[Bug 414134] [NEW] Windows disappear if resolution is changed to something smaller than window size

[Kai Jauch]

Public bug reported:

Binary package hint: compiz

If the display resolution is set to something smaller than the size of
an existing window, the window disappears from screen and window list,
although it is still running.

Example:
- Open firefox and set window size to something greater than 1440x900
- Switch resolution to 1440x900
- the firefox window disappears

If I then run "firefox about:blank" the window appears in the window
list, but not on my screen. If I click it, the window partially appears
in the upper left corner of my desktop (see attached screenshot), from
where I can drag it down via alt-leftclick. The window then contains the
original tabs and about:blank as an additional one.

Metacity does not show this behaviour. Metacity resizes the window to the maximum size that is possible with the current resolution. If the resolution is changed back to the original, larger one, metacity restores the original window size.
Changing the resolution back to the original one when compiz was running had no effect.

ProblemType: Bug
Architecture: amd64
CompizPlugins: [core,ccp,dbus,place,mousepoll,gnomecompat,move,resize,decoration,png,svg,imgjpeg,text,neg,video,wall,snap,animation,scale,scaleaddon,expo,staticswitcher,regex,resizeinfo,workarounds,ezoom,vpswitch,extrawm,fade,session]
Date: Sat Aug 15 18:40:15 2009
DistroRelease: Ubuntu 9.10
MachineType: Dell Inc. Latitude E6400
Package: compiz 1:0.8.2-0ubuntu15
PackageArchitecture: all
PciDisplay: 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-5-generic root=UUID=8a24f1b2-f134-4248-b51f-c06d4095205f ro quiet splash
ProcEnviron:
 PATH=(custom, user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-5.24-generic
RelatedPackageVersions:
 xserver-xorg 1:7.4+3ubuntu5
 libgl1-mesa-glx 7.5-1ubuntu1
 libdrm2 2.4.12-1ubuntu1
 xserver-xorg-video-intel 2:2.8.0-0ubuntu2
 xserver-xorg-video-ati 1:6.12.99+git20090629.f39cafc5-0ubuntu5
SourcePackage: compiz
Uname: Linux 2.6.31-5-generic x86_64
XorgConf: Error: [Errno 2] No such file or directory: '/etc/X11/xorg.conf'
dmi.bios.date: 05/11/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A14
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA14:bd05/11/2009:svnDellInc.:pnLatitudeE6400:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude E6400
dmi.sys.vendor: Dell Inc.
system: distro = Ubuntu, architecture = x86_64, kernel = 2.6.31-5-generic

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


** Tags: amd64 apport-bug

-- 
Windows disappear if resolution is changed to something smaller than window size
https://bugs.launchpad.net/bugs/414134
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