[petsc-users] Something went wrong with PETSc after installing ParaView

[Matthew Knepley]

On Sat, Aug 5, 2023 at 10:10 AM K. Wu <wuktsinghua at gmail.com> wrote:

> Dear Matthew,
>
> Thanks for your reply!
>
> Is there any way that I can choose to use the previous MPI installation
> used to build PETSc?
>

First we would need to know what that was. You can send configure.log,
which will have that information in it.

  Thanks,

     Matt


> Regards,
> Kai
>
> Matthew Knepley <knepley at gmail.com> 于2023年8月5日周六 14:23写道：
>
>> On Sat, Aug 5, 2023 at 3:22 AM K. Wu <wuktsinghua at gmail.com> wrote:
>>
>>> Hi all,
>>>
>>> Good day!
>>>
>>> After installing ParaView on my desktop, PETSc starts to work
>>> anomalously even after reconfiguration:
>>> 1. If I use mpirun (frequently used before), it seems that now all the
>>> processors will run the program independently without communication. While
>>> mpiexec seems to work properly.
>>>
>>
>> Yes, this indicates that the "mpirun" is from a different installation of
>> MPI than "mpiexec", which seems to be from the MPI installation used to
>> build PETSc. Probably the Paraview package installed its own MPI package.
>>
>>
>>>
>>> 2. The Makefile (as attached) which works fine before starts to complain:
>>> make: *** No rule to make target 'chkopts', needed by 'test'.  Stop.
>>>
>>
>> The 'chkopts' target is defined in the toplevel PETSc makefile, but it is
>> deprecated. You can take it out.
>>
>>   Thanks,
>>
>>      Matt
>>
>>
>>> Thanks for your kind help!
>>>
>>> Best regards,
>>> Kai
>>>
>>>
>>> PETSC_DIR=~/petsc
>>> PETSC_ARCH=arch-linux-c-debug
>>> CFLAGS = -I.
>>> FFLAGS=
>>> CPPFLAGS=-I.
>>> FPPFLAGS=
>>> LOCDIR=
>>> EXAMPLESC=
>>> EXAMPLESF=
>>> MANSEC=
>>> CLEANFILES=
>>> NP=
>>>
>>>
>>> include ${PETSC_DIR}/lib/petsc/conf/variables
>>> include ${PETSC_DIR}/lib/petsc/conf/rules
>>> include ${PETSC_DIR}/lib/petsc/conf/test
>>>
>>> test: ex2-2.o chkopts
>>> rm -rf topopt
>>> -${CLINKER} -o test ex2-2.o ${PETSC_SYS_LIB}
>>> ${RM} ex2-2.o
>>> rm -rf *.o
>>>
>>
>>
>> --
>> What most experimenters take for granted before they begin their
>> experiments is infinitely more interesting than any results to which their
>> experiments lead.
>> -- Norbert Wiener
>>
>> https://www.cse.buffalo.edu/~knepley/
>> <http://www.cse.buffalo.edu/~knepley/>
>>
>

-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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