linux-kernel - Re: [git pull] drm next tree

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Message-ID: <4D89E5E1.3070402@earthlink.net>
Date:	Wed, 23 Mar 2011 08:21:53 -0400
From:	Stephen Clark <sclark46@...thlink.net>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Dave Airlie <airlied@...ux.ie>,
	Chris Wilson <chris@...is-wilson.co.uk>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Keith Packard <keithp@...thp.com>,
	DRI mailing list <dri-devel@...ts.freedesktop.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [git pull] drm next tree

On 03/22/2011 10:19 PM, Linus Torvalds wrote:
> So I had  hoped - yes, very naïve of me, I know - that this merge
> window would be different.
>
> But it's not.
>
> On Wed, Mar 16, 2011 at 9:09 PM, Dave Airlie<airlied@...ux.ie>  wrote:
>    
>> i915: big 855 fix, lots of output setup refactoring, lots of misc fixes.
>>      
> .. and apparently a lot of breakage too. My crappy laptop that I abuse
> for travel is - once more - broken by the updates. I cannot suspend
> and resume, because every resume seems to fail.
>
> One of the more useful failures was:
>
> [   61.656055] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
> elapsed... GPU hung
> [   61.656079] [drm] capturing error event; look for more information
> in /debug/dri/0/i915_error_state
> [   61.664387] [drm:i915_wait_request] *ERROR* i915_wait_request
> returns -11 (awaiting 2 at 0, next 3)
>
> and I'm attaching the error_state file from that particular case here.
> In other cases it seems to just hang entirely.
>
> Keith/Jesse/Chris - I don't know that it's i915, and it will take
> forever to bisect (I'll try). But it does seem pretty likely.
>
>                               Linus
>    
Why can't the gpu be reset/restarted when this happens? When a nic card 
gets hung it is reinitialized
and restarted why not the gpu?

-- 

"They that give up essential liberty to obtain temporary safety,
deserve neither liberty nor safety."  (Ben Franklin)

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