DomU подымает только одно ядро vCPU после апгрейда с Xeon E5 2670v1 на Xeon E5 2697v2

Aug 29 21:25:10 router-HVM-domU kernel: [    0.241923] smpboot: CPU0: Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz (family: 0x6, model: 0x2d, stepping: 0x7)
Aug 29 21:25:10 router-HVM-domU kernel: [    0.241965] cpu 0 spinlock event irq 52
Aug 29 21:25:10 router-HVM-domU kernel: [    0.242254] RCU Tasks: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1.
Aug 29 21:25:10 router-HVM-domU kernel: [    0.242289] RCU Tasks Rude: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1.
Aug 29 21:25:10 router-HVM-domU kernel: [    0.242313] RCU Tasks Trace: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1.
Aug 29 21:25:10 router-HVM-domU kernel: [    0.242338] Performance Events: unsupported p6 CPU model 45 no PMU driver, software events only.
Aug 29 21:25:10 router-HVM-domU kernel: [    0.242356] signal: max sigframe size: 1776
Aug 29 21:25:10 router-HVM-domU kernel: [    0.242412] rcu: Hierarchical SRCU implementation.
Aug 29 21:25:10 router-HVM-domU kernel: [    0.242414] rcu:     Max phase no-delay instances is 400.
Aug 29 21:25:10 router-HVM-domU kernel: [    0.242420] NMI watchdog: Perf NMI watchdog permanently disabled
Aug 29 21:25:10 router-HVM-domU kernel: [    0.242477] smp: Bringing up secondary CPUs ...
Aug 29 21:25:10 router-HVM-domU kernel: [    0.242674] installing Xen timer for CPU 1
Aug 29 21:25:10 router-HVM-domU kernel: [    0.242738] smpboot: x86: Booting SMP configuration:
Aug 29 21:25:10 router-HVM-domU kernel: [    0.242740] .... node  #0, CPUs:      #1
Aug 29 21:25:10 router-HVM-domU kernel: [    0.243266] installing Xen timer for CPU 2
Aug 29 21:25:10 router-HVM-domU kernel: [    0.243326]  #2
Aug 29 21:25:10 router-HVM-domU kernel: [    0.243608] installing Xen timer for CPU 3
Aug 29 21:25:10 router-HVM-domU kernel: [    0.243673]  #3
Aug 29 21:25:10 router-HVM-domU kernel: [    0.244581] cpu 1 spinlock event irq 65
Aug 29 21:25:10 router-HVM-domU kernel: [    0.245548] cpu 2 spinlock event irq 66
Aug 29 21:25:10 router-HVM-domU kernel: [    0.246545] cpu 3 spinlock event irq 67
Aug 29 21:25:10 router-HVM-domU kernel: [    0.246562] smp: Brought up 1 node, 4 CPUs

Aug 29 19:32:09 router-HVM-domU kernel: [    0.209720] smpboot: CPU0: Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz (family: 0x6, model: 0x3e, stepping: 0x4)
Aug 29 19:32:09 router-HVM-domU kernel: [    0.209765] cpu 0 spinlock event irq 52
Aug 29 19:32:09 router-HVM-domU kernel: [    0.210003] RCU Tasks: Setting shift to 4 and lim to 1 rcu_task_cb_adjust=1.
Aug 29 19:32:09 router-HVM-domU kernel: [    0.210031] RCU Tasks Rude: Setting shift to 4 and lim to 1 rcu_task_cb_adjust=1.
Aug 29 19:32:09 router-HVM-domU kernel: [    0.210053] RCU Tasks Trace: Setting shift to 4 and lim to 1 rcu_task_cb_adjust=1.
Aug 29 19:32:09 router-HVM-domU kernel: [    0.210074] Performance Events: unsupported p6 CPU model 62 no PMU driver, software events only.
Aug 29 19:32:09 router-HVM-domU kernel: [    0.210095] signal: max sigframe size: 1776
Aug 29 19:32:09 router-HVM-domU kernel: [    0.210147] rcu: Hierarchical SRCU implementation.
Aug 29 19:32:09 router-HVM-domU kernel: [    0.210150] rcu:     Max phase no-delay instances is 400.
Aug 29 19:32:09 router-HVM-domU kernel: [    0.210431] NMI watchdog: Perf NMI watchdog permanently disabled
Aug 29 19:32:09 router-HVM-domU kernel: [    0.210483] smp: Bringing up secondary CPUs ...
Aug 29 19:32:09 router-HVM-domU kernel: [    0.210632] installing Xen timer for CPU 1
Aug 29 19:32:09 router-HVM-domU kernel: [    0.210689] smpboot: x86: Booting SMP configuration:
Aug 29 19:32:09 router-HVM-domU kernel: [    0.210690] .... node  #0, CPUs:        #1
Aug 29 19:32:09 router-HVM-domU kernel: [    0.211135] installing Xen timer for CPU 2
Aug 29 19:32:09 router-HVM-domU kernel: [    0.211202]   #2
Aug 29 19:32:09 router-HVM-domU kernel: [    0.211481] installing Xen timer for CPU 3
Aug 29 19:32:09 router-HVM-domU kernel: [    0.211545]   #3
Aug 29 19:32:09 router-HVM-domU kernel: [    0.211797] installing Xen timer for CPU 4
Aug 29 19:32:09 router-HVM-domU kernel: [    0.211852]   #4
Aug 29 19:32:09 router-HVM-domU kernel: [    0.212115] installing Xen timer for CPU 5
Aug 29 19:32:09 router-HVM-domU kernel: [    0.212177]   #5
Aug 29 19:32:09 router-HVM-domU kernel: [   10.212442] CPU1 failed to report alive state
Aug 29 19:32:09 router-HVM-domU kernel: [   20.213452] CPU2 failed to report alive state
Aug 29 19:32:09 router-HVM-domU kernel: [   30.214459] CPU3 failed to report alive state
Aug 29 19:32:09 router-HVM-domU kernel: [   40.215449] CPU4 failed to report alive state
Aug 29 19:32:09 router-HVM-domU kernel: [   50.216459] CPU5 failed to report alive state
Aug 29 19:32:09 router-HVM-domU kernel: [   50.217025] smp: Brought up 1 node, 1 CPU