Unable to handle kernel NULL pointer dereference at virtual address 00000000
 printing eip:
c01f2fbd
*pde=00000000(55555000)
Oops: 0000
CPU:    0
EIP:    0819:[<c01f2fbd>]    Not tainted
EFLAGS: 00211282
eax: 00000000   ebx: c1973740   ecx: 00000004   edx: c1441560
esi: 00000000   edi: c1441400   ebp: c02a3c64   esp: c02a3c40
ds: 0821   es: 0821   ss: 0821
Process swapper (pid: 0, stackpage=c02a3000)<1>
Stack: c02a3c7c c022dd9a 00000001 00000806 0502a8c0 c1441560 c1441400 c1973740 
       c1441400 c02a3c7c c01fc71d c1973740 c1441400 00000806 00000000 c02a3cbc 
       c022d5e8 c1973740 00000806 0502a8c0 c1441400 0402a8c0 00000000 c144147c 
Call Trace: [<c022dd9a>] [<c01fc71d>] [<c022d5e8>] [<c020192d>] [<c02021ec>] 
   [<c02105f0>] [<c0210530>] [<c0204b77>] [<c0210530>] [<c021050a>] [<c0210530>] 
   [<c0204805>] [<c020d768>] [<c0204b77>] [<c020d720>] [<c020d667>] [<c020d720>] 
   [<c020c6a9>] [<c020c500>] [<c0204b77>] [<c020c500>] [<c020c314>] [<c020c500>] 
   [<c01fce29>] [<c01fcf96>] [<c01fd0d3>] [<c010d449>] [<c0194db9>] [<c0198dce>] 
   [<c01938c7>] [<c0191b22>]