[mpich-discuss] mpich2 under Ubuntu?

[Mathieu Dubois]

Hi Pavan,

I don't remember why I used this ./configure options. I remember that I 
had problems with simpler command lines.

I will retry with your suggestion in mind (but it will take a few hours...).

Thank you very much for your fast reply.
Mathieu

Pavan Balaji wrote:
>
> Is there a particular reason why you want to use dllchan instead of 
> the default? dllchan is experimental currently. If you want to use the 
> default, you can just do:
>
>  $ ./configure --prefix=/usr/local/mpich2 --enable-sharedlibs=gcc
>
>  -- Pavan
>
> Mathieu Dubois wrote:
>> Hello everyone,
>>
>> First I'm a newbie in the MPI world so please excuse me if I ask 
>> stupid questions.
>>
>> Let me explain my problem. I'm using Ubuntu 8.10 /Intrepid Ibex/ on a 
>> x86_64 machine. I need to install MPICH2 in order to compile and run 
>> the PCSIM neural simulator (http://www.lsm.tugraz.at/pcsim/).
>>
>> I have found packages for mpich2 in 
>> http://ppa.launchpad.net/metlov/ppa/ubuntu . Unfortunately those 
>> packages doesn't provide shared libraries (.so files).
>> So I tried to compile mpich2-1.0.8 from source with the following 
>> configure:
>> ./configure --prefix=/usr/local/mpich2/ --enable-sharedlibs=gcc 
>> --with-device=ch3:dllchan:sock,shm,ssm
>> Compilation was ok and I installed it under /usr/local/mpich2 . I see 
>> a lot of .so files under /usr/local/mpich2/lib as expected.
>> I successfully compiled PCSIM with this library.
>>
>> But when I import the pcsim python package I get the following errors:
>>  >>> import pypcsim
>> Fatal error in MPI_Init: Other MPI error, error stack:
>> MPIR_Init_thread(294): Initialization failed
>> MPID_Init(75)........:
>> MPICH_CH3_PreLoad(63):
>> MPIU_DLL_Open(42)....:  Unable to load the dynamically loadable 
>> library libmpich2-ch3-sock.so for reason 
>> /usr/local/mpich2/lib/libmpich2-ch3-sock.so: undefinedsymbol: 
>> MPIDI_Process[unset]: aborting job:
>> Fatal error in MPI_Init: Other MPI error, error stack:
>> MPIR_Init_thread(294): Initialization failed
>> MPID_Init(75)........:
>> MPICH_CH3_PreLoad(63):
>> MPIU_DLL_Open(42)....:  Unable to load the dynamically loadable 
>> library libmpich2-ch3-sock.so for reason 
>> /usr/local/mpich2/lib/libmpich2-ch3-sock.so: undefinedsymbol: 
>> MPIDI_Process
>>
>> This looks like something is missing in MPICH libraries (something 
>> like a compilation option)... I haven't found anything relevant on 
>> the web.
>>
>> Does anyone have an idea? Any help would be appreciated.
>>
>> Thanks in advance,
>> Mathieu
>>
>> P.S.: I have set the LD_LIBRARY_PATH variable
>> $ export LD_LIBRARY_PATH=/usr/local/mpich2/lib/
>