> -----Original Message-----
> From: Schober Walter [mailto:Walter.Schober@xxxxxxxxx]
> Sent: 18 May 2007 11:35
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Cc: Petersson, Mats
> Subject: RE: [Xen-users] How do I find out why Dom0 crashes
> on guest startup?
>
> Thanks Mats! I can do a remote serial console via iLO2 on com2: but
> cannot cut&paste from it (Hello HP!) - so I have screenshots only (can
> send them on request) ...
>
> Finally it tells me
> Panic on CPU 2:
> CPU2 FATAL PAGE FAULT
> [error_code=0000]
> Faulting linear address: 000000000000000
>
> It happens on the
> (XEN) (GUEST: 1) Starting emulated 16-bit real-mode: ip=0600:000
>
> Stack Trace can be sent on request as JPG.
I think a stack-trace would be useful here. I suspect its' someplace in
the HVM/VMX (or SVM) code, but it's much easier to tell what's going on
from a stack-trace.
--
Mats
>
> br
> Walter
>
> -----Original Message-----
> From: Petersson, Mats [mailto:Mats.Petersson@xxxxxxx]
> Sent: Friday, May 18, 2007 12:12 PM
> To: Schober Walter; xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [Xen-users] How do I find out why Dom0 crashes on guest
> startup?
>
>
>
> > -----Original Message-----
> > From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> > [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
> > Schober Walter
> > Sent: 18 May 2007 11:08
> > To: xen-users@xxxxxxxxxxxxxxxxxxx
> > Subject: [Xen-users] How do I find out why Dom0 crashes on
> > guest startup?
> >
> > Before Wednesday all run fine. Then I must have done
> > something - I tried to get rid of those IPMI error messages
> > on starting hpasm, installed the latest RPMs from HP website
> > - but can't tell exactly when it started that the DomU
> > startup crashed my Dom0.
> >
> > Anyway ... How can I find out now, what exactly causes my Dom0
> > to crash? Which logs would tell me that?
> >
> > /var/log/messages: Sometimes xenbr changes into forwarding of
> > tap0 before, sometimes not.
> > /var/log/xen/xend.log: The only thing that sounds strange:
> > [2007-05-18 11:56:58 xend 3475] DEBUG (XendDomain:153) number
> > of vcpus to use is 0
> >
> > Meanwhile: hp-OpenIMPI, hpasm, hprsm, cmanic removed,
> > OpenIPMI removed.
> >
> > Still, the Dom0 crashed (just reboots, no output on Display,
> > SSH connection interrupted) on starting a DomU.
>
> Are you able to get serial output from the server to another machine?
>
> If so, set xen to use "console=com1 com1=115200,8n1".
>
> If not, try adding "noreboot".
>
> [Both of these are arguments on the "xen.gz" line in your
> /boot/grub/grub.conf]
>
> --
> Mats
> >
> > System: Centos 5 x86_64 @ HP DL360G5, latest yum update done.
> >
> > Will attach more info on config, when needed.
> >
> > Many thanks!
> > Walter
> >
> >
> >
>
>
>
>
>
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