Hello, my webcam used to work almost fine with older kernels, but failures have become too frequent since 3.0:
usb 2-6.1: new high speed USB device number 19 using ehci_hcd
uvcvideo: Found UVC 1.00 device <unnamed> (046d:0994)
input: UVC Camera (046d:0994) as
/devices/pci0000:00/0000:00:1d.7/usb2/2-6/2-6.1/2-6.1:1.0/input/input17
uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: -110 (exp.
2).
uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: -110 (exp.
2).
uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: -110 (exp.
2).
uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: -110 (exp.
2).
uvcvideo: Failed to query (GET_DEF) UVC control 3 on unit 2: -110 (exp.
2).
The camera is nearly unusable right now. The video stops soon after an
application that reads it (e.g. cheese) is started. There are numerous error
messages related to uvcvideo in dmesg. Examples follow:
uvcvideo: Found UVC 1.00 device <unnamed> (046d:0994)
uvcvideo: UVC non compliance - GET_DEF(PROBE) not supported. Enabling
workaround.
uvcvideo: Failed to query (129) UVC probe control : -110 (exp. 26).
uvcvideo: Failed to initialize the device (-5).
uvcvideo: Deprecated UVCIOC_CTRL_{ADD,MAP_OLD,GET,SET} ioctls will be
removed in 2.6.42.
uvcvideo: See http://www.ideasonboard.org/uvc/upgrade/ for upgrade
instructions.
uvcvideo: Failed to query (SET_CUR) UVC control 3 on unit 1: -110 (exp.
1).
uvcvideo: Failed to set UVC probe control : -75 (exp. 26).
uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
uvcvideo: Failed to set UVC commit control : -110 (exp. 26).
uvcvideo: Deprecated UVCIOC_CTRL_{ADD,MAP_OLD,GET,SET} ioctls will be
removed in 2.6.42.
uvcvideo: See http://www.ideasonboard.org/uvc/upgrade/ for upgrade
instructions.
uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: -110 (exp.
2).
uvcvideo: Failed to query (GET_MAX) UVC control 4 on unit 2: -110 (exp.
2).
All these mesasges were observed on a 3.0.7 kernel when plugging/unplugging the
camera a couple of times, both with and without a hub between the computer and
the camera. (There was still the same problem in all cases.)
BTW, is there any possibility to get the motion and autofocus features running?
They used to work fine on 32-bit kernels using the uvcdynctrl/guvcview
combination, but there seems to be *no* way to make it work on my 64-bit
machines. It simply doesn't work, no matter what I try. Is there an updated
howto for this?
A piece of advice would be very heplpful. :-)
Andrej
smime.p7s
Description: Elektronický podpis S/MIME
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