Public bug reported:
Binary package hint: xorg
Since upgrading to the 9.10 beta my external monitor (a Samsung SyncMaster
172T) is not detected correctly anymore. Instead, the display preferences tool
thinks I have an "Apple Computer 13"" monitor with a set of resolutions that is
incompatible with my Samsung. It all works fine when adding modes manually
using xrandr,
but this is obviously not ideal.
The problem appears to be that the system reports identical information
for both the laptop LCD and the external monitor: they are both reported
as APP 0x9c5c (which then somehow gets mapped to the Apple name).
ProblemType: Bug
Architecture: i386
Date: Tue Oct 20 22:12:00 2009
DistroRelease: Ubuntu 9.10
MachineType: ASUSTeK Computer Inc. Z35FM
Package: xorg 1:7.4+3ubuntu7
ProcCmdLine: root=UUID=1f1ae5c9-1004-42ad-919b-d0d7cca1c73f ro quiet splash
ProcEnviron:
LANGUAGE=en_GB.UTF-8
PATH=(custom, user)
LANG=en_GB.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
dmi.bios.date: 09/14/2007
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 306
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: Z35FM
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 2.4
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr306:bd09/14/2007:svnASUSTeKComputerInc.:pnZ35FM:pvr1.0:rvnASUSTeKComputerInc.:rnZ35FM:rvr2.4:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: Z35FM
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.
fglrx: Not loaded
system:
distro: Ubuntu
architecture: i686kernel: 2.6.31-14-generic
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
--
External monitor not detected correctly anymore
https://bugs.launchpad.net/bugs/456595
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