[petsc-users] Problem running geoclaw example with petsc 3.22
Praveen C
cpraveen at gmail.com
Thu Oct 24 10:49:41 CDT 2024
I get this
$ mpiexec -n 3 ./ex89f -n 20 -mpi_linear_solver_server -mpi_linear_solver_server -mpi_linear_solver_server_ksp_view -ksp_monitor -ksp_converged_reason -ksp_view -mpi_linear_solver_server_minimum_count_per_rank 5
[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://urldefense.us/v3/__https://petsc.org/release/faq/*valgrind__;Iw!!G_uCfscf7eWS!de6DU4GTEEdz3Krd2vMFGCVHtIp9eWFSEiOkgNKineAMPAQMV1cZm_xpwAfn8Sb4NuTam1AssCqSd-aHA73oOg$ and https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!de6DU4GTEEdz3Krd2vMFGCVHtIp9eWFSEiOkgNKineAMPAQMV1cZm_xpwAfn8Sb4NuTam1AssCqSd-ZGxfjmXQ$
[0]PETSC ERROR: configure using --with-debugging=yes, recompile, link, and run
[0]PETSC ERROR: to get more information on the crash.
[0]PETSC ERROR: Run with -malloc_debug to check if memory corruption is causing the crash.
--------------------------------------------------------------------------
MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_SELF
Proc: [[47380,1],0]
Errorcode: 59
NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.
You may or may not see output from other processes, depending on
exactly when Open MPI kills them.
--------------------------------------------------------------------------
--------------------------------------------------------------------------
prterun has exited due to process rank 0 with PID 0 on node MacMiniHome calling
"abort". This may have caused other processes in the application to be
terminated by signals sent by prterun (as reported here).
—————————————————————————————————————
and I have this after the code exits
$ ipcs -m
IPC status from <running system> as of Thu Oct 24 21:17:39 IST 2024
T ID KEY MODE OWNER GROUP
Shared Memory:
m 1572864 0x0000000b --rw-rw-rw- praveen staff
m 524289 0x0000000c --rw-rw-rw- praveen staff
m 655362 0x0000000d --rw-rw-rw- praveen staff
m 262147 0x0000000e --rw-rw-rw- praveen staff
m 262148 0x0000000f --rw-rw-rw- praveen staff
m 393221 0x0000000a --rw-rw-rw- praveen staff
This is with petsc installed with miniforge, which I also use with clawpack. With spack installed petsc, I can run the ex89f example.
Thanks
praveen
> On 24 Oct 2024, at 7:55 PM, Barry Smith <bsmith at petsc.dev> wrote:
>
>
> Ok, super strange, I've run many times on my Mac
>
> Can you please try to remove that allocated memory with ipcrm and then
>
> cd $PETSC_DIR/src/ksp/ksp/tutorials
> make ex89f
> mpiexec -n 3 ./ex89f -n 20 -mpi_linear_solver_server -mpi_linear_solver_server -mpi_linear_solver_server_ksp_view -ksp_monitor -ksp_converged_reason -ksp_view -mpi_linear_solver_server_minimum_count_per_rank 5
>
> This does the same thing as the GeoClaw code but is much simpler.
>
> Barry
>
>
>
>
>> On Oct 23, 2024, at 10:55 PM, Praveen C <cpraveen at gmail.com> wrote:
>>
>> I get very similar error on my mac with
>>
>> $ gfortran -v
>> Using built-in specs.
>> COLLECT_GCC=gfortran
>> COLLECT_LTO_WRAPPER=/opt/homebrew/Caskroom/miniforge/base/envs/claw/libexec/gcc/arm64-apple-darwin20.0.0/13.2.0/lto-wrapper
>> Target: arm64-apple-darwin20.0.0
>> Configured with: ../configure --prefix=/opt/homebrew/Caskroom/miniforge/base/envs/claw --build=x86_64-apple-darwin13.4.0 --host=arm64-apple-darwin20.0.0 --target=arm64-apple-darwin20.0.0 --with-libiconv-prefix=/opt/homebrew/Caskroom/miniforge/base/envs/claw --enable-languages=fortran --disable-multilib --enable-checking=release --disable-bootstrap --disable-libssp --with-gmp=/opt/homebrew/Caskroom/miniforge/base/envs/claw --with-mpfr=/opt/homebrew/Caskroom/miniforge/base/envs/claw --with-mpc=/opt/homebrew/Caskroom/miniforge/base/envs/claw --with-isl=/opt/homebrew/Caskroom/miniforge/base/envs/claw --enable-darwin-at-rpath
>> Thread model: posix
>> Supported LTO compression algorithms: zlib
>> gcc version 13.2.0 (GCC)
>>
>> Before starting
>>
>> $ ipcs -m
>> IPC status from <running system> as of Thu Oct 24 08:02:11 IST 2024
>> T ID KEY MODE OWNER GROUP
>> Shared Memory:
>>
>> and when I run the code
>>
>> Using a PETSc solver
>> Using Bouss equations from the start
>> rnode allocated...
>> node allocated...
>> listOfGrids allocated...
>> Storage allocated...
>> bndList allocated...
>> Gridding level 1 at t = 0.000000E+00: 4 grids with 10000 cells
>> Setting initial dt to 2.9999999999999999E-002
>> max threads set to 1
>>
>> Done reading data, starting computation ...
>>
>> Total zeta at initial time: 39269.907650665169
>> GEOCLAW: Frame 0 output files done at time t = 0.000000D+00
>>
>> [0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------
>> [0]PETSC ERROR: Petsc has generated inconsistent data
>> [0]PETSC ERROR: Unable to locate PCMPI allocated shared address 0x130698000
>> [0]PETSC ERROR: WARNING! There are unused option(s) set! Could be the program crashed before usage or a spelling mistake, etc!
>> [0]PETSC ERROR: Option left: name:-ksp_type value: preonly source: file
>> [0]PETSC ERROR: Option left: name:-mpi_ksp_max_it value: 200 source: file
>> [0]PETSC ERROR: Option left: name:-mpi_ksp_reuse_preconditioner (no value) source: file
>> [0]PETSC ERROR: Option left: name:-mpi_ksp_rtol value: 1.e-9 source: file
>> [0]PETSC ERROR: Option left: name:-mpi_ksp_type value: gmres source: file
>> [0]PETSC ERROR: Option left: name:-mpi_linear_solver_server_view (no value) source: file
>> [0]PETSC ERROR: Option left: name:-mpi_pc_gamg_sym_graph value: true source: file
>> [0]PETSC ERROR: Option left: name:-mpi_pc_gamg_symmetrize_graph value: true source: file
>> [0]PETSC ERROR: Option left: name:-mpi_pc_type value: gamg source: file
>> [0]PETSC ERROR: Option left: name:-pc_mpi_minimum_count_per_rank value: 5000 source: file
>> [0]PETSC ERROR: Option left: name:-pc_type value: mpi source: file
>> [0]PETSC ERROR: See https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!de6DU4GTEEdz3Krd2vMFGCVHtIp9eWFSEiOkgNKineAMPAQMV1cZm_xpwAfn8Sb4NuTam1AssCqSd-ZGxfjmXQ$ for trouble shooting.
>> [0]PETSC ERROR: Petsc Release Version 3.22.0, Sep 28, 2024
>> [0]PETSC ERROR: /Users/praveen/work/bouss/radial_flat/xgeoclaw with 6 MPI process(es) and PETSC_ARCH on MacMiniHome.local by praveen Thu Oct 24 08:04:27 2024
>> [0]PETSC ERROR: Configure options: AR=arm64-apple-darwin20.0.0-ar CC=mpicc CXX=mpicxx FC=mpifort CFLAGS="-ftree-vectorize -fPIC -fstack-protector-strong -O2 -pipe -isystem /opt/homebrew/Caskroom/miniforge/base/envs/claw/include " CPPFLAGS="-D_FORTIFY_SOURCE=2 -isystem /opt/homebrew/Caskroom/miniforge/base/envs/claw/include -mmacosx-version-min=11.0 -mmacosx-version-min=11.0" CXXFLAGS="-ftree-vectorize -fPIC -fstack-protector-strong -O2 -pipe -stdlib=libc++ -fvisibility-inlines-hidden -fmessage-length=0 -isystem /opt/homebrew/Caskroom/miniforge/base/envs/claw/include " FFLAGS="-march=armv8.3-a -ftree-vectorize -fPIC -fno-stack-protector -O2 -pipe -isystem /opt/homebrew/Caskroom/miniforge/base/envs/claw/include " LDFLAGS="-Wl,-headerpad_max_install_names -Wl,-dead_strip_dylibs -Wl,-rpath,/opt/homebrew/Caskroom/miniforge/base/envs/claw/lib -L/opt/homebrew/Caskroom/miniforge/base/envs/claw/lib" LIBS="-Wl,-rpath,/opt/homebrew/Caskroom/miniforge/base/envs/claw/lib -lmpi_mpifh -lgfortran" --COPTFLAGS=-O3 --CXXOPTFLAGS=-O3 --FOPTFLAGS=-O3 --with-clib-autodetect=0 --with-cxxlib-autodetect=0 --with-fortranlib-autodetect=0 --with-debugging=0 --with-blas-lib=libblas.dylib --with-lapack-lib=liblapack.dylib --with-yaml=1 --with-hdf5=1 --with-fftw=1 --with-hwloc=0 --with-hypre=1 --with-metis=1 --with-mpi=1 --with-mumps=1 --with-parmetis=1 --with-pthread=1 --with-ptscotch=1 --with-shared-libraries --with-ssl=0 --with-scalapack=1 --with-superlu=1 --with-superlu_dist=1 --with-superlu_dist-include=/opt/homebrew/Caskroom/miniforge/base/envs/claw/include/superlu-dist --with-superlu_dist-lib=-lsuperlu_dist --with-suitesparse=1 --with-suitesparse-dir=/opt/homebrew/Caskroom/miniforge/base/envs/claw --with-x=0 --with-scalar-type=real --with-cuda=0 --with-batch --prefix=/opt/homebrew/Caskroom/miniforge/base/envs/claw
>> [0]PETSC ERROR: #1 PetscShmgetMapAddresses() at /Users/runner/miniforge3/conda-bld/petsc_1728030427805/work/src/sys/utils/server.c:114
>> [0]PETSC ERROR: #2 PCMPISetMat() at /Users/runner/miniforge3/conda-bld/petsc_1728030427805/work/src/ksp/pc/impls/mpi/pcmpi.c:269
>> [0]PETSC ERROR: #3 PCSetUp_MPI() at /Users/runner/miniforge3/conda-bld/petsc_1728030427805/work/src/ksp/pc/impls/mpi/pcmpi.c:853
>> [0]PETSC ERROR: #4 PCSetUp() at /Users/runner/miniforge3/conda-bld/petsc_1728030427805/work/src/ksp/pc/interface/precon.c:1071
>> [0]PETSC ERROR: #5 KSPSetUp() at /Users/runner/miniforge3/conda-bld/petsc_1728030427805/work/src/ksp/ksp/interface/itfunc.c:415
>> [0]PETSC ERROR: #6 KSPSolve_Private() at /Users/runner/miniforge3/conda-bld/petsc_1728030427805/work/src/ksp/ksp/interface/itfunc.c:826
>> [0]PETSC ERROR: #7 KSPSolve() at /Users/runner/miniforge3/conda-bld/petsc_1728030427805/work/src/ksp/ksp/interface/itfunc.c:1075
>>
>> Code does not progress and I kill it
>>
>> ^CTraceback (most recent call last):
>> File "/Users/praveen/Applications/clawpack/clawutil/src/python/clawutil/runclaw.py", line 341, in <module>
>> runclaw(*args)
>> File "/Users/praveen/Applications/clawpack/clawutil/src/python/clawutil/runclaw.py", line 242, in runclaw
>> proc = subprocess.check_call(cmd_split,
>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> File "/opt/homebrew/Caskroom/miniforge/base/envs/claw/lib/python3.12/subprocess.py", line 408, in check_call
>> retcode = call(*popenargs, **kwargs)
>> ^^^^^^^^^^^^^^^^^^^^^^^^^^
>> File "/opt/homebrew/Caskroom/miniforge/base/envs/claw/lib/python3.12/subprocess.py", line 391, in call
>> return p.wait(timeout=timeout)
>> ^^^^^^^^^^^^^^^^^^^^^^^
>> File "/opt/homebrew/Caskroom/miniforge/base/envs/claw/lib/python3.12/subprocess.py", line 1264, in wait
>> return self._wait(timeout=timeout)
>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> File "/opt/homebrew/Caskroom/miniforge/base/envs/claw/lib/python3.12/subprocess.py", line 2053, in _wait
>> (pid, sts) = self._try_wait(0)
>> ^^^^^^^^^^^^^^^^^
>> File "/opt/homebrew/Caskroom/miniforge/base/envs/claw/lib/python3.12/subprocess.py", line 2011, in _try_wait
>> (pid, sts) = os.waitpid(self.pid, wait_flags)
>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> KeyboardInterrupt
>> make[1]: *** [output] Interrupt: 2
>> make: *** [.output] Interrupt: 2
>>
>> Now it says
>>
>> $ ipcs -m
>> IPC status from <running system> as of Thu Oct 24 08:05:06 IST 2024
>> T ID KEY MODE OWNER GROUP
>> Shared Memory:
>> m 720896 0x0000000a --rw-rw-rw- praveen staff
>>
>> Thanks
>> praveen
>>
>>> On 23 Oct 2024, at 8:26 PM, Barry Smith <bsmith at petsc.dev> wrote:
>>>
>>>
>>> Hmm, so it is creating the first shared memory region with ID of 10 (A in hex) puts it in a linked list in PETSc but then when it tries to find it in the linked list it cannot find it.
>>>
>>> I don't know how to reproduce this or debug it remotely.
>>>
>>> Can you build on a completely different machine or with completely different compilers?
>>>
>>> Barry
>>>
>>>
>>>
>>>
>>>> On Oct 23, 2024, at 10:31 AM, Praveen C <cpraveen at gmail.com> wrote:
>>>>
>>>> I get same error and now it shows
>>>>
>>>> $ ipcs -m
>>>>
>>>> ------ Shared Memory Segments --------
>>>> key shmid owner perms bytes nattch status
>>>> 0x0000000a 32788 praveen 666 240 6
>>>>
>>>> Note that the code seems to be still running after printing those error message, but it is not printing any progress which it should do.
>>>>
>>>> Thanks
>>>> praveen
>>>>
>>>>> On 23 Oct 2024, at 7:56 PM, Barry Smith <bsmith at petsc.dev> wrote:
>>>>>
>>>>>
>>>>> Try
>>>>>
>>>>> ipcrm -m 11
>>>>>
>>>>> ipcs -m
>>>>>
>>>>> Try running the program again
>>>>>
>>>>> If failed check
>>>>>
>>>>> ipcs -m
>>>>>
>>>>> again
>>>>>
>>>>>
>>>>>
>>>>>> On Oct 23, 2024, at 10:20 AM, Praveen C <cpraveen at gmail.com> wrote:
>>>>>>
>>>>>> Hello Barry
>>>>>>
>>>>>> I see this
>>>>>>
>>>>>> $ ipcs -m
>>>>>>
>>>>>> ------ Shared Memory Segments --------
>>>>>> key shmid owner perms bytes nattch status
>>>>>> 0x0000000a 11 praveen 666 240 6
>>>>>>
>>>>>> and I am observing same error as below.
>>>>>>
>>>>>> Thanks
>>>>>> praveen
>>>>>>
>>>>>>> On 23 Oct 2024, at 7:08 PM, Barry Smith <bsmith at petsc.dev> wrote:
>>>>>>>
>>>>>>>
>>>>>>> Please take a look at the notes in https://urldefense.us/v3/__https://petsc.org/release/manualpages/Sys/PetscShmgetAllocateArray/__;!!G_uCfscf7eWS!de6DU4GTEEdz3Krd2vMFGCVHtIp9eWFSEiOkgNKineAMPAQMV1cZm_xpwAfn8Sb4NuTam1AssCqSd-bL3C5qOw$ For some reason your program is not able to access/use the Unix shared memory; check if you are already using the shared memory (so it is not available for a new run) or the limits are too low to access enough memory.
>>>>>>>
>>>>>>> Barry
>>>>>>>
>>>>>>>> On Oct 23, 2024, at 8:23 AM, Praveen C <cpraveen at gmail.com> wrote:
>>>>>>>>
>>>>>>>> Dear all
>>>>>>>>
>>>>>>>> I am not able to run the boussinesq example from geoclaw using petsc at 3.22.0
>>>>>>>>
>>>>>>>> https://urldefense.us/v3/__https://github.com/clawpack/geoclaw/tree/3303883f46572c58130d161986b8a87a57ca7816/examples/bouss__;!!G_uCfscf7eWS!e3VQ4NHKmXGstRsQW5vtI7fmKfUT9zmJkMJcPbcvPyIjicyfJpNoMgx3wZ-qyGcKNSjIkNZkzilec8MnHN6PMw$
>>>>>>>>
>>>>>>>> It runs with petsc at 3.21.6
>>>>>>>>
>>>>>>>> The error I get is given below. After printing this, the code does not progress.
>>>>>>>>
>>>>>>>> I use the following petsc options
>>>>>>>>
>>>>>>>> # set min numbers of matrix rows per MPI rank (default is 10000)
>>>>>>>> -mpi_linear_solve_minimum_count_per_rank 5000
>>>>>>>>
>>>>>>>>
>>>>>>>> # Krylov linear solver:
>>>>>>>> -mpi_linear_solver_server
>>>>>>>> -mpi_linear_solver_server_view
>>>>>>>> -ksp_type gmres
>>>>>>>> -ksp_max_it 200
>>>>>>>> -ksp_reuse_preconditioner
>>>>>>>> -ksp_rtol 1.e-9
>>>>>>>>
>>>>>>>> # preconditioner:
>>>>>>>> -pc_type gamg
>>>>>>>>
>>>>>>>> I installed petsc and other dependencies for clawpack using miniforge.
>>>>>>>>
>>>>>>>> Thanks
>>>>>>>> pc
>>>>>>>>
>>>>>>>> ==> Use Bouss. in water deeper than 1.0000000000000000 Using a PETSc solver
>>>>>>>> Using Bouss equations from the start
>>>>>>>> rnode allocated...
>>>>>>>> node allocated...
>>>>>>>> listOfGrids allocated...
>>>>>>>> Storage allocated...
>>>>>>>> bndList allocated...
>>>>>>>> Gridding level 1 at t = 0.000000E+00: 4 grids with 10000 cells
>>>>>>>> Setting initial dt to 2.9999999999999999E-002
>>>>>>>> max threads set to 6
>>>>>>>> Done reading data, starting computation ... Total zeta at initial time: 39269.907650665169 GEOCLAW: Frame 0 output files done at time t = 0.000000D+00
>>>>>>>>
>>>>>>>> [0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------
>>>>>>>> [0]PETSC ERROR: Petsc has generated inconsistent data
>>>>>>>> [0]PETSC ERROR: Unable to locate PCMPI allocated shared address 0x55e6d750ae20
>>>>>>>> [0]PETSC ERROR: WARNING! There are unused option(s) set! Could be the program crashed before usage or a spelling mistake, etc!
>>>>>>>> [0]PETSC ERROR: Option left: name:-ksp_max_it value: 200 source: file
>>>>>>>> [0]PETSC ERROR: Option left: name:-ksp_reuse_preconditioner (no value) source: file
>>>>>>>> [0]PETSC ERROR: Option left: name:-ksp_rtol value: 1.e-9 source: file
>>>>>>>> [0]PETSC ERROR: Option left: name:-ksp_type value: gmres source: file
>>>>>>>> [0]PETSC ERROR: Option left: name:-mpi_linear_solve_minimum_count_per_rank value: 5000 source: file
>>>>>>>> [0]PETSC ERROR: Option left: name:-mpi_linear_solver_server_view (no value) source: file
>>>>>>>> [0]PETSC ERROR: Option left: name:-pc_type value: gamg source: file
>>>>>>>> [0]PETSC ERROR: See https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!e3VQ4NHKmXGstRsQW5vtI7fmKfUT9zmJkMJcPbcvPyIjicyfJpNoMgx3wZ-qyGcKNSjIkNZkzilec8MvNjNo7A$ for trouble shooting.
>>>>>>>> [0]PETSC ERROR: Petsc Release Version 3.22.0, Sep 28, 2024 [0]PETSC ERROR: /home/praveen/bouss/radial_flat/xgeoclaw with 6 MPI process(es) and PETSC_ARCH on euler by praveen Thu Oct 17 21:49:54 2024
>>>>>>>> [0]PETSC ERROR: Configure options: AR=${PREFIX}/bin/x86_64-conda-linux-gnu-ar CC=mpicc CXX=mpicxx FC=mpifort CFLAGS="-march=nocona -mtune=haswell -ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe -isystem /opt/miniforge/envs/claw/include " CPPFLAGS="-DNDEBUG -D_FORTIFY_SOURCE=2 -O2 -isystem /opt/miniforge/envs/claw/include" CXXFLAGS="-fvisibility-inlines-hidden -fmessage-length=0 -march=nocona -mtune=haswell -ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe -isystem /opt/miniforge/envs/claw/include " FFLAGS="-march=nocona -mtune=haswell -ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe -isystem /opt/miniforge/envs/claw/include -Wl,--no-as-needed" LDFLAGS="-pthread -fopenmp -Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now -Wl,--disable-new-dtags -Wl,--gc-sections -Wl,--allow-shlib-undefined -Wl,-rpath,/opt/miniforge/envs/claw/lib -Wl,-rpath-link,/opt/miniforge/envs/claw/lib -L/opt/miniforge/envs/claw/lib -Wl,-rpath-link,/opt/miniforge/envs/claw/lib" LIBS="-Wl,-rpath,/opt/miniforge/envs/claw/lib -lmpi_mpifh -lgfortran" --COPTFLAGS=-O3 --CXXOPTFLAGS=-O3 --FOPTFLAGS=-O3 --with-clib-autodetect=0 --with-cxxlib-autodetect=0 --with-fortranlib-autodetect=0 --with-debugging=0 --with-blas-lib=libblas.so --with-lapack-lib=liblapack.so --with-yaml=1 --with-hdf5=1 --with-fftw=1 --with-hwloc=0 --with-hypre=1 --with-metis=1 --with-mpi=1 --with-mumps=1 --with-parmetis=1 --with-pthread=1 --with-ptscotch=1 --with-shared-libraries --with-ssl=0 --with-scalapack=1 --with-superlu=1 --with-superlu_dist=1 --with-superlu_dist-include=/opt/miniforge/envs/claw/include/superlu-dist --with-superlu_dist-lib=-lsuperlu_dist --with-suitesparse=1 --with-suitesparse-dir=/opt/miniforge/envs/claw --with-x=0 --with-scalar-type=real --with-cuda=0 --prefix=/opt/miniforge/envs/claw
>>>>>>>> [0]PETSC ERROR: #1 PetscShmgetMapAddresses() at /home/conda/feedstock_root/build_artifacts/petsc_1728030599661/work/src/sys/utils/server.c:114
>>>>>>>> [0]PETSC ERROR: #2 PCMPISetMat() at /home/conda/feedstock_root/build_artifacts/petsc_1728030599661/work/src/ksp/pc/impls/mpi/pcmpi.c:269
>>>>>>>> [0]PETSC ERROR: #3 PCSetUp_MPI() at /home/conda/feedstock_root/build_artifacts/petsc_1728030599661/work/src/ksp/pc/impls/mpi/pcmpi.c:853
>>>>>>>> [0]PETSC ERROR: #4 PCSetUp() at /home/conda/feedstock_root/build_artifacts/petsc_1728030599661/work/src/ksp/pc/interface/precon.c:1071
>>>>>>>> [0]PETSC ERROR: #5 KSPSetUp() at /home/conda/feedstock_root/build_artifacts/petsc_1728030599661/work/src/ksp/ksp/interface/itfunc.c:415
>>>>>>>> [0]PETSC ERROR: #6 KSPSolve_Private() at /home/conda/feedstock_root/build_artifacts/petsc_1728030599661/work/src/ksp/ksp/interface/itfunc.c:826
>>>>>>>> [0]PETSC ERROR: #7 KSPSolve() at /home/conda/feedstock_root/build_artifacts/petsc_1728030599661/work/src/ksp/ksp/interface/itfunc.c:1075
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
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