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

Rafael J. Wysocki
2009-12-29T21:34:19Z

On Tuesday 29 December 2009, Zephaniah E. Hull wrote:
> 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@aehallh.com>
> > > 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.

Thanks for the update.

David, has there been any progress with bug #14627?

Rafael