[Public] > -----Original Message----- > From: Demi Marie Obenour <demi@xxxxxxxxxxxxxxxxxxxxxx> > Sent: Sunday, April 24, 2022 7:39 PM > To: Thorsten Leemhuis <regressions@xxxxxxxxxxxxx>; Greg KH > <gregkh@xxxxxxxxxxxxxxxxxxx> > Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx; regressions@xxxxxxxxxxxxxxx; > Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Koenig, Christian > <Christian.Koenig@xxxxxxx>; Pan, Xinhui <Xinhui.Pan@xxxxxxx> > Subject: Re: [REGRESSION] AMD GPU regression in 5.16.18..5.17.4 > > On Sun, Apr 24, 2022 at 11:02:43AM +0200, Thorsten Leemhuis wrote: > > CCing the amdgpu maintainers > > > > On 24.04.22 08:12, Greg KH wrote: > > > On Sat, Apr 23, 2022 at 12:06:33PM -0400, Demi Marie Obenour wrote: > > >> Two Qubes OS users reported that their AMD GPU systems did not > > >> work on 5.17.4, while 5.16.18 worked fine. Details can be found > > >> on https://github.com/QubesOS/qubes-issues/issues/7462. The > > >> initial report listed the GPU as “Advanced Micro Devices, Inc. > > >> [AMD/ATI] Renoir [1002:1636} (rev d3) (prog-if 00 [VGA > > >> controller])” and the CPU as “AMD Ryzen 5 PRO 4650U with Radeon Graphics”. > > >> > > >> #regzbot introduced: v5.16.18..v5.17.4 > > > > > > That's a big range, can you use 'git bisect' to track it down? > > > > FWIW, in another mail in this thread and > > https://github.com/QubesOS/qubes-issues/issues/7462#issuecomment- > 11076 > > 81126 it was clarified that the problem was introduced between > > 5.17.3 and 5.17.4, where a few amdgpu changes were applied. Maybe > > they are the reason. > > > > Anyway: Yes, as Gregkh said, a bisection really would help. But > > maybe the amdgfx developers might already have an idea what might be > > wrong here? The QubesOS ticket linked above has some more details. > > The reporter was able to bisect the regression. I am not surprised > that this commit caused problems for Qubes OS, as dom0 in Qubes OS is > technically a guest of Xen. > > #regzbot ^introduced: b818a5d374542ccec73dcfe578a081574029820e Can you please follow up on the bug ticket: https://gitlab.freedesktop.org/drm/amd/-/issues/1985 It will be easier to track everything there. Alex
