Skype makes webcam disappear from lsusb

Hi all,
I have a logitech QuickCam Deluxe for Notebooks, and up until my last pacman -Syu last weekend, it worked with skype as long as I started skype using
export XLIB_SKIP_ARGB_VISUALS=1 && skype
It has always worked with xawtv -c /dev/video0, and it continues to do so.
Now it doesn't work with Skype no matter how I start skype (normally or after exporting XLIB...) I get "No video devices found" on the video page in Options.  AND, after I quit skype xawtv doesn't work any more, and the device has disappeared from lsusb.  It has to be unplugged and plugged into a _different_ usb port to show up again.
user@user-laptop:~$ lsusb
Bus 002 Device 002: ID 0483:2016 SGS Thomson Microelectronics Fingerprint Reader
Bus 006 Device 006: ID 046d:09c1 Logitech, Inc. QuickCam Deluxe for Notebooks
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
user@user-laptop:~$ skype
^C
user@user-laptop:~$ lsusb
Bus 002 Device 002: ID 0483:2016 SGS Thomson Microelectronics Fingerprint Reader
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
I have a thinkpad X61.  Any ideas?  Thanks in advance!
-Lefty

Look at the output of dmesg and see if the device encountered a bus disconnect.  If it did, there may be a reason logged there as well.  Also, if there was a bus disconnect, check before it in the dmesg output to see what may have preceded the disconnect.  Also, check your logs in /var/log for clues.

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