[Bug 1870477] Re: qemu-arm hangs when golang running test

[Donghun Kwak]

** Attachment added: "success case log"
   
https://bugs.launchpad.net/qemu/+bug/1870477/+attachment/5345419/+files/qemu_success.log

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https://bugs.launchpad.net/bugs/1870477

Title:
  qemu-arm hangs when golang running test

Status in QEMU:
  New

Bug description:
  
  1. Environment:
  Ubuntu 16.04.5 X86_64
  qemu-arm version 4.2.0
  go version go 1.14.1 linux/arm

  2. Summary:
  Sometimes "go run test.go" command hang

  
  3. Reproduction Method (Attempts: 500 Occurred: 1 ): Frequency: 1/500

  
  test.go
  ======================================
  package main
  import "fmt"
  func main(){
          for i:=0; i<1000; i++ {
                  fmt.Printf("[%d] Hello world\n", i)
          }
  }
  ======================================

  i tested "go run test.go" command called  500 times at qemu arm env.
  qemu hangs about 200~300.

  attached strace log.

  please check.
  thanks

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