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Old 03-26-05, 12:07 PM   #1
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Join Date: Mar 2005
Posts: 1
Default Green blotches - that's all I get (Knoppix, GeForce FX5200)

Toshiba Tecra M2 laptop, GeForce FX 5200. Running Knoppix from August 2004.

Output of uname -a:
Linux machinename 2.4.27 #2 SMP Mo Aug 9 00:39:37 CEST 2004 i686 GNU/Linux

My machine boots to runlevel 2.

Downloaded NVIDIA-Linux-x86-1.0.7167-pkg1.run
a few days ago (3/22/05). Executed the .run file, then compiled the kernel module with no problem. Note that the Knoppix kernel is compiled with GCC 2.95, but the normally available gcc is 3.3.5, so you have to use the "CC=/usr/bin/gcc-2.95" trick.

Edited /etc/X11/XFConfig-4, changed Driver "vesa" to Driver "nvidia" and removed Load "GLcore" and Load "dri". I have Load "glx" (it was already there).

Run: startx /usr/bin/icewm
Note: This command works fine with driver "vesa" or "nv".

(But with nvidia driver, ...)
Get nvidia splash screen, then screen goes back to a text mode with flashing green blotches on the screen. All consoles (switched via Alt/F2, etc) seem to be hung. I can recover the machine by Ctrl/Alt/Del, which reboots. this scenario is 100% repeatable - I've done it repeatedly.

Have not tried setting the machine up to be telnettable - so that I could connect in and kill stuff remotely. Maybe at some point I'll set it up so that I have a remote X session running (while trying to launch X on the console).

So, that's that. Any suggestions?

Note: Nothing interesting in the XFree86.0.log file. No (EE) errors. The log file always ends with: Fatal server error: Caught signal 11. Server aborting, which is, I think, caused by the server crashing when I reboot (via C/A/D).

Question: If I were to post the log file, how to do so? What is the accepted method on this board?
gazelle is offline   Reply With Quote
Old 03-29-05, 03:40 PM   #2
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Join Date: Jan 2005
Posts: 3
Default Re: Green blotches - that's all I get (Knoppix, GeForce FX5200)

I have no ideia why your screen goes back to text mode after the splash screen but... i had those flashing green blotches when switching from X to console (in all consoles). Using a XFX 5700 ultra, 1.0-6629 version, and a CRT Monitor
Using this options in xorg.conf resolved the problem:

Option "ConnectedMonitor" "CRT"
Option "IgnoreDisplayDevices" "DFP, TV"

Change this accordling to your needs. And check the README.txt from Nvidia for more details in sections:

Option "ConnectedMonitor" "string"
Allows you to override what the NVIDIA kernel module
detects is connected to your video card. This may
be useful, for example, if you use a KVM (keyboard,
video, mouse) switch and you are switched away when
X is started. In such a situation, the NVIDIA kernel
module cannot detect what display devices are connected,
and the NVIDIA X driver assumes you have a single CRT.

Valid values for this option are "CRT" (cathode ray
tube), "DFP" (digital flat panel), or "TV" (television);
if using TwinView, this option may be a comma-separated
list of display devices; e.g.: "CRT, CRT" or "CRT, DFP".

NOTE: anything attached to a 15 pin VGA connector is
regarded by the driver as a CRT. "DFP" should only be
used to refer to flatpanels connected via a DVI port.

Option "IgnoreDisplayDevices" "string"
This option tells the NVIDIA kernel module to completely
ignore the indicated classes of display devices when
checking what display devices are connected. You may
specify a comma-separated list containing any of "CRT",
"DFP", and "TV".

For example:

Option "IgnoreDisplayDevices" "DFP, TV"

will cause the NVIDIA driver to not attempt to detect
if any flatpanels or TVs are connected.

This option is not normally necessary; however, some video
BIOSes contain incorrect information about what display
devices may be connected, or what i2c port should be
used for detection. These errors can cause long delays
in starting X. If you are experiencing such delays, you
may be able to avoid this by telling the NVIDIA driver to
ignore display devices which you know are not connected.

NOTE: anything attached to a 15 pin VGA connector is
regarded by the driver as a CRT. "DFP" should only be
used to refer to flatpanels connected via a DVI port.
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