linux-kernel - RE: linux 3.8-rc3 reboot and shutdown

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Date:	Fri, 18 Jan 2013 00:35:56 +0000
From:	"Deucher, Alexander" <Alexander.Deucher@....com>
To:	Shuah Khan <shuahkhan@...il.com>
CC:	"jglisse@...hat.com" <jglisse@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: linux 3.8-rc3 reboot and shutdown

> -----Original Message-----
> From: Shuah Khan [mailto:shuahkhan@...il.com]
> Sent: Thursday, January 17, 2013 7:26 PM
> To: Deucher, Alexander
> Cc: jglisse@...hat.com; linux-kernel@...r.kernel.org
> Subject: Re: linux 3.8-rc3 reboot and shutdown
> 
> On Thu, Jan 17, 2013 at 4:48 PM, Deucher, Alexander
> <Alexander.Deucher@....com> wrote:
> >> -----Original Message-----
> >> From: Shuah Khan [mailto:shuahkhan@...il.com]
> >> Sent: Thursday, January 17, 2013 6:21 PM
> >> To: Deucher, Alexander
> >> Cc: jglisse@...hat.com; linux-kernel@...r.kernel.org
> >> Subject: Re: linux 3.8-rc3 reboot and shutdown
> >>
> >> On Thu, Jan 17, 2013 at 12:45 PM, Deucher, Alexander
> >> <Alexander.Deucher@....com> wrote:
> >> >> -----Original Message-----
> >> >> From: Shuah Khan [mailto:shuahkhan@...il.com]
> >> >> Sent: Thursday, January 17, 2013 2:03 PM
> >> >> To: jglisse@...hat.com; Deucher, Alexander
> >> >> Cc: linux-kernel@...r.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
> 
> No reboot still hung after applying
> 0001-drm-radeon-don-t-attempt-to-soft-reset-DMA-ring-on-r.patch  in
> addition to 19fc42ed9950d5fe17089c0a928121047c882092

Can you send me the dmesg from the failed reboot?

Alex

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