Yes, asctime(0) might be my bad assumption. Does this help? (gdb) backtrace #0 a_crash () at ./arch/i386/atomic.h:124 #1 0xb7fc735b in __asctime (tm=0xbfffde64, buf=0xb7fff288 "Mon Jan 1 00:00:00 12345") at src/time/__asctime.c:26 #2 0xb7fc91d7 in asctime (tm=tm@entry=0xbfffde64) at src/time/asctime.c:8 #3 0xb7c89709 in time_asctime (self=0x0, args=0xb7d05bcc) at /home/mudd/musl/Python-2.7.6/Modules/timemodule.c:574 #4 0xb7e1989d in PyCFunction_Call (func=func@entry=0xb7d056cc, arg=arg@entry=0xb7d05bcc, kw=kw@entry=0x0) at Objects/methodobject.c:81 On Sat, Apr 19, 2014 at 10:51 PM, John Mudd wrote: > > musl: > >>> import time > >>> time.asctime((12345, 1, 1, 0, 0, 0, 0, 1, 0)) > Segmentation fault (core dumped) > > >