Public bug reported:

Binary package hint: linux-source-2.6.22

Oct 19 15:30:38 ubuntu kernel: [ 3905.899995] ------------[ cut here 
]------------
Oct 19 15:30:38 ubuntu kernel: [ 3905.900124] kernel BUG at 
/build/buildd/linux-source-2.6.22-2.6.22/debian/build/custom-source-xen/arch/i386/mm/hypervisor.c:60!
Oct 19 15:30:38 ubuntu kernel: [ 3905.900249] invalid opcode: 0000 [#1]
Oct 19 15:30:38 ubuntu kernel: [ 3905.900348] SMP 
Oct 19 15:30:38 ubuntu kernel: [ 3905.900604] Modules linked in: snd_rtctimer 
binfmt_misc rfcomm l2cap bridge nfsd exportfs lockd sunrpc i915 drm ppdev 
button ac battery ipv6 af_packet sbp2 lp arc4 ecb blkcipher ieee80211_crypt_wep 
snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss 
snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq pcmcia snd_timer 
snd_seq_device ipw3945 joydev snd soundcore ieee80211 ieee80211_crypt hci_usb 
intel_agp bluetooth snd_page_alloc parport_pc parport pcspkr yenta_socket 
shpchp pci_hotplug tpm_infineon tpm tpm_bios agpgart psmouse rsrc_nonstatic 
pcmcia_core serio_raw evdev ext3 jbd mbcache sg sr_mod cdrom sd_mod ata_generic 
tg3 ohci1394 ieee1394 ata_piix libata scsi_mod ehci_hcd uhci_hcd usbcore 
dm_mirror dm_snapshot dm_mod thermal processor fan fuse apparmor commoncap
Oct 19 15:30:38 ubuntu kernel: [ 3905.908009] CPU:    0
Oct 19 15:30:38 ubuntu kernel: [ 3905.908010] EIP:    
0061:[xen_l2_entry_update+148/160]    Not tainted VLI
Oct 19 15:30:38 ubuntu kernel: [ 3905.908013] EFLAGS: 00010282   (2.6.22-14-xen 
#1)
Oct 19 15:30:38 ubuntu kernel: [ 3905.908313] EIP is at 
xen_l2_entry_update+0x94/0xa0
Oct 19 15:30:38 ubuntu kernel: [ 3905.908414] eax: ffffffea   ebx: ea091e0c   
ecx: 00000001   edx: 00000000
Oct 19 15:30:38 ubuntu kernel: [ 3905.908519] esi: 00007ff0   edi: 00000000   
ebp: e56d38c0   esp: ea091e04
Oct 19 15:30:38 ubuntu kernel: [ 3905.908623] ds: 007b   es: 007b   fs: 00d8  
gs: 0000  ss: 0069
Oct 19 15:30:38 ubuntu kernel: [ 3905.908727] Process bash (pid: 11957, 
ti=ea090000 task=e532a000 task.ti=ea090000)
Oct 19 15:30:38 ubuntu kernel: [ 3905.908832] Stack: 31f59067 00000000 546abdf0 
00000000 31f59067 00000000 00000000 31f59067 
Oct 19 15:30:38 ubuntu kernel: [ 3905.909675]        00000000 c01615ec ea0aadf0 
e56d38c0 4c959000 00000000 00000000 00000000 
Oct 19 15:30:38 ubuntu kernel: [ 3905.910515]        00000000 e56d38c0 c016580e 
f57f6920 ea0aadf8 c28a0a6c 7c72f025 00000000 
Oct 19 15:30:38 ubuntu kernel: [ 3905.911356] Call Trace:
Oct 19 15:30:38 ubuntu kernel: [ 3905.911565]  [__pte_alloc+588/816] 
__pte_alloc+0x24c/0x330
Oct 19 15:30:38 ubuntu kernel: [ 3905.911764]  [__handle_mm_fault+5278/6784] 
__handle_mm_fault+0x149e/0x1a80
Oct 19 15:30:38 ubuntu kernel: [ 3905.911999]  [check_pgt_cache+27/32] 
check_pgt_cache+0x1b/0x20
Oct 19 15:30:38 ubuntu kernel: [ 3905.912189]  [unmap_region+207/288] 
unmap_region+0xcf/0x120
Oct 19 15:30:38 ubuntu kernel: [ 3905.912405]  [do_page_fault+0/3568] 
do_page_fault+0x0/0xdf0
Oct 19 15:30:38 ubuntu kernel: [ 3905.912603]  [do_page_fault+766/3568] 
do_page_fault+0x2fe/0xdf0
Oct 19 15:30:38 ubuntu kernel: [ 3905.912836]  [do_page_fault+0/3568] 
do_page_fault+0x0/0xdf0
Oct 19 15:30:38 ubuntu kernel: [ 3905.913024]  [error_code+53/64] 
error_code+0x35/0x40
Oct 19 15:30:38 ubuntu kernel: [ 3905.913238]  =======================
Oct 19 15:30:38 ubuntu kernel: [ 3905.913339] Code: 89 74 24 08 be f0 7f 00 00 
89 54 24 14 31 d2 89 44 24 10 e8 af 81 fe ff 85 c0 78 0f 83 c4 18 5b 5e 5f c3 
39 c2 72 9b 0f 0b eb fe <0f> 0b eb fe 90 8d b4 26 00 00 00 00 56 89 c2 53 83 ec 
0c c1 ea 
Oct 19 15:30:38 ubuntu kernel: [ 3905.918785] EIP: 
[xen_l2_entry_update+148/160] xen_l2_entry_update+0x94/0xa0 SS:ESP 0069:ea091e04

** Affects: linux-source-2.6.22 (Ubuntu)
     Importance: Undecided
         Status: New

-- 
crash 10 min after start dom0
https://bugs.launchpad.net/bugs/154553
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