Re: [Bug #14862] intel-agp breaks X, regression from 2.6.31

[Zephaniah E. Hull]

On Tue, Dec 29, 2009 at 01:42:20PM -0500, Zephaniah E. Hull wrote:
> On Tue, Dec 29, 2009 at 04:28:51PM +0100, Rafael J. Wysocki wrote:
> > Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=14862
> > Subject		: intel-agp breaks X, regression from 2.6.31
> > Submitter	: Zephaniah E. Hull. <warp-spam_kernel@xxxxxxxxxxx>
> > Date		: 2009-12-22 22:59 (8 days old)
> 
> I plan on testing 2.6.32.2 later today in hopes that some of the IOMMU
> changes will have done something in regards to this.

#14627 and this bug are duplicates.

Bugs #14900, and #14728 look very suspiciously like they might be the
same thing as well.

I would be interested to see if commenting out:
'#define USE_PCI_DMA_API 1' in drivers/char/agp/intel-agp.c fixes the
problem for those bugs as well.

I suspect that some better run time checking is called for here.

Zephaniah E. Hull.
(And please keep me on the CC list, I am not subscribed to LKML or KTL.)
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