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[Qemu-devel] [Bug 1569053] Re: Qemu crashes when I start a second VM fro


From: Launchpad Bug Tracker
Subject: [Qemu-devel] [Bug 1569053] Re: Qemu crashes when I start a second VM from command line
Date: Wed, 29 May 2019 04:17:17 -0000

[Expired for QEMU because there has been no activity for 60 days.]

** Changed in: qemu
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1569053

Title:
  Qemu crashes when I start a second VM from command line

Status in QEMU:
  Expired

Bug description:
  I am using Qemu on 64 bit  x86 platform, operating system ubuntu
  14.04. I cloned the latest version of qemu from github and installed
  on my system.

  I booted the 1st VM with the instruction:

  sudo qemu-system-x86_64 -m 1024 -smp 4 -cpu host -hda
  /var/lib/libvirt/images/vm1p4.img -boot c -enable-kvm -no-reboot -net
  none -chardev socket,id=char1,path=/usr/local/var/run/openvswitch
  /vhost-user1 -netdev type=vhost-
  user,id=mynet1,chardev=char1,vhostforce -device virtio-net-
  pci,mac=00:00:00:00:00:01,netdev=mynet1 -object memory-backend-
  file,id=mem,size=1024M,mem-path=/dev/hugepages,share=on -numa
  node,memdev=mem -mem-prealloc

  It is was launched successfully.
  Then I lanched the second VM with the instruction:

  sudo qemu-system-x86_64 -m 1024 -smp 4 -cpu host -hda
  /var/lib/libvirt/images/vm1p4-2.img -boot c -enable-kvm -no-reboot
  -net none -chardev socket,id=char2,path=/usr/local/var/run/openvswitch
  /vhost-user2 -netdev type=vhost-
  user,id=mynet2,chardev=char2,vhostforce -device virtio-net-
  pci,mac=00:00:00:00:00:02,netdev=mynet2 -object memory-backend-
  file,id=mem,size=1024M,mem-path=/dev/hugepages,share=on -numa
  node,memdev=mem -mem-prealloc

  Qemu crashed right away. Plea see the log below.


  sudo qemu-system-x86_64 -m 1024 -smp 4 -cpu host -hda 
/var/lib/libvirt/images/vm1p4-2.img -boot c -enable-kvm -no-reboot -net none 
-chardev socket,id=char2,path=/usr/local/var/run/openvswitch/vhost-user2 
-netdev type=vhost-user,id=mynet2,chardev=char2,vhostforce -device 
virtio-net-pci,mac=00:00:00:00:00:02,netdev=mynet2 -object 
memory-backend-file,id=mem,size=1024M,mem-path=/dev/hugepages,share=on -numa 
node,memdev=mem -mem-prealloc
  KVM internal error. Suberror: 1
  emulation failure
  EAX=000cc765 EBX=00000007 ECX=000cc6ac EDX=0000df00
  ESI=1ff00000 EDI=0000d5d7 EBP=ffffffff ESP=0000f9ce
  EIP=d5d70000 EFL=00010012 [----A--] CPL=0 II=0 A20=1 SMM=0 HLT=0
  ES =df00 000df000 ffffffff 00809300
  CS =f000 000f0000 ffffffff 00809b00
  SS =df00 000df000 ffffffff 00809300
  DS =df00 000df000 ffffffff 00809300
  FS =0000 00000000 ffffffff 00809300
  GS =0000 00000000 ffffffff 00809300
  LDT=0000 00000000 0000ffff 00008200
  TR =0000 00000000 0000ffff 00008b00
  GDT=     00000000 00000000
  IDT=     00000000 000003ff
  CR0=00000010 CR2=00000000 CR3=00000000 CR4=00000000
  DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 
DR3=0000000000000000 
  DR6=00000000ffff0ff0 DR7=0000000000000400
  EFER=0000000000000000
  Code=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

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