==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 <[email protected]> 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==
