Yes, there is some dmesg text....
This is both plugging in the camera and from running
gst-launch-0.10 v4l2src ! video/x-raw-yuv,width=640,height=480 ! xvimagesink
[ 8064.905024] usb 1-4: new high speed USB device using ehci_hcd and address 3
[ 8065.166803] usb 1-4: configuration #1 chosen from 1 choice
[ 8065.538788] uvcvideo: Found UVC 1.00 device <unnamed> (046d:08ca)
[ 8065.558724] input: UVC Camera (046d:08ca) as
/devices/pci0000:00/0000:00:02.1/usb1/1-4/1-4:1.0/input/input4
[ 8065.558790] usbcore: registered new interface driver uvcvideo
[ 8065.558793] USB Video Class driver (v0.1.0)
[ 8121.352316] uvcvideo: Failed to query (131) UVC probe control : -32 (exp.
26).
[ 8121.355309] uvcvideo: Failed to set UVC probe control : -32 (exp. 26).
[ 8122.355194] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8123.355068] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8124.355069] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8125.355069] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8126.355071] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8127.355070] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8128.355071] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8129.355070] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8130.355072] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8131.355071] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8132.355072] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8133.355072] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8134.355245] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8135.355073] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8136.355074] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8137.355074] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8138.355075] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8139.355074] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8140.355076] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8141.355075] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8142.355076] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8143.355076] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8144.355077] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8145.355076] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8146.355079] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8147.355077] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8148.355078] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8149.355078] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8150.355080] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8151.355079] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8152.355080] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8153.355079] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8154.355081] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8155.355081] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8156.355081] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8157.355081] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8158.355083] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8159.358968] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8160.359077] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8161.359331] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[ 8162.360084] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
I'm not really sure what that means...
Regards,
Chris.
On Wednesday 17 March 2010 12:52:08 pm Laurent Pinchart wrote:
> Hi Christopher,
>
> On Wednesday 10 March 2010 08:40:14 Christopher Harvey wrote:
> > Hi again,
> > I tried a slightly different command:
> > gst-launch-0.10 v4l2src ! video/x-raw-yuv,width=640,height=480 !
> > xvimagesink
> >
> > (gst-launch-0.10:6239): GLib-WARNING **: g_set_prgname() called multiple
> > times Setting pipeline to PAUSED ...
> > Pipeline is live and does not need PREROLL ...
> > ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Device
> > '/dev/video0' cannot capture at 640x480
> > Additional debug info:
> > gstv4l2object.c(1854): gst_v4l2_object_set_format ():
> > /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
> > Call to S_FMT failed for YUYV @ 640x480: Input/output error
> > ERROR: pipeline doesn't want to preroll.
> > Setting pipeline to PAUSED ...
> > Setting pipeline to READY ...
> > Setting pipeline to NULL ...
> > Freeing pipeline ...
> >
> > and I KNOW this camera works at that resolution and video format.
> > I setup the same camera on the other laptop that previously had OpenSUSE
> > installed and it worked with kernel version 2.6.31-r10 (x86, gentoo this
> > time).
> > The broken one is 2.6.31-r6 amd 64bit.
> >
> > are
> > CONFIG_USB_VIDEO_CLASS=m
> > CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y
> > the only kernel parameters that matter? I tried with both the usb audio
> > module enabled and disabled. (built in for the audio) The camera has a
> > mic, but I don't care about it.
>
> Could you check if the driver prints anything to the kernel log (use the
> dmesg command) when you get the above error with GStreamer ?
>
_______________________________________________
Linux-uvc-devel mailing list
Linux-uvc-devel@lists.berlios.de
https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
