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Message #44225
[Bug 514234] Re: [Q45] Autodetection results in reduced resolutions available - i915
** Description changed:
Binary package hint: xorg
I'm using a Dell optiplex 760 with an intel Q45 chipset.
The problem is that xorg *usually* doesn't recognize the screen so it uses a lower resolution 800x600. The only available resolutions are 640x480 and 800x600.
Sometimes however the screen is recognized and the resolution is just fine. I haven't been able to find out under what circumstances this happens...
My guess is that EDID information is sometimes detected incorrectly...
I've tried rebooting Karmic with the kernel parameter modeset=0 and creating an xorg.conf file through X -configure
but it doesn't seem to make any difference.
I've also noticed that (when the right resolution is selected) after a
couple of hours the screen turns black for 1-2 secs. It does that
blinking several times and finally the screen turns off. When I
restarted the pc it did the same thing only much faster like 5 mins
after booting.
ProblemType: Bug
Architecture: amd64
Date: Fri Jan 29 12:53:11 2010
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
MachineType: Dell Inc. OptiPlex 760
Package: xorg 1:7.4+3ubuntu10
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-17-generic root=UUID=1c12fe91-87fb-41bd-b39e-60866e6fdd73 ro quiet splash
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-17.54-generic
RelatedPackageVersions:
xserver-xorg 1:7.4+3ubuntu10
libgl1-mesa-glx 7.6.0-1ubuntu4
libdrm2 2.4.14-1ubuntu1
xserver-xorg-video-intel 2:2.9.0-1ubuntu2.1
xserver-xorg-video-ati 1:6.12.99+git20090929.7968e1fb-0ubuntu1
SourcePackage: xorg
Uname: Linux 2.6.31-17-generic x86_64
XorgConf: Error: [Errno 2] No such file or directory: '/etc/X11/xorg.conf'
XsessionErrors:
(gnome-settings-daemon:1699): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
(polkit-gnome-authentication-agent-1:1809): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
(nautilus:1800): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
(firefox:1936): GLib-WARNING **: g_set_prgname() called multiple times
dmi.bios.date: 08/17/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A05
dmi.board.name: 0M858N
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA05:bd08/17/2009:svnDellInc.:pnOptiPlex760:pvr:rvnDellInc.:rn0M858N:rvrA01:cvnDellInc.:ct6:cvr:
dmi.product.name: OptiPlex 760
dmi.sys.vendor: Dell Inc.
fglrx: Not loaded
system:
distro: Ubuntu
architecture: x86_64kernel: 2.6.31-17-generic
+
+
+ [lspci]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation 4 Series Chipset Integrated Graphics Controller [8086:2e12] (rev 03)
+ Subsystem: Dell Device [1028:027f]
--
[Q45] Autodetection results in reduced resolutions available - i915
https://bugs.launchpad.net/bugs/514234
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References