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 -
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
[code]....
There is an extra "Load detected" line and the resolution got reduced from 1280x1024 to 1024x768.
It's an HP DX2300 running Fedora 13, I think it has NVidea chipset, my other computer is similar machine running Redhat 5.5 and it does 1680x1050 with the same monitor.
Fedora 13, x86_64, up to date. Trying to get nVidia Quadro NVS 140M to display on a projector the same as it does on the laptop screen, which is 1680 x 1050. I failed to do so with the nVidia driver (latest version), so I want to go back to the nouveau driver and try with xrandr. I have always used the nouveau driver with Fedora without an issue, but in my former life in Ubuntu I sometimes switched back and forth between the "nv" driver and the nVidia driver.
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.
Apparently that is meant to be a one-way ticket, because I can't find any instructions for how to return to the nouveau driver. Except stuff that is over a year old, and complaints from users whose systems failed to start X. What would happen if I just replace "nvidia" with "nouveau" in the xorg.conf file and restart X? I know if it won't start X I can boot to rescue mode and re-edit xorg.conf, but I'd rather ask first and do it the right way than have to repair a broken system.
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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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OK. I know that the Nvidia driver (190.53) works as all is well under the upgrade. When I do a totally clean installation or a clean install with the existing /home I get a default 1024x768. If I use sax2 to try and change it one of two things happens: the change is ignored or I drop to 800x600 and the ball game is over: I'm stuck there, period. Other than a couple of commented-out lines, xorg.conf is the same as it was or 11.1 (and back to 10.1 after allowing for version changes) after running sax2 but even nvidia-settings won't give anything beyond 1024x768 if I try and use that.
I've been through the how-to stuff and back messages here but I'll be darned if I can force the desired 1440x900. I had a similar issue with 10.2 or so where the only way to get it right the first time was to set the desired resolution to 1440x900 during the hardware setup during the installation but that seems to have disappeared along with xorg.conf which only appears after running sax2. I can't even use the manual diting tricks in xorg.conf I've had to use with some cards - it seems to be completely ignored and I can't see any real problem with it anyway once sax2 builds it. On a couple of machines with later version of the Nvidia video everything is working as expected, at least with GF 6800 and higher video.
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My system:
OpenSUSE 11.4 32-bit Gforce 7300 KDE desktop Acer 21" LCD monitor, non-wide screen, it can do 1600x1200
X configuration: No x.org.conf file, and only one modified file in xorg.conf.d, namely to specify the driver "nouveau" (by the way, is that even needed??) According to lsmod, nouveau loads perfectly. However, KDE starts-up in an odd, non-useful screen resolution. 3d works, slowly, which is OK. I specifically want 1024x768 resolution, but am not able to specify a different resolution in the Display configuration section of the KDE control center (I understand that is perhaps normal).
I tried inserting text into the xorg.conf.d/50-monitor, not really knowing what to add or where and eventually got 1024x768 but the display was unstable, blinking off and on every so-often, and the screen edges were off.I am pretty sure I simply need to put information about my monitor and desired resolution into some file(s) in xorg.conf.d/ or maybe build a dreaded xorg.conf file. I know of the "cvt" utility, and I have a hunch this is part of the solution.
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How do I re-enable the wireless after I flip the switch back to the "on" position?
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