Hi Chris, On Sunday 12 December 2010 23:45:36 Chris wrote: > Hi All, > > Getting this error after a period of correct operation: > [ 2890.610992] uvcvideo: Failed to query (135) UVC control 2 (unit 2) : > -110 (exp. 2). > [ 2890.939117] uvcvideo: Failed to query (135) UVC control 2 (unit 2) : > -110 (exp. 2). > [ 2891.267242] uvcvideo: Failed to query (135) UVC control 3 (unit 2) : > -110 (exp. 2). > [ 2891.595367] uvcvideo: Failed to query (135) UVC control 7 (unit 2) : > -110 (exp. 2). > [ 2891.923492] uvcvideo: Failed to query (135) UVC control 11 (unit 2) : > -110 (exp. 1). > [ 2892.251617] uvcvideo: Failed to query (135) UVC control 4 (unit 2) : > -110 (exp. 2). > [ 2892.579742] uvcvideo: Failed to query (135) UVC control 5 (unit 2) : > -110 (exp. 1). > [ 2892.907867] uvcvideo: Failed to query (135) UVC control 8 (unit 2) : > -110 (exp. 2). > [ 2893.235992] uvcvideo: Failed to query (135) UVC control 1 (unit 2) : > -110 (exp. 2).
Looks like a camera or USB controller crash. > How long the unit runs for before failing varies. > The only way to bring it back - that I have found so far - is a system > reboot. So unplugging and replugging the camera doesn't help ? > I have seen a number of posts that are similar to this problem but very > very old. > I am using the Logitech C910 - but have tried about 6 other cameras that > all have the same issue. All Logitech cameras, or other brands as well ? Do other USB devices connected to the same controller still work after the camera starts to fail ? > Sometimes it doesn't work straight after booting.. but most of the time > it works fine for a few hours. > > Any ideas or patches that could solve this issue? -- Regards, Laurent Pinchart _______________________________________________ Linux-uvc-devel mailing list Linux-uvc-devel@lists.berlios.de https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
