Ecco qui:
[root@daniele-master daniele]# lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 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:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 05e3:0607 Genesys Logic, Inc.
Bus 001 Device 006: ID 058f:6364 Alcor Micro Corp.
Bus 002 Device 002: ID 04a9:2225 Canon, Inc. CanoScan LiDE 70
Bus 003 Device 002: ID 045e:0719 Microsoft Corp. Xbox 360 Wireless Adapter
Bus 004 Device 004: ID 041e:405f Creative Technology, Ltd
Bus 004 Device 003: ID 046d:c068 Logitech, Inc. G500 Laser Mouse
Bus 001 Device 007: ID 046d:c22b Logitech, Inc.
Bus 001 Device 008: ID 046d:c22a Logitech, Inc.
[root@daniele-master daniele]# lsmod|grep video
videodev 83008 1 gspca_main
media 10319 1 videodev
i2c_core 23631 6 videodev,i2c_i801,radeon,drm_kms_helper,drm,i2c_algo_bit
[root@daniele-master daniele]# dmesg|tail
66.510813] process `skype' is using obsolete setsockopt SO_BSDCOMPAT
110.475127] SELinux: initialized (dev proc, type proc), uses genfs_contexts
658.250051] usb 4-1: USB disconnect, device number 2
661.206035] usb 4-1: new full speed USB device number 4 using uhci_hcd
661.375363] usb 4-1: New USB device found, idVendor=041e, idProduct=405f
661.375367] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
661.375370] usb 4-1: Product: Creative WebCam Vista
661.375372] usb 4-1: Manufacturer: CRrative Labs
661.622365] ov519: reg_r8 47 failed -71
662.377022] ov519: probe of 4-1:1.0 failed with error -71
[root@daniele-master daniele]# ll /dev/video*
ls: impossibile accedere a /dev/video*: File o directory non esistente
E grazie sempre!!!