Lion 启动终端错误 - - 真悲催

现在终端启动不能,不知道在安装什么东西后就成这样了. 请问高手如何解决?莫非只能重装?

Last login: Sun Jan 15 23:26:44 on console
login(592,0x7fff7d833960) malloc: *** error for object 0x7fd420500000: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug

[进程已完成]

查看系统Log.


Process: login [7328]
Path: /usr/bin/login
Identifier: login
Version: ??? (???)
Code Type: X86-64 (Native)
Parent Process: Terminal [218]

Date/Time: 2012-01-15 18:18:06.248 +0800
OS Version: Mac OS X 10.7.2 (11C74)
Report Version: 9

Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000

Application Specific Information:
*** error for object 0x7f99f4100000: pointer being freed was not allocated

objc[7328]: garbage collection is OFF