Bug#714510: xserver-xorg-video-radeon: Display corrupted after resume on ATI Radeon HD 2400 XT

Tobias Gerdin tgerdin at gmail.com
Wed Jul 3 06:25:12 PDT 2013

3 jul 2013 kl. 15.00 skrev Alex Deucher:

> On Sun, Jun 30, 2013 at 3:59 AM, Tobias Gerdin <tobias.gerdin at gmail.com 
> > wrote:
>> Package: xserver-xorg-video-radeon
>> Version: 1:6.14.4-8
>> Severity: important
>> Tags: upstream
>> Dear Maintainer,
>> After resuming system after a suspend (to RAM) the display is  
>> corrupted. It is still
>> possible to see what's going on but everything turns into a highly  
>> unhealthy-looking
>> (for the display) green-orange flickering mess.
>> The system is this Apple iMac, see:
>> http://www.everymac.com/systems/apple/imac/specs/imac-core-2-duo-2.0-20-inch-aluminum-specs.html
>> I have never gotten this to work in Linux I think, and it's the  
>> only issue that keeps me
>> from switching to Linux from OS X (sounds works now as of the  
>> Wheezy release).
>> I observe the same issue on Ubuntu (tried 12.04LTS and 13.04).
> You might try a newer kernel or if you are using EFI to boot, try
> using the legacy bios option.  Unfortunately, macs do just about
> everything differently you may need some sort of mac specific quirk to
> make it work properly, especially with EFI boot.
> Alex

Yes, I am using EFI boot. I recall now that I think this used to work  
in an old Ubuntu-installation I had, at which point I was still using  
legacy bios emulation.

Anyway, thanks for the tip. Would be nice to understand what EFI- 
specific quirk that would be needed, if possible, since Debian seems  
to boot using EFI by default on EFI-systems as of Wheezy.


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