Bug#593245: linux-image-2.6.32-5-xen-amd64_2.6.32-20_amd64.deb can't start VM's due to udev rule mismatch

[Timo Juhani Lindfors <timo.lindfors@iki.fi>]

Ian Campbell <ijc@hellion.org.uk> writes:
> The version of xen-utils-common may also have some bearing on this since
> it is the package which provides /lib/udev/rules.d/xend.rules

Here in working case I have

$ dpkg-query -W xen*
xen-hypervisor-amd64
xen-linux-system-2.6.32-5+bug580889.1-xen-amd64
xen-tools
xen-utils-common        4.0.0-1
xenstore-utils  4.0.1-1

> It's also worth checking for stale entries in /etc/udev/rules.d (or
> whatever the previous path was) which might be interfering.

$ md5sum /lib/udev/rules.d/*xen*
cea42daba332764f255dadec112f64c5  /lib/udev/rules.d/xen-backend.rules
5a306f5dba657c3c962c158782e848fb  /lib/udev/rules.d/xend.rules