On Fri, Apr 15, 2011 at 10:33 AM, Joerg Roedel <joro@xxxxxxxxxx> wrote: > On Fri, Apr 15, 2011 at 03:16:50PM +0200, Ingo Molnar wrote: >> Ok, but how did the allocation changes start triggering this error in >> v2.6.39-rc1? There must still be some layout specific thing here, right? >> Do we understand the details of that as well? > > No, I must admit that I lack enough knowledge about the GPU hardware to > make an guess how this tanslation-request happened. All I can tell is > the address that was reported in the MCE, it is 0xa0001000 (==the second > page of the GART aperture). > > Maybe Alex can help here. Alex, may it be possible that the GPU > generates DMA requests in the GTT area before the GTT is activated (or > the activation is completed)? Or can you imagine any other reason? It shouldn't. The driver binds a dummy page to all entries in the table at init time and whenever the actual pages are unbound. Alex _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
