-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

It's really a philips webcam dressed up as a logitech.
http://www.smcc.demon.nl/webcam/

now how do i go about installing this

i'm a little confused

According to the install notes you should already have a kernel module for this cam, see what happens if you do "modprobe pwc".

nuthin...just goes to the next line
but when i do

insmod pwc...says it's already installed

When modprobe does nothing then that means that the module loaded correctly. Have you tried using the cam yet?

yes...and nothing happens

gnomemeeting won't detect it

Try it with xawtv.

k...how do i run that..

Open a terminal and type xawtv, then press enter.

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

Cool, now cd to /dev, su to root and do the following
Then try xawtv again.

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]#

Do 'ls -al /dev/video*' and post the output, and post the entire output of 'lsmod' please.

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.

[root@h24-71-50-105 dev]# ls -al /dev/video
total 124
drw-rw-rw- 2 root root 4096 Feb 25 06:53 .
drwxr-xr-x 20 root root 118784 Apr 14 03:13 ..
crw------- 1 root root 10, 204 Aug 30 2002 em8300
crw------- 1 root root 10, 206 Aug 30 2002 em8300_ma
crw------- 1 root root 10, 205 Aug 30 2002 em8300_mv
crw------- 1 root root 10, 207 Aug 30 2002 em8300_sp
You have new mail in /var/spool/mail/root


ok this is what came up after i tried the last step

and thanx for all your help dewds

now after installing pwcx..i ran lsmod and here are the results

[root@h24-71-50-105 pwcx-8.2-gcc32]# lsmod
Module Size Used by Tainted: PF
pwcx-gcc32 87584 0 (unused)
pwc 47400 0 [pwcx-gcc32]
videodev 8320 0 [pwc]
audio 43476 0 (unused)
snd-usb-audio 51680 0 (unused)
snd-pcm 82272 0 [snd-usb-audio]
snd-page-alloc 8688 0 [snd-pcm]
snd-timer 19592 0 [snd-pcm]
snd-rawmidi 18592 0 [snd-usb-audio]
snd-seq-device 6284 0 [snd-rawmidi]
snd 43652 0 [snd-usb-audio snd-pcm snd-timer snd-rawmidi snd-seq-device]
sr_mod 18168 0 (autoclean)
es1371 30760 0 (autoclean)
ac97_codec 13416 0 (autoclean) [es1371]
gameport 3412 0 (autoclean) [es1371]
soundcore 6500 4 (autoclean) [audio snd es1371]
binfmt_misc 7528 1
autofs 13348 0 (autoclean) (unused)
8139too 17736 1
mii 2156 0 [8139too]
ipt_REJECT 3736 6 (autoclean)
iptable_filter 2412 1 (autoclean)
ip_tables 14840 2 [ipt_REJECT iptable_filter]
ide-scsi 10512 0
scsi_mod 107240 2 [sr_mod ide-scsi]
ide-cd 33608 0
cdrom 33696 0 [sr_mod ide-cd]
mousedev 5524 1
keybdev 2976 0 (unused)
hid 22244 0 (unused)
input 5920 0 [mousedev keybdev hid]
usb-uhci 26188 0 (unused)
usbcore 77056 1 [pwc audio snd-usb-audio hid usb-uhci]
ext3 70336 2
jbd 52212 2 [ext3]

I can't see any video devices, cd to /dev and do 'ls -al video*" again please.

after runnin' that command i got these results

crw-rw-rw- 1 root root 81, 0 Apr 14 03:13 video0
crw-rw-rw- 1 root root 81, 1 Apr 14 03:13 video1
crw-rw-rw- 1 root root 81, 10 Apr 14 03:13 video10
crw-rw-rw- 1 root root 81, 11 Apr 14 03:13 video11
crw-rw-rw- 1 root root 81, 12 Apr 14 03:13 video12
crw-rw-rw- 1 root root 81, 13 Apr 14 03:13 video13
crw-rw-rw- 1 root root 172, 0 Apr 14 03:13 video1394
crw-rw-rw- 1 root root 81, 14 Apr 14 03:13 video14
crw-rw-rw- 1 root root 81, 15 Apr 14 03:13 video15
crw-rw-rw- 1 root root 81, 16 Apr 14 03:13 video16
crw-rw-rw- 1 root root 81, 17 Apr 14 03:13 video17
crw-rw-rw- 1 root root 81, 18 Apr 14 03:13 video18
crw-rw-rw- 1 root root 81, 19 Apr 14 03:13 video19
crw-rw-rw- 1 root root 81, 2 Apr 14 03:13 video2
crw-rw-rw- 1 root root 81, 20 Apr 14 03:13 video20
crw-rw-rw- 1 root root 81, 21 Apr 14 03:13 video21
crw-rw-rw- 1 root root 81, 22 Apr 14 03:13 video22
crw-rw-rw- 1 root root 81, 23 Apr 14 03:13 video23
crw-rw-rw- 1 root root 81, 24 Apr 14 03:13 video24
crw-rw-rw- 1 root root 81, 25 Apr 14 03:13 video25
crw-rw-rw- 1 root root 81, 26 Apr 14 03:13 video26
crw-rw-rw- 1 root root 81, 27 Apr 14 03:13 video27
crw-rw-rw- 1 root root 81, 28 Apr 14 03:13 video28
crw-rw-rw- 1 root root 81, 29 Apr 14 03:13 video29
crw-rw-rw- 1 root root 81, 3 Apr 14 03:13 video3
crw-rw-rw- 1 root root 81, 30 Apr 14 03:13 video30
crw-rw-rw- 1 root root 81, 31 Apr 14 03:13 video31
crw-rw-rw- 1 root root 81, 32 Apr 14 03:13 video32
crw-rw-rw- 1 root root 81, 33 Apr 14 03:13 video33
crw-rw-rw- 1 root root 81, 34 Apr 14 03:13 video34
crw-rw-rw- 1 root root 81, 35 Apr 14 03:13 video35
crw-rw-rw- 1 root root 81, 36 Apr 14 03:13 video36
crw-rw-rw- 1 root root 81, 37 Apr 14 03:13 video37
crw-rw-rw- 1 root root 81, 38 Apr 14 03:13 video38
crw-rw-rw- 1 root root 81, 39 Apr 14 03:13 video39
crw-rw-rw- 1 root root 81, 4 Apr 14 03:13 video4
crw-rw-rw- 1 root root 81, 40 Apr 14 03:13 video40
crw-rw-rw- 1 root root 81, 41 Apr 14 03:13 video41
crw-rw-rw- 1 root root 81, 42 Apr 14 03:13 video42
crw-rw-rw- 1 root root 81, 43 Apr 14 03:13 video43
crw-rw-rw- 1 root root 81, 44 Apr 14 03:13 video44
crw-rw-rw- 1 root root 81, 45 Apr 14 03:13 video45
crw-rw-rw- 1 root root 81, 46 Apr 14 03:13 video46
crw-rw-rw- 1 root root 81, 47 Apr 14 03:13 video47
crw-rw-rw- 1 root root 81, 48 Apr 14 03:13 video48
crw-rw-rw- 1 root root 81, 49 Apr 14 03:13 video49
crw-rw-rw- 1 root root 81, 5 Apr 14 03:13 video5
crw-rw-rw- 1 root root 81, 50 Apr 14 03:13 video50
crw-rw-rw- 1 root root 81, 51 Apr 14 03:13 video51
crw-rw-rw- 1 root root 81, 52 Apr 14 03:13 video52
crw-rw-rw- 1 root root 81, 53 Apr 14 03:13 video53
crw-rw-rw- 1 root root 81, 54 Apr 14 03:13 video54
crw-rw-rw- 1 root root 81, 55 Apr 14 03:13 video55
crw-rw-rw- 1 root root 81, 56 Apr 14 03:13 video56
crw-rw-rw- 1 root root 81, 57 Apr 14 03:13 video57
crw-rw-rw- 1 root root 81, 58 Apr 14 03:13 video58
crw-rw-rw- 1 root root 81, 59 Apr 14 03:13 video59
crw-rw-rw- 1 root root 81, 6 Apr 14 03:13 video6
crw-rw-rw- 1 root root 81, 60 Apr 14 03:13 video60
crw-rw-rw- 1 root root 81, 61 Apr 14 03:13 video61
crw-rw-rw- 1 root root 81, 62 Apr 14 03:13 video62
crw-rw-rw- 1 root root 81, 63 Apr 14 03:13 video63
crw-rw-rw- 1 root root 81, 7 Apr 14 03:13 video7
crw-rw-rw- 1 root root 81, 8 Apr 14 03:13 video8
crw-rw-rw- 1 root root 81, 9 Apr 14 03:13 video9

video:
total 124
drw-rw-rw- 2 root root 4096 Feb 25 06:53 .
drwxr-xr-x 20 root root 118784 Apr 14 03:13 ..
crw------- 1 root root 10, 204 Aug 30 2002 em8300
crw------- 1 root root 10, 206 Aug 30 2002 em8300_ma
crw------- 1 root root 10, 205 Aug 30 2002 em8300_mv
crw------- 1 root root 10, 207 Aug 30 2002 em8300_sp

and if i just run "ls video"
i get these results

[root@h24-71-50-105 dev]# ls video
em8300 em8300_ma em8300_mv em8300_sp

The em8300 is the device name for a hollywood+ or creative dxr3 dvd decoder, nothing to do with the webcam.
Your video devices are there and the permissions look ok, what type of motherboard do you have?
I'm thinking that maybe the wrong usb controller module may be loaded.

i have an AMD-athlon xp1800

Like Aussie said it might be the wrong usb module. It varies greatly which usb module works. On my computer both the uhci and the usb-uhci module work. I do however need to also load the ehci-hcd module for USB 2.0 support. If I don't then the webcam light never even turns on and it never gets registered with the USB driver.

But like I said before you really need to be reading through the output of dmesg (also found in /var/log/messages usually). It tells you whether the device has been registered and if the webcam driver detected the camera properly. It should give you a few clues where to go from there. So run the command dmesg and post the part relating to the usb and the webcam.

usb.c: registered new driver usbdevfs
usb.c: registered new driver hub
usb-uhci.c: $Revision: 1.275 $ time 09:45:46 Feb 24 2003
usb-uhci.c: High bandwidth mode enabled
usb-uhci.c: USB UHCI at I/O 0xe400, IRQ 12
usb-uhci.c: Detected 2 ports
usb.c: new USB bus registered, assigned bus number 1
hub.c: USB hub found
hub.c: 2 ports detected
usb-uhci.c: USB UHCI at I/O 0xe800, IRQ 12
usb-uhci.c: Detected 2 ports
usb.c: new USB bus registered, assigned bus number 2
hub.c: USB hub found
hub.c: 2 ports detected
usb-uhci.c: v1.275:USB Universal Host Controller Interface driver
usb.c: registered new driver hiddev
usb.c: registered new driver hid
hid-core.c: v1.8.1 Andreas Gal, Vojtech Pavlik <vojtech@suse.cz>
hid-core.c: USB HID support drivers
mice: PS/2 mouse device common for all mice
hub.c: USB new device connect on bus1/1, assigned device number 2
usb.c: USB device 2 (vend/prod 0x46d/0x8b3) is not claimed by any active driver.
hub.c: USB new device connect on bus1/2, assigned device number 3
input0: USB HID v1.10 Mouse [Logitech USB Mouse] on usb1:3.0
usb.c: registered new driver snd-usb-audio
ALSA ../alsa-kernel/usb/usbaudio.c:1980: 2:2:0 : AS_GENERAL descriptor not found
usb-uhci.c: interrupt, status 3, frame# 100
usb.c: registered new driver audio
audio.c: v1.0.0:USB Audio Class driver
EXT3 FS 2.4-0.9.18, 14 May 2002 on ide0(3,2), internal journal
Adding Swap: 522104k swap-space (priority -1)
kjournald starting. Commit interval 5 seconds
EXT3 FS 2.4-0.9.18, 14 May 2002 on ide0(3,1), internal journal
EXT3-fs: mounted filesystem with ordered data mode.
SCSI subsystem driver Revision: 1.00
scsi0 : SCSI host adapter emulation for IDE ATAPI devices
Vendor: HL-DT-ST Model: CD-RW GCE-8320B Rev: 1.04
Type: CD-ROM ANSI SCSI revision: 02
parport0: PC-style at 0x378 (0x778) [PCSPP,TRISTATE]
parport0: irq 7 detected
ohci1394: pci_module_init failed
ip_tables: (C) 2000-2002 Netfilter core team
8139too Fast Ethernet driver 0.9.25
divert: allocating divert_blk for eth0
eth0: RealTek RTL8139 Fast Ethernet at 0xd092bf00, 00:20:ed:3a:85:b1, IRQ 10
eth0: Identified 8139 chip type 'RTL-8139C'
eth0: Setting half-duplex based on auto-negotiated partner ability 0000.
es1371: version v0.30 time 09:46:21 Feb 24 2003
es1371: found chip, vendor id 0x1274 device id 0x5880 revision 0x02
es1371: found es1371 rev 2 at io 0xec00 irq 10
es1371: features: joystick 0x0
ac97_codec: AC97 Audio codec, id: 0x4352:0x5914 (Cirrus Logic CS4297A rev B)
Attached scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0
sr0: scsi3-mmc drive: 40x/40x writer cd/rw xa/form2 cdda tray
Uniform CD-ROM driver Revision: 3.12
usb-uhci.c: interrupt, status 3, frame# 2020
usb-uhci.c: interrupt, status 3, frame# 20

You didn't add the part about the pwc modules being loaded. But anyways here is some more information.

The usb driver detects two devices. The first it claims to be unknown and the second is your mouse. It gives the following information about the unknown device (vend/prod 0x46d/0x8b3)
The first being the vendor number for Logitech and the second being the product number for the QuickCam Zoom. I checked in my own kernel sources (2.4.20) and it is not supported yet. So I went to the site to check on the latest version and apparently the QuickCam Zoom is only supported from driver version 8.9 and upwards and will only be included in the 2.4.21 kernel which isn't out yet. So you will have to download the latest version and compile it yourself. It would probably be easier if you compile for a kernel from www.kernel.org instead of adding it to the redhat kernel you already have.