Public bug reported:
Binary package hint: lxpanel
On a Maverick amd64 system, LXPanel (package version 0.5.6-0ubuntu2)'s
Volume Control panel applet sometimes stops responding to single-clicks.
The expected and usual behavior of a single left-click on the Volume
Control icon in the LXPanel is to bring up the volume slider, allowing
the audio volume to be adjusted. This bug occurs in a Lubuntu Dekstop
session; on this system LXDE is provided by lubuntu-desktop 0.18.
There appear to be multiple triggers for this bug. I have only
identified one -- double-clicking on the Volume Control icon. However, I
believe the bug has occured a number of times when I have not performed
this action. I think it occurs more often when I am running VMWare
Workstation (version 7.1.3 build-324285) than when I am not, but I am
not sure.
I have found two workarounds that are always successful, but which are
cumbersome and undesirable:
(A) Logging out and back in.
(B) Terminating lxpanel ("killall lxpanel") and restarting it manually.
I have also found two workarounds that are quick and easy, but only
sometimes effective:
(1) Double-clicking the icon again usually creates an entry in the Task
Bar (Window List) called [lxpanel]. Clicking that entry usually brings
up the volume slider, and dismissing the slider (by clicking the Task
Bar entry again) often causes the Volume Control icon to become
responsive to single-clicks again. When I intentionally trigger this bug
as described above, this workaround has always been effective. When this
bug has occured following an unknown trigger, this technique has not
always been effective.
(2) Adding a new Volume Control panel applet to the LXPanel and removing
the old one is sometimes effective, but sometimes has no effect, and has
twice produced the crash described in Bug 690932 when attempting to
adjust the volume slider. That bug report contains a less complete
description of this bug. Since this bug report includes relevant details
that I discovered since making that report, that report should not be
taken as a complete account of this bug.
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: lxpanel 0.5.6-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.35-24.42-generic 2.6.35.8
Uname: Linux 2.6.35-24-generic x86_64
Architecture: amd64
Config_Home_Lubuntu:
[Command]
FileManager=pcmanfm %s
Terminal=lxterminal -e
Logout=lubuntu-logout
Date: Mon Dec 20 07:29:29 2010
ExecutablePath: /usr/bin/lxpanel
InstallationMedia: Xubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100406)
ProcEnviron:
LANGUAGE=en_US.utf8
LANG=en_US.utf8
LC_MESSAGES=en_US.utf8
SHELL=/bin/bash
SourcePackage: lxpanel
** Affects: lxpanel (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug maverick
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https://bugs.launchpad.net/bugs/692546
Title:
lxpanel Volume Control applet fails to raise volume slider when clicked
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