I am using Ubuntu 12.04 64-bit server in a Virtual Machine on my Win7 x86-64 laptop, I have been using text-only terminals with the VM all the time. I just installed ROS "hydro" base version on the VM using apt tools.
[u@ubuntu:~/ros/catkin_ws]$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.04.5 LTS
Release: 12.04
Codename: precise
By using Xming 6.9.0.31 X server on my Win7 host, I can use "turtlesim" app correctly and the turtle can be moved using keyboard app or rostopic commands.
But error occurs when I tried to use the "rqt" tool:
[u@ubuntu:~/ros/catkin_ws]$ rosrun rqt_graph rqt_graph
[xcb] Unknown sequence number while processing queue
[xcb] Most likely this is a multi-threaded client and XInitThreads has not been called
[xcb] Aborting, sorry about that.
python: ../../src/xcb_io.c:274: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed.
Aborted (core dumped)
BTW, I was using Putty to forward the access to the DISPLAY server on my Win7 host from within the Ubuntu VM and the rviz seems can show up a Window on my Win7 host w/o issues.
Does anyone have any hints here?
Regards,
Yf
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