linux-kernel - Re: i915 freakout with latest 3.7 git

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Message-ID: <20121206182153.GA2595@fancy-poultry.org>
Date:	Thu, 6 Dec 2012 19:21:53 +0100
From:	Heinz Diehl <htd@...cy-poultry.org>
To:	Daniel Vetter <daniel@...ll.ch>
Cc:	Lekensteyn <lekensteyn@...il.com>, Heinz Diehl <htd@...tha.org>,
	dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org, Dave Airlie <airlied@...il.com>
Subject: Re: i915 freakout with latest 3.7 git

On 06.12.2012, Heinz Diehl wrote: 

[....]

Ok, the last one for today. After extensive testing with heavy load
and I/O while watching HD videos, I can almost safely conclude with 
the following:

1.) The hang does *never* occur with 3.6.9 vanilla 

2.) The hang does *always* occur with 3.7-rc8+ / latest git

3.) The hang doesn't occur with 3.7/latest git when 

 Driver "Intel"
 Options "NoAccel" "True" 

in Xorg.xonf is set (with all the drawbacks this introduces). Maybe
this rings a bell for someone..

In all cases, the machine is booted with "i915.i915_enable_rc6=0".

Please contact me if you think I can help to debug this further.

Thanks,
Heinz.






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