On 05/15/2018 04:03 AM, Nath, Arindam wrote: > Adding Tom. > > Hi Joe, > > My original patch was never accepted. Tom and Joerg worked on another patch > series which was supposed to fix the issue in question in addition to do some > code cleanups. I believe their patches are already in the mainline. If I > remember correctly, one of the patches disabled PCI ATS for the graphics card > which was causing the issue. > > Do you still see the issue with latest mainline kernel? > > BR, > Arindam > > -----Original Message----- > From: Joseph Salisbury [mailto:joseph.salisb...@canonical.com] > Sent: Tuesday, May 15, 2018 1:17 AM > To: Nath, Arindam <arindam.n...@amd.com> > Cc: io...@lists.linux-foundation.org; Bridgman, John <john.bridg...@amd.com>; > j...@8bytes.org; amd-gfx@lists.freedesktop.org; dr...@endlessm.com; > stein...@gmail.com; Suthikulpanit, Suravee <suravee.suthikulpa...@amd.com>; > Deucher, Alexander <alexander.deuc...@amd.com>; Kuehling, Felix > <felix.kuehl...@amd.com>; li...@endlessm.com; mic...@daenzer.net; > 1747...@bugs.launchpad.net > Subject: iommu/amd: flush IOTLB for specific domains only (v2) > > Hello Arindam, > > There is a bug report[0] that you created a patch[1] for a while back. > However, the patch never landed in mainline. There is a bug reporter in > Ubuntu[2] that is affected by this bug and is willing to test the patch. I > attempted to build a test kernel with the patch, but it does not apply to > currently mainline cleanly. Do you still think this patch may resolve this > bug? If so, is there a version of your patch available that will apply to > current mainline? > > Thanks, > > Joe > > [0] https://bugs.freedesktop.org/show_bug.cgi?id=101029 > [1] https://patchwork.freedesktop.org/patch/157327/ > [2] http://pad.lv/1747463 > Hi Arindam,
Thanks for the feedback. Yes, the latest mainline kernel was tested, and it is reported the bug still happens in the Ubuntu kernel bug[0]. Is there any specific diagnostic info we can collect that might help? Thanks, Joe [0] http://pad.lv/1747463 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
