Bug#682099: xserver-xorg-video-ati: EXAPixmaps=On screen tearing at high resolution under certain configurations

[Benjamyn Ward]

There's an ext4 bug floating around. Just watch which kernel you install 
if you're using the ext4 file system.

https://lkml.org/lkml/2012/10/23/779

~Benjamyn


On 10/24/2012 09:42 AM, Alex Deucher wrote:
> On Wed, Oct 24, 2012 at 5:41 AM, James Robertson <j at mesrobertson.com> wrote:
>>> The only other option I was going to try was using a Display port to
>>> DVI adapter from the side of my laptop to replace the VGA from the
>>> docking station.  If I purchase one to  try that I'll let you know.
>> I bought a an Active display port adapter for my laptop.  That won't
>> even work with resolutions above 1280x1024 under Debian (works fine up
>> to native 1980x1080 res on Windows 7).
>>
>> I wanted to use one of my monitors in portrait mode but the the
>> rotation would not work if I had Option "NoAccel" "true".  Of course
>> disabling it meant I get the hideous screen corruption.
>>
>> All of this works fine on Windows 7 with DVI/VGA or Display Port so at
>> least I can confirm it's not a hardware limitation.
>>
>> I am quite bummed to have this problem.  Can anyone suggest ways in
>> which I can troubleshoot/resolve it?
> Can you try a newer kernel?  3.6 or 3.7?  That may help with the
> modesettings.  As for the acceleration, corruption, you might try a
> newer version of mesa.
>
> Alex
>
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> xorg-driver-ati at lists.x.org
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