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

[Donghun Kwak]

Public bug reported:


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

** Affects: qemu
     Importance: Undecided
         Status: New

** Attachment added: "qemu_hang_problem.log"
   
https://bugs.launchpad.net/bugs/1870477/+attachment/5345418/+files/qemu_hang_problem.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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