I 'm also having the KDE glitch but only when i have hi cpu load (i have
disabled desktop effects).
My /var/log/kdm.log is a bit different :
X.Org X Server 1.5.2
Release Date: 10 October 2008
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.24-19-server i686 Ubuntu
Current Operating System: Linux keymaster-laptop 2.6.27-10-generic #1 SMP Fri
Nov 21 12:00:22 UTC 2008 i686
Build Date: 24 October 2008 08:00:16AM
xorg-server 2:1.5.2-2ubuntu3 ([EMAIL PROTECTED])
Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Sun Nov 30 19:57:58 2008
(==) Using config file: "/etc/X11/xorg.conf"
(EE) No input driver/identifier specified (ignoring)
(EE) config/hal: NewInputDeviceRequest failed
kdmgreet(5556) KLocalePrivate::initEncoding: Cannot resolve system encoding,
defaulting to ISO 8859-1.
(EE) intel(0): tried to update DSPARB with both planes enabled!
(EE) intel(0): underrun on pipe B!
I have tried various options in xorg.conf but nothing changed. I also connected
an external monitor.
xrandr gives:
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 1024 x 1024
VGA connected (normal left inverted right x axis y axis)
1024x768 85.0 + 85.0 75.1 75.0 70.1 60.0 43.5
832x624 74.6
800x600 85.0 85.1 72.2 75.0 60.3 56.2
640x480 85.0 85.0 75.0 72.8 72.8 75.0 66.7
60.0 59.9
720x400 87.8 85.0 70.1
640x400 85.1
640x350 85.1
LVDS connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
1024x768 60.0*+ 85.0 75.0 70.1 60.0
832x624 74.6
800x600 85.1 72.2 75.0 60.3 56.2
640x480 85.0 72.8 75.0 59.9
720x400 85.0
640x400 85.1
640x350 85.1
The Xorg.0.log shows that the monitor wasn't detected but when I
restarted the X server i got this:
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 1920 x 1920
VGA connected 1024x768+0+0 (normal left inverted right x axis y axis) 312mm x
234mm
1024x768 85.0*+ 85.0* 85.0 75.1 75.0 70.1 60.0
43.5
1920x1440 60.0
1856x1392 60.0
1792x1344 60.0
1600x1200 75.0 75.0 70.0 65.0 60.0
1680x1050 84.9 74.9 69.9 60.0
1600x1024 60.2
1400x1050 85.0 74.8 70.0 60.0
1280x1024 85.0 85.0 75.0 60.0
1440x900 59.9
1280x960 85.0 75.0 60.0
1360x768 59.8
1152x864 100.0 85.1 85.0 85.0 75.0 75.0 70.0
60.0
832x624 74.6
800x600 85.0 85.1 72.2 75.0 60.3 56.2
640x480 85.0 85.0 75.0 72.8 72.8 75.0 66.7
60.0 59.9
720x400 87.8 85.0 70.1
640x400 85.1
640x350 85.1
LVDS connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
1024x768 60.0 + 85.0 75.0 70.1 60.0*
832x624 74.6
800x600 85.1 72.2 75.0 60.3 56.2
640x480 85.0 72.8 75.0 59.9
720x400 85.0
640x400 85.1
640x350 85.1
and the monitor worked. Xorg.0.log displays:
Information intel(0): I2C device "CRTDDC_A:ddc2" registered at
address 0xA0.
Information intel(0): EDID vendor "SNY", prod id 6256
I still don't know whats the cause for the false detection, its seems to
be completely random. I have no way to isolate the problem. If someone
has a suggestion about how to procced please tell me because i run out
of ideas.
--
False Monitor Detection
https://bugs.launchpad.net/bugs/292788
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