[mpich-discuss] osx sierra troubles mpich 3.2

[Burlen Loring]

unfortunately how to start the program in a debugger is not the issue 
here. multiple pieces of our stack no longer even compile with gcc on 
OSX, and GDB does not work with clang. So clang/lldb seems to be the 
only viable option right now on OSX.

I've seen related posts to this list and located 3 year old open bug 
report on mpich.org(link below) with identical errors. This seems to be 
an ongoing issue with mpich on OSX. In the mean time I've switched to 
OpenMPI and found that our regression suite runs cleanly, not sure 
what's going on with MPICH but will not be able to do much else without 
lldb.

bug report: https://trac.mpich.org/projects/mpich/ticket/2063

On 12/07/2016 01:32 PM, Seo, Sangmin wrote:
> You can find how to debug your MPI application at the links below:
>
> https://wiki.mpich.org/mpich/index.php/Frequently_Asked_Questions#Debugging_MPI_Programs
> https://wiki.mpich.org/mpich/index.php/Building_MPICH_For_Development#Use_gdb
>
> Regards,
> Sangmin
>
>> On Dec 7, 2016, at 11:39 AM, Burlen Loring <burlen.loring at gmail.com 
>> <mailto:burlen.loring at gmail.com>> wrote:
>>
>> after upgrading to osx sierra and latest xcode some of my regression 
>> tests crash in MPI calls, that's as far as I've got as MPI init seems 
>> to fail when run in the debugger. See below. Can any one advise how 
>> to run the program in the debugger on osx sierrra?
>>
>>
>> (lldb) target create "./bin/test/test_table_reader_distribute"
>> Current executable set to './bin/test/test_table_reader_distribute' 
>> (x86_64).
>> (lldb) settings set -- target.run-args 
>>  "/Users/bloring/TECA/../TECA_data/test_tc_candidates_20.bin" 
>> "/Users/bloring/TECA/../TECA_data/test_table_reader_distribute_20.bin" 
>> "step" "0" "-1" "1"
>> (lldb) r
>> Process 75610 launched: './bin/test/test_table_reader_distribute' 
>> (x86_64)
>> [cli_1]: write_line error; fd=8 buf=:cmd=init pmi_version=1 
>> pmi_subversion=1
>> :
>> system msg for write_line failure : Bad file descriptor
>> [cli_1]: Unable to write to PMI_fd
>> [cli_1]: write_line error; fd=8 buf=:cmd=get_appnum
>> :
>> system msg for write_line failure : Bad file descriptor
>> Fatal error in MPI_Init_thread: Other MPI error, error stack:
>> MPIR_Init_thread(474):
>> MPID_Init(152).......: channel initialization failed
>> MPID_Init(426).......: PMI_Get_appnum returned -1
>> [cli_1]: write_line error; fd=8 buf=:cmd=abort exitcode=1094159
>> :
>> system msg for write_line failure : Bad file descriptor
>> Process 75610 exited with status = 15 (0x0000000f)
>> (lldb)
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>
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