Red Hat Bugzilla – Bug 490385
Add wide screen modes to xorg-server by updating "extramodes"
Last modified: 2009-12-18 04:01:51 EST
Description of problem:
1920x1200 screen mode is not supported by the standard list of modes
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Use screen and graphics card capable of 1920x1200
2. start system-config-display
1920x1200 is not available
1920x1200 should be available
Monitor is Samsung SyncMaster 2443BW
Graphics card is nVidia GeForce4 MX 4000
use standard "nv" driver or the livna nvidia driver
Digging through the source code it is clear that neither the vesamodes nor the extramodes files define any 1920x1200 modes. I have successfully added 1920x1200 at 60Hz to the xorg.conf file, but less persistent users will find this difficult. The 1920x1200 and other widescreen modes should be in the baseline set of modes.
Can you post your /var/log/Xorg.0.log file please? If your VBIOS hasn't programmed the panel for 1920x1200 nv will reject the modes as it doesn't have the code to reprogram it, I'd say that's what's happening here.
Created attachment 346702 [details]
Xorg.0.log log file
This is the version that works in wide screen with the modified xorg.conf
Created attachment 346703 [details]
The modified xorg.conf file that specifies the 1920x1200 widescreeen mode. Parameters derived from CVTd6r1.xls obtained from internet.
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