[yt-users] error launching yt: __gnu_cxx::__concurrence_lock_error

[Jean-Claude Passy]

Hi John,
> Does ipython load fine?
yes, it does.
> Can you manually import yt.mods in a python session?
No, I can't. The error occurs when I try to import it.
> Could you check whether a standalone python instance fails with the same
> error when you do
>
> import matplotlib
> import h5py
> import numpy
No problem, I can import all these packages.

Thanks a lot for you help,

JC

>> Hi,
>>
>> I have been using the install script with the regular gcc-4.2 as suggested:
>>
>> ------------------------------------------------------------------
>> [ 9:12:39] Obiwan:$ CC --version
>> i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3)
>> ------------------------------------------------------------------
>>
>> It is so frustrating... yt was working great on my laptop a couple of
>> months ago and I did not use it until 2 days ago, mainly to check that I
>> was ready for the workshop. May be this shows that one should not spend
>> a single week without using yt! ;-)
>>
>> Thanks for your help guys, I appreciate.
>> JC
>>
>>
>> On 16/01/12 21:01, Casey W. Stark wrote:
>>> I agree, it sounds like a gcc build issue. Which version did you build
>>> against JC?
>>>
>>> It might take me a while to get to it, but I can try to reproduce it
>>> this week.
>>>
>>> Best,
>>> Casey
>>>
>>>
>>> On Mon, Jan 16, 2012 at 4:53 PM, Matthew Turk<matthewturk at gmail.com
>>> <mailto:matthewturk at gmail.com>>  wrote:
>>>
>>>      Hi JC,
>>>
>>>      Unfortunately I'm not really sure -- I no longer have a Mac to test
>>>      against, and this error looks like some deep compilation bug, likely
>>>      with matplotlib. It might be something about your installation (did
>>>      you use the install script? were you using a non-standard GCC? etc)
>>>      but I'm not really sure.
>>>
>>>      Anyone else out there, with a Mac, who might be able to give JC a
>>>      pointer?
>>>
>>>      -Matt
>>>
>>>      On Sun, Jan 15, 2012 at 1:56 PM, Jean-Claude Passy
>>>      <jcpassy at gmail.com<mailto:jcpassy at gmail.com>>  wrote:
>>>      >  Hey,
>>>      >
>>>      >  unfortunately, it does not fix the thing...
>>>      >  Any other idea?
>>>      >
>>>      >  Thanks,
>>>      >
>>>      >  JC
>>>      >
>>>      >
>>>      >  On 15/01/12 13:30, Matthew Turk wrote:
>>>      >>
>>>      >>  Hi JC,
>>>      >>
>>>      >>  My guess is that this is related to using the OSX backend for
>>>      >>  Matplotlib. If you can, could you set (in ~/.matplotlibrc) the
>>>      >>  variable "backend" to be "Agg" it might fix it.
>>>      >>
>>>      >>  -Matt
>>>      >>
>>>      >>  On Sun, Jan 15, 2012 at 1:33 PM, Jean-Claude
>>>      Passy<jcpassy at gmail.com<mailto:jcpassy at gmail.com>>
>>>      >>  wrote:
>>>      >>>
>>>      >>>  Hi all,
>>>      >>>
>>>      >>>  I am encountering a weird error when trying to execute
>>>      yt-unstable on my
>>>      >>>  MacBook Pro (10.6.8):
>>>      >>>
>>>      >>>  ----------------------------------------------------------------
>>>      >>>  [13:26:06] Obiwan:$ iyt
>>>      >>>  terminate called after throwing an instance of
>>>      >>>  '__gnu_cxx::__concurrence_lock_error'
>>>      >>>  what(): __gnu_cxx::__concurrence_lock_error
>>>      >>>  Abort trap
>>>      >>>  ----------------------------------------------------------------
>>>      >>>
>>>      >>>  I re-installed everything successfully but the error is still
>>>      there.
>>>      >>>  Any help will be much appreciated!
>>>      >>>
>>>      >>>  Thanks a lot,
>>>      >>>
>>>      >>>  JC
>>>      >>>  _______________________________________________
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>>>
>>
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