Fedora :: 13 X86_64 Nouveau KVM Switch - Video Res Drops Back To 1024x768 Instead Of 1200x1024

Jul 8, 2010

I have a server with Fedora 13 x86_64 installed that uses gnome as the desktop. Recently I purchased a generic KVM switch for my office. When I connect this to the server the video res drops back to 1024x768 instead of 1200x1024. I did some research and apparently Fedora 13 no longer uses the Xorg.conf file for display setup, it detects the hardware in the fly when you boot and uses the appropriate drivers (unless one exists in the /etc/X11 folder).

The specs for the KVM say that it can do way more than 1200x1024 so I can't see a problem with that. Also I tested it with a windows installation and I was able to obtain 1200x1024 resolution. The video card is a NVIDIA GeForce 8400 GS and the current driver being loaded is the nouveau according to lspci. When connected to the KVM the display widget in gnome wont detect the monitor or graphics card anymore. I used system-config-display to change the display settings and it created this Xorg.conf file -

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Debian Configuration :: Nouveau: Resolution Re-ducted To 1024x768?

Oct 28, 2010

Motherboard: M2N-MX with Athlon X2 3600 from 2006 onwards
00:0d.0 VGA compatible controller: nVidia Corporation C61 [GeForce 6150SE nForce 430] (rev a2)
Kernel: Debian Sid with 2.6.32-5-amd64 and custom 2.6.36-rc7
Monitor: Samsung 712N, 17inch, with native 1280x1024 resolution

Everything was fine with both kernels with custom 1280x1024 resolution upto yesterday. But when I rebooted today, first I noticed that X stopped working. After updating xorg.conf to 1024x768, it started working . After going through the kernel log in /var/log/messages, I noticed the following differences

Yesterdays log:

nouveau 0000:00:0d.0: Detected 64MiB VRAM
nouveau 0000:00:0d.0: 64 MiB GART (aperture)
nouveau 0000:00:0d.0: Saving VGA fonts

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There is an extra "Load detected" line and the resolution got reduced from 1280x1024 to 1024x768.

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Doing so was trivially easy - just edit xorg.conf replacing "nv" with "nvidia" or vice-versa, then restart X. However, after installing the nVidia driver via Yumex and using the nVidia config utility, I find that now I have an xorg.conf file that is loaded with stuff I don't understand, except that at the top it says it was created by nVidia, and there are two places where it says the driver is "nvidia." I have searched and all I can find is instructions for installing the nVidia driver.

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As can be seen from the screen clipping below, the images especially in the preview mode and the icons look jarred (highlighted in red). I have no complains with the video but the images and icons do look shabby at times and therefore I want to switch over to the proprietary NVidia drivers.

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