PCM playback volume sliders extremely erratic

Bug #323732 reported by atatistcheff
2
Affects Status Importance Assigned to Milestone
gnome-control-center (Ubuntu)
Fix Released
Undecided
Unassigned

Bug Description

I could try and guess the package name but it would only be a guess. This behavior occurs in gnome when adjusting the sound volume for the USB audio controller. The window title is "Volume Control: Logitech Speaker (Alsa Mixer)". Help --> About says, "Volume Control 2.22.0 a Gnome/Gstreamer-based volume control application (c) 2003-2004 Ronald Bultje." The reason I'm reporting this as a bug is there are several posts in the support forums with other having the same problem but no solutions.

Basically, after I installed the Logitech USB speakers, I went to System --> Preferences --> Sound and selected "USB Audio" for my audio output. Sound does go through the speakers however the volume control on the task bar has no effect on the audio. Nor does pushing the volume control buttons on the laptop. The volume applet volume indicator bar does move up and down but no volume changes are made. To adjust the volume I have to use the PCM volume control in the package described above. When trying to adjust the volume in this way the right channel slider seems to work fine but the left channel slider is very erratic and extremely difficult to get to the position desired. In addition, most of the time the link button at the bottom will not work to link the channels together. It will work intermittently but more often than not it simply won't link the sliders.

Using Ubuntu 8.04
Hardware is a Dell Inspiron 1420 laptop

Revision history for this message
Daniel T Chen (crimsun) wrote :

Fixed in karmic

affects: alsa-utils (Ubuntu) → gnome-control-center (Ubuntu)
Changed in gnome-control-center (Ubuntu):
status: New → Fix Released
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