Can you run in the Microsoft Visual Studio debugger? Use the additional PETSc option -no_signal_handler
It won't show exactly where the SEGV happens but might focus in a bit on it. For example it may be ddot() or ddot_(). Barry > On Sep 19, 2023, at 2:04 AM, Thuc Bui <b...@calcreek.com> wrote: > > Hi Barry, > > Visual Studio 2022 is the problem! The code linked to Petsc 3.18.6 built with > VS 2022 also crashes at the same place. The same errors are shown below. I > don’t remember for sure, but I don’t think I was able to configure Petsc > 3.19.4 with VS 2019. However, I will still try that next. > > Thanks for your help, > Thuc > > [0]PETSC ERROR: > ------------------------------------------------------------------------ > [0]PETSC ERROR: Caught signal number 11 SEGV: Segmentation Violation, > probably memory access out of range > [0]PETSC ERROR: Try option -start_in_debugger or -on_error_attach_debugger > [0]PETSC ERROR: or see https://petsc.org/release/faq/#valgrind and > https://petsc.org/release/faq/ > [0]PETSC ERROR: --------------------- Stack Frames > ------------------------------------ > [0]PETSC ERROR: The line numbers in the error traceback are not always exact. > [0]PETSC ERROR: #1 BLASdot() > [0]PETSC ERROR: #2 VecNorm_Seq() at > D:\Users\bbwannabe\Documents\Petsc\petsc-3.18.6\src\vec\vec\impls\seq\bvec2.c:216 > [0]PETSC ERROR: #3 VecNorm() at > D:\Users\bbwannabe\Documents\Petsc\petsc-3.18.6\src\vec\vec\interface\rvector.c:237 > [0]PETSC ERROR: #4 VecNormalize() at > D:\Users\bbwannabe\Documents\Petsc\petsc-3.18.6\src\vec\vec\interface\rvector.c:318 > [0]PETSC ERROR: #5 KSPGMRESCycle() at > D:\Users\bbwannabe\Documents\Petsc\petsc-3.18.6\src\ksp\ksp\impls\gmres\gmres.c:111 > [0]PETSC ERROR: #6 KSPSolve_GMRES() at > D:\Users\bbwannabe\Documents\Petsc\petsc-3.18.6\src\ksp\ksp\impls\gmres\gmres.c:228 > [0]PETSC ERROR: #7 KSPSolve_Private() at > D:\Users\bbwannabe\Documents\Petsc\petsc-3.18.6\src\ksp\ksp\interface\itfunc.c:899 > [0]PETSC ERROR: #8 KSPSolve() at > D:\Users\bbwannabe\Documents\Petsc\petsc-3.18.6\src\ksp\ksp\interface\itfunc.c:1071 > > job aborted: > [ranks] message > > [0] application aborted > aborting MPI_COMM_WORLD (comm=0x44000000), error 59, comm rank 0 > > > > From: petsc-users [mailto:petsc-users-boun...@mcs.anl.gov] On Behalf Of Thuc > Bui > Sent: Monday, September 18, 2023 4:24 PM > To: 'Barry Smith' > Cc: 'PETSc users list' > Subject: Re: [petsc-users] Problem with BLASdot in 3.19.4 > > Thanks a lot Barry, for getting back to me. Will do what you have suggested, > and get back with the results. > > Best regards, > Thuc > > From: Barry Smith [mailto:bsm...@petsc.dev] > Sent: Monday, September 18, 2023 3:43 PM > To: Thuc Bui > Cc: PETSc users list > Subject: Re: [petsc-users] Problem with BLASdot in 3.19.4 > > > Ok, two things are being changed at the same time: the version of PETSc > and the version of Visual Studio. > > Could you please try with the new Visual Studio version but the same older > PETSc version? If that works could you try with the old Visual Studio version > but the new PETSc version? > > Barry > > > > > On Sep 18, 2023, at 6:26 PM, Thuc Bui <b...@calcreek.com > <mailto:b...@calcreek.com>> wrote: > > Dear Petsc users and experts, > > If someone can direct me how to track this bug, I would really appreciate it. > > The Petsc DLL library version 3.19.4 was built on Windows 10 with Visual > Studio 2022, and with Microsoft MPI 10.1.2 and Intel MKL 2020.3.279. The same > code works fine with Petsc 3.18.6 using the same versions of MS MPI and Intel > MKL, and built with Visual Studio 2019. > > When my code calls PetscCall(KSPSolve(...)), it gets to > PetscCall(KSPGMRESCycle(...)), PetscCall(VecNormalize(VEC_VV(0), &res)), > PetscCall(VecNorm(x, NORM_2, &norm)) and then crashes in VecNorm_Seq() at: > > PetscCallBLAS("BLASdot", ztmp[type == NORM_1_AND_2] = > PetscSqrtReal(PetscRealPart(BLASdot_(&bn, xx, &one, xx, &one)))); > > I tried to step into BLASdot_, but was unable to. I assume BLASdot_ belong to > Intel MKL, and its library does not contain debug information. After the code > exits, the errors are shown below the hash line. > > Should I install the latest Intel MKL to work with Petsc 3.19.4? > > Many thanks in advance for your help, > Thuc Bui > Senior R&D Engineer > Calabazas Creek Research, Inc > (650) 948-5361 > > > ############################################### > > [0]PETSC ERROR: > ------------------------------------------------------------------------ > [0]PETSC ERROR: Caught signal number 11 SEGV: Segmentation Violation, > probably memory access out of range > [0]PETSC ERROR: Try option -start_in_debugger or -on_error_attach_debugger > [0]PETSC ERROR: or see https://petsc.org/release/faq/#valgrind and > https://petsc.org/release/faq/ > [0]PETSC ERROR: --------------------- Stack Frames > ------------------------------------ > [0]PETSC ERROR: The line numbers in the error traceback are not always exact. > [0]PETSC ERROR: #1 BLASdot() > [0]PETSC ERROR: #2 VecNorm_Seq() at > D:\Users\bbwannabe\Documents\Petsc\latest\src\vec\vec\impls\seq\bvec2.c:213 > [0]PETSC ERROR: #3 VecNorm() at > D:\Users\bbwannabe\Documents\Petsc\latest\src\vec\vec\interface\rvector.c:237 > [0]PETSC ERROR: #4 VecNormalize() at > D:\Users\bbwannabe\Documents\Petsc\latest\src\vec\vec\interface\rvector.c:318 > [0]PETSC ERROR: #5 KSPGMRESCycle() at > D:\Users\bbwannabe\Documents\Petsc\latest\src\ksp\ksp\impls\gmres\gmres.c:110 > [0]PETSC ERROR: #6 KSPSolve_GMRES() at > D:\Users\bbwannabe\Documents\Petsc\latest\src\ksp\ksp\impls\gmres\gmres.c:227 > [0]PETSC ERROR: #7 KSPSolve_Private() at > D:\Users\bbwannabe\Documents\Petsc\latest\src\ksp\ksp\interface\itfunc.c:898 > [0]PETSC ERROR: #8 KSPSolve() at > D:\Users\bbwannabe\Documents\Petsc\latest\src\ksp\ksp\interface\itfunc.c:1070 > > job aborted: > [ranks] message > > [0] application aborted > aborting MPI_COMM_WORLD (comm=0x44000000), error 59, comm rank 0