[ 8712.359253] ALSA sound/usb/clock.c:300 4:3:4: cannot set freq 48000 to ep 0x86
[ 8717.366675] ALSA sound/usb/clock.c:300 4:3:4: cannot set freq 48000 to ep 0x86
[ 8722.374131] ALSA sound/usb/clock.c:300 4:3:4: cannot set freq 48000 to ep 0x86
[ 8727.381577] ALSA sound/usb/clock.c:300 4:3:4: cannot set freq 48000 to ep 0x86
[ 8732.389020] ALSA sound/usb/clock.c:300 4:3:4: cannot set freq 48000 to ep 0x86
[ 8737.398441] ALSA sound/usb/clock.c:300 4:3:4: cannot set freq 48000 to ep 0x86
My Camera is Logitech C270
Bus 003 Device 004: ID 046d:0825 Logitech, Inc. Webcam C270
It happend also to me on Fedora 20.
[ 8712.359253] ALSA sound/usb/ clock.c: 300 4:3:4: cannot set freq 48000 to ep 0x86 clock.c: 300 4:3:4: cannot set freq 48000 to ep 0x86 clock.c: 300 4:3:4: cannot set freq 48000 to ep 0x86 clock.c: 300 4:3:4: cannot set freq 48000 to ep 0x86 clock.c: 300 4:3:4: cannot set freq 48000 to ep 0x86 clock.c: 300 4:3:4: cannot set freq 48000 to ep 0x86
[ 8717.366675] ALSA sound/usb/
[ 8722.374131] ALSA sound/usb/
[ 8727.381577] ALSA sound/usb/
[ 8732.389020] ALSA sound/usb/
[ 8737.398441] ALSA sound/usb/
My Camera is Logitech C270
Bus 003 Device 004: ID 046d:0825 Logitech, Inc. Webcam C270