After installing Ubuntu 11.10, I configured my Sound Settings to be 5.1 + analog input. It works ok, but after closing and reopening Banshee, the sound channels reverts back to 2 channels, this also happens on changing the song (ie. next, previous) and also after a reboot.
The configuration dialog is still selected "5.1 + analog input" but there no 5.1 sound at all, only the default stereo 2 channels only.
To fix it I have to open sound settings and in the output tab reselect "Internal Analog surround 5.1"
Is this fixable?