webcam works on one of two Lucid systems

NoOp glgxg at
Mon Jul 19 23:17:06 UTC 2010

On 07/19/2010 01:14 PM, Adam Funk wrote:
> On 2010-07-19, NoOp wrote:
>> On 07/18/2010 01:41 PM, Adam Funk wrote:
> [webcam works on mplayer but not cheese or skype]

If it works in mplayer, it may be possible that the device isn't
properly defined in cheese or skype. Per:
uvcvideo: Found UVC 1.00 device <unnamed> (046d:0804)
input: UVC Camera (046d:0804) as

Seems to be an "<unnamed> device. Can you load guvcview and see if it
shows up there?

$ sudo apt-get install guvcview

Then Applications|Sound & Video|guvcview

Can you also provide the output of these with the camera plugged in?

$ ls /dev/video*

Also have a look through:
and see if any of the suggestions there help.
And according to this:
 Logitech Webcam C250 uvcvideo 046d:0804 Yes Yes, Out of the box
10.04 (Lucid)
Works perfectly with Skype and Cheese (microphone too)

>> Please provide the graphics sections from:
>> $ sudo lspci -v
> See below.  Thanks for looking into this!
> 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
>         Subsystem: Samsung Electronics Co Ltd Device c504
>         Flags: bus master, fast devsel, latency 0, IRQ 16
>         Memory at d8100000 (32-bit, non-prefetchable) [size=512K]
>         I/O ports at 1800 [size=8]
>         Memory at c0000000 (32-bit, prefetchable) [size=256M]
>         Memory at d8200000 (32-bit, non-prefetchable) [size=256K]
>         Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable-
>         Capabilities: [d0] Power Management version 2
>         Kernel driver in use: i915
>         Kernel modules: i915

Thanks - just wanted to verify your chip and kernel module (i915).

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