linux-kernel - Re: Radeon crash with v3.13-rc3-157-g17b2112

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Date:	Tue, 10 Dec 2013 16:58:31 -0800
From:	Guenter Roeck <linux@...ck-us.net>
To:	"Deucher, Alexander" <Alexander.Deucher@....com>,
	Josh Boyer <jwboyer@...oraproject.org>
CC:	Dave Airlie <airlied@...hat.com>,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>,
	DRI mailing list <dri-devel@...ts.freedesktop.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: Radeon crash with v3.13-rc3-157-g17b2112

On 12/10/2013 03:38 PM, Deucher, Alexander wrote:
>> -----Original Message-----
>> From: jwboyer@...il.com [mailto:jwboyer@...il.com] On Behalf Of Josh
>> Boyer
>> Sent: Tuesday, December 10, 2013 6:28 PM
>> To: Deucher, Alexander
>> Cc: Guenter Roeck; Dave Airlie; Linux-Kernel@...r. Kernel. Org; DRI mailing
>> list; Linus Torvalds
>> Subject: Re: Radeon crash with v3.13-rc3-157-g17b2112
>>
>> On Tue, Dec 10, 2013 at 5:24 PM, Josh Boyer <jwboyer@...oraproject.org>
>> wrote:
>>> On Tue, Dec 10, 2013 at 5:07 PM, Deucher, Alexander
>>> <Alexander.Deucher@....com> wrote:
>>>>> -----Original Message-----
>>>>> From: jwboyer@...il.com [mailto:jwboyer@...il.com] On Behalf Of
>> Josh
>>>>> Boyer
>>>>> Sent: Tuesday, December 10, 2013 5:04 PM
>>>>> To: Deucher, Alexander; Guenter Roeck; Dave Airlie
>>>>> Cc: Linux-Kernel@...r. Kernel. Org; DRI mailing list; Linus Torvalds
>>>>> Subject: Radeon crash with v3.13-rc3-157-g17b2112
>>>>>
>>>>> Hi All,
>>>>>
>>>>> Booting today's rawhide kernel fails on my Dell XPS 8300 machine.  I
>>>>> added nomodeset to the command line because it seemed to glitch out
>>>>> when doing the handoff to the radeon driver and that let me boot far
>>>>> enough to start networking.  I then loaded the radeon driver with:
>>>>> modprobe radeon modeset=1 and was greeted with the backtrace
>> below.
>>>>>
>>>>> I haven't done a bisect yet, but I can if needs be.  I was hoping this
>>>>> would trigger someone's memory.  Plain 3.13-rc3 works, so it's
>>>>> something in the DRM merge that Linus did after -rc3.  Given the
>>>>> backtrace, this one might be suspect:
>>>>>
>>>>> commit ec39f64bba3421c2060fcbd1aeb6eec81fe0a42d
>>>>> Author: Guenter Roeck <linux@...ck-us.net>
>>>>> Date:   Fri Nov 22 21:52:00 2013 -0800
>>>>>
>>>>>      drm/radeon/dpm: Convert to use
>> devm_hwmon_register_with_groups
>>>>>
>>>>
>>>> Should be fixed by the patch in:
>>>> https://bugs.freedesktop.org/show_bug.cgi?id=72457
>>>
>>> OK.  I'll give that a spin soon.  Thanks for the quick reply!
>>
>> Yep, that seems to have fixed the crash.  I've added it to rawhide.  Thanks!
>
> It'll also be in my next -fixes pull.
>

Thanks, and sorry for the trouble.

Guenter

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