ATI fglrx driver expands screen size
I have notebook ASUS A8Sr with ATI HD2400 video card (monitor of notebook has size 1280x800). And Linux Slackware64 13.0 with kernel 220.127.116.11 (x86_64 smp) updated from Slamd64.
After I installed newest ATI fglrx driver (version 9.9). All things work. But screen size (virtual screen of course) become more large - 2560x800 - in two times. And first part (x=0..1280) as a normal screen, but second part (with x=1281..2560) like black hole - black color with invisible desktop items.
I have not any virtual screen in xorg.conf, but have option "PreferredMode"
It is part of Xorg.0.log
This is problem with fglrx driver only. Radeon driver work fine.
How I can remove virtual screen "2560x800"?
Take this and copy and paste it into xorg.conf, in subsection display, underneath Mode:
Modeline "1280x800"x60.0 68.94 1280 1292 1356 1408 800 803 806 816 +hsync +vsync
You can also shut down X, and run:
from a terminal. The command will give you instructions. If the new xorg.conf works, you will get a textured background when you test it with:
X -config /home/sam/xorg.conf.new
The new xorg.conf will be more complete, and you can then add what you need from the existing xorg.conf. But adding the modeline to the existing xorg.conf will probably work. Try it first.
You might try adding that parameter for virtual screen at the resolution you want to use. 1280x800. Or wait six months for the next update and it'll fix itself? ATI drivers are.... frustrating.
Taking a second look at your conf, you're missing the Depth argument for your Modes. Just adding that might help, or might otherwise be the issue. Virtual is a bit redundant. Although isn't it supposed to not use/do virtual if you don't specify it?
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