linux-kernel - Re: Atombios Execution timeout

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Message-ID: <20100419064717.GA2895@barney.localdomain>
Date:	Mon, 19 Apr 2010 08:47:17 +0200
From:	Jerome Glisse <jglisse@...hat.com>
To:	Parag Warudkar <parag.lkml@...il.com>
Cc:	linux-kernel@...r.kernel.org, airlied@...hat.com
Subject: Re: Atombios Execution timeout

On Sat, Apr 17, 2010 at 10:04:56PM -0400, Parag Warudkar wrote:
> Hi Jerome,
> 
> On my laptop with a HD3650 GPU, during resume from RAM I get the 
> below errors -
> 
> [   80.484213] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more 
> than 1sec aborting
> [   80.484218] [drm:atom_execute_table_locked] *ERROR* atombios stuck 
> executing FA30 (len 493, WS 0, PS 4) @ 0xFA71
> [   81.497547] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more 
> than 1sec aborting
> [   81.497552] [drm:atom_execute_table_locked] *ERROR* atombios stuck 
> executing FA30 (len 493, WS 0, PS 4) @ 0xFA71
> [   81.548053] PM: resume of devices complete after 2129.312 msecs
> [   81.746649] PM: Finishing wakeup.
> [   81.746651] Restarting tasks ... done.
> 
> Since this happens only during resume may be the current 1 second time is 
> not sufficient for the resume case? I bumped it to 2 sec and it stopped 
> complaining. 
> 
> May be we should increase the timeout for only the resume case?
> 
> Thanks,
> 
> Parag

Please open bug and attach your video bios. See bottom of :
http://dri.freedesktop.org/wiki/TestingAndDebugging

I have a patch to bump it to 2sec but i still find strange that
it takes so long, i think it can be related to lockup.

Cheers,
Jerome
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