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    ruby1.8 is not anymore (fully) supported try to re-bootstrap with
    ruby1.9<br>
    <br>
    <br>
    Matthias<br>
    <br>
    On 27.08.2013 12:41, Sankaranarayanan Natarajan wrote:
    <blockquote cite="mid:521C823C.6010009@dfki.de" type="cite">
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      Hi All,<br>
      <br>
      Currently the rock-ros bridging is not working...&nbsp; i ran a roscore
      in a terminal and in other terminal ran "rock-display".. The
      rock-display crashes with the following error:<br>
      <br>
      <small><small><big>natarajan@natarajan:~/SpaceBot_Workspace/dev$
            rock-display<br>
            <br>
            deadlock 0x7f31f0640360: sleep:- (main) -
/home/natarajan/Workspace/Projects/Spacebot/Softwares/dev/tools/orocos.rb/lib/orocos/ros/name_service.rb:268<br>
            deadlock 0x7f31e3f7b680: sleep:-&nbsp; -
            /usr/lib/ruby/1.8/monitor.rb:285<br>
            *** longjmp causes uninitialized stack frame ***:
            /usr/bin/ruby1.8 terminated<br>
            ======= Backtrace: =========<br>
/lib/x86_64-linux-gnu/libc.so.6(__fortify_fail+0x37)[0x7f31efea5817]<br>
            /lib/x86_64-linux-gnu/libc.so.6(+0x10a78d)[0x7f31efea578d]<br>
/lib/x86_64-linux-gnu/libc.so.6(__longjmp_chk+0x33)[0x7f31efea56f3]<br>
            /usr/lib/libruby1.8.so.1.8(+0x2f7a5)[0x7f31f01897a5]<br>
            /usr/lib/libruby1.8.so.1.8(+0x2f9a2)[0x7f31f01899a2]<br>
            [0x254f5e0]<br>
            ======= Memory map: ========<br>
            00400000-00401000 r-xp 00000000 08:04
            15865842&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /usr/bin/ruby1.8<br>
            00600000-00601000 r--p 00000000 08:04
            15865842&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /usr/bin/ruby1.8<br>
            00601000-00602000 rw-p 00001000 08:04
            15865842&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /usr/bin/ruby1.8<br>
            024f1000-02d26000 rw-p 00000000 00:00
            0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [heap]<br>
            7f31e2d14000-7f31e2d20000 r-xp 00000000 08:04
            12459095&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
            /lib/x86_64-linux-gnu/libnss_files-2.15.so<br>
            7f31e2d20000-7f31e2f1f000 ---p 0000c000 08:04
            12459095&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
            /lib/x86_64-linux-gnu/libnss_files-2.15.so<br>
            7f31e2f1f000-7f31e2f20000 r--p 0000b000 08:04
            12459095&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
            /lib/x86_64-linux-gnu/libnss_files-2.15.so<br>
            <br>
            <big>Any idea???<br>
              <br>
              <br>
              <br>
              Regards<br>
              -Sankar<br>
              <br>
              <br>
            </big></big></small></small><small><small><big><big>P.S:
              using rock- next</big></big></small></small>, ros- groovy<br>
      <br>
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      <br>
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</pre>
    </blockquote>
    <br>
    <br>
    <pre class="moz-signature" cols="72">-- 
 Dipl.-Inf. Matthias Goldhoorn 
 Space and Underwater Robotic

 Universit&auml;t Bremen
 FB 3 - Mathematik und Informatik
 AG Robotik
 Robert-Hooke-Stra&szlig;e 5
 28359 Bremen, Germany

 Tel.:     +49 421 178 45-4193
 Zentrale: +49 421 178 45-6550
 Fax:      +49 421 178 45-4150
 E-Mail:   <a class="moz-txt-link-abbreviated" href="mailto:matthias.goldhoorn@uni-bremen.de">matthias.goldhoorn@uni-bremen.de</a>

 Weitere Informationen: <a class="moz-txt-link-freetext" href="http://www.informatik.uni-bremen.de/robotik">http://www.informatik.uni-bremen.de/robotik</a></pre>
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