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Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?

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Old 04-13-2003, 04:13 PM   #1
ouibouy
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-logitech zoom webcam on rh8-


hey all

i can't seem to get anything to detect my webcam

i have a logitech zoom webcam...through USB

now when i plug it in...the light comes on...but i can't find any drivers or when i open up gnome meeting it gives me a dev error

any help would be muchly appreciated
 
Old 04-13-2003, 08:36 PM   #2
Aussie
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It's really a philips webcam dressed up as a logitech.
http://www.smcc.demon.nl/webcam/
 
Old 04-14-2003, 02:16 AM   #3
ouibouy
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now how do i go about installing this

i'm a little confused
 
Old 04-14-2003, 02:27 AM   #4
Aussie
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According to the install notes you should already have a kernel module for this cam, see what happens if you do "modprobe pwc".
 
Old 04-14-2003, 02:50 AM   #5
ouibouy
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nuthin...just goes to the next line
but when i do

insmod pwc...says it's already installed
 
Old 04-14-2003, 03:04 AM   #6
Aussie
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When modprobe does nothing then that means that the module loaded correctly. Have you tried using the cam yet?
 
Old 04-14-2003, 03:26 AM   #7
ouibouy
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yes...and nothing happens

gnomemeeting won't detect it
 
Old 04-14-2003, 03:35 AM   #8
Aussie
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Try it with xawtv.
 
Old 04-14-2003, 04:19 AM   #9
ouibouy
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k...how do i run that..
 
Old 04-14-2003, 04:33 AM   #10
Aussie
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Open a terminal and type xawtv, then press enter.
 
Old 04-14-2003, 04:39 AM   #11
ouibouy
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this is what i get

This is xawtv-3.74, running on Linux/i686 (2.4.18-26.8.0)
can't open /dev/video0: No such device
v4l-conf had some trouble, trying to continue anyway
v4l2: open /dev/video0: No such device
v4l: open /dev/video0: No such device
no video grabber device available
 
Old 04-14-2003, 04:53 AM   #12
Aussie
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Cool, now cd to /dev, su to root and do the following
Code:
./MAKEDEV video

followed by

chmod 666 video*
Then try xawtv again.
 
Old 04-14-2003, 05:10 AM   #13
ouibouy
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well this is waht happened

[root@h24-71-50-105 dev]# ./MAKEDEV video
[root@h24-71-50-105 dev]# chmod 666 video*
[root@h24-71-50-105 dev]# xawtv
This is xawtv-3.74, running on Linux/i686 (2.4.18-26.8.0)
can't open /dev/video0: No such device
v4l-conf had some trouble, trying to continue anyway
v4l2: open /dev/video0: No such device
v4l: open /dev/video0: No such device
no video grabber device available
[root@h24-71-50-105 dev]#
 
Old 04-14-2003, 05:22 AM   #14
Aussie
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Do 'ls -al /dev/video*' and post the output, and post the entire output of 'lsmod' please.
 
Old 04-14-2003, 07:12 AM   #15
Mik
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Well there are two modules. One of them (pwc) is open source and is included in the kernel. The second module (pwcx) is closed source and contains decompression routines. The second module isn't necessary if you want to run at a really low frame rate and use a very small image size.
Either way if you have the modules for your usb and pwc loaded then you should see someting like this in your dmesg output when you attach the webcam:

hub.c: new USB device 00:10.0-2, assigned address 2
pwc Philips PCVC740K (ToUCam Pro) USB webcam detected.
pwc Registered as /dev/video1.

This will also tell you which device it connected to. Usually this would be /dev/video0 if you only have one video device connected.

I don't know what kernel version you are running with redhat. But you might want to try to get the latest version of the driver from the site that Aussie gave you.

Either way you might want to post the output of dmesg, at least the webcam part.
 
  


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