TIP: Resolving X mouse/touchpad freeze in Debian Squeeze
If you recently upgrade to Debian Squeeze from Debian Lenny and you notice that the X server crashes and you get following similar error messages in your /var/log/Xorg.0.log:
Could not allocate video memory
No screens found
then follow the steps below to resolve the error.
Step 1: Shutdown your X
Hit Ctrl-Alt-F1. This will give you your tty1 console
# /etc/init.d/gdm,{kdm},{xdm} stop
This will kill your X server running. You can substitute whatever login manager you are using.
Step 2: Use vesa driver instead of the native X driver for your video card
# nano /etc/X11/xorg.conf
and add the following line (in green) in the “Device” section:
Section "Device"
Identifier "Configured Video Device"
Driver "vesa"
EndSection
Step 3: Restart your X Server
Check if your X server is running properly or not:
# X
If you get a Gray textured screen and you are able to use your mouse/touch pad on your laptop, then you have successfully configured your X server with the generic “vesa” driver.
However, if your X starts but your touch pad freezes (or is not working properly) then you need to do the following before you start your X
# modprobe psmouse
That should get your X working. Note that this solution may not be the most desirable because we are using “vesa” driver instead of “intel” native graphics driver.
Step 4: Start your GNOME/KDE
Finally you can start your GNOME/KDE session by either rebooting or giving the following commands:
# /etc/init.d/gdm start
Hope that helpled!
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April 24th, 2009 at 2:01 am
[...] you see that your X server starts fine but does your mouse is not functioning then see this link. In short the solution is to load the PS/2 mouse kernel [...]
January 6th, 2012 at 11:21 pm
Vesa? This’s the worst possible advice. I suggest you remove it.
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