Public bug reported:
$ lsb_release -rd
Description: Ubuntu 8.04.1
Release: 8.04
$ gnome-volume-control --version
GNOME gnome-volume-control 2.22.0
I have PulseAudio Sound Server selected for everything in
System->Preferences->Sound->Devices, i.e.
* Sound Events
* Music and Movies
* Audio Conferencing
In gnome-volume-control, I want to be able to drag the sliders, of the
PCM module for example, up and down to adjust sound volume. I also would
like the same volume level in both of my ears (using headphones) so I
choose to enable that the left- and right-channel sliders should be
locked/linked together so that I slide one of the sliders and the other
one follows. I do this by clicking the little "link" button below the
sliders and the status field at the bottom of the window says: "Lock
channels for PCM together".
When I actually slider the sliders up and down, adjusting the volume,
the locking of the channel sliders disables, effectively UNlocking the
channel sliders. This happens seemingly at random; I cannot give any
other reproduction directions other than..: mess around with the sliders
a little bit -- drag them up and down, maybe not too quickly, but
smoothly, for a little bit and I believe it will happen.
It is also visually apparent that the sliders unlock because the button
with the chain links on it changes from linked together to apart.
I don't know whether this is a problem with gnome-volume-control or GTK
or what, but I chose gnome-volume-control because that's what I see.
There are also no error messages if I run gnome-volume-control in the
terminal, and:
$ gnome-volume-control --gtk-debug=all
Unknown option --gtk-debug=all
... apparently the man page for gnome-volume-control is a little bit
mistaken or something.
To reproduce this, you do not need to have any sound playing, but my
experience in testing this problem out is that it does occur more
frequently! So if you intend to try this for yourself, maybe have a song
or something playing in the background while sliding the sliders up and
down. Doesn't matter either which slider (left or right channel) or
which module you change.
This problem also occurs when using the scroll wheel to slide the
sliders.
Thanks for your time!
** Affects: ubuntu
Importance: Undecided
Status: New
--
Volume control sliders "separate" when dragged
https://bugs.launchpad.net/bugs/264108
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