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Kernel BUG at pageattr_xen:108
invalid operand: 0000 [1] SMP
CPU 0
Modules linked in:
Pid: 39, comm: udev Not tainted 2.6.9-67.0.1.ELxenU
RIP: e030:[<ffffffff8011ab80>] Initializing CPU#7
<ffffffff8011ab80>{mm_unpin+336}
RSP: e02b:ffffff803fc67e28  EFLAGS: 00010282
RAX: 00000000ffffffea RBX: ffffff803fc7b000 RCX: 000000000003fc7a
RDX: 0000000000000000 RSI: 000000000d172067 RDI: ffffff803fc7a000
RBP: ffffff80026516c0 R08: 00000000000000ff R09: ffffffffff5fd000
R10: 0000000000007ff0 R11: ffffffffff5fd000 R12: ffffff80026516c0
R13: ffffff803fc3c7f0 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffffffff80420000(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000
Process udev (pid: 39, threadinfo ffffff803fc66000, task ffffff803fc3c7f0)
Stack: ffffffffff5fd000 ffffffff80101000 0000000000000006 ffffffff8011aef8
       ffffff8000000005 000000000040743e ffffff800261b838 000000000000000f
       0000000000400dba ffffffff8011979f
Call Trace:<ffffffff80101000>{init_level4_pgt+0} <ffffffff8011aef8>{_arch_exit_mmap+722}
       <ffffffff8011979f>{do_page_fault+616} <ffffffff80168e0d>{exit_mmap+30}
       <ffffffff8012df1f>{mmput+102} <ffffffff8013250c>{do_exit+623}
       <ffffffff80133012>{sys_exit_group+0} <ffffffff8010d636>{system_call+134}
       <ffffffff8010d5b0>{system_call+0}

Code: 0f 0b 53 79 2a 80 ff ff ff ff 6c 00 48 be 67 00 00 00 00 00
RIP <ffffffff8011ab80>{mm_unpin+336} RSP <ffffff803fc67e28>
 <0>Kernel panic - not syncing: Oops