Messages in this thread | | | From | "Deucher, Alexander" <> | Subject | RE: Linux 6.1-rc1 drm/amdgpu regression | Date | Wed, 19 Oct 2022 21:24:15 +0000 |
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> -----Original Message----- > From: Shuah Khan <skhan@linuxfoundation.org> > Sent: Wednesday, October 19, 2022 5:00 PM > To: Deucher, Alexander <Alexander.Deucher@amd.com> > Cc: Linus Torvalds <torvalds@linux-foundation.org>; linux- > kernel@vger.kernel.org; Shuah Khan <skhan@linuxfoundation.org> > Subject: Re: Linux 6.1-rc1 drm/amdgpu regression > > On 10/19/22 14:27, Deucher, Alexander wrote: > > [AMD Official Use Only - General] > > > >> -----Original Message----- > >> From: Shuah Khan <skhan@linuxfoundation.org> > >> Sent: Wednesday, October 19, 2022 4:00 PM > >> To: Deucher, Alexander <Alexander.Deucher@amd.com> > >> Cc: Linus Torvalds <torvalds@linux-foundation.org>; Shuah Khan > >> <skhan@linuxfoundation.org>; linux-kernel@vger.kernel.org > >> Subject: Linux 6.1-rc1 drm/amdgpu regression > >> > >> Hi Alex, > >> > >> I am seeing the same problem I sent reverts for on 5.10.147 on Linux > >> 6.1-rc1 on my laptop with AMD Ryzen 7 PRO 5850U with Radeon Graphics. > >> > >> commit e3163bc8ffdfdb405e10530b140135b2ee487f89 > >> Author: Alex Deucher <alexander.deucher@amd.com> > >> Date: Fri Sep 9 11:53:27 2022 -0400 > >> > >> drm/amdgpu: move nbio sdma_doorbell_range() into sdma code for > >> vega > >> > >> I see that the following has been reverted in Linux 6.1-rc1 > >> > >> commit 66f99628eb24409cb8feb5061f78283c8b65f820 > >> Author: Hamza Mahfooz <hamza.mahfooz@amd.com> > >> Date: Tue Sep 6 15:01:49 2022 -0400 > >> > >> drm/amdgpu: use dirty framebuffer helper > >> > >> However I still see the following filling dmesg and system is unusable. > >> For now I switched back to Linux 6.0 as this is my primary system. > >> > >> [drm] Fence fallback timer expired on ring sdma0 [drm] Fence fallback > >> timer expired on ring gfx [drm] Fence fallback timer expired on ring > >> sdma0 [drm] Fence fallback timer expired on ring gfx [drm] Fence > >> fallback timer expired on ring sdma0 [drm] Fence fallback timer > >> expired on ring sdma0 [drm] Fence fallback timer expired on ring > >> sdma0 [drm] Fence fallback timer expired on ring gfx > >> > >> Please let me know if I should send revert for this for the mainline as well. > >> > > > > Can you file a bug report > (https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitl > ab.freedesktop.org%2Fdrm%2Famd%2F- > %2Fissues&data=05%7C01%7CAlexander.Deucher%40amd.com%7C61b > 64b1be7294b27eb2308dab214dbe2%7C3dd8961fe4884e608e11a82d994e183d > %7C0%7C0%7C638018099904584274%7CUnknown%7CTWFpbGZsb3d8eyJWIj > oiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3 > 000%7C%7C%7C&sdata=ZYA0bWZAGsxB91Bqcg1YAI704LhpISQX63bE67 > UVO%2Bs%3D&reserved=0) and attach your dmesg output? I'd like to > try and repro the issue if I can and provide some patches to test. I'd like to > avoid reverting the patch as that will break the driver for users using vega > dGPUs. > > Makes sense. I will file the bug and aattach dmesg. Since this is my primary > system, there will be some delay in getting this info. to you and testing any > patches you provide for testing. >
Actually I think I see what's wrong. Can you try the attached patch?
Alex [unhandled content-type:application/octet-stream] | |