#0  0xb77c2424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6af3b1f in ?? ()
No symbol table info available.
#2  0xb6c74000 in ?? ()
No symbol table info available.
#3  0x00000030 in ?? ()
No symbol table info available.
#4  0xb6eae000 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)