linux-kernel - Re: radeon 4830 corruption after resume

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Date:	Mon, 14 Dec 2009 12:52:03 +1000
From:	Dave Airlie <airlied@...hat.com>
To:	Alex Chiang <achiang@...com>
Cc:	rjw@...k.pl, linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: radeon 4830 corruption after resume

On Sun, 2009-12-13 at 19:30 -0700, Alex Chiang wrote:
> Hi Dave, Rafael,
> 
> I can successfully suspend/resume my HP Envy, but upon resume,
> the screen is corrupted.
> 
> I used the gnome screenshot utility to capture this:
> 
> 	http://chizang.net/alex/tmp/radeon-4830-corruption.png
> 
> But that screenshot leads you to believe the corruption was
> 100%, when in reality, the text in my xterms was at least
> readable, but ugly.
> 
> Kernel is latest upstream pulled today. Userspace is Ubuntu Karmic.

Has it ever worked? can you suspend/resume without X running at all?

Its quite possibly a userspace problem but its hard to know, we
haven't changed the user modesetting pieces in the kernel at all in
quite a while.

Dave.

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