Adrian Croucher <a.crouc...@auckland.ac.nz> writes: > On 01/11/17 09:50, Smith, Barry F. wrote: >> Please send the full traceback. Cut and paste > > It's not really giving me much, only: > > Program received signal SIGSEGV, Segmentation fault. > 0x00007efe8574d6a9 in Pack_int_1 (n=2, bs=1, idx=0xfd6430, > unpacked=0xfffffffb000003ec, packed=0xfe9a00) > at /home/acro018/software/PETSc/code/src/vec/is/sf/impls/basic/sfbasic.c:497 > 497 DEF_PackCmp(int)
You need to use "bt" (backtrace) to print the rest of the stack. Can you give instructions to reproduce on a different system? Does Valgrind have warnings?