More core dumps:
Loaded symbols for /home/shadow/emu/libEMuShareMem.so
#0 EntityList::AICheckCloseArrgo(Mob*, float, float) (this=0x817bcc0, sender=0x832dc88, iArrgoRange=65, iAssistRange=65)
at MobAI.cpp:300
300 LogFile->write(EQEMuLog:

ebug, "Check aggro for %s assisting %s, target %s.", sender->GetName(), mob->GetName(), mobTarget->GetName());
(gdb) bt
#0 EntityList::AICheckCloseArrgo(Mob*, float, float) (this=0x817bcc0, sender=0x832dc88, iArrgoRange=65, iAssistRange=65)
at MobAI.cpp:300
#1 0x080dfbd3 in Mob::AI_Process() (this=0x832dc8

at mob.h:504
#2 0x080a7234 in NPC::Process() (this=0x832dc8

at npc.cpp:499
#3 0x0807e51a in EntityList::Process() (this=0x817bcd0) at entity.cpp:1253
#4 0x080a98ec in main (argc=5, argv=0x1) at net.cpp:294
#5 0x42015574 in __libc_start_main () from /lib/tls/libc.so.6
And another:
#0 EntityList::AICheckCloseArrgo(Mob*, float, float) (this=0x817bcc0, sender=0x82b53c0, iArrgoRange=65, iAssistRange=65)
at MobAI.cpp:300
300 LogFile->write(EQEMuLog:

ebug, "Check aggro for %s assisting %s, target %s.", sender->GetName(), mob->GetName(), mobTarget->GetName());
(gdb) bt
#0 EntityList::AICheckCloseArrgo(Mob*, float, float) (this=0x817bcc0, sender=0x82b53c0, iArrgoRange=65, iAssistRange=65)
at MobAI.cpp:300
#1 0x080dfbd3 in Mob::AI_Process() (this=0x82b53c0) at mob.h:504
#2 0x080a7234 in NPC::Process() (this=0x82b53c0) at npc.cpp:499
#3 0x0807e51a in EntityList::Process() (this=0x817bcd0) at entity.cpp:1253
#4 0x080a98ec in main (argc=5, argv=0x1) at net.cpp:294
#5 0x42015574 in __libc_start_main () from /lib/tls/libc.so.6