Program received signal SIGFPE: Floating-point exception - erroneous arithmetic operation.

Backtrace for this error:
#0  0x7ffff694e7a2 in ???
#1  0x7ffff694d935 in ???
#2  0x7ffff584e5af in ???
#3  0x5ae920 in my_getrs1
	at /mnt/ceph/users/pmocz/mesa-git-tests/tmp.2TphHWPaVd/star/make/mtx_solve_routines.inc:234
#4  0x5ae920 in dense_solve1
	at ../private/star_bcyclic.f90:917
#5  0x5aff0b in dense_solve
	at ../private/star_bcyclic.f90:841
#6  0x5b12ad in __star_bcyclic_MOD_cycle_onestep._omp_fn.2
	at ../private/star_bcyclic.f90:347
#7  0x7ffff7d553ed in ???
#8  0x7ffff5c081c9 in ???
#9  0x7ffff58398d2 in ???
#10  0xffffffffffffffff in ???
./rn1: line 6: 987808 Floating point exception./star