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SubjectRe: [Bugme-new] [Bug 14003] New: Infinite loop on bootup while handling DMAR
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On Wed, 2009-08-19 at 14:26 -0700, Andrew Morton wrote:
> (switched to email. Please respond via emailed reply-to-all, not via the
> bugzilla web interface).
>
> On Tue, 18 Aug 2009 14:54:22 GMT bugzilla-daemon@bugzilla.kernel.org wrote:
>
> > http://bugzilla.kernel.org/show_bug.cgi?id=14003
> >
> > Summary: Infinite loop on bootup while handling DMAR
>
> That's a box-killing post-2.6.30 regression.
>
> >
> > Booting 64bit 2.6.31-rc6 on a hp xw4600 results in an infinite loop of
> >
> > DMAR:[DMA READ] Request device [ff:1f.7] fault addr fffffffffffff000
> > DMAR:[fault reason 255] Unknown

I think David has a fix queued up for this already. Please check
http://git.infradead.org/iommu-2.6.git/commit/0815565a

thanks,
suresh



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