linux-kernel - Re: [REGRESSION]: hibernate/sleep regression w/ bisection

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Message-ID: <20111122114019.GA20081@zeus>
Date:	Tue, 22 Nov 2011 06:40:21 -0500
From:	Andrew Watts <akwatts@...il.com>
To:	Jerome Glisse <j.glisse@...il.com>
Cc:	Tejun Heo <tj@...nel.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org,
	David Airlie <airlied@...ux.ie>,
	dri-devel@...ts.freedesktop.org
Subject: Re: [REGRESSION]: hibernate/sleep regression w/ bisection

On Mon, Nov 21, 2011 at 04:29:23PM -0500, Jerome Glisse wrote:
> On Mon, Nov 21, 2011 at 4:09 PM, Tejun Heo <tj@...nel.org> wrote:
> >
> > Out of curiosity, did it get somewhere?
> >
> > Thanks.
> >
> > --
> > tejun
> >
> 
> Yeah i am pretty sure i know what's going wrong but there is no easy
> fix, there is a deadlock in the kernel when gem wait ioctl is call on
> scanout buffer and that a gpu reset happen
> 
> Cheers,
> Jerome

Tejun, I was about to send a similar email asking about this; many thanks
for sharing my interest.

Jerome, sounds encouraging that you think you know what the issue is. What
are the next steps? Please let me know how I can assist on my end (code 
validation, etc.).

~ Andy

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