linux – 提交或拉入git时的总线错误(核心转储)

当我用gdb调试它时,(gdb git,运行commit -a,where)结果如下：

muculus@muculus-laptop:~/www/pure/core$gdb git
GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2) 7.4-2012.04
Copyright (C) 2012 Free Software Foundation,Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY,to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions,please see:
<http://bugs.launchpad.net/gdb-linaro/>...
Reading symbols from /usr/bin/git...(no debugging symbols found)...done.
(gdb) run commit -a
Starting program: /usr/bin/git commit -a
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGBUS,Bus error.
0x00000000004e9338 in ?? ()
(gdb) where
#0  0x00000000004e9338 in ?? ()
#1  0x00000000004ea64f in ?? ()
#2  0x00000000004b5143 in ?? ()
#3  0x00000000004ada6e in ?? ()
#4  0x000000000041d29b in ?? ()
#5  0x000000000041df17 in ?? ()
#6  0x0000000000405634 in ?? ()
#7  0x0000000000404a30 in ?? ()
#8  0x00007ffff73ee76d in __libc_start_main (main=0x404980,argc=3,ubp_av=0x7fffffffe008,init=<optimized out>,fini=<optimized out>,rtld_fini=<optimized out>,stack_end=0x7fffffffdff8) at libc-start.c:226
#9  0x0000000000404e65 in ?? ()
#10 0x00007fffffffdff8 in ?? ()
#11 0x000000000000001c in ?? ()
#12 0x0000000000000003 in ?? ()
#13 0x00007fffffffe34b in ?? ()
#14 0x0000000000000000 in ?? ()
(gdb)

我该如何解决这个问题？