Comment 28 for bug 459445

I have the same symptoms as Stapel reported. Ubuntu 11.10 64-bit updated with latest updates. After update and reboot, sound wouldn't work, sound icon displaying muted icon. Sound settings showed no hardware present. Unplugged the Logitech webcam and sound works again.

[ 3753.528186] 2:3:3: cannot set freq 16000 to ep 0x86
[ 3754.528185] 2:3:3: cannot set freq 16000 to ep 0x86
(repeating)

(unplugged webcam)

[ 3755.290207] usb 1-1: USB disconnect, device number 2
[ 3755.294055] 2:3:3: cannot set freq 16000 to ep 0x86
[ 3755.294413] 2:3:3: cannot set freq 16000 to ep 0x86
[ 3755.325177] 2:3:3: usb_set_interface failed
[ 3755.325189] 2:3:3: usb_set_interface failed
(repeating)