Keir Fraser wrote:
> On 19/3/07 13:10, "Marc Petit-Huguenin" <marc@xxxxxxxxxxxxxxxxxx> wrote:
>
>> On a 8 Gbytes server installed with Xen from the GNU/Linux Debian
>> distribution (linux-image-2.6.18-4-xen-686 2.6.18.dfsg.1-11), I have the
>> attached kernel panic when running xen-create-image. In fact I have the
>> same kernel panic when I create the image on a different machine and
>> simply copy the files over an SSH session.
>>
>> The exact same machine with only 2 Gbytes of memory does not crash.
>>
>> Let me know if you need any other information.
>
> I suspect that your dom0 kernel is missing a workaround for a bug/issue in
> the Linux block-device code. I would recommend building a 2.6.18 kernel from
> xen-unstable.hg repository, or at least rebuilding your Debian dom0 kernel
> with the file arch/i386/kernel/swiotlb-xen.c replaced with the version from
> the xen-unstable.hg repository (or if that doesn't compile, take the version
> of the function __sync_single() and copy that into Debian's swiotlb-xen.c).
This fixed this problem. I will open a bug in Debian soon.
Thanks.
-- 
Marc Petit-Huguenin
Home: marc@xxxxxxxxxxxxxxxxxx
Work: marc@xxxxxxx
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