Comment 5 for bug 439856

Same situation with me. Philips webcam worked fine under 9.04. After upgrade to 9.10 "could not detect video device ...".
lsusb appears to detect the device:

Bus 001 Device 004: ID 04a9:1729 Canon, Inc. MX700 ser
Bus 001 Device 003: ID 0471:2034 Philips
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 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
Bus 002 Device 003: ID 07cc:0200 Carry Computer Eng., Co., Ltd 6-in-1 Card Reader
Bus 002 Device 002: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop Laser
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub