[mpich-discuss] seg fault

[Anthony Chan]

signal 11 means there is a invalid access of memory.  What command produces
the segfault ?

----- Original Message -----
> I give up 1.3.2 nad install mpich2-1.2.1pl, and the every thing seems
> OK when I test example. But I compile ny code with mpich2-1.2.1pl and
> run it , it apperas:
> 
> rank 3 in job 1 n36_37374 caused collective abort of all ranks
> exit status of rank 3: killed by signal 11
> rank 2 in job 1 n36_37374 caused collective abort of all ranks
> exit status of rank 2: killed by signal 11
> rank 1 in job 1 n36_37374 caused collective abort of all ranks
> exit status of rank 1: killed by signal 11
> rank 0 in job 1 n36_37374 caused collective abort of all ranks
> exit status of rank 0: killed by signal 11
> What does this relate?
> --
> 
> S.D.Wang
> 王舒东
> 
> 
> 
> At 2011-05-26，"Anthony Chan" <chan at mcs.anl.gov> wrote:
> 
> >
> >I don't see anything that is obviously wrong in your output files
> >except you seem to be using an old gcc, 3.4.6, which we don't
> >have access to anymore. Could you use newer gcc ? If not,
> >could you rebuild your mpich2 with extra configure option,
> >--enable-g=meminit,dbg, and see if "mpiexec -n 1 cpi" still
> >segfaults. If it does, try attaching a debugger to see where it
> >segfault and send us the backtrace ?
> >
> >A.Chan
> >
> >----- Original Message -----
> >> Dear developers:
> >> I insall mpich2-1.3.2pi, when I execute
> >>
> >>
> >> [sdwang at storage mpich2-1.3.2p1]$ cd examples/
> >> [sdwang at storage examples]$ mpiexec -n 1 cpi
> >> Segmentation fault (core dumped)
> >> What is the wrong?
> >> Thanks!
> >>
> >>
> >> and the complie file are in attachment.
> >>
> >>
> >>
> >>
> >> --
> >>
> >> S.D.Wang
> >> 王舒东
> >> _______________________________________________
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> >> mpich-discuss at mcs.anl.gov
> >> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
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