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Bug#626189: linux-image-2.6.32-5-xen-686: kernel BUG (invalid opcode) on reboot -f

On Mon, 2011-05-09 at 19:55 +0200, Ferenc Wagner wrote:
> Package: linux-image-2.6.32-5-xen-686
> Version: 2.6.32-31
> Severity: normal
> Hi,
> As a STONITH measure, I issued reboot -f on a Xen dom0 while several
> domUs were running.  This didn't kill the machine but resulted in the
> BUGs below, and made further interaction impossible, although the kernel
> was running and some firewall logs even made it through the syslog daemon.
> Of course I didn't try to reproduce the issue (it's a production system in
> active/backup HA), but I'm willing to do further experiments that don't
> risk further data loss if needed.  This happened on a perfectly stock and
> up-to-date squeeze Xen system running several PV guests.

2.6.32-34 (in stable-proposed-updates) contains fixes to vmalloc syncing
and vunmap which can both have an impact on both LVM and XFS. I think it
would be worth trying that updated kernel.


Ian Campbell

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