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Re: [simspark-devel] preview of rcssserver3d-0.5.7
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From: Hedayat V. <hed...@ai...> - 2008-03-25 10:07:38
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Hi!<br>
Well, I think I know the problem ;) This is because currently
PrePhysicsUpdate is called in parallel to SimControlThreads and in FRP
this function clears mContactList. This problem was mentioned by Yuan
before, but I didn't applied the fix since it would need 2 more wait
functions (which might have a negative effect on the performance). OK,
I'll enable the fix. Would you please check the current CVS head to see
if the problem is really fixed?<br>
<br>
(This problem can be fixed by modifying FRP itself, but the problem
might appear elsewhere in future.)<br>
<br>
Any suggestions for a better structure? (Yuan has proposed a change in
the structure, but it could slightly modify the server behavior in
multi-threaded mode).<br>
<br>
Thanks,<br>
Hedayat<br>
<br>
<span><br>
<style type="text/css">blockquote {color: navy !important; background-color: RGB(245,245,245) !important; padding: 0 15 10 15 !important; margin: 15 0 0 0; border-left: #1010ff 2px solid;} blockquote blockquote {color: maroon !important; background-color: RGB(235,235,235) !important; border-left-color:maroon !important} blockquote blockquote blockquote {color: green !important; background-color: RGB(225,225,225) !important; border-left-color:teal !important} blockquote blockquote blockquote blockquote {color: purple !important; background-color: RGB(215,215,215) !important; border-left-color: purple !important} blockquote blockquote blockquote blockquote blockquote {color: teal !important; background-color: RGB(205,205,205) !important; border-left-color: green !important}</style><i><b>Hesham
<a class="moz-txt-link-rfc2396E" href="mailto:hes...@gm..."><hes...@gm...></a></b></i> wrote on 03/25/2008 02:01:28
AM:</span><br>
<blockquote style="border-left: 2px solid rgb(16, 16, 255); color: navy; background-color: rgb(245, 245, 245); padding-left: 15px;" cite="mid:1d7...@ma..." type="cite">Hi<br>
<br>
I get this error on my system in the multi-threaded mode, some times
after a few secs some times after a few minutes. Any idea what's the
problem? (I'm using ODE 0.9)<br>
<br>
Program received signal SIGSEGV, Segmentation fault.<br>
[Switching to Thread 0xb5a7fb90 (LWP 9138)]<br>
ForceResistancePerceptor::Percept (this=0x825ee38, predList=@0xb5a7f1a4)<br>
at forceresistanceperceptor.cpp:79<br>
79 Vector3f forceVec(i->second.f1[0],
i->second.f1[1], i->second.f1[2]);<br>
(gdb) bt<br>
#0 ForceResistancePerceptor::Percept (this=0x825ee38,
predList=@0xb5a7f1a4)<br>
at forceresistanceperceptor.cpp:79<br>
#1 0xb78a7d85 in oxygen::AgentAspect::QueryPerceptors (this=0xb3984ad8)<br>
at agentaspect/agentaspect.cpp:96<br>
#2 0xb79096c8 in oxygen::AgentControl::EndCycle (this=0x80914a8)<br>
at simulationserver/agentcontrol.cpp:166<br>
#3 0xb78ff4ee in oxygen::SimulationServer::SimControlThread
(this=0x80a9818, <br>
controlNode=@0xb5a7f304) at
simulationserver/simulationserver.cpp:557<br>
#4 0xb7903912 in
boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void,
boost::_mfi::mf1<void, oxygen::SimulationServer,
boost::shared_ptr<oxygen::SimControlNode> >,
boost::_bi::list2<boost::_bi::value<oxygen::SimulationServer*>,
boost::_bi::value<boost::shared_ptr<oxygen::SimControlNode>
> > >, void>::invoke (function_obj_ptr=<br>
{obj_ptr = 0x8141f10, const_obj_ptr = 0x8141f10, func_ptr =
0x8141f10, data = "\020"}) at
/usr/include/boost/bind/mem_fn_template.hpp:149<br>
#5 0xb761302c in boost::function0<void,
std::allocator<boost::function_base> >::operator() () from
/usr/lib/libboost_thread-mt.so.1.33.1<br>
#6 0xb7612c42 in ?? () from /usr/lib/libboost_thread-mt.so.1.33.1<br>
#7 0xb7e21192 in start_thread () from /lib/libpthread.so.0<br>
#8 0xb747c02e in clone () from /lib/libc.so.6<br>
<br>
Cheers,<br>
Hesham<br>
<br>
<div><span class="gmail_quote">On 24/03/2008, <b class="gmail_sendername">Yuan Xu</b> <<a moz-do-not-send="true" href="mailto:xuy...@gm...">xuy...@gm...</a>> wrote:</span>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi
all,<br>
<br>
I updated the new preview of rcssserver3d-0.5.7 in<br>
<a moz-do-not-send="true" href="http://xuyuan.cn.googlepages.com/rcssserver3d-0.5.7-preview.tar.gz">http://xuyuan.cn.googlepages.com/rcssserver3d-0.5.7-preview.tar.gz</a><br>
<br>
Could you take a look at it?<br>
if there is not any problem, I will publish it tomorrow.<br>
<br>
Thanks,<br>
Xu Yuan<br>
<br>
<br>
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