Le jeudi 16 novembre 2006 à 02:10 +0100, Alain PORTAL a écrit :
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
When I load the module ("modprobe gspca"), new in messages.log: kernel: usbcore: registered new driver gspca kernel: /var/tmp/bach-build/BUILD/gspcav1-20060925/gspca_core.c: gspca driver 01.00.04
And always no /dev/video0
I create it ("mknod /dev/video0 c 81 0; chmod go+wr /dev/video0"), verify
[root@lns-bzn-59-82-252-142-2 ~]# ls -l /dev/video0 crw-rw-rw- 1 root root 81, 0 nov 16 01:45 /dev/video0
and run an application
[root@lns-bzn-59-82-252-142-2 ~]# xawtv This is xawtv-3.95, running on Linux/i686 (2.6.18-1.2239.fc5) WARNING: v4l-conf is compiled without DGA support. can't open /dev/video0: No such device v4l-conf had some trouble, trying to continue anyway 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?
I'm loosing my hair...
The device is automatically created if the driver recognize the device. If i do dmesg | grep gspca : gspca: no version for "struct_module" found: kernel tainted. /var/tmp/bach-build/BUILD/gspcav1-20060925/gspca_core.c: USB SPCA5XX camera found.(ZC3XX) /var/tmp/bach-build/BUILD/gspcav1-20060925/gspca_core.c: [spca5xx_probe:3885] Camera type JPEG /var/tmp/bach-build/BUILD/gspcav1-20060925/Vimicro/zc3xx.h: [zc3xx_config:515] Sensor ID:10 /var/tmp/bach-build/BUILD/gspcav1-20060925/Vimicro/zc3xx.h: [zc3xx_config:587] Find Sensor PAS106 /var/tmp/bach-build/BUILD/gspcav1-20060925/gspca_core.c: [spca5xx_getcapability:1163] maxw 352 maxh 288 minw 176 minh 144 usbcore: registered new driver gspca /var/tmp/bach-build/BUILD/gspcav1-20060925/gspca_core.c: gspca driver 01.00.04 registered
Perhaps also the device created is not /dev/vodeo0 but /dev/videoX. For me the device change at every reboot because i have also a tv card and the first one get /dev/video0, the second /dev/video1 and so on...
Hope this will help you.
Eric