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[Bug 488320] [NEW] dual-head monitor layout changes leave part of the screen unusable

 

Public bug reported:

Binary package hint: compiz

Steps to reproduce:
1. get a laptop win 1280x800 LCD and VGA out, and a 1280x1024 LCD monitor (other resolutions may also work, but this is what I have)
2. plug in monitor
3. open display settings applet, enable 1024x800 + 1280x1024 side-by-side
3. rotate the LCD to 1024x1280, keeping the tops of the monitors aligned
4. apply the configuration
5. go back to display settings, drag the internal screen to align the bottoms of the monitors
6. apply the configuration

Expected results:
you have two screens side by side 

Actual results:
the topmost half of the internal lcd is fine and shows the upper panel; the bottommost half of the internal lcd is black, with the bottom panel and every other window residing in it being invisible.

ProblemType: Bug
Architecture: i386
CompizPlugins: [core,ccp,dbus,place,mousepoll,gnomecompat,move,resize,decoration,png,svg,imgjpeg,text,commands,neg,video,wall,snap,animation,scale,scaleaddon,expo,staticswitcher,regex,resizeinfo,workarounds,ezoom,vpswitch,extrawm,fade,session]
Date: Wed Nov 25 19:10:03 2009
DistroRelease: Ubuntu 9.10
MachineType: LENOVO 646655G
Package: compiz 1:0.8.4-0ubuntu2
PackageArchitecture: all
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
PciDisplay: 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller [8086:2a02] (rev 0c)
ProcCmdLine: root=UUID=34a7bfc5-59dc-4d74-a131-45b6ae4663b1 ro quiet splash vga=872
ProcEnviron:
 LANGUAGE=en_US.UTF-8
 LC_CTYPE=lt_LT.UTF-8
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-15.50-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
 xserver-xorg-video-ati 1:6.12.99+git20090929.7968e1fb-0ubuntu1
SourcePackage: compiz
Uname: Linux 2.6.31-15-generic i686
dmi.bios.date: 12/06/2007
dmi.bios.vendor: LENOVO
dmi.bios.version: 7LETA7WW (2.07 )
dmi.board.name: 646655G
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7LETA7WW(2.07):bd12/06/2007:svnLENOVO:pn646655G:pvrThinkPadT61:rvnLENOVO:rn646655G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 646655G
dmi.product.version: ThinkPad T61
dmi.sys.vendor: LENOVO
system: distro = Ubuntu, architecture = i686, kernel = 2.6.31-15-generic

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


** Tags: apport-bug i386

-- 
dual-head monitor layout changes leave part of the screen unusable
https://bugs.launchpad.net/bugs/488320
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