[petsc-users] MUMPS solver crash with petsc-3.2

[Gong Ding]

I remove #define PETSCHAVE_DEBUG in the petscconf.h, and the debug version runs.

The dbx report is: 

Segmentation fault in dmumps_462 at line 6743 in file "dmumps_part4.F"
 6743         IF(DIM.EQ.1) THEN
(dbx) where
dmumps_462(internal error: assertion failed at line 3650 in file frame.c
??, internal error: assertion failed at line 3650 in file frame.c
??, internal error: assertion failed at line 3650 in file frame.c
??, internal error: assertion failed at line 3650 in file frame.c
??, internal error: assertion failed at line 3650 in file frame.c
??, internal error: assertion failed at line 3650 in file frame.c
??, internal error: assertion failed at line 3650 in file frame.c
??, internal error: assertion failed at line 3650 in file frame.c
??), line 6743 in "dmumps_part4.F"



> 
> 
> 
> On Tue, Dec 6, 2011 at 10:54 PM, Gong Ding <gdiso at ustc.edu> wrote:
> 
> > I can only analysis the core file at present.
> 
> > It reported
> 
> > Program terminated with signal 11, Segmentation fault.
> 
> > #0  0x000000010217319c in dmumps_462 ()
> 
> >
> 
> > Run program with -info, the output is
> 
> >
> 
> > Entering DMUMPS driver with JOB, N, NZ =   1          49            217
> 
> >
> 
> >  DMUMPS 4.10.0
> 
> > L U Solver for unsymmetric matrices
> 
> > Type of parallelism: Working host
> 
> >
> 
> >  ****** ANALYSIS STEP ********
> 
> >
> 
> >  Resetting candidate strategy to 0 because NSLAVES=1
> 
> >
> 
> >  ... Structural symmetry (in percent)=  100
> 
> >  Density: NBdense, Average, Median   =    0    3    3
> 
> >  ... No column permutation
> 
> >  Ordering based on AMF
> 
> >
> 
> > Program terminated with signal SIGSEGV, Segmentation fault.
> 
> >
> 
> > The example in src/ksp/ksp/examples/tests/ex3 run ok -- it solves a small
> 
> > linear problem.
> 
> > Also, if I reduce the matrix size to ~20x20, no crash happen.
> 
> >
> 
> > I'll try to provide more information.
> 
> >
> 
> >
> 
> >
> 
> >
> 
> >
> 
> > On Tue, Dec 6, 2011 at 12:52 AM, Gong Ding <gdiso at ustc.edu> wrote:
> 
> >>
> 
> >> Bad news.
> 
> >> MUMPS still crash on AIX/PPC.
> 
> >> I tried petsc-3.1, 3.2 and dev. All of them crash with ERROR: 0031-250
> 
> >> task 0: Segmentation fault.
> 
> >> I guess the interface of petsc-mumps has some problem, i.e. alignment.
> 
> >
> 
> >
> 
> > Please get a stack trace with the debugger.
> 
> >
> 
> >    Matt
> 
> >
> 
> >>>
> 
> >>> Yes, petsc-dev works. Please merge the update to petsc-3.2.
> 
> >>
> 
> >>
> 
> >> Parmetis 4.0 was released after PETSc 3.2 so it will not be updated to
> 
> >> work with it. In general, software projects don't update a previous release
> 
> >> on a dependent package update. Please use petsc-dev or wait until PETSc 3.3.
> 
> >
> 
> >
> 
> >
> 
> >
> 
> > --
> 
> > What most experimenters take for granted before they begin their experiments
> 
> > is infinitely more interesting than any results to which their experiments
> 
> > lead.
> 
> > -- Norbert Wiener
> 
>