Are you by chance using Ubuntu 9.10? Perhaps you found the relevant bug
report for Ubuntu:
https://bugs.launchpad.net/ubuntu/+source/libdc1394-22/+bug/462453. Comment
#8 has a permanent solution.

The error message is annoying, but shouldn't cause any real problems.

Cheers,
Patrick

On Mon, Nov 15, 2010 at 5:36 AM, Prasad Dixit <abhimohpra@gmail.com> wrote:

>
> hello all,
>
> I get an error message when i start launching face detector
>
> roslaunch face_detector face_detector.wide.launch
>
> starting new master (master configured for auto start)
> process[master]: started with pid [4172]
> ROS_MASTER_URI=http://rootx-laptop:11311/
>
> setting /run_id to e471be2a-f0bc-11df-89e5-f04da28296e0
> process[rosout-1]: started with pid [4185]
> started core service [/rosout]
> process[stereoproc-2]: started with pid [4197]
> process[face_detector-3]: started with pid [4198]
> libdc1394 error: Failed to initialize libdc1394
> libdc1394 error: Failed to initialize libdc1394
> [ INFO] [1289827992.793279584]: Constructing FaceDetector.
> [ INFO] [1289827992.907481864]: Subscribed to the person filter messages.
>
> I found similar error in forum but could not get much benefit out of it.an
> Any solution to this?
>
> I tried load a module also,
> sudo modprobe raw1394
>
> ls -la /dev/raw1394
> output:
> crw-rw---- 1 root root 171, 0 2010-11-15 18:34 /dev/raw1394
>
> -Prasad
> --
> View this message in context:
> http://ros-users.122217.n3.nabble.com/libdc1394-failed-to-initialize-tp1904369p1904369.html
> Sent from the ROS-Users mailing list archive at Nabble.com.
> _______________________________________________
> ros-users mailing list
> ros-users@code.ros.org
> https://code.ros.org/mailman/listinfo/ros-users
>