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Problem with Logitech Communicate MP

Posted: Sat Oct 10, 2009 2:40 pm
by Snap E Tom
Hi, I'm using a Logitech Communicate MP, which is a UVC camera on Zoneminder 1.24.2 with Ubuntu 9.04. I'm experiencing some problems that might be related and have been discussed in other unresolved threads.

The other threads are "Can't get any video" here: http://www.zoneminder.com/forums/viewtopic.php?t=12493 and "'mu -d <device_path> -q -v' error" http://www.zoneminder.com/forums/viewtopic.php?t=14049 .

Here are the things I'm seeing:

1) I run Zoneminder with a Panasonic network cam which works just fine. I've disabled that as I try to troubleshoot this Logitech.

2) The device works fine under xawtv.

3) cat /proc/sys/kernal/shmall shows 134217728 and shmmax also shows 134217728

4) /var/log/zm is empty. /var/lib/zm doesn't exist.

4) Running "zmu -d /dev/video -q -v" as a regular user, I get "Aborted." Running it as root, I get back "Error, failed to query crop /dev/video0/: Invalid argument." As root, if I add -V 2, I get the "query crop" error. If I change that to -V 1, I get "Error, failed to get channel 0 attributes: Invalid argument." None of these commands log anything to /var/log/dmesg.

In /var/log/syslog, however, I see this with the -V 2 flag:

Code: Select all

Oct 10 09:20:44 Professor zmu[9298]: INF [New Debug Level = 9, New Debug Log = /tmp/zm_debug.log.09298]
Oct 10 09:20:44 Professor zmu[9298]: ERR [Failed to query crop: Invalid argument]
And this with the -V 1 flag:

Code: Select all

Oct 10 09:22:33 Professor zmu[9302]: INF [New Debug Level = 9, New Debug Log = /tmp/zm_debug.log.09302]
Oct 10 09:22:33 Professor zmu[9302]: ERR [Failed to get channel 0 attributes: Invalid argument]
I went into the debug logs that it output (in /tmp) and they both show the respective two lines.

5) Running ipcs when zoneminder is stopped does indeed show no leftover shared memory segments.

6) In the Zoneminder console, the source for the camera is red, and if I click on it, I get a missing image. Firefox is stuck on "waiting for localhost" forever.

Sorry for the long post. I'm just trying to give everyone as much info as possible. Any advice on how to fix this would be appreciated. Thanks!

Posted: Mon Oct 19, 2009 10:40 pm
by pjpsoft
Hi,

I got it working after installing V4L-DVB
Here is the link

http://www.linuxtv.org/wiki/index.php/H ... ce_Drivers

I must say that I had some problem in compiling it and unchecked some options: adev7100 and cx88

Hope this helps