[mpich-discuss] gdb + hydra

[Christoph Sprenger]

Nice one.
thats pretty much what happened here as well that $SHELL was hardwired 
to tcsh.
all is working fine now. thanks so much for the help.

cheers,
Christoph

On 18/09/12 19:23, Pavan Balaji wrote:
> Hi Christopher,
>
> I did notice this problem earlier with csh.  We have no idea why 
> csh/tcsh have this problem, but other shells seem to work fine.
>
> Are you sure you tried bash?  We never saw this problem with bash 
> before.  Can you ensure that your "$SHELL" actually says bash, and 
> that it's not a symbolic link back to tcsh (that did happen to someone 
> earlier, so it's worth checking).
>
>  -- Pavan
>
> On 09/18/2012 01:04 AM, Christoph Sprenger wrote:
>> still trying to get this to work.
>> i've also tried a vanilla tcsh and bash with no env set at all and both
>> seem to fail still.
>>
>> same things persists when running mpiexec -n 1 gdb without xterm
>>
>> Ubuntu 10.04.4 LTS
>> GNU bash, version 4.1.5(1)-release
>> tcsh 6.17.00 (Astron)
>>
>>
>> mpich2
>> ./configure --enable-shared --enable-sharedlibs=gcc
>>
>>
>>
>>
>> #include "mpi.h"
>> #include <iostream>
>>
>> int main(int argc, char *argv[])
>> {
>>       MPI_Init(&argc, &argv);
>>       int rank,size;
>>       MPI_Comm_size( MPI_COMM_WORLD, &size );
>>       MPI_Comm_rank( MPI_COMM_WORLD, &rank );
>>       std::cerr << "Hello World from rank " << rank << " / " << size <<
>> std::endl;
>>       MPI_Finalize();
>> }
>>
>> [Thread debugging using libthread_db enabled]
>> Using host libthread_db library "/lib/libthread_db.so.1".
>> [cli_0]: write_line error; fd=6 buf=:cmd=init pmi_version=1 
>> pmi_subversion=1
>> :
>> system msg for write_line failure : Bad file descriptor
>> [cli_0]: Unable to write to PMI_fd
>> [cli_0]: write_line error; fd=6 buf=:cmd=get_appnum
>> :
>> system msg for write_line failure : Bad file descriptor
>> Fatal error in MPI_Init: Other MPI error, error stack:
>> MPIR_Init_thread(392):
>> MPID_Init(107).......: channel initialization failed
>> MPID_Init(389).......: PMI_Get_appnum returned -1
>> [Inferior 1 (process 3132) exited with code 01]
>>
>>
>> is there anything else i can try to make this work ( eg different
>> configure options for hydra or mpich2 ) ?
>>
>> Cheers,
>> Christoph
>>
>>
>>
>>
>> On 17/09/12 20:00, Christoph Sprenger wrote:
>>> I'm having some issues doing the following:
>>>
>>> mpiexec -n 1 xterm -e gdb -ex r --args ./app ...
>>>
>>>
>>> this used to work fine for me with 1.2.1 and mpd but seems to give me :
>>>
>>> [cli_0]: write_line error; fd=6 buf=:cmd=init pmi_version=1
>>> pmi_subversion=1
>>> :
>>> system msg for write_line failure : Bad file descriptor
>>> [cli_0]: Unable to write to PMI_fd
>>> [cli_0]: write_line error; fd=6 buf=:cmd=get_appnum
>>>
>>> also tried :
>>> setenv HYDRA_LAUNCHER_AUTOFORK 0
>>>
>>> however it falls over in MPI_Init.
>>> seems like other people experienced this too, but i couldn't find a
>>> hint that seems to address this issue
>>>
>>> i've tried tried 1.4.1p1 and 1.5rc1.
>>>
>>> any help would be appreciated.
>>>
>>> Kind Regards,
>>> Christoph
>>>
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