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xen-users
Re: [Xen-users] kernel panic PCI-DMA: Random memory would be DMAed
Hi Zak,
Could you please post this report, plus details of the full error message to
the xen-devel list. My guess would be that you've got a driver which is
interacting badly with Xen's memory management.
What kernel are you using?
Cheers,
Mark
> I am attempting to run Xen 3.1.1 on a HP DL385 G2 box (opteron based
> system), using Gentoo. The machine will boot, and I can login and edit
> files etc, but as soon as I do anything more intensive such as copying
> files off a cdrom (making me think it is a cciss driver problem) or running
> make, I get the following :
>
> kernel panic not syncing: PCI-DMA: Random memory would be DMAed
>
> Searching on this doesn't come up with much except the source code where
> this error message is written out. The comment there indicates there is an
> IOMMU problem, but I am not sure where to go from there. I am pretty sure
> it is not a hardware issue since, when booting with a non-xen kernel and
> the same file system, no problem. Anyone have any ideas or run into this
> problem before?
>
> As a side note, I have two of these boxes which are identical, and I have
> successfully installed XenExpress on one of them, in the hopes of finding
> something there.
>
> Thanks,
>
> Zak
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
--
Dave: Just a question. What use is a unicyle with no seat? And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!
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