Also run Linux version in valgrind ________________________________ From: Barry Smith<mailto:[email protected]> Sent: 3/13/2014 2:22 PM To: Qin Lu<mailto:[email protected]> Cc: petsc-users<mailto:[email protected]> Subject: Re: [petsc-users] KSPSolve crash
Compile in debug mode and run in the debugger (visual studio has it built in). On Mar 13, 2014, at 4:02 PM, Qin Lu <[email protected]> wrote: > Yes, it crashed without any printout. It always crashes at the first call to > KSPSolve. Currently I only has a release version of petsc lib although my > program has debug version. > > Thanks, > Qin > > > ----- Original Message ----- > From: Barry Smith <[email protected]> > To: Qin Lu <[email protected]> > Cc: petsc-users <[email protected]> > Sent: Thursday, March 13, 2014 3:57 PM > Subject: Re: [petsc-users] KSPSolve crash > > > How did it crash? Absolutely nothing printed to the screen, the program > just ended? Please send any output. Since it worked on linux it is likely > something specific to the windows machine like lack of memory, a compiler > bug, …. Does it always crash at the same place, can you run it in the > debugger on the windows machine and where does it end up? > > Barry > > > On Mar 13, 2014, at 2:45 PM, Qin Lu <[email protected]> wrote: > >> I forget to mention: it crashed in Win-7 only, while it runs fine in Linux. >> >> Qin >> >> >> ----- Original Message ----- >> From: Qin Lu <[email protected]> >> To: petsc-users <[email protected]> >> Cc: >> Sent: Thursday, March 13, 2014 2:43 PM >> Subject: [petsc-users] KSPSolve crash >> >> PETSc team, >> >> I have a program using PETSc linear solver (using KSPBCG with PCILU level >> 0). But with one case it crashed inside KSPSolve without any error message. >> I have tested this program with many other cases successfully. >> >> Could you debug PETSc with the linear system? I can send you the matrix and >> rhs if you let me know where to upload them. >> >> Many thanks, >> Qin
