svn commit: r194540 - head/sys/dev/drm

[Andriy Gapon]

on 20/06/2009 19:56 Daniel Eischen said the following:
> On Sat, 20 Jun 2009, Robert Noland wrote:
> 
>> Author: rnoland
>> Date: Sat Jun 20 16:45:14 2009
>> New Revision: 194540
>> URL: http://svn.freebsd.org/changeset/base/194540
>>
>> Log:
>>  The G45 docs indicate that all G4X chips use the new framecount
>> register.
>>
>>  Intel agrees with my reading of the docs, make it so for all G4X chips.
>>
>>  The new register also has a 32 bit width as opposed to 24 bits.  Fix
>>  things up so that the counters roll over properly.
> 
> Could this possibly fix the problem I'm seeing with the screen being
> garbage after a logout from KDE 3.x (using kdm)?  Everything works
> fine after logging in, but when you log out, the screen is left with
> garbage/lots of vertical striping.  This only happened after upgrading
> my system (and all ports) to Xorg 7.4, worked just fine before that.
> 
> agp0: <Intel 82945GM (945GM GMCH) SVGA controller> on vgapci0
> agp0: detected 7932k stolen memory
> agp0: aperture size is 256M
> vgapci1: <VGA-compatible display> mem 0xdff80000-0xdfffffff at device 
> 2.1 on pci0

I had similar symptoms. In my case this was cause X server crashing?
Do you see the same. If yes, there might be a recipe for cure.


-- 
Andriy Gapon