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

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

The following reply was made to PR kern/43650; it has been noted by GNATS.

From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: kern-bug-people%NetBSD.org@localhost, gnats-admin%NetBSD.org@localhost, 
netbsd-bugs%NetBSD.org@localhost
Subject: Re: kern/43650: NetBSD 5.0.2 DomU crashes on bigger file operations
Date: Wed, 21 Jul 2010 22:20:24 +0200

 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
 --