Again.

May  7 01:20:10 aethereal kernel: [147379.785707] BUG: unable to handle kernel N
ULL pointer dereference at 0000000000000000
May  7 01:20:10 aethereal kernel: [147379.785713] IP: [<ffffffffa03e28a0>] gfn_t
o_rmap+0x50/0x70 [kvm]
May  7 01:20:10 aethereal kernel: [147379.785733] PGD cf107067 PUD c7165067 PMD
0
May  7 01:20:10 aethereal kernel: [147379.785736] Oops: 0000 [#1] SMP
May  7 01:20:10 aethereal kernel: [147379.785739] last sysfs file: /sys/devices/
pci0000:00/0000:00:1c.1/0000:0c:00.0/rfkill/rfkill0/state
May  7 01:20:10 aethereal kernel: [147379.785741] Dumping ftrace buffer:
May  7 01:20:10 aethereal kernel: [147379.785744]    (ftrace buffer empty)
May  7 01:20:10 aethereal kernel: [147379.785745] CPU 0
May  7 01:20:10 aethereal kernel: [147379.785747] Modules linked in: binfmt_misc
 i915 drm ppdev bridge stp bnep input_polldev kvm_intel kvm snd_hwdep sbp2 lp pa
rport snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss
arc4 ecb snd_seq_midi pata_pcmcia snd_rawmidi snd_seq_midi_event iwlagn iwlcore
snd_seq snd_timer snd_seq_device led_class pcmcia snd mac80211 soundcore yenta_s
ocket rsrc_nonstatic pcmcia_core dcdbas psmouse iTCO_wdt iTCO_vendor_support pcs
pkr btusb snd_page_alloc cfg80211 serio_raw joydev sha256_generic aes_x86_64 aes
_generic cbc dm_crypt fbcon tileblit font bitblit softcursor squashfs unionfs nl
s_iso8859_1 nls_cp437 vfat fat usbhid usb_storage ohci1394 ieee1394 tg3 video ou
tput intel_agp
May  7 01:20:10 aethereal kernel: [147379.785786] Pid: 2053, comm: kvm Not taint
ed 2.6.28-11-generic #42-Ubuntu
May  7 01:20:10 aethereal kernel: [147379.785788] RIP: 0010:[<ffffffffa03e28a0>]
  [<ffffffffa03e28a0>] gfn_to_rmap+0x50/0x70 [kvm]
May  7 01:20:10 aethereal kernel: [147379.785797] RSP: 0018:ffff8800bb861968  EF
LAGS: 00010246
May  7 01:20:10 aethereal kernel: [147379.785799] RAX: 0000000000000000 RBX: 000
0000000000000 RCX: 0000000000000000
May  7 01:20:10 aethereal kernel: [147379.785800] RDX: 00000000000fee01 RSI: 000
0000000000022 RDI: fffffffffffff001
May  7 01:20:10 aethereal kernel: [147379.785802] RBP: ffff8800bb861978 R08: 000
0000000000022 R09: 0000000000000000
May  7 01:20:10 aethereal kernel: [147379.785803] R10: ffff8800bb8619f8 R11: 000
0000000000000 R12: fffffffffffff001
May  7 01:20:10 aethereal kernel: [147379.785805] R13: ffff880047182a50 R14: fff
f8800bb968000 R15: ffff8800bb8619f8
May  7 01:20:10 aethereal kernel: [147379.785807] FS:  00007f7b640ea950(0000) GS
:ffffffff80aa3000(0000) knlGS:0000000000000000
May  7 01:20:10 aethereal kernel: [147379.785809] CS:  0010 DS: 002b ES: 002b CR
0: 0000000080050033
May  7 01:20:10 aethereal kernel: [147379.785810] CR2: 0000000000000000 CR3: 000
00000bf568000 CR4: 00000000000026a0
May  7 01:20:10 aethereal kernel: [147379.785812] DR0: 0000000000000000 DR1: 000
0000000000000 DR2: 0000000000000000
May  7 01:20:10 aethereal kernel: [147379.785814] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
May  7 01:20:10 aethereal kernel: [147379.785816] Process kvm (pid: 2053, threadinfo ffff8800bb860000, task ffff8800bf5a9660)
May  7 01:20:10 aethereal kernel: [147379.785817] Stack:
May  7 01:20:10 aethereal kernel: [147379.785818]  000000c2f967e789 ffff88010a874800 ffff8800bb8619a8 ffffffffa03e2965
May  7 01:20:10 aethereal kernel: [147379.785821]  0000000000000800 ffff880047182a50 fffffffffffff001 ffff8800bf47a850
May  7 01:20:10 aethereal kernel: [147379.785824]  ffff8800bb861a28 ffffffffa03e56f2 ffff8800bb8619d8 ffffffffa03d7661
May  7 01:20:10 aethereal kernel: [147379.785828] Call Trace:
May  7 01:20:10 aethereal kernel: [147379.785830]  [<ffffffffa03e2965>] rmap_remove+0xa5/0x230 [kvm]
May  7 01:20:10 aethereal kernel: [147379.785838]  [<ffffffffa03e56f2>] paging64_sync_page+0xa2/0x1a0 [kvm]
May  7 01:20:10 aethereal kernel: [147379.785847]  [<ffffffffa03d7661>] ? gfn_to_memslot+0x11/0x60 [kvm]
May  7 01:20:10 aethereal kernel: [147379.785855]  [<ffffffffa03e286b>] ? gfn_to_rmap+0x1b/0x70 [kvm]
May  7 01:20:10 aethereal kernel: [147379.785863]  [<ffffffffa03e4da5>] kvm_sync_page+0xb5/0x100 [kvm]
May  7 01:20:10 aethereal kernel: [147379.785872]  [<ffffffffa03e4fe3>] kvm_mmu_get_page+0x173/0x460 [kvm]
May  7 01:20:10 aethereal kernel: [147379.785880]  [<ffffffffa03e7890>] paging64_page_fault+0x280/0x510 [kvm]
May  7 01:20:10 aethereal kernel: [147379.785888]  [<ffffffffa03e5bba>] kvm_mmu_page_fault+0x1a/0xb0 [kvm]
May  7 01:20:10 aethereal kernel: [147379.785896]  [<ffffffffa040d297>] handle_exception+0x377/0x420 [kvm_intel]
May  7 01:20:10 aethereal kernel: [147379.785901]  [<ffffffffa040bc91>] kvm_handle_exit+0x121/0x2e0 [kvm_intel]
May  7 01:20:10 aethereal kernel: [147379.785905]  [<ffffffffa03e13ec>] kvm_arch_vcpu_ioctl_run+0x69c/0xbd0 [kvm]
May  7 01:20:10 aethereal kernel: [147379.785914]  [<ffffffff80277ce9>] ? futex_wait+0x379/0x4b0
May  7 01:20:10 aethereal kernel: [147379.785919]  [<ffffffffa03d66a2>] kvm_vcpu_ioctl+0x2e2/0x5a0 [kvm]
May  7 01:20:10 aethereal kernel: [147379.785927]  [<ffffffff8069e569>] ? _spin_lock+0x9/0x10
May  7 01:20:10 aethereal kernel: [147379.785930]  [<ffffffff80277718>] ? futex_wake+0xf8/0x130
May  7 01:20:10 aethereal kernel: [147379.785933]  [<ffffffff802f62d1>] vfs_ioctl+0x31/0xa0
May  7 01:20:10 aethereal kernel: [147379.785936]  [<ffffffff802f6685>] do_vfs_ioctl+0x75/0x230
May  7 01:20:10 aethereal kernel: [147379.785939]  [<ffffffff802f68d9>] sys_ioctl+0x99/0xa0
May  7 01:20:10 aethereal kernel: [147379.785941]  [<ffffffff8021253a>] system_call_fastpath+0x16/0x1b
May  7 01:20:10 aethereal kernel: [147379.785945] Code: 4c 89 e2 48 c1 ea 09 48c1 e8 09 48 29 c2 48 c1 e2 04 48 03 51 28 48 89 d0 48 8b 1c 24 4c 8b 64 24 08 c9 c3 0f 1f 80 00 00 00 00 <4c> 2b 20 4a 8d 14 e5 00 00 00 00 48 03 50 18 eb da 66 66 66 66
May  7 01:20:10 aethereal kernel: [147379.785971] RIP  [<ffffffffa03e28a0>] gfn_to_rmap+0x50/0x70 [kvm]
May  7 01:20:10 aethereal kernel: [147379.785979]  RSP <ffff8800bb861968>
May  7 01:20:10 aethereal kernel: [147379.785981] CR2: 0000000000000000
May  7 01:20:10 aethereal kernel: [147379.785991] ---[ end trace d148b13beed0c354 ]---