frame #0: 0xffffff80294776b5 kernel.development`proc_exit(p=0xffffff803e273920) at kern_exit.c:1003 [opt]
frame #1: 0xffffff8028fb5574 kernel.development`thread_terminate_self at thread.c:587 [opt]
frame #2: 0xffffff8028fb9b90 kernel.development`thread_apc_ast(thread=0xffffff803c7e5080) at thread_act.c:934 [opt]
frame #3: 0xffffff8028f72ecb kernel.development`ast_taken_user at ast.c:220 [opt]
frame #4: 0xffffff8028f2021c kernel.development`return_from_trap + 172