I can confirm it happening (lucid testing, lucid stable and maverick) my USB sound device based on C-Media CM106 chipset (the device is called "USB 7.1ch sound card", has both analog and optical I/O). Restarting PA helps until reboot.
I can confirm it happening (lucid testing, lucid stable and maverick) my USB sound device based on C-Media CM106 chipset (the device is called "USB 7.1ch sound card", has both analog and optical I/O). Restarting PA helps until reboot.