F11: nvidia, KDE or X window display errors
Mark C. Allman
mcallman at allmanpc.com
Tue Sep 15 14:15:48 UTC 2009
Lately I've been seeing windows get corrupted suddenly. I took a
snapshot of one and you can see it at
http://www.allmanpc.com/video_display_error.jpg
If I minimize/restore the window it will (so far) re-display correctly.
Moving between workspaces (I have 4) doesn't fix the problem. If I
mininize the window and hover over the task bar area for the window
it'll show me a small preview of the window and it will still look
corrupted. If I restore the window it will start to display corrupted
for a split second and then appear to repaint correctly (it's hard to
tell--it's very fast).
Has anyone else seen this? The overall desktop displays fine. The
problem is limited to windows. It doesn't appear to be an app-related
issue. I've seen this happen to OpenOffice, Evolution and Opera windows
(and maybe others--I don't recall).
My /etc/X11/xorg.conf file is very tiny:
# Xorg configuration created by livna-config-display
Section "Files"
ModulePath "/usr/lib/xorg/modules/extensions/nvidia"
ModulePath "/usr/lib/xorg/modules"
EndSection
Section "ServerFlags"
Option "AIGLX" "on"
EndSection
Section "Device"
Identifier "Videocard0"
Driver "nvidia"
Option "AddARGBGLXVisuals" "True"
EndSection
Section "Extensions"
Option "Composite" "Enable"
EndSection
I don't know if this is an X and/or KDE and/or nvidia problem. This
just started within the past week or two. I haven't changed any nvidia,
X or KDE settings lately. I've re-booted the laptop a few time in the
past few weeks so it's not an "update needs a reboot" issue. I've
looked through ~/.xsession-errors but nothing looked obvious like "error
displaying window."
One observation: the windows which are corrupted always look about like
what the snapshot image I mentioned earlier looks like. It's not
random. It looks like that green vertical bar pattern on black every
time.
My system (which is up to date as of a few days ago):
Dell XPS 1710
Video H/W: nVidia GeForce Go 7900 GTX
Kernel: 2.6.30.5-43.fc11.i586
Desktop: KDE
xorg-x11-drv-nvidia-libs-185.18.36-1.fc11.i586
kmod-nvidia-2.6.30.5-43.fc11.i586-185.18.36-1.fc10.i686
xorg-x11-drv-nvidia-185.18.36-1.fc11.i586
akmod-nvidia-185.18.36-1.fc11.i686
kdebase-4.3.0-1.fc11.i586
Anyone have a clue what might be causing this?
-- Mark C. Allman, PMP
-- Allman Professional Consulting, Inc.
-- www.allmanpc.com, 617-947-4263
-- Twitter: allmanpc
Consulting IT Project/Program Management: on-time, on-budget
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