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 Forum index » Advanced Topics » Hardware » Video
Webcam Logitech USB on Puppy 4.2.1
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Henk-Jan

Joined: 15 Apr 2010
Posts: 11
Location: Amsterdam

PostPosted: Thu 15 Apr 2010, 07:57    Post subject:  Webcam Logitech USB on Puppy 4.2.1
Subject description: USB problem with camera
 

The USB-bus does not recognize the Logitech C120 cam.
However another USB-device such as a USB-stick is fully recognized.

HardInfo says: OHCI Host Controller - Unknown USB 2.00 Device (class 239)

dmesg -l |grep uvc says:
uvcvideo: Found UVC 1.00 device <unnamed> (046d:080f)
uvcvideo: No valid video chain found

Kernel: Linux 2.6.30.5

Who can help?
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tempestuous

Joined: 10 Jun 2005
Posts: 5258
Location: Australia

PostPosted: Thu 15 Apr 2010, 09:20    Post subject:  

Your Logitech C200 requires a very recent version of the uvcvideo driver, available with the latest kernel 2.6.33.
The most recent Quirky or Wary test release should have this driver.
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Henk-Jan

Joined: 15 Apr 2010
Posts: 11
Location: Amsterdam

PostPosted: Fri 16 Apr 2010, 02:47    Post subject:  

Thanks, in Quicky I do not see the 'no video chain' error message. Unfortunately there is another one: I cannot connect via the wireless card.

After selecting the driver, the card does not become active.

The same for Wary
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tempestuous

Joined: 10 Jun 2005
Posts: 5258
Location: Australia

PostPosted: Fri 16 Apr 2010, 03:27    Post subject:  

EDIT
Modified version of uvcvideo driver for Puppy 4.3.x now removed.

Last edited by tempestuous on Sat 17 Apr 2010, 05:43; edited 1 time in total
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tempestuous

Joined: 10 Jun 2005
Posts: 5258
Location: Australia

PostPosted: Fri 16 Apr 2010, 03:31    Post subject:  

Henk-Jan wrote:
in Quirky
...
I cannot connect via the wireless card.

Details? Wifi card - manufacturer, model, revision?

Henk-Jan wrote:
After selecting the driver, the card does not become active.

Which driver, specifically?
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Henk-Jan

Joined: 15 Apr 2010
Posts: 11
Location: Amsterdam

PostPosted: Fri 16 Apr 2010, 05:04    Post subject:  

Quicky does not do anything with the airo_cs driver for the Cisco Aironet 350 pcmcia.

In puppy 4.2.1 everything was fine. No problems with the Network Whizzard.

Thanks, HJ.
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Henk-Jan

Joined: 15 Apr 2010
Posts: 11
Location: Amsterdam

PostPosted: Fri 16 Apr 2010, 05:39    Post subject:  

'No valid video chain found'

And: 'OHCI Host Controller - Unknown USB 2.00 Device (class 239).'

I think something goes wrong at the USB.
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tempestuous

Joined: 10 Jun 2005
Posts: 5258
Location: Australia

PostPosted: Sat 17 Apr 2010, 05:45    Post subject:  

OK, it seems that hacked device detection is not good enough, your device needs updated driver code.
I have just deleted the test driver for 4.3.x in the earlier post.

Henk-Jan wrote:
Quirky does not do anything with the airo_cs driver for the Cisco Aironet 350 pcmcia.

There's nothing exotic about the old airo_cs driver, you should diagnose the problem.
First check that the PCMCIA system recognises your device with these 2 commands -
Code:
pccardctl status
pccardctl ident

If your wifi device is listed, run this command
Code:
dmesg

and look for information about how the airo_cs driver loaded.

If you cannot see your device listed, refer to this information about how to reset the Cardbus interface -
http://www.murga-linux.com/puppy/viewtopic.php?p=31707#31707
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rcrsn51


Joined: 05 Sep 2006
Posts: 9120
Location: Stratford, Ontario

PostPosted: Sat 17 Apr 2010, 10:36    Post subject:  

Quote:
In puppy 4.2.1 everything was fine. No problems with the Network Whizzard.

Are we now starting to see situations where users assume that Quirky is a general-purpose Puppy when it really isn't?
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Henk-Jan

Joined: 15 Apr 2010
Posts: 11
Location: Amsterdam

PostPosted: Sat 17 Apr 2010, 13:37    Post subject:  

Thanks for your help so far.
Most important now is the get the cam working, if it can.

I leave it now for a while.
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jairomacon

Joined: 21 Apr 2010
Posts: 3

PostPosted: Fri 23 Apr 2010, 14:24    Post subject:  

As the Logitech C120 cam provides the Hi-Speed USB 2.0 certified.The standard drivers are provided by the Operating System and will only provide minimal camera support whith the USB. Your device needs update drivers to have compatibility with the puppy Linux.and For updates on compatibility issues and driver support, please continue to check the Support C120.
_________________
Where there is will there is way.
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tempestuous

Joined: 10 Jun 2005
Posts: 5258
Location: Australia

PostPosted: Fri 23 Apr 2010, 23:59    Post subject:  

Wha?

jairomacon wrote:
Your device needs update drivers to have compatibility with the puppy Linux.

Which drivers? As we have been discussing, the only driver for the Logitech C120 compatible under Linux is the uvcvideo kernel module,
and as Henk-Jan has indicated, albeit unclearly, this driver appears to work under the 2.6.33 kernel -
Henk-Jan wrote:
Thanks, in Quirky I do not see the 'no video chain' error message.


jairomacon wrote:
For updates on compatibility issues and driver support, please continue to check the Support C120.

Where? Who? What are you talking about? The Logitech website? That's no help, they only provide Windows drivers.
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