Public bug reported:
After updating Ubuntu 20.04 to the Beta version, we get the following
error and the virtual machines stucks when detaching PCI devices using
virsh command:
Error:
error: Failed to detach device from /tmp/vf_interface_attached.xml
error: internal error: End of file from qemu monitor
steps to reproduce:
1. create a VM over Ubuntu 20.04 (5.4.0-14-generic)
2. attach PCI device to this VM (Mellanox VF for example)
3. try to detaching the PCI device using virsh command:
a. create a pci interface xml file:
<hostdev mode='subsystem' type='pci' managed='yes'>
<driver name='vfio'/>
<source>
<address type='pci' domain='0x0000' bus='0x11' slot='0x00' function='0x2'
/>
</source>
</hostdev>
b. #virsh detach-device <VM-Doman-name> <pci interface xml file>
- Ubuntu release:
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
- Package ver:
libvirt0:
Installed: 6.0.0-0ubuntu3
Candidate: 6.0.0-0ubuntu5
Version table:
6.0.0-0ubuntu5 500
500 http://il.archive.ubuntu.com/ubuntu focal/main amd64 Packages
*** 6.0.0-0ubuntu3 100
100 /var/lib/dpkg/status
- What you expected to happen:
PCI device detached without any errors.
- What happened instead:
getting the errors above and he VM stuck
additional info:
after downgrading the libvirt0 package and all the dependent packages to 5.4
the previous, version, seems that the issue disappeared
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
** Tags: focal
** Summary changed:
- libvirt 6.0 : virtual machines stuck when detaching PCI device
+ libvirt 6.0 : virtual machine stuck when detaching PCI device using virsh
command
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https://bugs.launchpad.net/bugs/1867519
Title:
libvirt 6.0 : virtual machine stuck when detaching PCI device using
virsh command
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