* Re: Bug#629865: xen-linux-system-2.6.26-2-xen-amd64 causes system crash when using aacraid driver
[not found] <20110609001421.31586.45135.reportbug@s5f.fillz.com>
@ 2011-06-09 1:02 ` Ben Hutchings
0 siblings, 0 replies; only message in thread
From: Ben Hutchings @ 2011-06-09 1:02 UTC (permalink / raw)
To: Tim Vaillancourt, Adaptec OEM Raid Solutions; +Cc: 629865, linux-scsi
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On Wed, 2011-06-08 at 19:14 -0500, Tim Vaillancourt wrote:
> Package: xen-linux-system-2.6.26-2-xen-amd64
> Version: 2.6.26-26lenny1
> Severity: critical
> Justification: breaks the whole system
>
>
> Similar to: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=596419,
> we have several Debian lenny systems running Xen that crash at the
> aacraid driver ('drivers/scsi/aacraid/aachba.c:2825') when using the
> 2.6.26-26lenny1 version of the kernel. In our situation, this will
> happen every few days, maybe once a week while we run an IO/CPU heavy
> backup using 'duplicity'.
[...]
If this driver is ever unable to set up DMA then it crashes. This means
it's broken in any system with an IOMMU (including Xen's software
IOMMU).
The same bug exists in mainline Linux today.
Ben.
--
Ben Hutchings
Lowery's Law:
If it jams, force it. If it breaks, it needed replacing anyway.
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2011-06-09 1:02 ` Bug#629865: xen-linux-system-2.6.26-2-xen-amd64 causes system crash when using aacraid driver Ben Hutchings
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