Please send all the error output from MATLAB when it crashes to petsc-maint at mcs.anl.gov. In particular you may need to run MATLAB from a terminal with matlab -nodesktop to get the traceback as it crashes.
Barry On Mar 12, 2012, at 5:27 PM, Jeremy Roberts wrote: > Hi all, > > I'm trying access PETSc from MATLAB via the classes. I'm working on a 64 bit > Ubuntu 11.04 system with MATLAB R2011b and PETSc 3.2-p6. > > I get PETSc built, but running e.g. "exKSP.m" leads to a segmentation fault > at ksp.Solve(A,b,x). As a second test, I added MatMult to matlabheader.h, > and that worked using A,x, and b of the exKSP example. My guess is that > something goofy is happening with BLAS/LAPACK. I tried to run "valgrind > matlab -nodesktop -nosplash < exKSP.m" without success (maybe there's another > way to include valgrind?). > > I configured via: > > ./configure \ > PETSC_ARCH=gcc-matlab \ > --with-debugging \ > --with-cc=gcc-4.3 \ > --with-fc=gfortran-4.3 \ > --with-cxx=g++-4.3 \ > --with-shared-libraries \ > --with-matlab-engine \ > --with-matlab \ > --download-f2cblaslapack \ > --with-mpi=0 \ > --with-x=0 \ > --with-x11=0 > > Any suggestions are greatly appreciated. > > Jeremy > >
