Unable to handle NULL pointer dereference [00000000]
printing eip: c011554a
*pde= 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c011554a>] Not tainted
EFLAGS: 00010002
eax: c167efa0 ebx: d7d31f2c ecx: 00000000 edx: 00000000 
esi: 00000000 edi: 00000286 ebp: c031ddec esp: c031ddd8
ds: 0018 es: 0018 ss: 0018
Process swapper (pid:0, stackpage=c031d000)
Stack: c1515eec c167efa0 c02e037c 00000003 c167efa0 c031de00 c0128337 d7d35200
       00000202 c1515eec c031de14 c013807e d7d35200 df48a0b8 00000004 c031de34
       c020bb45 d7d35200 00000001 df48a000 00000000 df48a000 df667a14 c031de7c
Call Trace: [<c0128337>] [<c013807e>] [<c020bb45>] [<c020bea3>] [<c02116b4>]
            [<c020b6e4>] [<c020b16c>] [<e19b0571>] [<e19b0660>] [<c01f7976>]
            [<e19b05bc>] [<c0109d26>] [<c0109ec2>] [<c0105000>] [<c010c0f8>]
            [<c0107010>] [<c0105000>] [<c0107036>] [<c010708b>] [<c0105016>]
Code: 8b 02 85 45 f8 74 ef 6a 00 52 e8 97 f8 ff ff 83 c4 08 85 c0