[petsc-users] debugger fails

[Aron Ahmadia]

You want to do a 'where' on the second break, when your program is raising
an abort signal...

A

On Fri, Aug 19, 2011 at 6:57 PM, Dominik Szczerba <dominik at itis.ethz.ch>wrote:

> (gdb) where
> #0  0x00007fae5b941590 in __nanosleep_nocancel () at
> ../sysdeps/unix/syscall-template.S:82
> #1  0x00007fae5b94143c in __sleep (seconds=0) at
> ../sysdeps/unix/sysv/linux/sleep.c:138
> #2  0x000000000056cc48 in PetscSleep (s=10) at psleep.c:56
> #3  0x0000000000838887 in PetscAttachDebugger () at adebug.c:410
> #4  0x00000000005590a7 in PetscOptionsCheckInitial_Private () at init.c:392
> #5  0x000000000055e40e in PetscInitialize (argc=0x7ffff403debc,
> args=0x7ffff403deb0, file=0x0,
>    help=0x0) at pinit.c:639
> #6  0x0000000000524a16 in PetscSolver::InitializePetsc
> (argc=0x7ffff403debc, argv=0x7ffff403deb0)
>    at /home/dsz/src/framework/trunk/solve/PetscSolver.cxx:124
> #7  0x00000000004c404f in main (argc=4, argv=0x7ffff403e4c8)
>    at /home/dsz/src/framework/trunk/solve/cd3t10mpi_main.cxx:526
> (gdb)
>
> PetscSolver.cxx:124:
>
>        ierr = PetscInitialize(argc, argv, (char *)0, (char *)0);
> CHKERRQ(ierr);
>
> Hmmm, not very helpful.....
>
> The app runs on one cpu, but silently crashes on two.
>
> Any hints are very appreciated.
>
> Dominik
>
>
>
> On Fri, Aug 19, 2011 at 5:49 PM, Satish Balay <balay at mcs.anl.gov> wrote:
> > On Fri, 19 Aug 2011, Dominik Szczerba wrote:
> >
> >> Hi,
> >>
> >> I am starting my app in the debugger as:
> >>
> >> mpiexec -np 2 sm3t4mpi run.xml -start_in_debugger -display :0.0
> >>
> >> In the console I get:
> >>
> >> [1]PETSC ERROR: MPI error 14
> >>
> >> in the two open terminals with gdb I get:
> >>
> >> 0x00007f2ecdd15590 in __nanosleep_nocancel () at
> >> ../sysdeps/unix/syscall-template.S:82
> >> 82      ../sysdeps/unix/syscall-template.S: No such file or directory.
> >>         in ../sysdeps/unix/syscall-template.S
> >> (gdb)
> >>
> >>
> >> I type 'c' nonetheless and see:
> >>
> >> (gdb) c
> >> Continuing.
> >> [New Thread 0x7f268e975700 (LWP 22388)]
> >>
> >> Program received signal SIGABRT, Aborted.
> >> 0x00007f268f421d05 in raise (sig=6) at
> >> ../nptl/sysdeps/unix/sysv/linux/raise.c:64
> >> 64      ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or
> directory.
> >>         in ../nptl/sysdeps/unix/sysv/linux/raise.c
> >>
> >>
> >>
> >> How do I go on debugging?
> >
> > what do you get for:
> >
> > (gdb) where
> >
> > Satish
> >
> >
> >>
> >> Many thanks for any hints,
> >>
> >> Dominik
> >>
> >
> >
>
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