[petsc-dev] Remove PetscDevice initialization from main before 3.16 is released

[Jacob Faibussowitsch]

https://gitlab.com/petsc/petsc/-/merge_requests/4284 <https://gitlab.com/petsc/petsc/-/merge_requests/4284>

Best regards,

Jacob Faibussowitsch
(Jacob Fai - booss - oh - vitch)

> On Sep 3, 2021, at 03:34, Stefano Zampini <stefano.zampini at gmail.com> wrote:
> 
> Jacob
> 
> Just got a report about the error below
> PetscDevice code is still experimental and I believe it should not be active (in any way) in the next release.
> It can also conflict with the current way we initialize devices.
> Can we comment out these two extra lines in PetscInitialize in main and 3.16?
> It seems it is currently the only point of entry to this new stuff.
> 
> [129]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------
> [129]PETSC ERROR: GPU error
> [129]PETSC ERROR: cuda error 100 (cudaErrorNoDevice) : no CUDA-capable device is detected
> [129]PETSC ERROR: See https://petsc.org/release/faq/ <https://petsc.org/release/faq/> for trouble shooting.
> [129]PETSC ERROR: Petsc Development GIT revision: v3.15.3-732-ge2a280ad64  GIT Date: 2021-08-30 16:02:52 -0400
> [129]PETSC ERROR: ../viscousDriver3d.Linux.64.mpiCC.mpifort.OPT.MPI.PETSC.ex on a  named a13n04 by Unknown Thu Sep  2 18:38:04 2021
> [129]PETSC ERROR: Configure options --COPTFLAGS="-O0 -mcpu=power9" --CUDAOPTFLAGS="-O0 -Xcompiler -mcpu=power9" --CXXOPTFLAGS="-O0 -mcpu=power9" --FOPTFLAGS="-O0 -mcpu=power9" --download-hypre-commit=origin/hypre_petsc --download-hypre=1 --download-metis --downl\
> oad-parmetis --with-cuda-gencodearch=70 --with-cuda=1 --with-cxx-dialect=C++14 --with-debugging=1 --with-fortran-bindings=0 --prefix=/gpfs/alpine/world-shared/geo127/petsc/arch-dbg-gcc9.1.0-cuda11.0.3 PETSC_ARCH=arch-summit-hypre-cuda-dbg2 PETSC_DIR=/gpfs/alpine\
> /csc314/scratch/adams/petsc2
> [129]PETSC ERROR: #1 __initialize() at /gpfs/alpine/csc314/scratch/adams/petsc2/src/sys/objects/device/impls/cupm/cupmdevice.cxx:40
> [129]PETSC ERROR: #2 getDevice() at /gpfs/alpine/csc314/scratch/adams/petsc2/src/sys/objects/device/impls/cupm/cupmdevice.cxx:59
> [129]PETSC ERROR: #3 PetscDeviceCreate() at /gpfs/alpine/csc314/scratch/adams/petsc2/src/sys/objects/device/interface/device.cxx:49
> [129]PETSC ERROR: #4 InitializeDeviceHelper_Private() at /gpfs/alpine/csc314/scratch/adams/petsc2/src/sys/objects/device/interface/device.cxx:143
> [129]PETSC ERROR: #5 PetscDeviceInitializeDefaultDevices_Internal() at /gpfs/alpine/csc314/scratch/adams/petsc2/src/sys/objects/device/interface/device.cxx:179
> [129]PETSC ERROR: #6 PetscInitialize() at /gpfs/alpine/csc314/scratch/adams/petsc2/src/sys/objects/pinit.c:1178
> [129]PETSC ERROR: #7 main() at viscousDriver.cpp:241

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