Unable to handle kernel NULL pointer dereference at virtual address 00000000
 printing eip:
00000000
*pde = 00000000
Oops: 0000 [#1]
SMP 
CPU:    0
EIP:    0060:[<00000000>]    Not tainted VLI
EFLAGS: 00010286
EIP is at 0x0
eax: c0380c20   ebx: fffffff4   ecx: cf07d3a0   edx: cc847f68
esi: cf3c2950   edi: cf07d2c0   ebp: cc847f18   esp: cc847efc
ds: 007b   es: 007b   ss: 0068
Process rc (pid: 1198, threadinfo=cc846000 task=cfd866b0)
Stack: c01637ab cf3c2950 cf07d2c0 cc847f68 cf3c29c0 cf3c2950 cc847f68 cc847f50 
       c0163ff7 cc847f70 cf07d380 cc847f68 cc847f40 cc847f70 00000001 cf07d380 
       00000002 cfa28f00 00008241 00008241 cfd9a000 cc847f9c c0153751 cfd9a000 
Call Trace:
 [<c01637ab>] __lookup_hash+0x9b/0xd0
 [<c0163ff7>] open_namei+0x2e7/0x420
 [<c0153751>] filp_open+0x41/0x70
 [<c0153bd3>] sys_open+0x53/0x90
 [<c010945f>] syscall_call+0x7/0xb