On Fri, 6 Jul 2007 22:34:56 +0200 Nigel Henry <[email protected]> wrote: > On Friday 06 July 2007 14:16, Tom Horsley wrote: > > Here's some behavior I've never seen before: > > > > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=247224 > > > > I don't know about your problem specifically, but would you post the output > from. > cat /proc/asound/cards > > First do this booting up with the webcam unplugged, then shutdown, plugin the > webcam, reboot, and run cat /proc/asound/cards again. > > It will be interesting to see if, when the webcam is plugged in, it is being > detected as card0. ( that is, the usb mike part of it), and your sound card > is being set as card1. I added the above info to the bugzilla, but there is no card1, the nvidia sound just completely disappears. > > Can you also post the output of /sbin/lsusb with the webcam plugged in, and > also the output from /sbin/lsmod. I think all the other info is already buried in some of the log files I added to the bugzilla. However, the most interesting fact so far is that if I rename the snd-usb-audio.ko kernel module so it can't be loaded, I can boot with the webcam plugged in, and everything (except, of course, the USB microphone) works fine.