On Wed, Dec 16, 2009 at 03:58:30PM +0100, Johannes Hirte wrote: > Am Mittwoch 16 Dezember 2009 08:14:43 schrieb Borislav Petkov: > > On Tue, Dec 15, 2009 at 11:00:46PM +0100, Johannes Hirte wrote: > > > This patch (as the BIOS option) will only disable the error reports. The > > > error itself will still occur, right? So necessary to find out why the > > > radeon driver trigger this error. > > > > Because the graphics driver does aperture accesses with no > > matching GART translation, and the hw generates mchecks for > > that. The whole story on GART table walk errors is in section > > "13.10.1 GART Table Walk Error Reporting" in the document here: > > http://support.amd.com/us/Processor_TechDocs/32559.pdf > > > > I can't say for sure about your BIOS, but if it is done as described in > > the abovementioned section, the BIOS option should disable logging of > > the error, which implies reporting too. > > > > The patch is still needed for machines that do not have that BIOS > > option. > > Disabling in BIOS doesn't made any difference. The errors were still > reported. > Your patch disabled it. But I think this will make work harder for driver > developers as they won't get this error anymore. Could this be made > changeable > on runtime/boottime? > > I've added drm people to CC as they're responsible for this error. > > > regards, > Johannes
More context would be usefull. Are you using KMS ? If so is your userspace KMS capable ? Does this GART error happen all the time or only after sometimes or when doing somethings specific ? Cheers, Jerome ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel