Re: [Xen-users] Re: dom0 crashes

[Bernhard Schmidt <berni@xxxxxxxxxxxxx>]

Steven wrote:

Hi,

> You might have to delete all files in /var/lib/xenstored/
> This solved it for me on CentOs 5
Didn't help. It appears to have been a hardware issue after all, I had 
my hoster replace the mainboard for one with an AMD chipset and it was 
still crashing. After replacing RAM, CPU and Power Supply the machine 
has been stable for over a week now. Again note that all possible test 
tools (memtest86+, cpuburn, compression/decompression/md5 in a loop) 
worked fine.
Still a little bit too early to be sure (I once had an uptime of >1 week 
before, although without load), but it looks like a solution. I'll keep 
looking for one more week and close the bugzilla report I opened.
> > > > > I think it lives substantially longer when no domU is running at all,
> > > > > but I'm not exactly sure and I don't know how long I will have that
> > > > > Peppercon thing, so I'd rather not sit a week waiting for a crash
> > > > > without domU.
> > > > >         
> > > > Crashed again without domU, I'm going to downgrade now.
> > > >       
> > > Downgrading to 3.0.4 did not work (the 2.6.16.33 kernel does not
> > > find/use my VIA SATA controller), upgrading to 3.0-unstable (from hg)
> > > exposes the very same problem, freeze of dom0 within minutes to hours.
> > >
> > > Informations with xen 3.1.0:
> > > xm dmesg: http://users.birkenwald.de/~berni/volatile/xm_dmesg.txt
> > > xm info:  http://users.birkenwald.de/~berni/volatile/xm_info.txt
> > > dmesg:    http://users.birkenwald.de/~berni/volatile/dmesg.txt
> > > dom0 conf: http://users.birkenwald.de/~berni/volatile/xen.config
> > >
> > > The machine is perfectly stable with Kernel 2.6.18-4-amd, I've been
> > > doing bzip2/bunzip2/diff in a loop for half a day now, no issues.
> > > Memtest86+ is currently running, but does not show any issues as well.
> > >
> > > Any more information needed? Should I open a bugreport?
> > >
> > > Regards,
> > > Bernhard
> > >
> > >     
> > Yes you need to submit a bug report. It looks like you've done a good
> > amount of testing on your own, its time to at least open an issue with 
> > the
> > developers. I personally don't know what else could be going on.
Regards,
Bernhard

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