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Date: Tue, 14 Apr 2020 10:21:50 +0200 From: Greg KH <greg@...ah.com> To: Alex Deucher <alexdeucher@...il.com> Cc: Paul Menzel <pmenzel@...gen.mpg.de>, Prike Liang <Prike.Liang@....com>, Alex Deucher <alexander.deucher@....com>, regressions@...mhuis.info, David Airlie <airlied@...ux.ie>, Maling list - DRI developers <dri-devel@...ts.freedesktop.org>, X86 ML <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>, "for 3.8" <stable@...r.kernel.org>, Huang Rui <ray.huang@....com>, amd-gfx list <amd-gfx@...ts.freedesktop.org>, Daniel Vetter <daniel@...ll.ch>, Mengbing Wang <Mengbing.Wang@....com> Subject: Re: [regression 5.7-rc1] System does not power off, just halts On Mon, Apr 13, 2020 at 01:48:58PM -0400, Alex Deucher wrote: > On Mon, Apr 13, 2020 at 1:47 PM Paul Menzel <pmenzel@...gen.mpg.de> wrote: > > > > Dear Prike, dear Alex, dear Linux folks, > > > > > > Am 13.04.20 um 10:44 schrieb Paul Menzel: > > > > > A regression between causes a system with the AMD board MSI B350M MORTAR > > > (MS-7A37) with an AMD Ryzen 3 2200G not to power off any more but just > > > to halt. > > > > > > The regression is introduced in 9ebe5422ad6c..b032227c6293. I am in the > > > process to bisect this, but maybe somebody already has an idea. > > > > I found the Easter egg: > > > > > commit 487eca11a321ef33bcf4ca5adb3c0c4954db1b58 > > > Author: Prike Liang <Prike.Liang@....com> > > > Date: Tue Apr 7 20:21:26 2020 +0800 > > > > > > drm/amdgpu: fix gfx hang during suspend with video playback (v2) > > > > > > The system will be hang up during S3 suspend because of SMU is pending > > > for GC not respose the register CP_HQD_ACTIVE access request.This issue > > > root cause of accessing the GC register under enter GFX CGGPG and can > > > be fixed by disable GFX CGPG before perform suspend. > > > > > > v2: Use disable the GFX CGPG instead of RLC safe mode guard. > > > > > > Signed-off-by: Prike Liang <Prike.Liang@....com> > > > Tested-by: Mengbing Wang <Mengbing.Wang@....com> > > > Reviewed-by: Huang Rui <ray.huang@....com> > > > Signed-off-by: Alex Deucher <alexander.deucher@....com> > > > Cc: stable@...r.kernel.org > > > > It reverts cleanly on top of 5.7-rc1, and this fixes the issue. > > > > Greg, please do not apply this to the stable series. The commit message > > doesn’t even reference a issue/bug report, and doesn’t give a detailed > > problem description. What system is it? > > > > Dave, Alex, how to proceed? Revert? I created issue 1094 [1]. > > Already fixed: > https://patchwork.freedesktop.org/patch/361195/ Any reason that doesn't have a cc: stable tag on it? And is it committed to any tree at the moment? thanks, greg k-h
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