Re: [Xen-devel] Kernel panic on Xen virtualisation in Debian

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, Aug 02, 2016 at 12:30:30PM +0200, Ingo Jürgensmann wrote:
> On 02.08.2016 11:20, Wei Liu wrote:
> >On Fri, Jul 29, 2016 at 10:17:22PM +0200, Ingo Jürgensmann wrote:
> >What is also interesting is that you seem to be running some sort of
> >ip accounting software (pmacctd) which also segfault'ed.
> 
> Yeah, it is segfaulting, because the database (in a domU VM) where it is
> storing the accounting is not yet available after the crash. When database
> is up&running, those segfaults go away.
> 

At least we can now rule out that it is not related to the issue you
reported.

> >Still not sure what to make of that though.
> 
> Me neither. ;-)
> 
> I already tried to get a core dump by setting ulimit -c unlimited, but that
> didn't work as well, which makes me believe that the crash happens in
> hypervisor not in dom0 kernel. When it's dom0 kernel I would expect dumping
> a core file should work.
> 

We can't draw the conclusion that the crash is in hypervisor yet. If
your dom0 crash, hypervisor would normally decide to reboot the machine.

Wei.

> -- 
> Ciao...          //        http://blog.windfluechter.net
>       Ingo     \X/     XMPP: ij@xxxxxxxxxxxxxxxxxxxxxxxx
> 
> 
> gpg pubkey:  http://www.juergensmann.de/ij_public_key.asc

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