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    Hi all,<br>
    <br>
    just wanted to let you know that Matt found a solution (as usual)! <br>
    I simply had to unset DYLD_LIBRARY_PATH and activate again.<br>
    <br>
    Cheers,<br>
    <br>
    JC<br>
    <br>
    On 17/01/12 15:05, Jean-Claude Passy wrote:
    <blockquote cite="mid:4F15E2A0.7090805@uvic.ca" type="cite">
      <meta content="text/html; charset=ISO-8859-1"
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      Hi Casey,<br>
      <br>
      nice try but unfortunately, it does not change anything...<br>
      <br>
      Cheers,<br>
      <br>
      JC<br>
      <br>
      On 17/01/12 15:40, Casey W. Stark wrote:
      <blockquote
cite="mid:CAPQaySXTYd_GQn63GBx69U7kWdErETQ8nQxwXqr0zBUCQ1YXHw@mail.gmail.com"
        type="cite">Hi JC.
        <div><br>
        </div>
        <div>I remember having a similar build problem now (not the same
          error) at the last enzo workshop, so here's one last
          suggestion.</div>
        <div><br>
        </div>
        <div>For some reason the rebuild step above (the build_ext
          command) does not modify those .so files. Rather than wiping
          your install, I think you can find *all* of the .so files in
          your yt-hg directory, delete them, and rebuild. At least, I
          remember this working when I had uncommitted work that I could
          not afford to scrap. Hope it works for you!</div>
        <div><br>
        </div>
        <div>Best,</div>
        <div>Casey</div>
        <div><br>
          <br>
          <div class="gmail_quote">On Tue, Jan 17, 2012 at 12:38 PM,
            Jean-Claude Passy <span dir="ltr"><<a
                moz-do-not-send="true" href="mailto:jcpassy@gmail.com">jcpassy@gmail.com</a>></span>
            wrote:<br>
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">Hey
              Matt,<br>
              <br>
              not a happy day... :-(<br>
              Let me know If you come up with anything. Otherwise, let's
              try to fix this during the meeting.<br>
              <br>
              Thanks a lot, and see you soon.<span class="HOEnZb"><font
                  color="#888888"><br>
                  <br>
                  JC</font></span>
              <div class="HOEnZb">
                <div class="h5"><br>
                  <br>
                  On 17/01/12 14:12, Matthew Turk wrote:<br>
                  <blockquote class="gmail_quote" style="margin:0 0 0
                    .8ex;border-left:1px #ccc solid;padding-left:1ex">
                    Hi JC,<br>
                    <br>
                    Ah, okay.  This sounds more and more like a problem
                    with building<br>
                    matplotlib.  I'm going to recommend a potentially
                    unpopular solution:<br>
                    wipe your yt-whatever directory, make sure you set
                    CC and CXX, and<br>
                    build from scratch with a fresh checkout of the
                    install script.  My<br>
                    suspicion is that there is some library -- in this
                    case, likely one of<br>
                    the matplotlib .so's -- that uses C++, is
                    incorrectly built/linked,<br>
                    and is causing these funky import errors.  This may
                    not fix your<br>
                    problem, but if it does, that's a happy day.  If it
                    does not, we'll<br>
                    sit down next week and I'll take a look.<br>
                    <br>
                    -Matt<br>
                    <br>
                    On Tue, Jan 17, 2012 at 2:15 PM, Jean-Claude
                    Passy<<a moz-do-not-send="true"
                      href="mailto:jcpassy@gmail.com" target="_blank">jcpassy@gmail.com</a>>

                     wrote:<br>
                    <blockquote class="gmail_quote" style="margin:0 0 0
                      .8ex;border-left:1px #ccc solid;padding-left:1ex">
                      Hi Matt,<br>
                      <br>
                      I rebuilt the directory but it did not fix it (I
                      did not have to manually<br>
                      edit yt/frontends/ramses/setup.py).<br>
                      I also found out that an 'import pylab' lin the
                      ipython session leads to the<br>
                      same error.<br>
                      <br>
                      Thanks,<br>
                      <br>
                      JC<br>
                      <br>
                      <br>
                      On 17/01/12 13:09, Matthew Turk wrote:<br>
                      <blockquote class="gmail_quote" style="margin:0 0
                        0 .8ex;border-left:1px #ccc
                        solid;padding-left:1ex"> Hi JC,<br>
                        <br>
                        This is suspicious.  Can you try forcing a
                        rebuild of your yt-hg<br>
                        directory, and make sure:<br>
                        <br>
                        CC=gcc-4.2<br>
                        CXX=g++-4.2<br>
                        <br>
                        Rebuild with:<br>
                        <br>
                        python2.7 setup.py build_ext -i -f<br>
                        <br>
                        This might fix it.  You may also have to
                        manually edit<br>
                        yt/frontends/ramses/setup.py and ensure that
                        stdc++ is in the<br>
                        libraries=[] argument for _ramses_reader.pyx.<br>
                        <br>
                        -Matt<br>
                        <br>
                        On Tue, Jan 17, 2012 at 12:21 PM, Jean-Claude
                        Passy<<a moz-do-not-send="true"
                          href="mailto:jcpassy@gmail.com"
                          target="_blank">jcpassy@gmail.com</a>><br>
                         wrote:<br>
                        <blockquote class="gmail_quote" style="margin:0
                          0 0 .8ex;border-left:1px #ccc
                          solid;padding-left:1ex"> Hi John,<br>
                          <blockquote class="gmail_quote"
                            style="margin:0 0 0 .8ex;border-left:1px
                            #ccc solid;padding-left:1ex"> Does ipython
                            load fine?<br>
                          </blockquote>
                          yes, it does.<br>
                          <br>
                          <blockquote class="gmail_quote"
                            style="margin:0 0 0 .8ex;border-left:1px
                            #ccc solid;padding-left:1ex"> Can you
                            manually import yt.mods in a python session?<br>
                          </blockquote>
                          No, I can't. The error occurs when I try to
                          import it.<br>
                          <br>
                          <blockquote class="gmail_quote"
                            style="margin:0 0 0 .8ex;border-left:1px
                            #ccc solid;padding-left:1ex"> Could you
                            check whether a standalone python instance
                            fails with the same<br>
                            error when you do<br>
                            <br>
                            import matplotlib<br>
                            import h5py<br>
                            import numpy<br>
                          </blockquote>
                          No problem, I can import all these packages.<br>
                          <br>
                          Thanks a lot for you help,<br>
                          <br>
                          JC<br>
                          <br>
                          <br>
                          <blockquote class="gmail_quote"
                            style="margin:0 0 0 .8ex;border-left:1px
                            #ccc solid;padding-left:1ex">
                            <blockquote class="gmail_quote"
                              style="margin:0 0 0 .8ex;border-left:1px
                              #ccc solid;padding-left:1ex"> Hi,<br>
                              <br>
                              I have been using the install script with
                              the regular gcc-4.2 as<br>
                              suggested:<br>
                              <br>
------------------------------------------------------------------<br>
                              [ 9:12:39] Obiwan:$ CC --version<br>
                              i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1
                              (Apple Inc. build 5666) (dot<br>
                              3)<br>
------------------------------------------------------------------<br>
                              <br>
                              It is so frustrating... yt was working
                              great on my laptop a couple of<br>
                              months ago and I did not use it until 2
                              days ago, mainly to check that<br>
                              I<br>
                              was ready for the workshop. May be this
                              shows that one should not spend<br>
                              a single week without using yt! ;-)<br>
                              <br>
                              Thanks for your help guys, I appreciate.<br>
                              JC<br>
                              <br>
                              <br>
                              On 16/01/12 21:01, Casey W. Stark wrote:<br>
                              <blockquote class="gmail_quote"
                                style="margin:0 0 0 .8ex;border-left:1px
                                #ccc solid;padding-left:1ex"> I agree,
                                it sounds like a gcc build issue. Which
                                version did you build<br>
                                against JC?<br>
                                <br>
                                It might take me a while to get to it,
                                but I can try to reproduce it<br>
                                this week.<br>
                                <br>
                                Best,<br>
                                Casey<br>
                                <br>
                                <br>
                                On Mon, Jan 16, 2012 at 4:53 PM, Matthew
                                Turk<<a moz-do-not-send="true"
                                  href="mailto:matthewturk@gmail.com"
                                  target="_blank">matthewturk@gmail.com</a><br>
                                <mailto:<a moz-do-not-send="true"
                                  href="mailto:matthewturk@gmail.com"
                                  target="_blank">matthewturk@gmail.com</a>>>

                                     wrote:<br>
                                <br>
                                    Hi JC,<br>
                                <br>
                                    Unfortunately I'm not really sure --
                                I no longer have a Mac to<br>
                                test<br>
                                    against, and this error looks like
                                some deep compilation bug,<br>
                                likely<br>
                                    with matplotlib. It might be
                                something about your installation<br>
                                (did<br>
                                    you use the install script? were you
                                using a non-standard GCC?<br>
                                etc)<br>
                                    but I'm not really sure.<br>
                                <br>
                                    Anyone else out there, with a Mac,
                                who might be able to give JC a<br>
                                    pointer?<br>
                                <br>
                                    -Matt<br>
                                <br>
                                    On Sun, Jan 15, 2012 at 1:56 PM,
                                Jean-Claude Passy<br>
                                    <<a moz-do-not-send="true"
                                  href="mailto:jcpassy@gmail.com"
                                  target="_blank">jcpassy@gmail.com</a><mailto:<a
                                  moz-do-not-send="true"
                                  href="mailto:jcpassy@gmail.com"
                                  target="_blank">jcpassy@gmail.com</a>>>

                                     wrote:<br>
                                    >      Hey,<br>
                                    ><br>
                                    >      unfortunately, it does not
                                fix the thing...<br>
                                    >      Any other idea?<br>
                                    ><br>
                                    >      Thanks,<br>
                                    ><br>
                                    >      JC<br>
                                    ><br>
                                    ><br>
                                    >      On 15/01/12 13:30, Matthew
                                Turk wrote:<br>
                                    >><br>
                                    >>      Hi JC,<br>
                                    >><br>
                                    >>      My guess is that this
                                is related to using the OSX backend<br>
                                for<br>
                                    >>      Matplotlib. If you
                                can, could you set (in ~/.matplotlibrc)<br>
                                the<br>
                                    >>      variable "backend" to
                                be "Agg" it might fix it.<br>
                                    >><br>
                                    >>      -Matt<br>
                                    >><br>
                                    >>      On Sun, Jan 15, 2012
                                at 1:33 PM, Jean-Claude<br>
                                    Passy<<a moz-do-not-send="true"
                                  href="mailto:jcpassy@gmail.com"
                                  target="_blank">jcpassy@gmail.com</a><mailto:<a
                                  moz-do-not-send="true"
                                  href="mailto:jcpassy@gmail.com"
                                  target="_blank">jcpassy@gmail.com</a>>><br>
                                    >>      wrote:<br>
                                    >>><br>
                                    >>>      Hi all,<br>
                                    >>><br>
                                    >>>      I am encountering
                                a weird error when trying to execute<br>
                                    yt-unstable on my<br>
                                    >>>      MacBook Pro
                                (10.6.8):<br>
                                    >>><br>
                                    >>><br>
 ----------------------------------------------------------------<br>
                                    >>>      [13:26:06]
                                Obiwan:$ iyt<br>
                                    >>>      terminate called
                                after throwing an instance of<br>
                                    >>>    
                                 '__gnu_cxx::__concurrence_lock_error'<br>
                                    >>>      what():
                                __gnu_cxx::__concurrence_lock_error<br>
                                    >>>      Abort trap<br>
                                    >>><br>
 ----------------------------------------------------------------<br>
                                    >>><br>
                                    >>>      I re-installed
                                everything successfully but the error is<br>
                                still<br>
                                    there.<br>
                                    >>>      Any help will be
                                much appreciated!<br>
                                    >>><br>
                                    >>>      Thanks a lot,<br>
                                    >>><br>
                                    >>>      JC<br>
                                    >>>    
                                 _______________________________________________<br>
                                    >>>      yt-users mailing
                                list<br>
                                    >>><br>
                                 <a moz-do-not-send="true"
                                  href="mailto:yt-users@lists.spacepope.org"
                                  target="_blank">yt-users@lists.spacepope.org</a><mailto:<a
                                  moz-do-not-send="true"
                                  href="mailto:yt-users@lists.spacepope.org"
                                  target="_blank">yt-users@lists.spacepope.org</a>><br>
                                    >>><br>
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