Alain PORTAL writes:
Hi,
Can somebody tell me how is created this device?
When I'm connecting my webcam, nothing happends but in messages.log:
kernel: usb 4-1.4: USB disconnect, address 3 kernel: usb 4-1.4: new full speed USB device using uhci_hcd and address 4 kernel: usb 4-1.4: not running at top speed; connect to a high speed hub kernel: usb 4-1.4: configuration #1 chosen from 1 choice kernel: 4:3:1: cannot set freq 0 to ep 0x86 kernel: 4:3:2: cannot set freq 0 to ep 0x86
[ … ]
v4l2: open /dev/video0: Aucun périphérique de ce type v4l2: open /dev/video0: Aucun périphérique de ce type v4l: open /dev/video0: Aucun périphérique de ce type no video grabber device available
Where is the problem?
The kernel module is responsible for doing a bunch of things that eventually results in the creation of a device node.
If you don't get a device node, it usually means that your hardware device is not supported by the Linux kernel.