CPU stuck for 22s! on XenServer 6.2

[Piotr Domański]

Hi,
after I upgrade linux-meta-lts-raring from 3.8.0.36.36 to 3.8.0.37.37 I have issue, about 30min after boot:
 xen: vector 0x2 is not implemented
Mar 20 11:11:30 host kernel: [ 698.958399] BUG: Bad rss-counter state mm:ffff88012d5c52c0 idx:1 val:415
Mar 20 11:13:25 host kernel: [ 814.084219] BUG: Bad page map: 1032 messages suppressed
Mar 20 11:13:25 host kernel: [ 814.084231] BUG: Bad page map in process DOM Worker pte:00000145 pmd:da1e8067
Mar 20 11:38:39 host kernel: [ 2328.523311] [<ffffffff8115c399>] print_bad_pte+0x1d9/0x270
Mar 20 11:38:39 host kernel: [ 2328.523323] [<ffffffff8115d35e>] vm_normal_page+0x6e/0x80
Mar 20 11:38:39 host kernel: [ 2328.523327] [<ffffffff8115e28c>] zap_pte_range+0x13c/0x440
Mar 20 11:38:39 host kernel: [ 2328.523333] [<ffffffff81005dc0>] ? xen_make_pte+0x20/0x70
Mar 20 11:38:39 host kernel: [ 2328.523339] [<ffffffff8115e756>] unmap_page_range+0x1c6/0x320
Mar 20 11:38:39 host kernel: [ 2328.523343] [<ffffffff8115e937>] unmap_single_vma+0x87/0x100
Mar 20 11:38:39 host kernel: [ 2328.523348] [<ffffffff8100afaf>] ? xen_restore_fl_direct_reloc+0x4/0x4
Mar 20 11:38:39 host kernel: [ 2328.523353] [<ffffffff8115f1f4>] unmap_vmas+0x54/0xa0
Mar 20 11:38:39 host kernel: [ 2328.523357] [<ffffffff8116755c>] exit_mmap+0x9c/0x170
Mar 20 11:38:39 host kernel: [ 2328.523363] [<ffffffff816fd543>] ? kprobe_flush_task+0xc3/0x150
Mar 20 11:38:39 host kernel: [ 2328.523369] [<ffffffff8105788a>] mmput.part.22+0x4a/0x120
Mar 20 11:38:39 host kernel: [ 2328.523373] [<ffffffff81057989>] mmput+0x29/0x30
Mar 20 11:38:39 host kernel: [ 2328.523378] [<ffffffff8105fd3a>] exit_mm+0x10a/0x130
Mar 20 11:38:39 host kernel: [ 2328.523382] [<ffffffff810fbedb>] ? taskstats_exit+0x1cb/0x270
Mar 20 11:38:39 host kernel: [ 2328.523388] [<ffffffff816f6655>] ? _raw_spin_lock_irq+0x15/0x20
Mar 20 11:38:39 host kernel: [ 2328.523392] [<ffffffff8105fec3>] do_exit+0x163/0x480
Mar 20 11:38:39 host kernel: [ 2328.523397] [<ffffffff8106d70b>] ? __dequeue_signal+0x6b/0xb0
Mar 20 11:38:39 host kernel: [ 2328.523400] [<ffffffff81060274>] do_group_exit+0x44/0xa0
Mar 20 11:38:39 host kernel: [ 2328.523405] [<ffffffff8107029e>] get_signal_to_deliver+0x22e/0x490
Mar 20 11:38:39 host kernel: [ 2328.523411] [<ffffffff81014c69>] do_signal+0x29/0x130
Mar 20 11:38:39 host kernel: [ 2328.523416] [<ffffffff810bb47c>] ? do_futex+0x7c/0x1b0
Mar 20 11:38:39 host kernel: [ 2328.523420] [<ffffffff810bb6f7>] ? sys_futex+0x147/0x1a0
Mar 20 11:38:39 host kernel: [ 2328.523424] [<ffffffff81014df0>] do_notify_resume+0x80/0xc0
Mar 20 11:38:39 host kernel: [ 2328.523429] [<ffffffff816ff49a>] int_signal+0x12/0x17
Mar 20 11:26:15 host kernel: [ 1584.303620] [<ffffffff8100afaf>] ? xen_restore_fl_direct_reloc+0x4/0x4
Mar 20 11:26:15 host kernel: [ 1584.303683] [<ffffffff81005dc0>] ? xen_make_pte+0x20/0x70
Mar 20 11:26:15 host kernel: [ 1584.303692] [<ffffffff8100afaf>] ? xen_restore_fl_direct_reloc+0x4/0x4
Mar 20 11:26:15 host kernel: [ 1584.303776] [<ffffffff81005dc0>] ? xen_make_pte+0x20/0x70
Mar 20 11:26:15 host kernel: [ 1584.303784] [<ffffffff8100afaf>] ? xen_restore_fl_direct_reloc+0x4/0x4
Mar 20 11:38:39 host kernel: [ 2328.523333] [<ffffffff81005dc0>] ? xen_make_pte+0x20/0x70
Mar 20 11:38:39 host kernel: [ 2328.523348] [<ffffffff8100afaf>] ? xen_restore_fl_direct_reloc+0x4/0x4