Bug#709989: linux-image-3.2.0-0.bpo.4-amd64: General protection fault after I/O on ext3 in KVM

2013-05-28 Thread Vlastimil Holer
Bastian Blank wrote: ** Tainted: PDO (4225) * Proprietary module has been loaded. * Kernel has oopsed before. * Out-of-tree module has been loaded. You have unsupported modules loaded. Please remove them and try again. OK, somehow I could reproduce the problem today simply with

Bug#709989: linux-image-3.2.0-0.bpo.4-amd64: General protection fault after I/O on ext3 in KVM

2013-05-27 Thread Vlastimil Holer
Package: src:linux Version: 3.2.41-2+deb7u2~bpo60+1 Severity: important We have experienced several GPF on ext3 with VMs running latest Debian 6.0.7 (kernel 3.2.41-2+deb7u2~bpo60+1 from Squeeze backports). VMs are running on Debian 7.0 (kernel 3.2.41-2+deb7u2) hosts under QEMU/KVM 1.4.1

Bug#709989: linux-image-3.2.0-0.bpo.4-amd64: General protection fault after I/O on ext3 in KVM

2013-05-27 Thread Ben Hutchings
Control: tag -1 moreinfo On Mon, 2013-05-27 at 12:32 +0200, Vlastimil Holer wrote: Package: src:linux Version: 3.2.41-2+deb7u2~bpo60+1 Severity: important We have experienced several GPF on ext3 with VMs running latest Debian 6.0.7 (kernel 3.2.41-2+deb7u2~bpo60+1 from Squeeze backports).

Bug#709989: linux-image-3.2.0-0.bpo.4-amd64: General protection fault after I/O on ext3 in KVM

2013-05-27 Thread Bastian Blank
Control: tag -1 moreinfo On Mon, May 27, 2013 at 12:32:07PM +0200, Vlastimil Holer wrote: Filesystem is mounted with options: noatime,nodiratime,nosuid,data=writeback,barrier=0,errors=remount-ro Why do you disable barriers? ** Tainted: PDO (4225) * Proprietary module has been loaded. *

Bug#709989: linux-image-3.2.0-0.bpo.4-amd64: General protection fault after I/O on ext3 in KVM

2013-05-27 Thread Vlastimil Holer
Ben Hutchings wrote: Does this happen without openafs loaded? Until I can generate the problem, I can't confirm. From time to time it happens on 142 nodes HPC where OpenAFS is must. We have seen similar problem also with Ext4 (trace attached) with same kernel version, just little older revision.

Bug#709989: linux-image-3.2.0-0.bpo.4-amd64: General protection fault after I/O on ext3 in KVM

2013-05-27 Thread Vlastimil Holer
Bastian Blank wrote: Filesystem is mounted with options: noatime,nodiratime,nosuid,data=writeback,barrier=0,errors=remount-ro Why do you disable barriers? It's a scratch volume. We care only about performance. Problem appeared with defaults mount options as well. ** Tainted: PDO (4225)