Segfault happened at: 0xb77a1424 <__kernel_vsyscall+16>:	pop    %ebp
PC (0xb77a1424) ok
source "%ebp" ok
destination "(%esp)" (0xbfeacc74) ok
SP (0xbfeacc74) ok
Reason could not be automatically determined. (Unhandled exception in kernel code?)