Hi Chris, On Wednesday 20 February 2008, Chris Vanden Berghe wrote: > Hi all, > > I'm having exactly the same problem with revision 186 and kernel > 2.6.24-8 on Kubuntu 8.04. > > The isight firmware and module load successfully, but no video device is > created. > > Feb 20 23:35:52 darwin kernel: [ 35.648328] uvcvideo: Found UVC 1.00 > device Built-in iSight (05ac:8501) > Feb 20 23:35:52 darwin kernel: [ 35.648336] uvcvideo: No valid video > chain found. > Feb 20 23:35:52 darwin kernel: [ 35.649122] usbcore: registered new > interface driver uvcvideo > Feb 20 23:35:52 darwin kernel: [ 35.649126] USB Video Class driver (SVN > r186) > > Does anybody know a solution/workaround for this problem?
Could you please post the output of lsusb -d 05ac:8501 -v (using usbutils 0.72 or newer, go for the latest version if possible) ? Please load the driver with the trace parameter set to 255 (modprobe uvcvideo trace=255) and post the kernel log messages printed by the UVC driver. Best regards, Laurent Pinchart _______________________________________________ Linux-uvc-devel mailing list [email protected] https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
