OOPS strangeness; FollowUp with Trace

[Pramod John]

Here is a trace of the previously described issue. Pramod

Unable to handle kernel NULL pointer dereference8
current->tss.cr3 = 00101000, %cr3 = 00101000
*pde = 00000000
Oops: 0000
CPU:    0
EIP:    0010:[<c404faee>]
EFLAGS: 00010246
eax: 00000000   ebx: c1ebe420   ecx: c40b99c0   edx: 00000000
esi: 00000000   edi: c19d0848   ebp: c3c61d34   esp: c3c61d14
ds: 0018   es: 0018   ss: 0018
Process kclick (pid: 569, process nr: 8, stackpage=c3c61000)
Stack: 00000000 c1d58040 c19d0848 000003f0 c3c61d50 c0147938 c3eff8c0 
3c0aa8c0
       c3c61d48 c404fd47 c19d0800 c04fb040 c1a20ac0 c3c61db8 c405aae5 
c19d0800
       00000000 c04fb040 000005f8 c1ebfe00 c19bce60 c10fc840 000005e4 
c0c70480
Call Trace: [<c0147938>] [<c404fd47>] [<c405aae5>] [<c01087cf>] [<c01087ed>] 
[<
       [<c4033413>] [<c4033413>] [<c4033413>] [<c4033413>] [<c40648b2>] 
[<c4033
       [<c40648b2>] [<c4033413>] [<c4033413>] [<c4033413>] [<c4076958>] 
[<c406f
       [<c4088f15>] [<c010653f>]
Code: 8b 56 38 8b 4d 08 8b 81 48 04 00 00 89 42 06 66 8b 81 4c 04


>>EIP; c404faee <[click]handle_ip__10ARPQuerierP6Packet+f6/1fc>   <=====
Trace; c0147938 <skb_clone+18/8c>
Trace; c404fd47 <[click]push__10ARPQuerieriP6Packet+17/4c>
Trace; c405aae5 <[click]fragment__12IPFragmenterP6Packet+259/450>
Trace; c01087cf <do_8259A_IRQ+7f/a8>
Trace; c01087ed <do_8259A_IRQ+9d/a8>
Trace; c4033413 <[click]push__7ElementiP6Packet+2f/34>
Trace; c4033413 <[click]push__7ElementiP6Packet+2f/34>
Trace; c4033413 <[click]push__7ElementiP6Packet+2f/34>
Trace; c4033413 <[click]push__7ElementiP6Packet+2f/34>
Trace; c40648b2 <[click]push__14LinearIPLookupiP6Packet+b2/bc>
Trace; c40648b2 <[click]push__14LinearIPLookupiP6Packet+b2/bc>
Trace; c4033413 <[click]push__7ElementiP6Packet+2f/34>
Trace; c4033413 <[click]push__7ElementiP6Packet+2f/34>
Trace; c4033413 <[click]push__7ElementiP6Packet+2f/34>
Trace; c4076958 <[click]push__10ClassifieriP6Packet+7c/a8>
Trace; c4088f15 <[click]click_sched__FPv+bd/138>
Trace; c010653f <kernel_thread+23/30>
Code;  c404faee <[click]handle_ip__10ARPQuerierP6Packet+f6/1fc>
00000000 <_EIP>:
Code;  c404faee <[click]handle_ip__10ARPQuerierP6Packet+f6/1fc>   <=====
   0:   8b 56 38                  mov    0x38(%esi),%edx   <=====
Code;  c404faf1 <[click]handle_ip__10ARPQuerierP6Packet+f9/1fc>
   3:   8b 4d 08                  mov    0x8(%ebp),%ecx
Code;  c404faf4 <[click]handle_ip__10ARPQuerierP6Packet+fc/1fc>
   6:   8b 81 48 04 00 00         mov    0x448(%ecx),%eax
Code;  c404fafa <[click]handle_ip__10ARPQuerierP6Packet+102/1fc>
   c:   89 42 06                  mov    %eax,0x6(%edx)
Code;  c404fafd <[click]handle_ip__10ARPQuerierP6Packet+105/1fc>
   f:   66 8b 81 4c 04 00 00      mov    0x44c(%ecx),%ax

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