[PlanetCCRMA] sound issue with webcam

Fernando Lopez-Lezcano nando at ccrma.Stanford.EDU
Tue Feb 19 16:46:02 2008


On Tue, 2008-02-19 at 16:48 -0600, Tom Poe wrote:
> Nigel Henry wrote:
> > You say you have video from the webcam working, so the uvcvideo module is 
> > presumably loaded, but no sound from the webcam.
> >
> > I think now I'd su to root on the command line, and do a rmmod uvcvideo, 
> > followed by a rmmod snd-usb-audio.
> >
> > I don't like guessing for resolving problems, without having the hardware 
> > available, but I'd now do a modprobe snd-usb-audio, followed by a modprobe 
> > uvcvideo.
> >
> > Sorry if I've been of no help whatsoever, but it's all I can suggest without 
> > having the hardware available.
> >
> Nigel:  Looks like an issue when using ccrma kernel:
> # uname -r
> 2.6.24.2-1.rt1.3.fc8.ccrmart
> I'm going to now reboot to FC8PAE kernel, and try again.
> 
> [root@localhost tom]# rmmod uvcvideo
> bash: rmmod: command not found
> [root@localhost tom]# /sbin/rmmod uvcvideo
> ERROR: Module uvcvideo does not exist in /proc/modules
> [root@localhost tom]# /sbin/rmmod snd-usb-audio
> ERROR: Module snd_usb_audio is in use
> [root@localhost tom]# modprobe snd-usb-audio
> bash: modprobe: command not found
> [root@localhost tom]# /sbin/modprobe snd-usb-audio
> [root@localhost tom]# /sbin/modprobe uvcvideo
> FATAL: Error inserting uvcvideo 
> (/lib/modules/2.6.24.2-1.rt1.3.fc8.ccrmart/usb/media/uvcvideo.ko): 
> Invalid module format
> [root@localhost tom]#

This is with the web cam plugged in?

-- Fernando