[Xen-bugs] [Bug 1612] x86-64 : Can't start VM when vif set

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1612


igor@xxxxxxxxx changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |igor@xxxxxxxxx
             Status|NEW                         |RESOLVED
         Resolution|                            |WORKSFORME
            Summary|Can't start VM when vif set |x86-64 : Can't start VM when
                   |and udev version is greater |vif set
                   |than 151                    |




------- Comment #20 from igor@xxxxxxxxx  2010-05-30 09:30 -------
I've too this issue. And I confirm workaround. Tested platform - Debian Sid
(2.6.32-5) and OpenSUSE 11.3rc7 (2.6.34). starting hvm domain with enabled lan
adapter cause kernel Oops. After simple downgrading in Debian udev to version
151 from http://www.kernel.org/pub/linux/utils/kernel/hotplug/ (./configure
--prefix=/usr && make && make install) all work. OpenSUSE not tested yet :(. In
Ubuntu 10.04 with Jeremy's kernel 2.6.32.13 I don't look such issue - version
of udev is 151!

> 
> I've had a similar issue on x86_64 using a subset of the openSUSE forward
> ported dom0 kernel patches on 2.6.32, when portage upgraded udev to 154
> starting a vm resulted in a very similar null pointer dereference and
> eventually xm create timed out and a error was logged about vif device 
> failure.
> 
> Downgrading udev fixed the problem.
> 
> Andy
> 


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