Messages in this thread | | | Date | Wed, 19 Oct 2022 19:16:31 -0600 | Subject | Re: Linux 6.1-rc1 drm/amdgpu regression | From | Shuah Khan <> |
| |
On 10/19/22 15:24, Deucher, Alexander wrote: > [Public] > >> -----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? >
This patch worked. Clean boot without any warns and timer expiry messages from drm/amdgpu.
thanks, -- Shuah
| |