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[Bug 526257] [NEW] Compiz mirrors screens on return from suspend/hibernate--dual monitors


Public bug reported:

Binary package hint: compiz

Expected behavior: upon return from suspend, dual monitors should show exactly what was on them before suspend.
Actual behavior: upon suspend, secondary monitor (located above primary monitor) shows what was on it before suspend, but primary monitor simply mirrors secondary monitor. Mouse pointer can move freely over both monitors as if they were a single large desktop (as though compiz does not realize that the background is simply a zombie mirror), but only secondary monitor responds to click.

Steps to reproduce: 
1. Turn on computer (in my case, an HP dv100 notebook with an extra, external monitor--both monitors 1280x768; running Karmic clean install).
2. Log in.
3. Check that the two monitors are displaying separate images, creating a large dual-desktop.
4. Suspend/hibernate the computer (in my case, closing the lid works).
5. awaken the computer and type in password.
6. The secondary monitor (physically topmost) will look like before, but the primary monitor (laptop screen, located below the secondary monitor) will show a nonfunctional mirror of the secondary monitor.

Apologies for not attaching a log--Alt+F2 opens dialog box on my primary
monitor, where it doesn't show or function when bug is in effect.

ProblemType: Bug
Architecture: i386
CompizPlugins: [core,move,resize,place,decoration,animation,ccp,dbus,mousepoll,gnomecompat,png,svg,imgjpeg,text,commands,neg,video,wall,snap,scale,scaleaddon,expo,staticswitcher,regex,resizeinfo,workarounds,ezoom,vpswitch,extrawm,fade,session]
Date: Tue Feb 23 00:40:36 2010
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
MachineType: Hewlett-Packard HP Pavilion dv1000 (ET739UA#ABA)
Package: compiz 1:0.8.4-0ubuntu2
PackageArchitecture: all
PciDisplay: 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-19-generic root=UUID=0862d07b-90ea-4465-bcd6-5694f64858a0 ro quiet splash
ProcVersionSignature: Ubuntu 2.6.31-19.56-generic
 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: compiz
Uname: Linux 2.6.31-19-generic i686
XorgConf: Error: [Errno 2] No such file or directory: '/etc/X11/xorg.conf'
dmi.bios.date: 02/16/2006
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.09
dmi.board.name: 30A0
dmi.board.vendor: Quanta
dmi.board.version: 55.0F
dmi.chassis.type: 10
dmi.chassis.vendor: Quanta
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.09:bd02/16/2006:svnHewlett-Packard:pnHPPaviliondv1000(ET739UA#ABA):pvrRev1:rvnQuanta:rn30A0:rvr55.0F:cvnQuanta:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv1000 (ET739UA#ABA)
dmi.product.version: Rev 1
dmi.sys.vendor: Hewlett-Packard
system: distro = Ubuntu, architecture = i686, kernel = 2.6.31-19-generic

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

** Tags: apport-bug i386

Compiz mirrors screens on return from suspend/hibernate--dual monitors
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