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[Bug 1924738] Re: Failed to restore domain - error load load virtio-ball


From: Thomas Huth
Subject: [Bug 1924738] Re: Failed to restore domain - error load load virtio-balloon:virtio
Date: Wed, 12 May 2021 17:25:52 -0000

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

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https://bugs.launchpad.net/bugs/1924738

Title:
  Failed to restore domain - error load load virtio-balloon:virtio

Status in QEMU:
  Incomplete

Bug description:
  I noticed a domain restore error on my virtual machines.
  I can't reproduce the error on a test virtual machine.

  sudo virsh save linux2020 /var/lib/libvirt/qemu/save/linux2020.save
  Domain 'linux2020' saved to /var/lib/libvirt/qemu/save/linux2020.save

  sudo virsh restore /var/lib/libvirt/qemu/save/linux2020.save
  error: Failed to restore domain from /var/lib/libvirt/qemu/save/linux2020.save
  error: внутренняя ошибка: QEMU неожиданно завершил работу монитора: 
qemu-system-x86_64: -chardev socket,id=charchannel0,fd=52,server,nowait: 
warning: short-form boolean option 'server' deprecated
  Please use server=on instead
  qemu-system-x86_64: -chardev socket,id=charchannel0,fd=52,server,nowait: 
warning: short-form boolean option 'nowait' deprecated
  Please use wait=off instead
  qemu-system-x86_64: -spice 
port=5900,addr=0.0.0.0,disable-ticketing,image-compression=off,seamless-migration=on:
 warning: short-form boolean option 'disable-ticketing' deprecated
  Please use disable-ticketing=on instead
  2021-04-16T09:47:15.037700Z qemu-system-x86_64: VQ 0 size 0x80 < 
last_avail_idx 0x0 - used_idx 0xcccc
  2021-04-16T09:47:15.037737Z qemu-system-x86_64: Failed to load 
virtio-balloon:virtio
  2021-04-16T09:47:15.037744Z qemu-system-x86_64: error while loading state for 
instance 0x0 of device '0000:00:02.0/virtio-balloon'
  2021-04-16T09:47:15.037849Z qemu-system-x86_64: load of migration failed: 
Operation not permitted

  If in the machine configuration replace
  <type arch="x86_64" machine="pc-i440fx-5.1">hvm</type>
  to
  <type arch="x86_64" machine="pc-i440fx-5.0">hvm</type>
  the virtual machine is recovering normally

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