[arch-general] usb webcam no audio

Bastian Beischer bastian.beischer at rwth-aachen.de
Fri Jul 22 12:01:30 EDT 2011


Hi,

I think this issue might related to:

https://bbs.archlinux.org/viewtopic.php?id=121607

On Fri, Jul 22, 2011 at 5:57 AM, Matthew Monaco <dgbaley27 at 0x01b.net> wrote:

> I haven't been able to get audio on my webcam for a while. My initial guess
> is that it has to do with all of the udev changes.
>
> I'm using gnome w/ pulseaudio. The audio properties show the device on the
> input tab, but it doesn't detect any activity.
>
> everything.log:
> Jul 21 23:54:08 newguy kernel: [11606.472285] usb 4-5: new high speed USB
> device number 2 using ehci_hcd
> Jul 21 23:54:09 newguy mtp-probe: checking bus 4, device 2:
> "/sys/devices/pci0000:00/0000:**00:13.2/usb4/4-5"
> Jul 21 23:54:09 newguy mtp-probe: bus: 4, device: 2 was not an MTP device
> Jul 21 23:54:09 newguy kernel: [11607.089065] Linux media interface: v0.10
> Jul 21 23:54:09 newguy kernel: [11607.121723] Linux video capture
> interface: v2.00
> Jul 21 23:54:09 newguy kernel: [11607.129054] uvcvideo: Found UVC 1.00
> device Hercules Dualpix Exchange (06f8:3005)
> Jul 21 23:54:09 newguy kernel: [11607.134791] input: Hercules Dualpix
> Exchange as /devices/pci0000:00/0000:00:**13.2/usb4/4-5/4-5:1.0/input/**
> input6
> Jul 21 23:54:09 newguy kernel: [11607.134938] usbcore: registered new
> interface driver uvcvideo
> Jul 21 23:54:09 newguy kernel: [11607.134943] USB Video Class driver
> (v1.0.0)
> Jul 21 23:54:09 newguy kernel: [11607.197743] 2:3:1: cannot get freq at ep
> 0x84
> Jul 21 23:54:09 newguy kernel: [11607.198679] usbcore: registered new
> interface driver snd-usb-audio
> Jul 21 23:54:09 newguy kernel: [11607.251849] 2:3:1: cannot get freq at ep
> 0x84
> Jul 21 23:54:09 newguy kernel: [11607.276979] 2:3:1: cannot get freq at ep
> 0x84
> Jul 22 03:54:09 newguy rtkit-daemon[1012]: Recovering from system lockup,
> not allowing further RT threads.
> Jul 22 03:54:09 newguy rtkit-daemon[1012]: Recovering from system lockup,
> not allowing further RT threads.
> Jul 22 03:54:09 newguy rtkit-daemon[1012]: Recovering from system lockup,
> not allowing further RT threads.
> Jul 22 03:54:09 newguy rtkit-daemon[1012]: Recovering from system lockup,
> not allowing further RT threads.
> Jul 22 03:54:09 newguy rtkit-daemon[1012]: Recovering from system lockup,
> not allowing further RT threads.
> Jul 21 23:54:45 newguy kernel: [11643.290970] 2:3:1: cannot get freq at ep
> 0x84
>
>
> dmesg:
> [11606.472285] usb 4-5: new high speed USB device number 2 using ehci_hcd
> [11607.089065] Linux media interface: v0.10
> [11607.121723] Linux video capture interface: v2.00
> [11607.129054] uvcvideo: Found UVC 1.00 device Hercules Dualpix Exchange
> (06f8:3005)
> [11607.134791] input: Hercules Dualpix Exchange as
> /devices/pci0000:00/0000:00:**13.2/usb4/4-5/4-5:1.0/input/**input6
> [11607.134938] usbcore: registered new interface driver uvcvideo
> [11607.134943] USB Video Class driver (v1.0.0)
> [11607.197743] 2:3:1: cannot get freq at ep 0x84
> [11607.198679] usbcore: registered new interface driver snd-usb-audio
> [11607.251849] 2:3:1: cannot get freq at ep 0x84
> [11607.276979] 2:3:1: cannot get freq at ep 0x84
> [11643.290970] 2:3:1: cannot get freq at ep 0x84
>



-- 
Bastian Beischer

I. Physikalisches Institut B (RWTH Aachen)
Sommerfeldstr. 14
52074 Aachen
GERMANY

Office: 28-C-203
Phone: +49 241 - 8027205


More information about the arch-general mailing list