Re: webcam not recognised ubuntu 64-bit 10.04 LTS (solved)

On 02/12/11 22:00, Bruce Kingsbury wrote:
> Also check that the USB port you're plugging it into is actually OK.
> generally you should see 'something' in dmesg or lsusb even if the device
> is completely unsupported. If you're not seeing anything I'd suspect the
> device or the USB port is actually broken.
>
>
> On 2 December 2011 21:29, Jaco<[email protected]>  wrote:
>
>>   Very odd, I've been told that no entries are added to the output of dmesg
>>> as a result of plugging it in.   The webcam must be faulty?
>>>
>> Could very-well be - I can't say that I've ever has any issues with
>> Logitech kit on *nix.
>> Try it on a windows machine&  see how that work.
>>
>> - J
>>
>>

The Logitech C270 webcam was taken back to the supplier and swapped for 
another unit of the same model. The original must have been faulty.   
For the replacement unit dmesg then yielded:

[16969.410023] usb 1-5: new high speed USB device using ehci_hcd and 
address 5
[16969.772378] usb 1-5: configuration #1 chosen from 1 choice
[16969.814883] Linux video capture interface: v2.00
[16969.826885] uvcvideo: Found UVC 1.00 device <unnamed> (046d:0825)
[16969.923154] input: UVC Camera (046d:0825) as 
/devices/pci0000:00/0000:00:1d.7/usb1/1-5/1-5:1.0/input/input6
[16969.923241] usbcore: registered new interface driver uvcvideo
[16969.923246] USB Video Class driver (v0.1.0)
[16970.920097] 5:3:1: cannot set freq 16000 to ep 0x86
[16971.920066] 5:3:2: cannot set freq 24000 to ep 0x86

Apparently the pavucontrol package was required in order to get the 
sound working for Skype... one of the settings was subsequently changed 
as described in the third paragraph here:
https://help.ubuntu.com/community/SkypeTroubleshooting

The last two lines of the dmesg output don't appear to have caused any 
obvious issues.   Were they just warnings rather than errors?

Anyway, my friend is happy with the outcome, so thanks for your help ;-)

Peter




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