go:206 +0xb0
  io.copyBuffer(0x54bd38, 0xf3e000, 0x54c3f8, 0xe78148, 0x0, 0x0, 0x0, 0x0, 
0xcf6140, 0x0, ...)
          /usr/local/go/src/io/io.go:388 +0x300
  io.Copy(0x54bd38, 0xf3e000, 0x54c3f8, 0xe78148, 0x0, 0xfa910, 0xcf6280, 
0xf95fdc)
          /usr/local/go/src/io/io.go:364 +0x48
  os/exec.(*Cmd).writerDescriptor.func1(0xcf6280, 0xf95fdc)
          /usr/local/go/src/os/exec/exec.go:279 +0x38
  os/exec.(*Cmd).Start.func1(0x10b8000, 0xd280a0)
          /usr/local/go/src/os/exec/exec.go:400 +0x1c
  created by os/exec.(*Cmd).Start
          /usr/local/go/src/os/exec/exec.go:399 +0x41c

  goroutine 37 [IO wait]:
  internal/poll.runtime_pollWait(0xecac2f40, 0x72, 0x9cc90)
          /usr/local/go/src/runtime/netpoll.go:173 +0x44
  internal/poll.(*pollDesc).wait(0xdc8514, 0x72, 0xffffff01, 0x54cc68, 0x7e0240)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0x7c
  internal/poll.(*pollDesc).waitRead(0xdc8514, 0x1040801, 0x200, 0x200)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x2c
  internal/poll.(*FD).Read(0xdc8500, 0x1040800, 0x200, 0x200, 0x0, 0x0, 0x0)
          /usr/local/go/src/internal/poll/fd_unix.go:169 +0x14c
  os.(*File).read(0xc0e338, 0x1040800, 0x200, 0x200, 0x1040800, 0x0, 0x0)
          /usr/local/go/src/os/file_unix.go:249 +0x3c
  os.(*File).Read(0xc0e338, 0x1040800, 0x200, 0x200, 0xe9d2f000, 0xff669250, 
0x3)
          /usr/local/go/src/os/file.go:108 +0x4c
  bytes.(*Buffer).ReadFrom(0xca8000, 0x54c3f8, 0xc0e338, 0xe9d2f000, 0xca8000, 
0x16601, 0xc36f54)
          /usr/local/go/src/bytes/buffer.go:206 +0xb0
  io.copyBuffer(0x54bd38, 0xca8000, 0x54c3f8, 0xc0e338, 0x0, 0x0, 0x0, 0x0, 
0xd9c0c0, 0x0, ...)
          /usr/local/go/src/io/io.go:388 +0x300
  io.Copy(0x54bd38, 0xca8000, 0x54c3f8, 0xc0e338, 0xd9c100, 0xfa910, 0xd9c100, 
0xc36fdc)
          /usr/local/go/src/io/io.go:364 +0x48
  os/exec.(*Cmd).writerDescriptor.func1(0xd9c100, 0xc36fdc)
          /usr/local/go/src/os/exec/exec.go:279 +0x38
  os/exec.(*Cmd).Start.func1(0xf8e0b0, 0xe00190)
          /usr/local/go/src/os/exec/exec.go:400 +0x1c
  created by os/exec.(*Cmd).Start
          /usr/local/go/src/os/exec/exec.go:399 +0x41c

  goroutine 114 [IO wait]:
  internal/poll.runtime_pollWait(0xecac23c0, 0x72, 0x9cc90)
          /usr/local/go/src/runtime/netpoll.go:173 +0x44
  internal/poll.(*pollDesc).wait(0xce8694, 0x72, 0xffffff01, 0x54cc68, 0x7e0240)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0x7c
  internal/poll.(*pollDesc).waitRead(0xce8694, 0x108e001, 0x200, 0x200)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x2c
  internal/poll.(*FD).Read(0xce8680, 0x108e000, 0x200, 0x200, 0x0, 0x0, 0x0)
          /usr/local/go/src/internal/poll/fd_unix.go:169 +0x14c
  os.(*File).read(0xe6e1b8, 0x108e000, 0x200, 0x200, 0x108e000, 0x0, 0x0)
          /usr/local/go/src/os/file_unix.go:249 +0x3c
  os.(*File).Read(0xe6e1b8, 0x108e000, 0x200, 0x200, 0xe9d2f000, 0x4e9d0, 
0xc37f18)
          /usr/local/go/src/os/file.go:108 +0x4c
  bytes.(*Buffer).ReadFrom(0x1024000, 0x54c3f8, 0xe6e1b8, 0xe9d2f000, 
0x1024000, 0x1177a01, 0xd5cf98)
          /usr/local/go/src/bytes/buffer.go:206 +0xb0
  io.copyBuffer(0x54bd38, 0x1024000, 0x54c3f8, 0xe6e1b8, 0x0, 0x0, 0x0, 0x2, 
0x0, 0x1, ...)
          /usr/local/go/src/io/io.go:388 +0x300
  io.Copy(0x54bd38, 0x1024000, 0x54c3f8, 0xe6e1b8, 0x1, 0x0, 0x0, 0x0)
          /usr/local/go/src/io/io.go:364 +0x48
  os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0)
          /usr/local/go/src/os/exec/exec.go:279 +0x38
  os/exec.(*Cmd).Start.func1(0xe14000, 0x1042840)
          /usr/local/go/src/os/exec/exec.go:400 +0x1c
  created by os/exec.(*Cmd).Start
          /usr/local/go/src/os/exec/exec.go:399 +0x41c

  goroutine 115 [IO wait]:
  internal/poll.runtime_pollWait(0xecac22c0, 0x72, 0x9cc90)
          /usr/local/go/src/runtime/netpoll.go:173 +0x44
  internal/poll.(*pollDesc).wait(0xce8714, 0x72, 0xffffff01, 0x54cc68, 0x7e0240)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0x7c
  internal/poll.(*pollDesc).waitRead(0xce8714, 0x108e601, 0x200, 0x200)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x2c
  internal/poll.(*FD).Read(0xce8700, 0x108e600, 0x200, 0x200, 0x0, 0x0, 0x0)
          /usr/local/go/src/internal/poll/fd_unix.go:169 +0x14c
  os.(*File).read(0xe6e1d8, 0x108e600, 0x200, 0x200, 0x108e600, 0x0, 0x0)
          /usr/local/go/src/os/file_unix.go:249 +0x3c
  os.(*File).Read(0xe6e1d8, 0x108e600, 0x200, 0x200, 0xe9d2f000, 0x0, 0x0)
          /usr/local/go/src/os/file.go:108 +0x4c
  bytes.(*Buffer).ReadFrom(0xd5c720, 0x54c3f8, 0xe6e1d8, 0xe9d2f000, 0xd5c720, 
0x1, 0x0)
          /usr/local/go/src/bytes/buffer.go:206 +0xb0
  io.copyBuffer(0x54bd38, 0xd5c720, 0x54c3f8, 0xe6e1d8, 0x0, 0x0, 0x0, 0x0, 
0x0, 0x0, ...)
          /usr/local/go/src/io/io.go:388 +0x300
  io.Copy(0x54bd38, 0xd5c720, 0x54c3f8, 0xe6e1d8, 0x0, 0x0, 0x0, 0x0)
          /usr/local/go/src/io/io.go:364 +0x48
  os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0)
          /usr/local/go/src/os/exec/exec.go:279 +0x38
  os/exec.(*Cmd).Start.func1(0xe14000, 0x1042860)
          /usr/local/go/src/os/exec/exec.go:400 +0x1c
  created by os/exec.(*Cmd).Start
          /usr/local/go/src/os/exec/exec.go:399 +0x41c

  goroutine 116 [IO wait]:
  internal/poll.runtime_pollWait(0xecac2c40, 0x72, 0x9cc90)
          /usr/local/go/src/runtime/netpoll.go:173 +0x44
  internal/poll.(*pollDesc).wait(0xc72214, 0x72, 0xffffff01, 0x54cc68, 0x7e0240)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0x7c
  internal/poll.(*pollDesc).waitRead(0xc72214, 0xea4201, 0x200, 0x200)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x2c
  internal/poll.(*FD).Read(0xc72200, 0xea4200, 0x200, 0x200, 0x0, 0x0, 0x0)
          /usr/local/go/src/internal/poll/fd_unix.go:169 +0x14c
  os.(*File).read(0xc7e190, 0xea4200, 0x200, 0x200, 0xea4200, 0x0, 0x0)
          /usr/local/go/src/os/file_unix.go:249 +0x3c
  os.(*File).Read(0xc7e190, 0xea4200, 0x200, 0x200, 0xe9d2f000, 0x3e206820, 
0x3331203e)
          /usr/local/go/src/os/file.go:108 +0x4c
  bytes.(*Buffer).ReadFrom(0xfc8000, 0x54c3f8, 0xc7e190, 0xe9d2f000, 0xfc8000, 
0x61686d01, 0x32336873)
          /usr/local/go/src/bytes/buffer.go:206 +0xb0
  io.copyBuffer(0x54bd38, 0xfc8000, 0x54c3f8, 0xc7e190, 0x0, 0x0, 0x0, 
0x34202b20, 0x7361682a, 0x79656b68, ...)
          /usr/local/go/src/io/io.go:388 +0x300
  io.Copy(0x54bd38, 0xfc8000, 0x54c3f8, 0xc7e190, 0x70283233, 0x68090a29, 
0x72203d20, 0x5f6c746f)
          /usr/local/go/src/io/io.go:364 +0x48
  os/exec.(*Cmd).writerDescriptor.func1(0x203d5e20, 0x3e3e2068)
          /usr/local/go/src/os/exec/exec.go:279 +0x38
  os/exec.(*Cmd).Start.func1(0x11760b0, 0xe28040)
          /usr/local/go/src/os/exec/exec.go:400 +0x1c
  created by os/exec.(*Cmd).Start
          /usr/local/go/src/os/exec/exec.go:399 +0x41c

  goroutine 117 [IO wait]:
  internal/poll.runtime_pollWait(0xecac2740, 0x72, 0x9cc90)
          /usr/local/go/src/runtime/netpoll.go:173 +0x44
  internal/poll.(*pollDesc).wait(0xc72294, 0x72, 0xffffff01, 0x54cc68, 0x7e0240)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0x7c
  internal/poll.(*pollDesc).waitRead(0xc72294, 0xea4001, 0x200, 0x200)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x2c
  internal/poll.(*FD).Read(0xc72280, 0xea4000, 0x200, 0x200, 0x0, 0x0, 0x0)
          /usr/local/go/src/internal/poll/fd_unix.go:169 +0x14c
  os.(*File).read(0xc7e1b8, 0xea4000, 0x200, 0x200, 0xea4000, 0x0, 0x0)
          /usr/local/go/src/os/file_unix.go:249 +0x3c
  os.(*File).Read(0xc7e1b8, 0xea4000, 0x200, 0x200, 0xe9d2f000, 0x0, 0x0)
          /usr/local/go/src/os/file.go:108 +0x4c
  bytes.(*Buffer).ReadFrom(0xfc8060, 0x54c3f8, 0xc7e1b8, 0xe9d2f000, 0xfc8060, 
0x1, 0x0)
          /usr/local/go/src/bytes/buffer.go:206 +0xb0
  io.copyBuffer(0x54bd38, 0xfc8060, 0x54c3f8, 0xc7e1b8, 0x0, 0x0, 0x0, 0x0, 
0x0, 0x0, ...)
          /usr/local/go/src/io/io.go:388 +0x300
  io.Copy(0x54bd38, 0xfc8060, 0x54c3f8, 0xc7e1b8, 0x0, 0x0, 0x0, 0x0)
          /usr/local/go/src/io/io.go:364 +0x48
  os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0)
          /usr/local/go/src/os/exec/exec.go:279 +0x38
  os/exec.(*Cmd).Start.func1(0x11760b0, 0xe28070)
          /usr/local/go/src/os/exec/exec.go:400 +0x1c
  created by os/exec.(*Cmd).Start
          /usr/local/go/src/os/exec/exec.go:399 +0x41c

  goroutine 130 [IO wait]:
  internal/poll.runtime_pollWait(0xecac25c0, 0x72, 0x9cc90)
          /usr/local/go/src/runtime/netpoll.go:173 +0x44
  internal/poll.(*pollDesc).wait(0xc8a114, 0x72, 0xffffff01, 0x54cc68, 0x7e0240)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0x7c
  internal/poll.(*pollDesc).waitRead(0xc8a114, 0xea4401, 0x200, 0x200)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x2c
  internal/poll.(*FD).Read(0xc8a100, 0xea4400, 0x200, 0x200, 0x0, 0x0, 0x0)
          /usr/local/go/src/internal/poll/fd_unix.go:169 +0x14c
  os.(*File).read(0x1112058, 0xea4400, 0x200, 0x200, 0xea4400, 0x0, 0x0)
          /usr/local/go/src/os/file_unix.go:249 +0x3c
  os.(*File).Read(0x1112058, 0xea4400, 0x200, 0x200, 0xe9d2f000, 0x0, 0x0)
          /usr/local/go/src/os/file.go:108 +0x4c
  bytes.(*Buffer).ReadFrom(0xe10000, 0x54c3f8, 0x1112058, 0xe9d2f000, 0xe10000, 
0x1177d01, 0xd5cf98)
          /usr/local/go/src/bytes/buffer.go:206 +0xb0
  io.copyBuffer(0x54bd38, 0xe10000, 0x54c3f8, 0x1112058, 0x0, 0x0, 0x0, 0x2, 
0x0, 0x1, ...)
          /usr/local/go/src/io/io.go:388 +0x300
  io.Copy(0x54bd38, 0xe10000, 0x54c3f8, 0x1112058, 0x1, 0x0, 0x0, 0x0)
          /usr/local/go/src/io/io.go:364 +0x48
  os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0)
          /usr/local/go/src/os/exec/exec.go:279 +0x38
  os/exec.(*Cmd).Start.func1(0xfe8000, 0x100e040)
          /usr/local/go/src/os/exec/exec.go:400 +0x1c
  created by os/exec.(*Cmd).Start
          /usr/local/go/src/os/exec/exec.go:399 +0x41c

  goroutine 131 [IO wait]:
  internal/poll.runtime_pollWait(0xecac24c0, 0x72, 0x9cc90)
          /usr/local/go/src/runtime/netpoll.go:173 +0x44
  internal/poll.(*pollDesc).wait(0xc8a214, 0x72, 0xffffff01, 0x54cc68, 0x7e0240)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0x7c
  internal/poll.(*pollDesc).waitRead(0xc8a214, 0x1044001, 0x200, 0x200)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x2c
  internal/poll.(*FD).Read(0xc8a200, 0x1044000, 0x200, 0x200, 0x0, 0x0, 0x0)
          /usr/local/go/src/internal/poll/fd_unix.go:169 +0x14c
  os.(*File).read(0x1112078, 0x1044000, 0x200, 0x200, 0x1044000, 0x0, 0x0)
          /usr/local/go/src/os/file_unix.go:249 +0x3c
  os.(*File).Read(0x1112078, 0x1044000, 0x200, 0x200, 0xe9d2f000, 0xa, 0x2)
          /usr/local/go/src/os/file.go:108 +0x4c
  bytes.(*Buffer).ReadFrom(0xe10060, 0x54c3f8, 0x1112078, 0xe9d2f000, 0xe10060, 
0x1, 0x2)
          /usr/local/go/src/bytes/buffer.go:206 +0xb0
  io.copyBuffer(0x54bd38, 0xe10060, 0x54c3f8, 0x1112078, 0x0, 0x0, 0x0, 
0xee3e90, 0x27, 0xd2, ...)
          /usr/local/go/src/io/io.go:388 +0x300
  io.Copy(0x54bd38, 0xe10060, 0x54c3f8, 0x1112078, 0x2, 0xedca50, 0x2b, 0xbc)
          /usr/local/go/src/io/io.go:364 +0x48
  os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0)
          /usr/local/go/src/os/exec/exec.go:279 +0x38
  os/exec.(*Cmd).Start.func1(0xfe8000, 0x100e060)
          /usr/local/go/src/os/exec/exec.go:400 +0x1c
  created by os/exec.(*Cmd).Start
          /usr/local/go/src/os/exec/exec.go:399 +0x41c

  goroutine 132 [IO wait]:
  internal/poll.runtime_pollWait(0xecac2240, 0x72, 0x9cc90)
          /usr/local/go/src/runtime/netpoll.go:173 +0x44
  internal/poll.(*pollDesc).wait(0xdc82d4, 0x72, 0xffffff01, 0x54cc68, 0x7e0240)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0x7c
  internal/poll.(*pollDesc).waitRead(0xdc82d4, 0x1044201, 0x200, 0x200)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x2c
  internal/poll.(*FD).Read(0xdc82c0, 0x1044200, 0x200, 0x200, 0x0, 0x0, 0x0)
          /usr/local/go/src/internal/poll/fd_unix.go:169 +0x14c
  os.(*File).read(0xc0e270, 0x1044200, 0x200, 0x200, 0x1044200, 0x0, 0x0)
          /usr/local/go/src/os/file_unix.go:249 +0x3c
  os.(*File).Read(0xc0e270, 0x1044200, 0x200, 0x200, 0xe9d2f000, 0x0, 0x0)
          /usr/local/go/src/os/file.go:108 +0x4c
  bytes.(*Buffer).ReadFrom(0xcb5800, 0x54c3f8, 0xc0e270, 0xe9d2f000, 0xcb5800, 
0x1, 0x0)
          /usr/local/go/src/bytes/buffer.go:206 +0xb0
  io.copyBuffer(0x54bd38, 0xcb5800, 0x54c3f8, 0xc0e270, 0x0, 0x0, 0x0, 0x0, 
0x0, 0x0, ...)
          /usr/local/go/src/io/io.go:388 +0x300
  io.Copy(0x54bd38, 0xcb5800, 0x54c3f8, 0xc0e270, 0x0, 0x0, 0x0, 0x0)
          /usr/local/go/src/io/io.go:364 +0x48
  os/exec.(*Cmd).writerDescriptor.func1(0x0, 0xcc9f80)
          /usr/local/go/src/os/exec/exec.go:279 +0x38
  os/exec.(*Cmd).Start.func1(0xf8e000, 0xe000c0)
          /usr/local/go/src/os/exec/exec.go:400 +0x1c
  created by os/exec.(*Cmd).Start
          /usr/local/go/src/os/exec/exec.go:399 +0x41c

  goroutine 133 [IO wait]:
  internal/poll.runtime_pollWait(0xecac27c0, 0x72, 0x9cc90)
          /usr/local/go/src/runtime/netpoll.go:173 +0x44
  internal/poll.(*pollDesc).wait(0xdc8354, 0x72, 0xffffff01, 0x54cc68, 0x7e0240)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0x7c
  internal/poll.(*pollDesc).waitRead(0xdc8354, 0x1040401, 0x200, 0x200)
          /usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x2c
  internal/poll.(*FD).Read(0xdc8340, 0x1040400, 0x200, 0x200, 0x0, 0x0, 0x0)
          /usr/local/go/src/internal/poll/fd_unix.go:169 +0x14c
  os.(*File).read(0xc0e298, 0x1040400, 0x200, 0x200, 0x1040400, 0x0, 0x0)
          /usr/local/go/src/os/file_unix.go:249 +0x3c
  os.(*File).Read(0xc0e298, 0x1040400, 0x200, 0x200, 0xe9d2f000, 0x0, 0x10b81d0)
          /usr/local/go/src/os/file.go:108 +0x4c
  bytes.(*Buffer).ReadFrom(0xcb5e00, 0x54c3f8, 0xc0e298, 0xe9d2f000, 0xcb5e00, 
0x1, 0x0)
          /usr/local/go/src/bytes/buffer.go:206 +0xb0
  io.copyBuffer(0x54bd38, 0xcb5e00, 0x54c3f8, 0xc0e298, 0x0, 0x0, 0x0, 0x0, 
0x0, 0x0, ...)
          /usr/local/go/src/io/io.go:388 +0x300
  io.Copy(0x54bd38, 0xcb5e00, 0x54c3f8, 0xc0e298, 0x0, 0x0, 0x0, 0x0)
          /usr/local/go/src/io/io.go:364 +0x48
  os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0)
          /usr/local/go/src/os/exec/exec.go:279 +0x38
  os/exec.(*Cmd).Start.func1(0xf8e000, 0xe000e0)
          /usr/local/go/src/os/exec/exec.go:400 +0x1c
  created by os/exec.(*Cmd).Start
          /usr/local/go/src/os/exec/exec.go:399 +0x41c
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)


  
  --------------

  With newer golang version
  go version
  go version go1.11.9 linux/arm
  - show quoted text -
  GOGCCFLAGS="-fPIC -marm -pthread -fmessage-length=0 
-fdebug-prefix-map=/tmp/go-build218432843=/tmp/go-build 
-gno-record-gcc-switches"

  
  $ /usr/local/go/bin/go get -v 
github.com/Azure/sonic-telemetry/dialout/dialout_client_cli
  panic: runtime error: invalid memory address or nil pointer dereference
  [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x66180]

  goroutine 11fatal error:  [malloc deadlock
  , panic during panic
  [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x66180]

  108033889401^Ifatal error: unexpected signal during runtime execution
  stack trace unavailable

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