I had similar problems on one machine which has been solved by adding
pci=routeirq to the kernel parameters at boot time.
I somewhat sure that your problem is caused by other issues, but ...
maybe it helps ;)
Regards,
Stephan
Sebastian Reitenbach schrieb:
> Hi,
> Igor Chubin <igor@xxxxxxx> wrote:
>>> same problem here and it can be reproduced. I use Gentoo 2007.0 with Xen
>>> 3.1.2 and kernel 2.6.22 (xen-sources) in 64bit mode.
>>> The Server is a Dual Opteron 275 running in PV mode.
>>> The Dom0 freezes every time if you generate system high-load, for
> example
>>> starting a boinc-client or doing big filesystem transfers.
>>> -> Network hangs, SATA Devices time out
>> The problem I have mentioned earlier
>> as far as I remember is on a Gentoo system too.
>> But there are no problems with the disk.
>> Only network.
>
> I think this is the problem here too. Over Christmas I downloaded the
> opensuse KOTD, hoping that it maybe fixes the problem. the dom0 was
> disconnected from network, and I had two domU's running, and I copied a 650
> MB file between these two via scp, for thousand times.
>
> Two days ago, I connected the dom0 to the network again, and started using
> the domU's as file/print/... servers again.
> It took about an hour, and the server was frozen again, without any notice
> in /var/log/messages.
>
> I created a bugreport, maybe you can add your observations there too.
>
> http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1131
>
>> May be if they try to generate big load on the system,
>> disk drives will hang too.
>>
>>> Normally the system freezes every 2 hours.
>> At that case much more seldom.
>> Guys have said me that it hangs every several days
>> (but if it wants to it can hang several times a day).
>>
>>> I tried to play with the Xen version compatibility in the kernel, but
> that
>>> doesn't make a difference.
>>>
>>> Due to the HDD timeout I can't find anything in the logs...
>>>
>> Just a guess:
>>
>> it may not be related to Xen baloon driver?
>>
>> Do you use dom0_mem as a parameter for the hypervisor?
> I use dom0_mem, yes, but with and without this parameter, in both cases the
> dom0 froze.
>
> kind regards
> Sebastian
>
>
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