root@tarballerina:~# xl -v migrate testvm-2.6 xenturio2
migration target: Ready to receive domain.
Saving to migration stream new xl format (info 0x0/0x0/341)
Loading new save file incoming migration stream (new xl fmt info 0x0/0x0/341)
 Savefile contains xl domain config
xc: detail: Had 0 unexplained entries in p2m table
xc: Saving memory: iter 0 (last sent 0 skipped 0): 1050624/1050624  100%
xc: detail: delta 10196ms, dom0 72%, target 0%, sent 420Mb/s, dirtied 0Mb/s 211 pages
xc: Saving memory: iter 1 (last sent 130874 skipped 198): 1050624/1050624  100%
xc: detail: delta 21ms, dom0 76%, target 0%, sent 329Mb/s, dirtied 0Mb/s 0 pages
xc: Saving memory: iter 2 (last sent 211 skipped 0): 1050624/1050624  100%
xc: detail: Start last iteration
xc: detail: SUSPEND shinfo 000cf285
xc: detail: delta 213ms, dom0 8%, target 0%, sent 0Mb/s, dirtied 33Mb/s 219 pages
xc: Saving memory: iter 3 (last sent 0 skipped 0): 1050624/1050624  100%
xc: detail: delta 15ms, dom0 100%, target 0%, sent 478Mb/s, dirtied 478Mb/s 219 pages
xc: detail: Total pages sent= 131304 (0.12x)
xc: detail: (of which 0 were fixups)
xc: detail: All memory is saved
xc: detail: Save exit rc=0
migration target: Transfer complete, requesting permission to start domain.
migration sender: Target has acknowledged transfer.
migration sender: Giving target permission to start.
migration target: Got permission, starting domain.
migration target: Domain started successsfully.
migration sender: Target reports successful startup.
Migration successful.

### Migration successful?  No really:


root@xenturio2:~# xl console testvm-2.6
PM: early restore of devices complete after 0.096 msecs
rsyslogd[906] trap invalid opcode ip:7fa1753a3396 sp:7fa173452d58 error:0 in libc-2.11.2.so[7fa17529c000+158000]
invalid opcode: 0000 [#1] SMP
last sysfs file: /sys/devices/virtual/vc/vcs6/uevent
CPU 1
Pid: 905, comm: rsyslogd Not tainted 2.6.39-xenU #5
RIP: e030:[<ffffffff810c50da>]  [<ffffffff810c50da>] exit_mmap+0x9d/0x14f
RSP: e02b:ffff88001a457c88  EFLAGS: 00010206
RAX: ffffffff814ab178 RBX: ffff88001f9900b0 RCX: 0000000000000000
RDX: ffff88001fedac50 RSI: ffff88001f9900b0 RDI: 0000000000000003
RBP: ffff880019d81180 R08: ffff88001a457c88 R09: ffffffff8135ad98
R10: 0000000000000000 R11: 0000000000000000 R12: ffff880019d81180
R13: ffff880019d811e0 R14: 0000000000000000 R15: ffff88001f916710
FS:  00007fa173c54700(0000) GS:ffff88001fecd000(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000000 CR3: 000000000146f000 CR4: 0000000000002660
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process rsyslogd (pid: 905, threadinfo ffff88001a456000, task ffff88001f916710)
Stack:
 0000000000000000 ffff88001a461cd8 ffff880019d81180 ffff88001f916710
 ffff880019d81180 ffffffff81064ebc ffff880019d81180 ffffffff81068566
 0000000000000000 0000000000000000 ffffffff8134861a 0000000000000000
Call Trace:
 [<ffffffff81064ebc>] ? mmput+0x20/0xb2
 [<ffffffff81068566>] ? exit_mm+0x12a/0x135
 [<ffffffff8134861a>] ? _raw_spin_lock_irq+0xc/0xf
 [<ffffffff81069f2d>] ? do_exit+0x263/0x6dc
 [<ffffffff8106a427>] ? do_group_exit+0x81/0xab
 [<ffffffff81073b45>] ? get_signal_to_deliver+0x31f/0x348
 [<ffffffff81030fd1>] ? do_signal+0x6a/0x682
 [<ffffffff8103160e>] ? do_notify_resume+0x25/0x4f
 [<ffffffff81349360>] ? int_signal+0x12/0x17
Code: 00 00 65 48 03 14 25 a0 db 00 00 48 8b 05 e7 5e 29 00 48 89 2a 49 89 e0 48 8b 38 48 89 de 81 e7 ff 00 00 00 c7 42 10 01 00 00 00 <f3> 48 0f b8 c7 48 8d 7c 24 08 83 f8 02 19 c0 45 31 c9 48 83 c9
RIP  [<ffffffff810c50da>] exit_mmap+0x9d/0x14f
 RSP <ffff88001a457c88>
---[ end trace 617c3853812541b3 ]---
Fixing recursive fault but reboot is needed!
invalid opcode: 0000 [#2] SMP
last sysfs file: /sys/devices/virtual/vc/vcs6/uevent
CPU 1
Pid: 134, comm: kworker/1:1 Tainted: G      D     2.6.39-xenU #5
RIP: e030:[<ffffffff8109db8c>]  [<ffffffff8109db8c>] synchronize_sched+0x15/0x56
RSP: e02b:ffff88001fa33cf0  EFLAGS: 00010206
RAX: ffffffff814ab178 RBX: ffff88001fa33cd0 RCX: ffffffff8102eb02
RDX: fffffffffffffed6 RSI: 0000000000000000 RDI: 0000000000000003
RBP: ffff88001fa33d70 R08: ffffffff815ccac0 R09: ffffffff815ccac0
R10: ffff88001fa18000 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000001 R15: ffff88001f99ac00
FS:  00007fa173c54700(0000) GS:ffff88001fecd000(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000000 CR3: 000000000146f000 CR4: 0000000000002660
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process kworker/1:1 (pid: 134, threadinfo ffff88001fa32000, task ffff88001fa38000)
Stack:
 ffffffff8102ebdf ffffffff810330ed ffffffff8102eb02 ffff88001fa18000
 ffff88001fa33d70 ffffffff8106bb43 ffff88001fa33cd0 ffffffff812c8a22
 0000000000000000 ffff88001fa18000 0000000000000002 ffff88001fa33dc0
Call Trace:
 [<ffffffff8102ebdf>] ? xen_restore_fl_direct_reloc+0x4/0x4
 [<ffffffff810330ed>] ? do_softirq+0x75/0x79
 [<ffffffff8102eb02>] ? xen_timerop_set_next_event+0x32/0x3d
 [<ffffffff8106bb43>] ? local_bh_enable+0x7a/0x8f
 [<ffffffff812c8a22>] ? dev_deactivate_many+0x164/0x1ff
 [<ffffffff812c4b26>] ? __linkwatch_run_queue+0x1ca/0x1ca
 [<ffffffff812c8aea>] ? dev_deactivate+0x2d/0x42
 [<ffffffff8102ebdf>] ? xen_restore_fl_direct_reloc+0x4/0x4
 [<ffffffff812c477c>] ? linkwatch_do_dev+0x9c/0xb2
 [<ffffffff812c4aca>] ? __linkwatch_run_queue+0x16e/0x1ca
 [<ffffffff8133132a>] ? cache_clean+0x23f/0x23f
 [<ffffffff812c4b46>] ? linkwatch_event+0x20/0x26
 [<ffffffff8134861a>] ? _raw_spin_lock_irq+0xc/0xf
 [<ffffffff81079262>] ? process_one_work+0x20b/0x34f
 [<ffffffff8102ebdf>] ? xen_restore_fl_direct_reloc+0x4/0x4
 [<ffffffff81348632>] ? _raw_spin_unlock_irqrestore+0x15/0x17
 [<ffffffff8102e5fd>] ? xen_force_evtchn_callback+0x9/0xa
 [<ffffffff810797a3>] ? worker_thread+0x1dc/0x35d
 [<ffffffff8102e5fd>] ? xen_force_evtchn_callback+0x9/0xa
 [<ffffffff810795c7>] ? rescuer_thread+0x221/0x221
 [<ffffffff8107c3af>] ? kthread+0x7a/0x82
 [<ffffffff81349ea4>] ? kernel_thread_helper+0x4/0x10
 [<ffffffff813492b3>] ? int_ret_from_sys_call+0x7/0x1b
 [<ffffffff813489e1>] ? retint_restore_args+0x5/0x6
 [<ffffffff81349ea0>] ? gs_change+0x13/0x13
Code: 81 e8 7c fb ff ff 48 8d 7c 24 10 e8 ad 8b 2a 00 48 83 c4 30 5b c3 53 48 83 ec 30 48 8b 05 25 d4 2b 00 48 8b 38 81 e7 ff 00 00 00 <f3> 48 0f b8 c7 ff c8 74 32 48 8d 7c 24 18 48 c7 c6 fd 76 5b 81
RIP  [<ffffffff8109db8c>] synchronize_sched+0x15/0x56
 RSP <ffff88001fa33cf0>
---[ end trace 617c3853812541b4 ]---
BUG: unable to handle kernel paging request at fffffffffffffff8
IP: [<ffffffff8107c033>] kthread_data+0x7/0xc
PGD 1471067 PUD 1472067 PMD 0
Oops: 0000 [#3] SMP
last sysfs file: /sys/devices/virtual/vc/vcs6/uevent
CPU 1
Pid: 134, comm: kworker/1:1 Tainted: G      D     2.6.39-xenU #5
RIP: e030:[<ffffffff8107c033>]  [<ffffffff8107c033>] kthread_data+0x7/0xc
RSP: e02b:ffff88001fa339d0  EFLAGS: 00010002
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff88001fa38000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001fa38000
RBP: ffff88001fa38000 R08: ffff88001f51fe00 R09: ffff88001fa38000
R10: ffff88001fa38000 R11: dead000000200200 R12: ffff88001fa33b28
R13: ffff88001fa38280 R14: 0000000000000001 R15: 0000000000000001
FS:  00007fa173c54700(0000) GS:ffff88001fecd000(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: fffffffffffffff8 CR3: 000000000146f000 CR4: 0000000000002660
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process kworker/1:1 (pid: 134, threadinfo ffff88001fa32000, task ffff88001fa38000)
Stack:
 ffffffff8107898a ffff88001fedfdc0 ffffffff8134691b ffff880000000020
 00000000000006b6 0000000000012dc0 ffff88001fa33fd8 ffff88001fa33fd8
 0000000000012dc0 ffff88001fa38000 ffff88001fa32010 ffff88001f81a000
Call Trace:
 [<ffffffff8107898a>] ? wq_worker_sleeping+0x8/0x7f
 [<ffffffff8134691b>] ? schedule+0x109/0x784
 [<ffffffff8102e5fd>] ? xen_force_evtchn_callback+0x9/0xa
 [<ffffffff8102ebf2>] ? check_events+0x12/0x20
 [<ffffffff8106a48f>] ? complete_and_exit+0x16/0x16
 [<ffffffff8102ebdf>] ? xen_restore_fl_direct_reloc+0x4/0x4
 [<ffffffff8109d6db>] ? __call_rcu+0x122/0x12a
 [<ffffffff81068f22>] ? release_task+0x390/0x3a8
 [<ffffffff813485e5>] ? _raw_spin_lock+0x5/0x8
 [<ffffffff8106a398>] ? do_exit+0x6ce/0x6dc
 [<ffffffff810340bc>] ? oops_end+0x96/0x9b
 [<ffffffff81032206>] ? do_invalid_op+0x8b/0x95
 [<ffffffff8109db8c>] ? synchronize_sched+0x15/0x56
 [<ffffffff8102e5fd>] ? xen_force_evtchn_callback+0x9/0xa
 [<ffffffff8102ebf2>] ? check_events+0x12/0x20
 [<ffffffff81349d1b>] ? invalid_op+0x1b/0x20
 [<ffffffff8102eb02>] ? xen_timerop_set_next_event+0x32/0x3d
 [<ffffffff8109db8c>] ? synchronize_sched+0x15/0x56
 [<ffffffff8102ebdf>] ? xen_restore_fl_direct_reloc+0x4/0x4
 [<ffffffff810330ed>] ? do_softirq+0x75/0x79
 [<ffffffff8102eb02>] ? xen_timerop_set_next_event+0x32/0x3d
 [<ffffffff8106bb43>] ? local_bh_enable+0x7a/0x8f
 [<ffffffff812c8a22>] ? dev_deactivate_many+0x164/0x1ff
 [<ffffffff812c4b26>] ? __linkwatch_run_queue+0x1ca/0x1ca
 [<ffffffff812c8aea>] ? dev_deactivate+0x2d/0x42
 [<ffffffff8102ebdf>] ? xen_restore_fl_direct_reloc+0x4/0x4
 [<ffffffff812c477c>] ? linkwatch_do_dev+0x9c/0xb2
 [<ffffffff812c4aca>] ? __linkwatch_run_queue+0x16e/0x1ca
 [<ffffffff8133132a>] ? cache_clean+0x23f/0x23f
 [<ffffffff812c4b46>] ? linkwatch_event+0x20/0x26
 [<ffffffff8134861a>] ? _raw_spin_lock_irq+0xc/0xf
 [<ffffffff81079262>] ? process_one_work+0x20b/0x34f
 [<ffffffff8102ebdf>] ? xen_restore_fl_direct_reloc+0x4/0x4
 [<ffffffff81348632>] ? _raw_spin_unlock_irqrestore+0x15/0x17
 [<ffffffff8102e5fd>] ? xen_force_evtchn_callback+0x9/0xa
 [<ffffffff810797a3>] ? worker_thread+0x1dc/0x35d
 [<ffffffff8102e5fd>] ? xen_force_evtchn_callback+0x9/0xa
 [<ffffffff810795c7>] ? rescuer_thread+0x221/0x221
 [<ffffffff8107c3af>] ? kthread+0x7a/0x82
 [<ffffffff81349ea4>] ? kernel_thread_helper+0x4/0x10
 [<ffffffff813492b3>] ? int_ret_from_sys_call+0x7/0x1b
 [<ffffffff813489e1>] ? retint_restore_args+0x5/0x6
 [<ffffffff81349ea0>] ? gs_change+0x13/0x13
Code: ff 31 c0 59 5b 5b 5d 41 5c 41 5d 41 5e c3 90 90 65 48 8b 04 25 80 cd 00 00 48 8b 80 28 02 00 00 8b 40 f0 c3 48 8b 87 28 02 00 00
 8b 40 f8 c3 31 c0 c3 48 8d 47 08 c7 07 00 00 00 00 48 89 47
RIP  [<ffffffff8107c033>] kthread_data+0x7/0xc
 RSP <ffff88001fa339d0>
CR2: fffffffffffffff8
---[ end trace 617c3853812541b5 ]---
Fixing recursive fault but reboot is needed!


root@xenturio2:~# xl -v migrate testvm-2.6 tarballerina
Saving to migration stream new xl format (info 0x0/0x0/341)
migration target: Ready to receive domain.
Loading new save file incoming migration stream (new xl fmt info 0x0/0x0/341)
 Savefile contains xl domain config
xc: detail: Had 0 unexplained entries in p2m table
xc: Saving memory: iter 0 (last sent 0 skipped 0): 1050624/1050624  100%
xc: detail: delta 9506ms, dom0 90%, target 0%, sent 451Mb/s, dirtied 0Mb/s 176 pages
xc: Saving memory: iter 1 (last sent 130918 skipped 154): 1050624/1050624  100%
xc: detail: delta 22ms, dom0 45%, target 0%, sent 262Mb/s, dirtied 0Mb/s 0 pages
xc: Saving memory: iter 2 (last sent 176 skipped 0): 1050624/1050624  100%
xc: detail: Start last iteration
xc: detail: SUSPEND shinfo 0007fab7
xc: detail: delta 214ms, dom0 4%, target 0%, sent 0Mb/s, dirtied 32Mb/s 212 pages
xc: Saving memory: iter 3 (last sent 0 skipped 0): 1050624/1050624  100%
xc: detail: delta 16ms, dom0 0%, target 0%, sent 434Mb/s, dirtied 434Mb/s 212 pages
xc: detail: Total pages sent= 131306 (0.12x)
xc: detail: (of which 0 were fixups)
xc: detail: All memory is saved
xc: detail: Save exit rc=0
xc: error: Couldn't set eXtended States for vcpu0 (22 = Invalid argument): Internal error
libxl: error: libxl_dom.c:363:libxl__domain_restore_common: restoring domain: Resource temporarily unavailable
libxl: error: libxl_create.c:483:do_domain_create: cannot (re-)build domain: -3
libxl: error: libxl.c:733:libxl_domain_destroy: non-existant domain 4
migration target: Domain creation failed (code -3).
libxl: error: libxl_utils.c:410:libxl_read_exactly: file/stream truncated reading ready message from migration receiver stream
libxl: info: libxl_exec.c:125:libxl_report_child_exitstatus: migration target process [7057] exited with error status 3
Migration failed, resuming at sender.
root@xenturio2:~# xl console testvm-2.6
PM: freeze of devices complete after 0.337 msecs
PM: late freeze of devices complete after 0.161 msecs
------------[ cut here ]------------
kernel BUG at drivers/xen/events.c:1419!
invalid opcode: 0000 [#1] SMP
last sysfs file: /sys/devices/virtual/vc/vcsa5/uevent
CPU 0
Pid: 6, comm: migration/0 Not tainted 2.6.39-xenU #5
RIP: e030:[<ffffffff812548a9>]  [<ffffffff812548a9>] xen_irq_resume+0x14f/0x3a9
RSP: e02b:ffff88001f86bcb0  EFLAGS: 00010082
RAX: ffffffffffffffef RBX: 0000000000000000 RCX: 0000000000000038
RDX: ffffffff8144f240 RSI: 00000000deadbeef RDI: 00000000deadbeef
RBP: 0000000000000000 R08: ffff88001f8bddd4 R09: ffffffff814ab170
R10: 0000000000000000 R11: ffffffff815b2020 R12: 0000000000010160
R13: 00000000000101c0 R14: 0000000000000000 R15: 0000000000000010
FS:  00007f2829b4c7a0(0000) GS:ffff88001feb4000(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000001150a80 CR3: 000000001a48b000 CR4: 0000000000042660
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process migration/0 (pid: 6, threadinfo ffff88001f86a000, task ffff88001f84a460)
Stack:
 ffffc90000001fff ffff88001f86bd14 ffff88001f86bd50 ffff88001f86bd34
 ffffffff815c48b8 0000000000000000 0000000000000002 ffff88001f8bddb0
 ffff88001f84a460 ffffffff8102edd9 00000000000005ad ffff88001f800a90
Call Trace:
 [<ffffffff8102edd9>] ? arch_gnttab_map_shared+0x55/0x5c
 [<ffffffff810d77da>] ? kfree+0x13/0xd1
 [<ffffffff81253242>] ? gnttab_map+0x108/0x116
 [<ffffffff81090001>] ? cpu_stopper_thread+0x169/0x16e
 [<ffffffff81255d57>] ? xen_suspend+0x72/0x8a
 [<ffffffff81090079>] ? stop_machine_cpu_stop+0x73/0xa9
 [<ffffffff81090006>] ? cpu_stopper_thread+0x16e/0x16e
 [<ffffffff8108ff7b>] ? cpu_stopper_thread+0xe3/0x16e
 [<ffffffff810629cc>] ? try_to_wake_up+0x22b/0x23d
 [<ffffffff8102e5fd>] ? xen_force_evtchn_callback+0x9/0xa
 [<ffffffff81036851>] ? sched_clock+0x5/0x8
 [<ffffffff8102e5fd>] ? xen_force_evtchn_callback+0x9/0xa
 [<ffffffff8102ebf2>] ? check_events+0x12/0x20
 [<ffffffff81036851>] ? sched_clock+0x5/0x8
 [<ffffffff8108fe98>] ? ikconfig_read_current+0x20/0x20
 [<ffffffff8107c3af>] ? kthread+0x7a/0x82
 [<ffffffff81349ea4>] ? kernel_thread_helper+0x4/0x10
 [<ffffffff813492b3>] ? int_ret_from_sys_call+0x7/0x1b
 [<ffffffff813489e1>] ? retint_restore_args+0x5/0x6
 [<ffffffff81349ea0>] ? gs_change+0x13/0x13
Code: 48 8b 74 24 10 b9 06 00 00 00 f3 a5 48 8d bc 24 80 00 00 00 e8 69 c9 da ff 48 8b 7c 24 10 48 8b 74 24 18 b1 06 f3 a5 85 c0 74 04 <0f> 0b eb fe 8b 84 24 a8 00 00 00 44 89 fe 0f b7 d0 89 df 89 44
RIP  [<ffffffff812548a9>] xen_irq_resume+0x14f/0x3a9
 RSP <ffff88001f86bcb0>
---[ end trace beebcd2ae7f07d78 ]---
------------[ cut here ]------------
WARNING: at kernel/time/timekeeping.c:245 ktime_get+0x24/0xb9()
Pid: 0, comm: swapper Tainted: G      D     2.6.39-xenU #5
Call Trace:
 [<ffffffff81066a1c>] ? warn_slowpath_common+0x73/0x87
 [<ffffffff81082f50>] ? ktime_get+0x24/0xb9
 [<ffffffff81087e6c>] ? tick_nohz_stop_sched_tick+0x66/0x346
 [<ffffffff81030e12>] ? cpu_idle+0x2f/0x94
 [<ffffffff814c7db0>] ? start_kernel+0x431/0x43c
 [<ffffffff814caaf8>] ? xen_start_kernel+0x59a/0x5a0
---[ end trace beebcd2ae7f07d79 ]---


root@xenturio2:~# xl -v migrate testvm-2.6 netcatarina
migration target: Ready to receive domain.
Saving to migration stream new xl format (info 0x0/0x0/341)
Loading new save file incoming migration stream (new xl fmt info 0x0/0x0/341)
 Savefile contains xl domain config
xc: detail: Had 0 unexplained entries in p2m table
xc: Saving memory: iter 0 (last sent 0 skipped 0): 1050624/1050624  100%
xc: detail: delta 8838ms, dom0 54%, target 0%, sent 484Mb/s, dirtied 1Mb/s 368 pages
xc: Saving memory: iter 1 (last sent 130781 skipped 291): 1050624/1050624  100%
xc: detail: delta 33ms, dom0 24%, target 0%, sent 365Mb/s, dirtied 40Mb/s 41 pages
xc: Saving memory: iter 2 (last sent 368 skipped 0): 1050624/1050624  100%
xc: detail: Start last iteration
xc: detail: SUSPEND shinfo 0007fab7
xc: detail: delta 215ms, dom0 3%, target 0%, sent 6Mb/s, dirtied 34Mb/s 224 pages
xc: Saving memory: iter 3 (last sent 41 skipped 0): 1050624/1050624  100%
xc: detail: delta 16ms, dom0 0%, target 0%, sent 458Mb/s, dirtied 458Mb/s 224 pages
xc: detail: Total pages sent= 131414 (0.13x)
xc: detail: (of which 0 were fixups)
xc: detail: All memory is saved
xc: error: Failed to pin batch of 493 page tables (22 = Invalid argument): Internal error
xc: detail: Save exit rc=0
libxl: error: libxl_dom.c:363:libxl__domain_restore_common: restoring domain: Resource temporarily unavailable
libxl: error: libxl_create.c:483:do_domain_create: cannot (re-)build domain: -3
libxl: error: libxl.c:733:libxl_domain_destroy: non-existant domain 41
migration target: Domain creation failed (code -3).
libxl: error: libxl_utils.c:410:libxl_read_exactly: file/stream truncated reading ready message from migration receiver stream
libxl: info: libxl_exec.c:125:libxl_report_child_exitstatus: migration target process [7363] exited with error status 3
Migration failed, resuming at sender.

root@xenturio2:~# xl console testvm-2.6
PM: freeze of devices complete after 0.346 msecs
PM: late freeze of devices complete after 0.188 msecs
------------[ cut here ]------------
kernel BUG at drivers/xen/events.c:1419!
invalid opcode: 0000 [#1] SMP
last sysfs file: /sys/devices/virtual/vc/vcsa4/uevent
CPU 0
Pid: 6, comm: migration/0 Not tainted 2.6.39-xenU #5
RIP: e030:[<ffffffff812548a9>]  [<ffffffff812548a9>] xen_irq_resume+0x14f/0x3a9
RSP: e02b:ffff88001f86bcb0  EFLAGS: 00010082
RAX: ffffffffffffffef RBX: 0000000000000000 RCX: 0000000000000038
RDX: ffffffff8144f240 RSI: 00000000deadbeef RDI: 00000000deadbeef
RBP: 0000000000000000 R08: ffff88001f8bddd4 R09: ffffffff814ab170
R10: 0000000000000000 R11: ffffffff815b2020 R12: 0000000000010160
R13: 00000000000101c0 R14: 0000000000000000 R15: 0000000000000010
FS:  00007f60685e27a0(0000) GS:ffff88001feb4000(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 000000000087fa80 CR3: 000000001f981000 CR4: 0000000000042660
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process migration/0 (pid: 6, threadinfo ffff88001f86a000, task ffff88001f84a460)
Stack:
 ffffc90000001fff ffff88001f86bd14 ffff88001f86bd50 ffff88001f86bd34
 ffffffff815c48b8 0000000000000000 0000000000000002 ffff88001f8bddb0
 ffff88001f84a460 ffffffff8102edd9 0000000000000632 ffff88001f800b40
Call Trace:
 [<ffffffff8102edd9>] ? arch_gnttab_map_shared+0x55/0x5c
 [<ffffffff810d77da>] ? kfree+0x13/0xd1
 [<ffffffff81253242>] ? gnttab_map+0x108/0x116
 [<ffffffff81090001>] ? cpu_stopper_thread+0x169/0x16e
 [<ffffffff81255d57>] ? xen_suspend+0x72/0x8a
 [<ffffffff81090079>] ? stop_machine_cpu_stop+0x73/0xa9
 [<ffffffff81090006>] ? cpu_stopper_thread+0x16e/0x16e
 [<ffffffff8108ff7b>] ? cpu_stopper_thread+0xe3/0x16e
 [<ffffffff810629cc>] ? try_to_wake_up+0x22b/0x23d
 [<ffffffff8102e5fd>] ? xen_force_evtchn_callback+0x9/0xa
 [<ffffffff81036851>] ? sched_clock+0x5/0x8
 [<ffffffff8102e5fd>] ? xen_force_evtchn_callback+0x9/0xa
 [<ffffffff8102ebf2>] ? check_events+0x12/0x20
 [<ffffffff81036851>] ? sched_clock+0x5/0x8
 [<ffffffff8108fe98>] ? ikconfig_read_current+0x20/0x20
 [<ffffffff8107c3af>] ? kthread+0x7a/0x82
 [<ffffffff81349ea4>] ? kernel_thread_helper+0x4/0x10
 [<ffffffff813492b3>] ? int_ret_from_sys_call+0x7/0x1b
 [<ffffffff813489e1>] ? retint_restore_args+0x5/0x6
 [<ffffffff81349ea0>] ? gs_change+0x13/0x13
Code: 48 8b 74 24 10 b9 06 00 00 00 f3 a5 48 8d bc 24 80 00 00 00 e8 69 c9 da ff 48 8b 7c 24 10 48 8b 74 24 18 b1 06 f3 a5 85 c0 74 04 <0f> 0b eb fe 8b 84 24 a8 00 00 00 44 89 fe 0f b7 d0 89 df 89 44
RIP  [<ffffffff812548a9>] xen_irq_resume+0x14f/0x3a9
 RSP <ffff88001f86bcb0>
---[ end trace f0e0bb0a35aaaeb4 ]---
------------[ cut here ]------------
WARNING: at kernel/time/timekeeping.c:245 ktime_get+0x24/0xb9()
Pid: 0, comm: swapper Tainted: G      D     2.6.39-xenU #5
Call Trace:
 [<ffffffff81066a1c>] ? warn_slowpath_common+0x73/0x87
 [<ffffffff81082f50>] ? ktime_get+0x24/0xb9
 [<ffffffff81087e6c>] ? tick_nohz_stop_sched_tick+0x66/0x346
 [<ffffffff81030e12>] ? cpu_idle+0x2f/0x94
 [<ffffffff814c7db0>] ? start_kernel+0x431/0x43c
 [<ffffffff814caaf8>] ? xen_start_kernel+0x59a/0x5a0
---[ end trace f0e0bb0a35aaaeb5 ]---