ubuntu 8.04 xen kernel crash on debian 6

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/259487

[80913.895719] BUG: soft lockup - CPU#1 stuck for 11s! [java:31877]
[80913.895773]
[80913.895775] Pid: 31877, comm: java Tainted: G      D (2.6.24-26-xen #1)
[80913.895778] EIP: 0061:[<c03286e7>] EFLAGS: 00000286 CPU: 1
[80913.895781] EIP is AT _spin_lock+0x7/0x10
[80913.895783] EAX: c1aa7e0c EBX: 00000000 ECX: c1aa7e00 EDX: 00000007
[80913.895785] ESI: f1554067 EDI: 00000005 EBP: e1770858 ESP: ec76be4c
[80913.895787]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0069
[80913.895791] CR0: 80050033 CR2: aff0b000 CR3: 0dc74000 CR4: 00002660
[80913.895794] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[80913.895796] DR6: ffff0ff0 DR7: 00000400
[80913.895798]  [<c0171646>] handle_mm_fault+0xae6/0x1360
[80913.895802]  [<c015f8ec>] generic_file_aio_read+0x10c/0x1b0
[80913.895806]  [<c01855c5>] do_sync_read+0xd5/0x120
[80913.895809]  [<c0107e75>] local_clock+0x55/0xa0
[80913.895813]  [<c032a27e>] do_page_fault+0x35e/0xe70
[80913.895815]  [<c02a84b0>] sock_attach_fd+0x80/0xc0
[80913.895819]  [<c0140784>] do_gettimeofday+0x34/0xe0
[80913.895823]  [<c0210f00>] copy_to_user+0x30/0x60
[80913.895826]  [<c012ba38>] sys_gettimeofday+0x28/0x80
[80913.895829]  [<c0329f20>] do_page_fault+0x0/0xe70
[80913.895831]  [<c0328bc5>] error_code+0x35/0x40