Re: kern/43650: NetBSD 5.0.2 DomU crashes on bigger file operations

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Wed, Jul 21, 2010 at 07:30:00PM +0000, bbartlomiej%gmail.com@localhost wrote:
> >Number:         43650
> >Category:       kern
> >Synopsis:       NetBSD 5.0.2 DomU crashes on bigger file operations
> >Confidential:   no
> >Severity:       critical
> >Priority:       high
> >Responsible:    kern-bug-people
> >State:          open
> >Class:          support
> >Submitter-Id:   net
> >Arrival-Date:   Wed Jul 21 19:30:00 +0000 2010
> >Originator:     Bartek Krawczyk
> >Release:        5.0.2
> >Organization:
> >Environment:
> NetBSD netbsd.pentaxian.pl 5.0.2 NetBSD 5.0.2 (XEN3PAE_DOMU) #0: Sat Feb  6 
> 17:52:02 UTC 2010  
> builds%b7.netbsd.org@localhost:/home/builds/ab/netbsd-5-0-2-RELEASE/i386/201002061851Z-obj/home/builds/ab/netbsd-5-0-2-RELEASE/src/sys/arch/i386/compile/XEN3PAE_DOMU
>  i386
> 
> >Description:
> When doing some more intensive filesystem work (e.g. compiling from pkgsrc or 
> copying a directory with lots of files in it) NetBSD domU panics. It doesn't 
> matter if I enable softdep or not. This is what i get on "xm console" on Dom0 
> (which is a Debian Stable):
> 
> 
> panic: xen_failsafe_handler called!

The real question is: why does the hypervisor enter the guest's
failsafe_callback. What Xen version is the hypervisor ?
Any chance to run a debug hypervisor and see if anything shows up
in 'xen dmesg' ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--