Public bug reported:
Binary package hint: xorg
External monitor positioned to the left of LCD. When width is less than
2048 pixels, everything works as expected. Crash with more than 2048
pixels could be from a Compiz problem (this GPU cannot handle more than
2048 pixels). With less than 2048 pixels (I am using the external
monitor at 800x600) it works flawlessly. Placing external monitor on top
of (or, presumably under) the LCD works (not reaching the 2048 pixel
limit). Unfortunately external monitor is a CRT and this arrangement
won't fit on my desk.
ProblemType: Bug
Architecture: i386
Date: Fri Nov 20 19:18:03 2009
DistroRelease: Ubuntu 9.10
MachineType: Acer AOA150
Package: xorg 1:7.4+3ubuntu7
ProcCmdLine: root=UUID=3cf8a68c-92c7-4723-ad8d-f57b9b643766 ro quiet splash
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
RelatedPackageVersions:
xserver-xorg 1:7.4+3ubuntu7
libgl1-mesa-glx 7.6.0-1ubuntu4
libdrm2 2.4.14-1ubuntu1
xserver-xorg-video-intel 2:2.9.0-1ubuntu2
xserver-xorg-video-ati 1:6.12.99+git20090929.7968e1fb-0ubuntu1
SourcePackage: xorg
Uname: Linux 2.6.31-14-generic i686
XsessionErrors:
(polkit-gnome-authentication-agent-1:2343): GLib-CRITICAL **:
g_once_init_leave: assertion `initialization_value != 0' failed
(nautilus:2336): Eel-CRITICAL **: eel_preferences_get_boolean: assertion
`preferences_is_initialized ()' failed
(gnome-panel:2335): Gdk-WARNING **:
/build/buildd/gtk+2.0-2.18.3/gdk/x11/gdkdrawable-x11.c:952 drawable is not a
pixmap or window
dmi.bios.date: 05/09/2008
dmi.bios.vendor: Acer
dmi.bios.version: v0.3114
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 1
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAcer:bvrv0.3114:bd05/09/2008:svnAcer:pnAOA150:pvr1:rvnAcer:rn:rvrBaseBoardVersion:cvnChassisManufacturer:ct1:cvrChassisVersion:
dmi.product.name: AOA150
dmi.product.version: 1
dmi.sys.vendor: Acer
fglrx: Not loaded
system:
distro: Ubuntu
architecture: i686kernel: 2.6.31-14-generic
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
--
Setting up dual-head of exactly 2048 pixels wide ends up with a black screen.
Setting it up with more than 2048 pixels crashes X
https://bugs.launchpad.net/bugs/486056
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