Hi Alexksandr, On Friday 18 December 2009 18:39:47 Aleksandr Zagorodnikov wrote: > I have notebook hp tx2650er and my UVC device is not listed.
Thanks for the report. [snip] > # dmesg | egrep -i uvc > uvcvideo: disagrees about version of symbol > v4l_compat_translate_ioctl > uvcvideo: Unknown symbol v4l_compat_translate_ioctl > uvcvideo: disagrees about version of symbol video_devdata > uvcvideo: Unknown symbol video_devdata > uvcvideo: disagrees about version of symbol > video_unregister_device > uvcvideo: Unknown symbol video_unregister_device > uvcvideo: disagrees about version of symbol video_device_alloc > uvcvideo: Unknown symbol video_device_alloc > uvcvideo: disagrees about version of symbol > video_register_device > uvcvideo: Unknown symbol video_register_device > uvcvideo: disagrees about version of symbol video_usercopy > uvcvideo: Unknown symbol video_usercopy > uvcvideo: disagrees about version of symbol > video_device_release > uvcvideo: Unknown symbol video_device_release > uvcvideo: disagrees about version of symbol > v4l_compat_translate_ioctl > uvcvideo: Unknown symbol v4l_compat_translate_ioctl > uvcvideo: disagrees about version of symbol video_devdata > uvcvideo: Unknown symbol video_devdata > uvcvideo: disagrees about version of symbol > video_unregister_device > uvcvideo: Unknown symbol video_unregister_device > uvcvideo: disagrees about version of symbol video_device_alloc > uvcvideo: Unknown symbol video_device_alloc > uvcvideo: disagrees about version of symbol > video_register_device > uvcvideo: Unknown symbol video_register_device > uvcvideo: disagrees about version of symbol video_usercopy > uvcvideo: Unknown symbol video_usercopy > uvcvideo: disagrees about version of symbol > video_device_release > uvcvideo: Unknown symbol video_device_release Those errors are caused by loading a version of the uvcvideo driver compiled from a linuxtv.org repository with core v4l modules provided by your distribution. You should use the core v4l modules from the uvcvideo tree. > dmesg | grep uvc > uvcvideo: Found UVC 1.00 device CKF7073 (04f2:b103) > uvcvideo: Failed to query (135) UVC control 1 (unit 0) : -32 (exp. > 26). > uvcvideo: Failed to query (129) UVC control 1 (unit 0) : -32 (exp. > 26). > uvcvideo: Failed to initialize the device (-5). > usbcore: registered new interface driver uvcvideo Ouch. That seems to be a very buggy webcam. Could you please try to load the uvcvideo driver with quirks=0x100 and see if it helps ? -- Regars, Laurent Pinchart _______________________________________________ Linux-uvc-devel mailing list Linux-uvc-devel@lists.berlios.de https://lists.berlios.de/mailman/listinfo/linux-uvc-devel