Public bug reported:
Running Ubuntu 12.04 x86_64
libvirt0 and libvirt-bin 0.9.8-2ubuntu17.8 causes a regression.
I am using QEMU/KVM virtual machines.
To reproduce:
use virsh to create/start a vm
use virsh to attach-device a host usb device
use virsh to stop/destroy the vm
use virsh to create vm again
use virsh to attach the usb device again
I get:
virsh attach-device vm1 /var/lib/libvirt/hotplug/usb-serial.xml
error: Failed to attach device from /var/lib/libvirt/hotplug/usb-serial.xml
error: Requested operation is not valid: USB device 002:005 is in use by domain
..
Note the ".." characters. That is literal. It is printing garbage characters.
The failure is not 100% of the time but is pretty high (50% ?)
usb-serial.xml:
<hostdev mode='subsystem' type='usb' managed='yes'>
<source>
<vendor id='0x067b'/>
<product id='0x2303'/>
</source>
</hostdev>
backing up libvirt0 and libvirt-bin to 0.9.8-2ubuntu17.7 makes this problem go
away.
While looking at this I found a Fedora bug that looks similar. The upstream
patches they identified may be of interest.
https://bugzilla.redhat.com/show_bug.cgi?id=814866
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1190387
Title:
attach-device of usb falsely declares device in use by other domain
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