[  372.182709] reboot: Power down
(XEN) Preparing system for ACPI S5 state.
(XEN) Disabling non-boot CPUs ...
(XEN) cpufreq: del CPU1 (1,ffaaab,1,2)
(XEN) dbs: stop CPU1 (1,1)
(XEN) dbs: stopped CPU1 (2,65535)
(XEN) dbs: check CPU13
(XEN) dbs: check CPU12
(XEN) dbs: check CPU14
(XEN) dbs: check CPU15
(XEN) dbs: check CPU6
(XEN) dbs: check CPU11
(XEN) dbs: check CPU9
(XEN) dbs: check CPU10
(XEN) dbs: check CPU8
(XEN) dbs: check CPU7
(XEN) dbs: check CPU3
(XEN) dbs: check CPU2
(XEN) dbs: check CPU4
(XEN) dbs: check CPU5
(XEN) dbs: check CPU23
(XEN) dbs: check CPU21
(XEN) dbs: check CPU22
(XEN) dbs: check CPU16
(XEN) dbs: check CPU20
(XEN) dbs: check CPU17
(XEN) dbs: check CPU19
(XEN) dbs: check CPU18
(XEN) cpufreq: del CPU2 (1,4,1,4)
(XEN) dbs: stop CPU2 (2,1)
(XEN) dbs: stopped CPU2 (2,65535)
(XEN) dbs: check CPU12
(XEN) dbs: check CPU12
(XEN) dbs: check CPU12
(XEN) dbs: check CPU12
(XEN) dbs: check CPU0
(XEN) dbs: check CPU12
(XEN) dbs: check CPU13
(XEN) dbs: check CPU4
(XEN) dbs: check CPU5
(XEN) dbs: check CPU3
(XEN) dbs: check CPU15
(XEN) dbs: check CPU14
(XEN) dbs: check CPU6
(XEN) dbs: check CPU7
(XEN) dbs: check CPU10
(XEN) dbs: check CPU16
(XEN) dbs: check CPU17
(XEN) dbs: check CPU11
(XEN) dbs: check CPU19
(XEN) dbs: check CPU9
(XEN) dbs: check CPU8
(XEN) dbs: check CPU18
(XEN) dbs: check CPU22
(XEN) dbs: check CPU21
(XEN) dbs: check CPU23
(XEN) dbs: check CPU20
(XEN) cpufreq: del CPU3 (1,ffaaa9,1,8)
(XEN) dbs: stop CPU3 (3,1)
(XEN) dbs: stopped CPU3 (2,65535)
(XEN) Broke affinity for irq 137
(XEN) cpufreq: del CPU4 (1,10,1,10)
(XEN) dbs: stop CPU4 (4,1)
(XEN) dbs: stopped CPU4 (2,65535)
(XEN) Broke affinity for irq 138
(XEN) dbs: check CPU12
(XEN) dbs: check CPU7
(XEN) dbs: check CPU8
(XEN) dbs: check CPU9
(XEN) dbs: check CPU10
(XEN) dbs: check CPU12
(XEN) dbs: check CPU12
(XEN) dbs: check CPU12
(XEN) dbs: check CPU0
(XEN) dbs: check CPU12
(XEN) dbs: check CPU13
(XEN) dbs: check CPU5
(XEN) dbs: check CPU7
(XEN) dbs: check CPU6
(XEN) dbs: check CPU8
(XEN) dbs: check CPU9
(XEN) dbs: check CPU15
(XEN) dbs: check CPU14
(XEN) dbs: check CPU11
(XEN) dbs: check CPU10
(XEN) dbs: check CPU17
(XEN) dbs: check CPU16
(XEN) dbs: check CPU19
(XEN) dbs: check CPU18
(XEN) dbs: check CPU20
(XEN) dbs: check CPU21
(XEN) dbs: check CPU22
(XEN) dbs: check CPU23
(XEN) cpufreq: del CPU5 (1,ffaaa1,1,20)
(XEN) dbs: stop CPU5 (5,1)
(XEN) dbs: stopped CPU5 (2,65535)
(XEN) Broke affinity for irq 84
(XEN) cpufreq: del CPU6 (1,40,1,40)
(XEN) dbs: stop CPU6 (6,1)
(XEN) dbs: stopped CPU6 (2,65535)
(XEN) cpufreq: del CPU7 (1,ffaa81,1,80)
(XEN) dbs: stop CPU7 (7,1)
(XEN) dbs: stopped CPU7 (2,65535)
(XEN) Broke affinity for irq 83
(XEN) cpufreq: del CPU8 (1,100,1,100)
(XEN) dbs: stop CPU8 (8,1)
(XEN) dbs: stopped CPU8 (2,65535)
(XEN) dbs: check CPU18
(XEN) dbs: check CPU19
(XEN) dbs: check CPU12
(XEN) dbs: check CPU13
(XEN) dbs: check CPU16
(XEN) dbs: check CPU23
(XEN) dbs: check CPU22
(XEN) dbs: check CPU17
(XEN) dbs: check CPU15
(XEN) dbs: check CPU21
(XEN) dbs: check CPU14
(XEN) dbs: check CPU20
(XEN) dbs: check CPU10
(XEN) dbs: check CPU11
(XEN) dbs: check CPU9
(XEN) cpufreq: del CPU9 (1,ffaa01,1,200)
(XEN) dbs: stop CPU9 (9,1)
(XEN) dbs: stopped CPU9 (2,65535)
(XEN) cpufreq: del CPU10 (1,400,1,400)
(XEN) dbs: stop CPU10 (10,1)
(XEN) dbs: stopped CPU10 (2,65535)
(XEN) cpufreq: del CPU11 (1,ffa801,1,800)
(XEN) dbs: stop CPU11 (11,1)
(XEN) dbs: stopped CPU11 (2,65535)
(XEN) cpufreq: del CPU12 (1,1000,1,1000)
(XEN) dbs: stop CPU12 (12,1)
(XEN) dbs: stopped CPU12 (2,65535)
(XEN) dbs: check CPU13
(XEN) dbs: check CPU13
(XEN) dbs: check CPU13
(XEN) dbs: check CPU13
(XEN) dbs: check CPU13
(XEN) dbs: check CPU0
(XEN) dbs: check CPU14
(XEN) dbs: check CPU15
(XEN) dbs: check CPU17
(XEN) dbs: check CPU16
(XEN) dbs: check CPU19
(XEN) dbs: check CPU18
(XEN) dbs: check CPU20
(XEN) dbs: check CPU21
(XEN) dbs: check CPU22
(XEN) dbs: check CPU23
(XEN) cpufreq: del CPU13 (1,ffa001,1,2000)
(XEN) dbs: stop CPU13 (13,1)
(XEN) dbs: stopped CPU13 (2,65535)
(XEN) dbs: check CPU14
(XEN) dbs: check CPU14
(XEN) dbs: check CPU14
(XEN) dbs: check CPU14
(XEN) dbs: check CPU14
(XEN) dbs: check CPU0
(XEN) dbs: check CPU15
(XEN) dbs: check CPU16
(XEN) dbs: check CPU17
(XEN) dbs: check CPU19
(XEN) dbs: check CPU18
(XEN) dbs: check CPU21
(XEN) dbs: check CPU20
(XEN) dbs: check CPU22
(XEN) dbs: check CPU23
(XEN) cpufreq: del CPU14 (1,4000,1,4000)
(XEN) dbs: stop CPU14 (14,1)
(XEN) dbs: stopped CPU14 (2,65535)
(XEN) dbs: check CPU15
(XEN) dbs: check CPU15
(XEN) dbs: check CPU15
(XEN) dbs: check CPU17
(XEN) dbs: check CPU0
(XEN) dbs: check CPU16
(XEN) dbs: check CPU18
(XEN) dbs: check CPU19
(XEN) dbs: check CPU21
(XEN) dbs: check CPU20
(XEN) dbs: check CPU22
(XEN) dbs: check CPU23
(XEN) cpufreq: del CPU15 (1,ff8001,1,8000)
(XEN) dbs: stop CPU15 (15,1)
(XEN) dbs: stopped CPU15 (2,65535)
(XEN) dbs: check CPU18
(XEN) dbs: check CPU19
(XEN) dbs: check CPU16
(XEN) dbs: check CPU17
(XEN) dbs: check CPU23
(XEN) dbs: check CPU22
(XEN) dbs: check CPU21
(XEN) dbs: check CPU20
(XEN) cpufreq: del CPU16 (1,ff0001,1,10000)
(XEN) dbs: stop CPU16 (16,1)
(XEN) dbs: stopped CPU16 (2,65535)
(XEN) cpufreq: del CPU17 (1,fe0001,1,20000)
(XEN) dbs: stop CPU17 (17,1)
(XEN) dbs: stopped CPU17 (2,65535)
(XEN) cpufreq: del CPU18 (1,fc0001,1,40000)
(XEN) dbs: stop CPU18 (18,1)
(XEN) dbs: stopped CPU18 (2,65535)
(XEN) dbs: check CPU0
(XEN) dbs: check CPU22
(XEN) dbs: check CPU23
(XEN) dbs: check CPU19
(XEN) dbs: check CPU20
(XEN) dbs: check CPU21
(XEN) cpufreq: del CPU19 (1,f80001,1,80000)
(XEN) dbs: stop CPU19 (19,1)
(XEN) dbs: stopped CPU19 (2,65535)
(XEN) dbs: check CPU22
(XEN) dbs: check CPU20
(XEN) dbs: check CPU0
(XEN) dbs: check CPU20
(XEN) dbs: check CPU21
(XEN) dbs: check CPU22
(XEN) dbs: check CPU23
(XEN) cpufreq: del CPU20 (1,f00001,1,100000)
(XEN) dbs: stop CPU20 (20,1)
(XEN) dbs: stopped CPU20 (2,65535)
(XEN) ----[ Xen-4.10.0-vgpu  x86_64  debug=n   Not tainted ]----
(XEN) CPU:    20
(XEN) RIP:    e008:[<ffff82d08026afc0>] __find_next_bit+0x10/0x80
(XEN) RFLAGS: 0000000000010202   CONTEXT: hypervisor
(XEN) rax: 0000000000000000   rbx: ffff830879dba400   rcx: 0000000000000015
(XEN) rdx: 0000000000000015   rsi: 0000000000000018   rdi: 0000000000000000
(XEN) rbp: 0000000004dc2a26   rsp: ffff83104eaf7dd8   r8:  0000000000000018
(XEN) r9:  0000000000040000   r10: 0000000000000400   r11: ffff82d08035a500
(XEN) r12: ffff830879bb5f90   r13: 0000000000000000   r14: ffff82d0805614e0
(XEN) r15: 0000000000000014   cr0: 000000008005003b   cr4: 00000000001526e0
(XEN) cr3: 000000007dc2f000   cr2: 0000000000000000
(XEN) fsb: 0000000000000000   gsb: 0000000000000000   gss: 0000000000000000
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: 0000   cs: e008
(XEN) Xen code around <ffff82d08026afc0> (__find_next_bit+0x10/0x80):
(XEN)  e1 3f 48 8d 3c c7 74 25 <4c> 8b 0f 41 b8 40 00 00 00 41 29 c8 49 d3 e9 49
(XEN) Xen stack trace from rsp=ffff83104eaf7dd8:
(XEN)    ffff82d0802532e0 0000000000000014 0000000000000018 ffff82d080577380
(XEN)    00200f0879dbe938 000000589270a637 0000000000000004 ffff830879dbec00
(XEN)    ffff82d08054ac80 000000589270a637 0000000000000014 0000000000000014
(XEN)    ffff82d0802c7d6e ffff82d080431720 000000588d94da66 ffff830879dbecb8
(XEN)    0000002000000008 0000200600001d71 0000000000000000 0000000000000000
(XEN)    ffff82d08023c31d 0000000000000014 ffffffffffffffff ffff82d08054ac80
(XEN)    ffff82d08054b680 ffff82d0805771f0 0000000000000014 0000000000000014
(XEN)    ffff82d0805614e0 ffff82d080420e80 ffff82d08026fbb6 0000000000000000
(XEN)    ffff83104eaf7fff ffff83007d9f4000 ffff83007d9f4000 ffff83007d9f4000
(XEN)    ffff830879dba180 ffff830879dba188 000000588c79cd3f ffff82d0805614e0
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000014 ffff83007d9f4000 00000037f9843080
(XEN)    00000000001526e0
(XEN) Xen call trace:
(XEN)    [<ffff82d08026afc0>] __find_next_bit+0x10/0x80
(XEN)    [<ffff82d0802532e0>] cpufreq_ondemand.c#do_dbs_timer+0x190/0x250
(XEN)    [<ffff82d0802c7d6e>] mwait-idle.c#mwait_idle+0x23e/0x340
(XEN)    [<ffff82d08023c31d>] tasklet.c#tasklet_softirq_action+0x3d/0x70
(XEN)    [<ffff82d08026fbb6>] domain.c#idle_loop+0x86/0xc0
(XEN) 
(XEN) Pagetable walk from 0000000000000000:
(XEN)  L4[0x000] = 000000087ffeb063 ffffffffffffffff
(XEN)  L3[0x000] = 000000087ffea063 ffffffffffffffff
(XEN)  L2[0x000] = 000000087ffe9063 ffffffffffffffff
(XEN)  L1[0x000] = 0000000000000000 ffffffffffffffff
(XEN) 
(XEN) ****************************************
(XEN) Panic on CPU 20:
(XEN) FATAL PAGE FAULT
(XEN) [error_code=0000]
(XEN) Faulting linear address: 0000000000000000
(XEN) ****************************************
(XEN) 
(XEN) Reboot in five seconds...
(XEN) Resetting with ACPI MEMORY or I/O RESET_REG.
