From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zephaniah E. Hull" Subject: Re: [Bug #14862] intel-agp breaks X, regression from 2.6.31 Date: Tue, 29 Dec 2009 13:59:26 -0500 Message-ID: <20091229185926.GP19249@aehallh.com> References: <20091229184220.GO19249@aehallh.com> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <20091229184220.GO19249-K3duNNWoiDlBDgjK7y7TUQ@public.gmane.org> Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , warp-spam_kernel-K3duNNWoiDlBDgjK7y7TUQ@public.gmane.org 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. > > 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.)