Platform: Windows
ISP: Comcast
Type of Internet Connection: Cable
Internet Connection Speed: 9Mbps
Date & Time: June 17, 2011 - 8:07 AM Central Time
Frequency: Always
Character Name: Vagrua
Race: Elvaan M
World: Bahamut
Main Job: THF
Support Job: NIN
Area and Coordinates: Any zone
Party or Solo: Solo
NPC Name: None
Monster Name: Any Monster

Steps:
1. Round up 9-15+ monsters
2. Disengage or rest

My character will just freeze completely only letting me cast spells or use job abilities if it isn't frozen in the resting state.