Re: [Xen-devel] Re: ATI radeon fails with "iommu=soft swiotlb=force" (seen on RV730/RV740 and RS780/RS800)

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

On 10/01/09 23:58, Boris Derzhavets wrote:
> Dmesg report attached:-
>
> [   18.088588] mtrr: type mismatch for d0000000,10000000 old:
> write-back new: write-combining
> [   18.088653] mtrr: type mismatch for d0000000,10000000 old:
> write-back new: write-combining
> [   18.338143] mtrr: type mismatch for d0000000,10000000 old:
> write-back new: write-combining
> [   18.338214] mtrr: type mismatch for d0000000,10000000 old:
> write-back new: write-combining
> [   18.338270] mtrr: type mismatch for d0000000,10000000 old:
> write-back new: write-combining
> [   18.378688] ------------[ cut here ]------------
> [   18.378696] kernel BUG at mm/slab.c:521!
>

OK, I have a fix for this.  I'll commit it shortly.

    J

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