Bug#565344: [xserver-xorg-video-radeon] Black screen after resume from suspend to disk/RAM

[Michel Dänzer]

On Fri, 2010-01-15 at 12:59 +0100, Bruno Kleinert wrote: 
> Am Freitag, den 15.01.2010, 10:58 +0100 schrieb Michel Dänzer:
> > > after an upgrade to version 6.12.4-2 from 6.12.3-1 I get nothing but a
> > > mouse cursor and a black screen when I resume the machine from suspend
> > > to disk or RAM.
> > 
> > Would be interesting to try building 6.12.3-1 against current
> > xserver-xorg-dev and see if that still works with the current
> > xserver-xorg-core.
> I'll give it a try tomorrow as I can't access the machine today.
> 
> In the meantime I found out something interesting: I can reproduce the
> same bug on a completely different machine, my Intel-based notebook.
> It's only a 32bit system and, in contrast to my other machine, it runs
> KMS.
> 
> Right after installing the mesa 7.7 packages from experimental and
> restarted X, I can suspend the notebook and after resume the notebook
> ends up with a completely black screen (not even the mouse pointer is
> visiable) but everything else apperently works: I blindly switched to a
> console and could reboot the notebook. When switching to the KMS
> framebuffer console the screen also remains all black.
> 
> I upgraded libgl1-mesa-dri, libgl1-mesa-glx, libglu1-mesa and mesa-utils
> to 7.7-1 on the notebook (it's the same on my other machine) to
> reproduce the bug. After downgrading to mesa 7.6.1 packages on the
> notebook suspend+resume worked fine again and without a black screen.
> 
> I'll try downgrading mesa on my other machine with the Radeon GPU
> tomorrow to check out if that will fix the bug on that machine.
> 
> Ok, obviously I addressed this bug report to the wrong package, but I
> need to do some more testing to find out the right package where to
> forward the report ;)

It could also be different problems with similar symptoms. Log in via
ssh and check the X log file, the gdm/kdm log file and dmesg for any
relevant output when the screen is black.


-- 
Earthling Michel Dänzer           |                http://www.vmware.com
Libre software enthusiast         |          Debian, X and DRI developer