Re: [Xen-users] Ethernet/iSCSI related System Crash (Xen dom0).

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Dec 20, 2011 at 04:20:56PM +0100, Peter Gansterer wrote:
> Short update on our issue:
> 
> - panic=100 does not seem to work with Xen.
> - 2.6.38 (Xen patches by gentoo) runs stable with iSCSI!
> 
> So it seems to be an issue that occurs since 3.x kernels or it is
> something already fixed in gentoo/suse patches that didn't make it
> upstream ...
> 
> Can you please tell me, what would be the best way to inform developers?

Capture a full crash/oops log using a serial console:
http://wiki.xen.org/xenwiki/XenSerialConsole

> - Where can I post the issue?

To xen-devel mailinglist.

> - What information will be required?
> 

Full serial console log as text, including Xen hypervisor (xen.gz) output 
and dom0 Linux kernel output, all the way from boot to the point where it 
crashes.

-- Pasi


> thx,
> - peter.
> 
> On Mon, December 19, 2011 21:34, Florian Heigl wrote:
> > 2011/12/19 Peter Gansterer <peter.gansterer@xxxxxxxxxxxxx>:
> >> Hi again,
> >>
> >> It seems to be somehow iSCSI-related after all.
> >> Today's tests showed:
> >> - We could not reproduce the crash using NFS only.
> >>  (Altho it DID crash when copying the system via NFS ... maybe we had
> >>   accessed an iSCSI device before and the kernel was left in some
> >>   erroneous state).
> >> - It still reliably crashes when accessing iSCSI.
> >
> > Please try setting panic=100 on the kernel command line. If you're
> > lucky, this will result in a 100 second delay prior to the dom0
> > restart.
> > But I didn't have success when I tested that. I'm assuming that Xen
> > auto-reacts on a dom0 crash. Anyway, please give it a try.
> >
> > As to your actual problem: Sorry. no idea.
> >
> 
> 
> -- 
> Peter Gansterer
> 
> PARADIGMA Unternehmensberatung GmbH
> Mariahilferstraße 47/1/3
> A-1060 Wien
> Tel: 0043-(0)1-585 49 72
> http://www.paradigma.net
> 
> Firmenbuchnummer: FN 134564 p
> Rechtsform: GmbH
> Firmenbuchgericht: Handelsgericht Wien
> 
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users