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ewhac
Posted on: 2007/8/24 22:13
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Joined: 2007/8/24
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/dev/video Device Does Not Appear
I tried using sn9cxxx 2.06 on my ThinkPad Z61t, without success. I'm running straight Debian 'unstable', kernel version 2.6.22, 32-bit, SMP, PREEMPT. No video device node appears in /dev. Neither Ekiga nor VLC sees anything

I used 'modprobe --force' to get the module to load. The diagnostics left in the /var/log/messages were as follows:

Aug 24 12:41:20 walkies kernel: sn9cxxx: no version for "struct_module" found: kernel tainted.
Aug 24 12:41:31 walkies kernel: sn9cxxx: no version magic, tainting kernel.
Aug 24 12:41:31 walkies kernel: sn9cxxx: module license 'Proprietary' taints kernel.
Aug 24 12:41:31 walkies kernel: Symbol usb_register_driver is being used by a non-GPL module, which will not be allowed in the future
Aug 24 12:41:31 walkies kernel: Please see the file Documentation/feature-removal-schedule.txt in the kernel source tree for more details.
Aug 24 12:41:31 walkies kernel: Symbol usb_match_id is being used by a non-GPL module, which will not be allowed in the future
Aug 24 12:41:31 walkies kernel: Please see the file Documentation/feature-removal-schedule.txt in the kernel source tree for more details.
Aug 24 12:41:31 walkies kernel: Symbol usb_deregister is being used by a non-GPL module, which will not be allowed in the future
Aug 24 12:41:31 walkies kernel: Please see the file Documentation/feature-removal-schedule.txt in the kernel source tree for more details.


The USB ID of the ThinkPad's camera is 0c45:627b.

Any suggestions?

Schwab
lexlth
Posted on: 2007/8/29 4:22
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Posts: 5
Re: /dev/video Device Does Not Appear
Hello, I also have something similar.<br /><br />I have a Microdia 0c45:6270 camera, and installed the last 2.06 drivers.<br /><br />The first time I got the messages you got.<br />After that, I deinstalled the module with --purge, removed the sgpca module that I tried to install earlier and found it was already in memory and installed the 2.06 again.<br /><br />The messages were gone, I get these messages now:<br /><div class="xoopsCode"><code><pre>
Aug 28 23:06:41 localhost kernel: [ 22.309340] sn9c20x: V4Lx driver for SN9Cxxx PC Camera Controllers v2:2.06
Aug 28 23:06:41 localhost kernel: [ 22.309343] sn9c20x: (C) 2007 Luca Risolia
Aug 28 23:06:41 localhost kernel: [ 22.309345] sn9c20x: By using this software, you declare that you have read and accepted the LICENSE included in the 'copyright' file accompanying this software.If not, stop using this software.
Aug 28 23:06:41 localhost kernel: [ 22.505242] usbcore: registered new interface driver sn9c20
</pre></code></div><br /><br />I had to reboot for a final cleanup, and after the reboot, my Ubuntu Feisty 32-bit showed me that a new Restricted Driver was being using. I checked and it was the V4L sn9cxxx ! Yes !<br /><br />But the /dev/video0 is not being created and I cannot open my webcam on any application....
luca
Posted on: 2007/8/29 5:12
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Joined: 2003/1/9
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Posts: 171
Re: /dev/video Device Does Not Appear
This webcam is not supported at the moment. Next releases will probably support it. Stay tuned
zenum
Posted on: 2007/8/29 10:34
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Posts: 3
Re: /dev/video Device Does Not Appear
Hi,
I am also having a similar problem with a webcam that displays as:

Bus 001 Device 002: ID 0c45:6270 Microdia

And upon loading the latest modules I get the following output:

[87496.890054] usb 7-5: SN9C20X PC Camera Controller detected (vid 0x0C45)
[87496.912021] usb 7-5: MT9V111 image sensor detected
[87496.912027] usb 7-5: Bridge not supported

Will this also be supported in the next release?
lexlth
Posted on: 2007/8/29 13:45
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Posts: 5
Re: /dev/video Device Does Not Appear
Thats what appeared in mine at work too...

Luca, thanks for the feedback. I will be waiting for the next release! but... you said about mine or the initial camera ? Mine is the 6270...

Is there a way to be notified when a new release is launched ?
luca
Posted on: 2007/8/29 17:46
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Joined: 2003/1/9
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Posts: 171
Re: /dev/video Device Does Not Appear
0x0c45:0x6270 will be supported soon. Keep an eye on the homepage for the news.
zenum
Posted on: 2007/9/3 13:17
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Posts: 3
Re: /dev/video Device Does Not Appear
Hey, I just tried the same Cam (0x0c45:0x6270) again with the 2.07 driver... but I still get the same error... Was that camera supposed to be supported in this version or not yet?
luca
Posted on: 2007/9/3 13:37
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Joined: 2003/1/9
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Posts: 171
Re: /dev/video Device Does Not Appear
Not yet, sorry.
anarsoul
Posted on: 2007/9/14 19:13
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Joined: 2007/9/14
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Posts: 5
Re: /dev/video Device Does Not Appear
I have sn9c201 cam, with id: 0c45:624f
I've loaded sn9cxxx.ko, but nothing happened - /dev/video* didn't appear. Is my cam supported?


dmesg output:
sn9cxxx: no version magic, tainting kernel.
Symbol usb_register_driver is being used by a non-GPL module, which will not be allowed in the future
Please see the file Documentation/feature-removal-schedule.txt in the kernel source tree for more details.
Symbol usb_match_id is being used by a non-GPL module, which will not be allowed in the future
Please see the file Documentation/feature-removal-schedule.txt in the kernel source tree for more details.
Symbol usb_deregister is being used by a non-GPL module, which will not be allowed in the future
Please see the file Documentation/feature-removal-schedule.txt in the kernel source tree for more details.
zenum
Posted on: 2007/10/2 11:06
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Joined: 2007/8/29
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Posts: 3
Re: /dev/video Device Does Not Appear
Hey, is the new 2.08 driver going to support the (0x0c45:0x6270) camera?
When do you think you will be releasing this driver?

Thanks for all the hard work you are putting into these drivers :)
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