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[Bug 570123] [NEW] Using xrandr with dual monitor causes garbled image

 

Public bug reported:

Binary package hint: xorg

Almost every time I use xrandr to setup my monitors I get garbled,
unusable desktop. The system remains perfectly working (no lockups,
mouse pointer visible and working, desktop responsive to inputs: I could
continue use it blindly). With some more details:

- If I change the configuration of a monitor, I get the garbled desktop.
Reverting to previous configuration does not work (still garbled).
Sometimes I got an usable desktop (blindly) configuring monitors with
very low resolutions (800x600 or 640x480).

- The issue often occurs even doing a simple xrandr query (with CLI or
opening the GUI).

- If I start my laptop with the external monitor plugged, gdm starts
fine (with low resolution on both monitors, though), gnome starts fine
with both monitors well working at right resolution (1280x800+0+224,
1280x1024+1280+0). Changing the configuration of a monitor triggers the
issue.

As a side node, things work perfectly with Fedora 13 Beta live DVD
(apart from xorg crash when rotating a monitor at maximum resolution).
So the issue maybe related to xorg 1.7.6 and solved in xorg 1.8.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xserver-xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-21-generic i686
NonfreeKernelModules: slamr
Architecture: i386
Date: Mon Apr 26 13:00:38 2010
DkmsStatus:
 sl-modem, 2.9.11~20100303, 2.6.32-19-generic, i686: built 
 sl-modem, 2.9.11~20100303, 2.6.32-20-generic, i686: built 
 sl-modem, 2.9.11~20100303, 2.6.32-21-generic, i686: installed 
 sl-modem, 2.9.11~20100303, 2.6.32-17-generic, i686: built 
 sl-modem, 2.9.11~20100303, 2.6.32-18-generic, i686: built
MachineType: TOSHIBA Satellite M30X
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic root=UUID=70ea592a-005a-4499-aee6-d4a664c82b4e ro radeon.agpmode=1 quiet splash
ProcEnviron:
 PATH=(custom, user)
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
SourcePackage: xorg
dmi.bios.date: 11/10/2008
dmi.bios.vendor: TOSHIBA
dmi.bios.version: V2.00
dmi.board.name: EAL20
dmi.board.vendor: TOSHIBA
dmi.board.version: Null
dmi.chassis.asset.tag: *
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnTOSHIBA:bvrV2.00:bd11/10/2008:svnTOSHIBA:pnSatelliteM30X:pvrPSA72E-2K202WIT:rvnTOSHIBA:rnEAL20:rvrNull:cvnTOSHIBA:ct10:cvrN/A:
dmi.product.name: Satellite M30X
dmi.product.version: PSA72E-2K202WIT
dmi.sys.vendor: TOSHIBA
glxinfo: Error: [Errno 2] Nessun file o directory
system:
 distro:             Ubuntu
 codename:           lucid
 architecture:       i686
 kernel:             2.6.32-21-generic

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 lucid

-- 
Using xrandr with dual monitor causes garbled image
https://bugs.launchpad.net/bugs/570123
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