Public bug reported:
Binary package hint: openbox
On a Lubuntu Natty amd64 system in a Lubuntu Desktop session with
openbox 3.4.11.2-0ubuntu3, unclosable, blank (light gray), borderless
ghost windows sometimes appear. This seems most often to be triggered by
closing a contextual menu (or sometimes an application menu). These
appear to be windows rather than areas where the background or
foreground elements are not being drawn, as clicking inside one of the
ghost windows has no effect (i.e., it does not have the effect of
clicking in the window behind it). However, these windows cannot be
switched to--clicking them does not change what window is in the
foreground. These ghost windows appear in front of regular windows, but
behind menus.
openbox is run automatically in a Lubuntu Desktop session with the
command line "openbox --config-file /home/ek/.config/openbox/lubuntu-
rc.xml". (I've attached the file lubuntu-rc.xml.) I ran "openbox
--config-file /home/ek/.config/openbox/lubuntu-rc.xml --replace", but
that did not make the ghost windows go away. Quitting the new openbox
process with Ctrl+C (SIGINT) made the ghost windows go away, but they
returned when I restarted openbox with that same command. I quit the
replacement openbox instance again, and found that the original instance
of openbox was still running. I tried unsuccessfully to kill it with
SIGTERM; then I successfully killed it with SIGKILL. As expected, this
did not change the behavior of the windows on my desktop. Restarting
openbox once again restored the ghost windows, as expected.
I'm attaching three screenshots. The first shows a normal desktop, with
the ghost windows. The second shows an application (VLC) in full screen
mode, with the ghost windows, and with a contextual menu in front of
part of one of them. The third shows a desktop without the ghost
windows, achieved by running openbox with the --replace flag as
described above, then quitting the new instance with SIGINT.
I think perhaps some running application may be producing these windows.
If so, I'm not sure if that means the application is at fault, or
openbox, or both. If I can get them to disappear by closing some
application, I'll provide that information.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: openbox 3.4.11.2-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.38-9.43-generic 2.6.38.4
Uname: Linux 2.6.38-9-generic x86_64
Architecture: amd64
Date: Mon Jun 6 21:45:54 2011
ExecutablePath: /usr/bin/openbox
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110413.1)
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: openbox
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: openbox (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug natty
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https://bugs.launchpad.net/bugs/793836
Title:
openbox occasionally renders unclosable blank ghost windows
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