linux-kernel - Re: regression(?) 3.3-rc4 -> 3.3-rc5: drm intel hangs

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Message-ID: <20120309080741.GC7149@gamma.logic.tuwien.ac.at>
Date:	Fri, 9 Mar 2012 17:07:41 +0900
From:	Norbert Preining <preining@...ic.at>
To:	linux-kernel@...r.kernel.org, dri-devel@...ts.sourceforge.net
Subject: Re: regression(?) 3.3-rc4 -> 3.3-rc5: drm intel hangs

Hi everyone,

currently 3.3.0-rc6+  I just was hit by that after wake up from ram:

On Di, 28 Feb 2012, Daniel Vetter wrote:
> > Feb 28 11:42:47 mithrandir kernel: [15627.756071]
> > [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
> > Feb 28 11:42:47 mithrandir kernel: [15627.756087] [drm] capturing error
> > event; look for more information in /debug/dri/0/i915_error_state
> 
> Wee need this i915_error_state file from debugfs (you might need to mount
> that first again) to diagnose gpu hangs. Also, it only contains
> information after a crash, so you need to rehang your machine if you've
> rebooted since then.

Now I could get that file from debugfs, and the dmesg output with
proper debug value.

Attached are both.

Please let me know if I can provide any other information.

Best wishes

Norbert
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Norbert Preining            preining@...ist.ac.jp, logic.at, debian.org}
JAIST, Japan                                 TeX Live & Debian Developer
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