Re: [Xen-devel] Arbitrary reboot with xen 3.4.x

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Nov 19, 2009 at 07:06:56PM +0100, Guillaume Rousse wrote:
> Hello.
> 
> I've a dom0 working perfectly under xen 3.3.x, with a bout 15 HVM domU. 
> When migrating to xen 3.4.1, with the same dom0 kernel (2.6.27.37), 
> everything seems to be fine, I can launch the various hosts, but 5 to 10 
> minutes later, the host violently reboot... I can't find any trace in 
> the logs. I do have a second host with the same configuration and setup, 
> and the result is similar. It seems to be linked with domU activity, 
> because without any domU, or without any domU with actual activity, I 
> don't have any reboot. I had to rollback to xen 3.3.0.
> 

Did you try the new Xen 3.4.2 ?

> I already attempted such upgrade to xen 3.4.0 this summer, with exactly 
> the same result.
> 

Ok..

> It seems like an hardware issue (but it doesn't appears with 3.3.0), or 
> a crash in the hypervisor, than syslog is unable to catch when it 
> appears. How can I try to get a trace ?
>

You should setup a serial console, so you can capture and
log the full console (xen + dom0 kernel) output to other computer..

-- Pasi


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