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

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Message-ID: <CAKocOOMrTf9RMa17Zy_oK+uPJ_B7uNwxhsX7dOm4okVdnmwY5A@mail.gmail.com>
Date:	Thu, 17 Jan 2013 16:21:18 -0700
From:	Shuah Khan <shuahkhan@...il.com>
To:	"Deucher, Alexander" <Alexander.Deucher@....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

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

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
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