Re: [Linux-uvc-devel] no joy with quickcam 5000

[Laurent P. <lau...@sk...>]

> I think I spoke too soon.  It doesn't seem to be working for jpg now
> anymore:
>
> $ /usr/src/luvcview-20060207/luvcview -d /dev/video1 -f jpg
> uvcview verion 0.1.4
> Video driver: x11
> A window manager is available
> video /dev/video1
> Unable to dequeue buffer (5).
> Error grabbing
>  Clean Up done Quit
>
> and dmesg says:
>
> uvcvideo: Found UVC 1.00 device <unnamed> (046d:08c5)
> usbcore: registered new driver usbvideo
> USB Video Class driver (v0.1.0)
> uvcvideo: Non-zero status (-84) in isoc completion handler.
> uvcvideo: Non-zero status (-84) in isoc completion handler.
> uvcvideo: Non-zero status (-84) in isoc completion handler.
> uvcvideo: Non-zero status (-84) in isoc completion handler.
> uvcvideo: Non-zero status (-84) in isoc completion handler.
> uvcvideo: Non-zero status (-84) in isoc completion handler.

That's a low-level USB error. Either the device or the host controller is at 
fault. Are you runing Linux 2.6.15 ? If not, please upgrade.

Laurent Pinchart