map-server crash

Originally posted by [b]wend[/b]
[CODE]
Core was generated by `./map-server_sql'.
Program terminated with signal 11, Segmentation fault.
#0 0x00000000004a132b in npc_event_sub (sd=0x1b38cc20, ev=0x2b6ec49b49d4,
eventname=<value optimized out>) at npc.c:773
773 if( ev->nd->sc.option&OPTION_INVISIBLE )
(gdb) bt full
#0 0x00000000004a132b in npc_event_sub (sd=0x1b38cc20, ev=0x2b6ec49b49d4,
eventname=<value optimized out>) at npc.c:773
No locals.
#1 0x00000000004a13e9 in npc_script_event (sd=0x1b38cc20,
type=<value optimized out>) at npc.c:3479
i = 1
#2 0x00000000004b706f in mob_dead (md=0x2b6ec94b9d1c,
src=<value optimized out>, type=<value optimized out>) at mob.c:2581
sd = 0x1b38cc20
tmpsd = {0x1b38cc20, 0x0 <repeats 29 times>}
mvp_sd = 0x1b38cc20
second_sd = 0x1b38cc20
third_sd = 0x0
pt = {{p = 0x2b6ec5882e54, id = 6017, zeny = 0, base_exp = 8920,
job_exp = 4020}, {p = 0x0, id = 0, zeny = 0, base_exp = 0,
job_exp = 0} <repeats 29 times>}
i = 0
temp = 1759218605
count = 1
pnum = 1759218605
m = <value optimized out>
dmgbltypes = 0
mvp_damage = <value optimized out>
[/CODE]

perhaps it was after @unloadnpcfile