переустановил ubuntu, пришлось все делать заново, для заметки в историю пишу как оживить:
:~$ lsusb
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 002: ID 0a5c:2101 Broadcom Corp. A-Link BlueUsbA2 Bluetooth
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 002: ID 09da:0006 A4 Tech Co., Ltd Optical Mouse WOP-35 / Trust 450L Optical Mouse
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 174f:5931 Syntek
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 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 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
:~$ uname -r
2.6.28-13-generic
Решается так:
sudo aptitude install mercurial
cd ~/
hg clone
http://linuxtv.org/hg/~pinchartl/uvcvideo/cd ~/uvcvideo
make
sudo make install
sudo reboot