uname -a
Linux tucnak-desktop 2.6.31-17-generic #54-Ubuntu SMP Thu Dec 10 17:01:44 UTC 2009 x86_64 GNU/Linux
dpkg -l | grep libv4l
ii libv4l-0 0.6.0-1 Collection of video4linux support libraries
locate v4l1compat.so
/usr/lib/libv4l/v4l1compat.so
/usr/lib32/libv4l/v4l1compat.so
lsusb
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 002 Device 003: ID 17ef:4802 Lenovo Lenovo Vc0323+MI1310_SOC Camera
Bus 002 Device 002: ID 18e3:9101 Fitipower Integrated Technology Inc
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 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 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 002: ID 051d:0002 American Power Conversion Uninterruptible Power Supply
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
skype --version
Skype 2.1.0.47
Copyright (c) 2004-2009, Skype Limited