После использования видеокамеры она отваливается - привожу lsusb
evgen@evgen-System-Product-Name:~$ lsusb
Bus 001 Device 003: ID 0ac8:3610 Z-Star Microelectronics Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
evgen@evgen-System-Product-Name:~$ lsusb
Bus 001 Device 004: ID 0ac8:3610 Z-Star Microelectronics Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
evgen@evgen-System-Product-Name:~$
Первое lsusb - видеокамера работает, второе - нет.