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Re: [Xen-users] domU's can't find eth0

On Wed, 2006-03-01 at 00:56 +0000, Andrew Thompson wrote:
> On Tue, Feb 28, 2006 at 03:49:29PM -0500, Ted Kaczmarek wrote:
> > On Tue, 2006-02-28 at 19:05 +0000, Andrew Thompson wrote:
> > > Greetings,
> > > 
> > > Yesterday it was just one, but now I seem to have broken both the domUs 
> > > on my home Xen box. I 
> > > have rebuilt Xen from source twice now, and rebooted the dom0 a few times 
> > > but still no luck.
> > > 
> > > Basically, they no longer see eth0, and a vifx.x is not being generated 
> > > for them.
> > > 
> > Did you kill the dom0 with properly bringing it down before this started
> > to happen? I saw something similar on a power loss and battery expired
> > before I did an init 0/shutdown. Manually cleaning up the files took
> > care of the problem for me.
> Could you identify which files you cleaned up to bring your system back to 
> running? I went through /var/run/ deleting xen related stuff(which hosed it 
> up worse until i recreated some of them and rebooted), but was not able to 
> resolve the main issue.

>From what I recall, /var/lib/xenstored/* and /var/lib/xend/* where all I
blew away. I may have redone an install from the dist dir as well. This
was a few months back, somewhere around changeset 7500 or so before 3.0
release. Worst case you can wipe all the xen stuff and just reinstall,
probably want to be running a non xen kernel when doing this though :-)
Do back up your domU configs though.

I would make sure you did not induce something first, I only got here
after a hard system crash and check the archives against the errors in
your log files.

If you rebuilt without hotplug support in your dom0 kernel the log entry
is crystal clear.


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