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

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Message-ID: <CA+5PVA5XHcKVCngCf2gBDbPaZoWDhbh5Tk+=z_sAg-dwkcgoOw@mail.gmail.com>
Date:	Tue, 10 Dec 2013 18:28:00 -0500
From:	Josh Boyer <jwboyer@...oraproject.org>
To:	"Deucher, Alexander" <Alexander.Deucher@....com>
Cc:	Guenter Roeck <linux@...ck-us.net>,
	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 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!

josh
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