[petsc-dev] [petsc-maint] Incident INC0122538 MKL on Cori/KNL

[Jed Brown]

"Smith, Barry F." <bsmith at mcs.anl.gov> writes:

>   Could also be a bug in the new hash table stuff for options?
>
>> ==3965== valgrind: Unrecognised instruction at address 0x20104a53.
>> ==3965==    at 0x20104A53: kh_resize_HTPrinted (viewreg.c:12)
>> ==3965==    by 0x20104EE2: kh_put_HTPrinted (viewreg.c:12)
> ==3965==    by 0x201061EF: PetscOptionsHelpPrintedCheck (viewreg.c:89)

If the code run without valgrind does not crash here, then this would
just be valgrind not supporting the instruction set.  You could
downgrade the target arch via compiler flags or see if the latest (dev
version?) Valgrind supports the instruction.