[petsc-users] Newbie question: Strange failure when calling PetscIntView from slepc application

[Stefano Zampini]

==841883== Invalid write of size 4
==841883==    at 0x503E784: petscintview_ (/data/work/slepc/PETSC/petsc-3.14.5/src/sys/error/ftn-custom/zerrf.c:109)
==841883==    by 0x40262C: all_stab_routines_mp_write_rows_to_petsc_matrix_ (/data/work/rotplane/omega_to_zero/stability/test/tmp10/tmp3/tryme.F:17)
==841883==    by 0x402465: MAIN__ (/data/work/rotplane/omega_to_zero/stability/test/tmp10/tmp3/tryme.F:40)
==841883==    by 0x402221: main (in /data/work/rotplane/omega_to_zero/stability/test/tmp10/tmp3/trashy.exe)
==841883==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
==841883== 

This exactly points to the error and suggests you to take a look at /data/work/slepc/PETSC/petsc-3.14.5/src/sys/error/ftn-custom/zerrf.c, line 109
You are trying to write 4 bytes (most probably an int) where is not allowed.

> On Apr 9, 2021, at 12:32 PM, dazza simplythebest <sayosale at hotmail.com> wrote:
> 
> ==841883== Invalid write of size 4
> ==841883==    at 0x503E784: petscintview_ (/data/work/slepc/PETSC/petsc-3.14.5/src/sys/error/ftn-custom/zerrf.c:109)
> ==841883==    by 0x40262C: all_stab_routines_mp_write_rows_to_petsc_matrix_ (/data/work/rotplane/omega_to_zero/stability/test/tmp10/tmp3/tryme.F:17)
> ==841883==    by 0x402465: MAIN__ (/data/work/rotplane/omega_to_zero/stability/test/tmp10/tmp3/tryme.F:40)
> ==841883==    by 0x402221: main (in /data/work/rotplane/omega_to_zero/stability/test/tmp10/tmp3/trashy.exe)
> ==841883==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
> ==841883== 

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