Description of problem:
In F15 gnome-control-center is pulled in through various dependencies on non-GNOME desktops (gnome-packagekit, gnome-bluetooth, ...) and gnome-sound-applet should not be started there as most of them already have a mixer applet.
Please add "OnlyShowIn=GNOME;" to /etc/xdg/autostart/gnome-sound-applet.desktop.
Version-Release number of selected component (if applicable):
control-center-126.96.36.199-3.fc15 has been submitted as an update for Fedora 15.
* should fix your issue,
* was pushed to the Fedora 15 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing control-center-188.8.131.52-3.fc15'
as soon as you are able to.
Please go to the following url:
then log in and leave karma (feedback).
control-center-184.108.40.206-3.fc15 has been pushed to the Fedora 15 stable repository. If problems still persist, please make note of it in this bug report.