> -----Original Message----- > From: Shuah Khan [mailto:shuahk...@gmail.com] > Sent: Thursday, January 17, 2013 6:21 PM > To: Deucher, Alexander > Cc: jgli...@redhat.com; linux-kernel@vger.kernel.org > Subject: Re: linux 3.8-rc3 reboot and shutdown > > On Thu, Jan 17, 2013 at 12:45 PM, Deucher, Alexander > <alexander.deuc...@amd.com> wrote: > >> -----Original Message----- > >> From: Shuah Khan [mailto:shuahk...@gmail.com] > >> Sent: Thursday, January 17, 2013 2:03 PM > >> To: jgli...@redhat.com; Deucher, Alexander > >> Cc: linux-kernel@vger.kernel.org; Shuah Khan > >> Subject: linux 3.8-rc3 reboot and shutdown > >> > >> Alex, > >> > >> I started seeing hang during shutdown and reboot on my laptop that has > >> ATI radeon VGA. > >> > >> 01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee > >> ATI RV620 [Mobility Radeon HD 3400 Series] (prog-if 00 [VGA > >> controller]) > >> > >> My bisect narrowed it to the following commit. > > > > Should be fixed by this commit: > > http://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-fixes- > 3.8&id=19fc42ed9950d5fe17089c0a928121047c882092 > > Which should be finding its way upstream any day now. > > > > Alex > > > > Alex, > > Applied this patch on 3.8-rc3 and tested it. reboot still hung. The > only thing that fixes the problem is reverting > 71e3d1578c954cf29f1f4db1c8930d3574025eb0
Does the attached patch applied in addition to: http://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-fixes-3.8&id=19fc42ed9950d5fe17089c0a928121047c882092 fix the issue? Alex > > I am also seeing DMAR errors on this device starting 3.8-rc3 and I am > going to start bisecting that soon. Reverting > 71e3d1578c954cf29f1f4db1c8930d3574025eb0 doesn't help solve the DMAR > errors. > > -- Shuah
0001-drm-radeon-don-t-attempt-to-soft-reset-DMA-ring-on-r.patch
Description: 0001-drm-radeon-don-t-attempt-to-soft-reset-DMA-ring-on-r.patch