[Xen-devel] potentially nasty oops on startup

[Rik van Riel <riel@xxxxxxxxxx>]

Hi,

I'm getting the following oops on startup, and I'm not quite
sure why.  It looks nasty though, with an invalid page being
mapped into a process, and a strange looking EIP ...

do_wp_page: bogus page at address 00000449
VM: killing process kmodule
Unable to handle kernel NULL pointer dereference at virtual address 00000449
 printing eip:
00001eca
*pde = ma 0d183067 pa 0a583067
*pte = ma 00000025 pa 55555025
 [<c010d91c>] syscall_call+0x7/0xb

Oops: 0003 [#1]
Modules linked in: ext3 jbd
CPU:    0
EIP:    c000:[<00001eca>]    Not tainted VLI
EFLAGS: 00033206   (2.6.9-1.1009_FC4xen0) 
EIP is at 0x1eca
eax: 00004f03   ebx: 00000000   ecx: 00000000   edx: 00000000
esi: 00000000   edi: 00000000   ebp: 00000fdc   esp: c8f99f24
ds: 0000   es: 0000   ss: 0069
Process kmodule (pid: 584, threadinfo=c8f99000 task=c8a88d30)
Stack: 00000fd0 00001000 00001101 00000000 00000000 00000000 00000000 00000000
       00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
       80000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
Call Trace:
 [<c010d91c>] syscall_call+0x7/0xb

Code:  Bad EIP value.
 <6>e100: Intel(R) PRO/100 Network Driver, 3.0.27-k2-NAPI


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