running centos 6... have had a KVM linux vm (also C6) going for quite
awhile that depends on a USB device mapping (a external audio DAC module).
I updated the host today (yum update), it had been awhile (was like 6.5
before, now its 6.8+), and rebooted. the VM won't restart.
when I try and restart it, I get this
Error restoring domain: internal error Did not find USB device 8bb:2704
bus:5 device:4
Traceback (most recent call last):
File "/usr/share/virt-manager/virtManager/asyncjob.py", line 44, in
cb_wrapper
callback(asyncjob, *args, **kwargs)
File "/usr/share/virt-manager/virtManager/asyncjob.py", line 65, in tmpcb
callback(*args, **kwargs)
File "/usr/share/virt-manager/virtManager/domain.py", line 1125, in
startup
self._backend.create()
File "/usr/lib64/python2.6/site-packages/libvirt.py", line 686, in create
if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
libvirtError: internal error Did not find USB device 8bb:2704 bus:5 device:4
using virsh edit mydomain, I see...
<hostdev mode='subsystem' type='usb' managed='yes'>
<source>
<vendor id='0x08bb'/>
<product id='0x2704'/>
</source>
</hostdev>
and on the host, lsusb shows...
# lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 002: ID 08bb:2704 Texas Instruments Audio Codec
note the TI Audio device is bus 5, dev 2. Why is KVM insisting its
bus 5 dev 4? I've deleted the device from the VM and tried to start
it, same error. i've looked in every kvm/qemu related conf file I can
find, no sign of bus 5 dev 4.
# virsh start mydomain
error: Failed to start domain mydomain
error: internal error Did not find USB device 8bb:2704 bus:5 device:4
how can I fix this?
--
john r pierce, recycling bits in santa cruz
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