Random crash with iCub_SIM

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Random crash with iCub_SIM

Arturo Ribes-2
Dear all,

I am experiencing some random crash (I still haven't found the condition) when using iCub_SIM for some experiments I am performing.
They consist in series of reaching movements to arbitrary locations in front of the robot, all should be reachable. At some point, my iCub_SIM window crashes, giving the following error:

WARNING: the simulation is too slow to run in real-time, you should increase the timestep in ode_params.ini (current value: 35, suggested value: 46)
[xcb] Unknown request in queue while dequeuing
[xcb] Most likely this is a multi-threaded client and XInitThreads has not been called
[xcb] Aborting, sorry about that.
iCub_SIM: ../../src/xcb_io.c:179: dequeue_pending_request: Assertion `!xcb_xlib_unknown_req_in_deq' failed.
Aborted (core dumped)

I also include the warning for you to know that I increased the timestep, in case it has something to do with it. What can be happening? 

Many thanks in advance.

Arturo Ribes
PhD Student
Artificial Intelligence Research Institute (IIIA)
Spanish National Research Council (CSIC)
Campus UAB; 08193 Cerdanyola, Barcelona, Spain
Tel: +34935809570 (ext 264), Fax: +34935809661
[hidden email] | http://www.iiia.csic.es

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