Hello Oleksandr,

Please find the attached log file.

Could please provide some pointers on how test DomU display.

On Tue, Dec 18, 2018 at 12:06 PM Oleksandr Andrushchenko <andr2...@gmail.com>
wrote:
Hello, Vikram!
>   * We are using 64 bit arm platform.
>   * Linux 4.20 Kernel in DomU with PV DRM front-end drivers.
>
>> Do you have [1] enabled in your DomD kernel?
     Earlier this configuration was not enabled. Enabled it now.

>
>   * Xen-4.12 unstable version.
>
>> We never tested PV DRM with 4.12 so far, did you try with 4.10 for
example?
     Xen-4.8 is working on our platform. Xen-4.9 to Xen-4.11 version fails
while initializing CPU on our platform. Recently
     we received patch from Julien for Xen-4.12 unstable version, which has
fix. Tried to apply patch on Xen-4.10 stable facing build issue.

      This is where we are at the moment and have all PV drivers running
smoothly

>   * Able to build displ_be application and also its dependencies.
>
> Added below configuration in Domain-U config file.*|
> |*
> *|vdispl = [
'backend=Domain-0,be-alloc=0,connectors=HDMI-A-1:1920x1080']|*
>
>> Do you really have DomD as your configuration says?
     Sorry it not DomD it is Domain-0.

>> Not Dom0 running the backend?
     Domain-0 is running in Dom0 and debian is running as DomU.

> Before launching the DomU ran the displ_be application in the
> background.
>  $ displ_be -m DRM -v *:Debug &
Please add display back-end logs

>
> Started Domain-U.
> $ xl create -c debian.cfg
>
>> Could you please build the PV DRM driver as module,
>> Built as module.

then run the following commands:

echo 0xff > /sys/module/drm/parameters/debug
echo 8 > /proc/sys/kernel/printk

>> and get back with DRM logs in DomU?
Please find the attached log file
-- 
Thanks & Regards
Vikram KS

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===================================================================================================================================
$ displ_be -m DRM -v *:Debug &
  
  19.12.18 05:13:11.447 | Main | INF - backend version:  v0.2.1-5-g7fc0-dirty
  19.12.18 05:13:11.454 | Main | INF - libxenbe version: v0.2.1-2-g6769-dirty
  19.12.18 05:13:11.461 | Drm  | DBG - Create Drm card: /dev/dri/card0, FD: 3
  19.12.18 05:13:11.476 | Drm  | DBG - Connector id: 30, name: HDMI-A-1, connected: 1
  19.12.18 05:13:11.485 | XenStore | DBG - Create xen store
  19.12.18 05:13:11.490 | XenStore | DBG - Read string domid : 0
  19.12.18 05:13:11.496 | XenStore | DBG - Read int domid : 0
  19.12.18 05:13:11.501 | DisplBackend | DBG - Create backend, device: vdispl, dom Id: 0
  19.12.18 05:13:11.509 | Drm          | DBG - Start
  19.12.18 05:13:11.514 | XenStore     | DBG - Start
  19.12.18 05:13:11.518 | XenStore     | DBG - Set watch: /local/domain/0/backend/vdispl
  19.12.18 05:13:11.527 | XenStore     | DBG - Watch triggered: /local/domain/0/backend/vdispl
===================================================================================================================================
$ create_domu_debian
DomU boot logs:
root@hikey960:~# create_domu_debian 
Parsing config from /debian/debian.cfg
19.12.18 05:21:42.465 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl
19.12.18 05:21:42.474 | XenStore        | DBG - Set watch: /local/domain/0/backend/vdispl/2
19.12.18 05:21:42.483 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl
19.12.18 05:21:42.492 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl
19.12.18 05:21:42.501 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl
19.12.18 05:21:42.510 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl
19.12.18 05:21:42.519 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl
19.12.18 05:21:42.528 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl
19.12.18 05:21:42.536 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl/2
19.12.18 05:21:42.546 | DisplBackend    | DBG - New frontend found, domid: 2, devid: 0
19.12.18 05:21:42.554 | XenStore        | DBG - Create xen store
19.12.18 05:21:42.559 | DisplFrontend   | DBG - Dom(2/0) Create frontend handler
19.12.18 05:21:42.567 | XenStore        | DBG - Read string /local/domain/0/backend/vdispl/2/0/frontend : /local/domain/2/device/vdispl/0
19.12.18 05:21:42.579 | DisplFrontend   | DBG - Frontend path: /local/domain/2/device/vdispl/0
19.12.18 05:21:42.587 | DisplFrontend   | DBG - Backend path:  /local/domain/0/backend/vdispl/2/0
19.12.18 05:21:42.596 | XenStore        | DBG - Read string /local/domain/0/backend/vdispl/2/0/state : 1
19.12.18 05:21:42.605 | XenStore        | DBG - Read int /local/domain/0/backend/vdispl/2/0/state : 1
19.12.18 05:21:42.614 | DisplFrontend   | INF - Close
19.12.18 05:21:42.619 | DisplFrontend   | INF - Dom(2/0) Set backend state to: [Closing]
19.12.18 05:21:42.627 | XenStore        | DBG - Write int /local/domain/0/backend/vdispl/2/0/state : 5
19.12.18 05:21:42.636 | XenStore        | DBG - Write string /local/domain/0/backend/vdispl/2/0/state : 5
19.12.18 05:21:42.646 | DisplFrontend   | INF - Dom(2/0) Set backend state to: [Closed]
19.12.18 05:21:42.654 | XenStore        | DBG - Write int /local/domain/0/backend/vdispl/2/0/state : 6
19.12.18 05:21:42.663 | XenStore        | DBG - Write string /local/domain/0/backend/vdispl/2/0/state : 6
19.12.18 05:21:42.672 | DisplFrontend   | INF - Dom(2/0) Set backend state to: [Initializing]
19.12.18 05:21:42.681 | XenStore        | DBG - Write int /local/domain/0/backend/vdispl/2/0/state : 1
19.12.18 05:21:42.690 | XenStore        | DBG - Write string /local/domain/0/backend/vdispl/2/0/state : 1
19.12.18 05:21:42.699 | XenStore        | DBG - Set watch: /local/domain/0/backend/vdispl/2/0
19.12.18 05:21:42.708 | XenStore        | DBG - Set watch: /local/domain/2/device/vdispl/0/state
19.12.18 05:21:42.716 | XenStore        | DBG - Set watch: /local/domain/0/backend/vdispl/2/0/state
19.12.18 05:21:42.725 | XenStore        | DBG - Start
19.12.18 05:21:42.730 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl
19.12.18 05:21:42.730 | XenStore        | DBG - Watch triggered: /local/domain/2/device/vdispl/0/state
19.12.18 05:21:42.739 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl/2
19.12.18 05:21:42.748 | XenStore        | DBG - Read string /local/domain/2/device/vdispl/0/state : 1
19.12.18 05:21:42.757 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl
19.12.18 05:21:42.765 | XenStore        | DBG - Read int /local/domain/2/device/vdispl/0/state : 1
19.12.18 05:21:42.774 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl/2
19.12.18 05:21:42.783 | DisplFrontend   | INF - Dom(2/0) Frontend state changed to: [Initializing]
19.12.18 05:21:42.792 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl
19.12.18 05:21:42.800 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl/2/0/state
19.12.18 05:21:42.809 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl/2
19.12.18 05:21:42.818 | XenStore        | DBG - Read string /local/domain/0/backend/vdispl/2/0/state : 1
19.12.18 05:21:42.827 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl/2/0
19.12.18 05:21:42.836 | XenStore        | DBG - Read int /local/domain/0/backend/vdispl/2/0/state : 1
19.12.18 05:21:42.845 | DisplBackend    | DBG - Frontend path changed: /local/domain/0/backend/vdispl/2/0
19.12.18 05:21:42.854 | DisplFrontend   | INF - Dom(2/0) Backend state changed to: [Initializing]
19.12.18 05:21:42.872 | DisplFrontend   | INF - Dom(2/0) Set backend state to: [InitWait]
19.12.18 05:21:42.880 | XenStore        | DBG - Write int /local/domain/0/backend/vdispl/2/0/state : 2
19.12.18 05:21:42.889 | XenStore        | DBG - Write string /local/domain/0/backend/vdispl/2/0/state : 2
19.12.18 05:21:42.899 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl
19.12.18 05:21:42.899 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl/2/0/state
19.12.18 05:21:42.907 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl/2
19.12.18 05:21:42.917 | XenStore        | DBG - Read string /local/domain/0/backend/vdispl/2/0/state : 2
(XEN) d2v0: vGICD: unhandled word write 0xffffffff to ICACTIVER0
19.12.18 05:21:42.926 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl/2/0
19.12.18 05:21:42.934 | XenStore        | DBG - Read int /local/domain/0/backend/vdispl/2/0/state : 2
[    0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034]
[    0.000000] Linux version 4.20.0-rc6-00025-gf5d5827 (vikram.k@CPU-248U) (gcc version 7.3.1 20180425 [linaro-7.3-2018.05 revision d29120a424ecfbc167ef90065c0eeb7f91977701] (Linaro GCC 7.3-2018.05)) #6 S8
[    0.000000] Machine model: XENVM-4.12
[    0.000000] Xen 4.12 support found
[    0.000000] efi: Getting EFI parameters from FDT:
[    0.000000] efi: UEFI not found.
[    0.000000] cma: Res19.12.18 05:21:42.949 | DisplBackend    | DBG - Frontend path changed: /local/domain/0/backend/vdispl/2/0
erved 32 MiB at 0x000000005e000000
[    0.000000] NUMA: No NUMA configuration found
[    0.000000] NUMA: Faking a node at [mem 0x0000000040000000-0x000000005fffffff]
[    0.000000] NUMA: NODE_DATA [mem 0x5dfee840-0x5dfeffff]
[    0.000000] Zone range(XEN) d2v1: vGICD: unhandled word write 0xffffffff to ICACTIVER0
s:
[    0.000000]   DMA32    [mem 0x0000000040000000-0x000000005fffffff]
[    0.000000]   Normal   empty
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000040000000-0x000000005fffffff]
[    0.000000] Initmem setup node 0 [mem 0x0000000040000000-0x000000005fffffff]
[    0.000000] psci: probing for c(XEN) d2v2: vGICD: unhandled word write 0xffffffff to ICACTIVER0
onduit method from DT.
[    0.000000] psci: PSCIv1.1 detected in firmware.
[    0.000000] psci: Using standard PSCI v0.2 function IDs
[    0.000000] psci: Trusted OS migration not required
[    0.000000] psci: SMC Calling Convention v1.1
[    0.000000] random: get_random_bytes called from start_kernel+0xa8/0x418 with crng_init=0
[    0.000000] percpu: Embedded 23 pages/cpu @(XEN) d2v3: vGICD: unhandled word write 0xffffffff to ICACTIVER0
(____ptrval____) s56024 r8192 d29992 u94208
[    0.000000] Detected VIPT I-cache on CPU0
[    0.000000] CPU features: enabling workaround for ARM erratum 845719
[    0.000000] Speculative Store Bypass Disable mitigation not required
[    0.000000] CPU features: detected: Kernel page table isolation (KPTI)
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 129(XEN) d2v4: vGICD: unhandled word write 0xffffffff to ICACTIVER0
024
[    0.000000] Policy zone: DMA32
[    0.000000] Kernel command line: earlyprintk=xenboot console=hvc0 root=/dev/xvda rootfstype=ext4 rw video=HDMI-A-1:1280x720@60
[    0.000000] Memory: 454564K/524288K available (11196K kernel code, 1418K rwdata, 5264K rodata, 1344K init, 380K bss, 36956K reserved, 32768K cma-reserved)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObject(XEN) d2v5: vGICD: unhandled word write 0xffffffff to ICACTIVER0
s=0, CPUs=8, Nodes=1
[    0.000000] rcu: Preemptible hierarchical RCU implementation.
[    0.000000] rcu:     RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8.
[    0.000000]  Tasks RCU enabled.
[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8
[    0.000000] NR_IRQ(XEN) d2v6: vGICD: unhandled word write 0xffffffff to ICACTIVER0
S: 64, nr_irqs: 64, preallocated irqs: 0
[    0.000000] arch_timer: cp15 timer(s) running at 1.92MHz (virt).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x1c570327e, max_idle_ns: 1763180809505 ns
[    0.000003] sched_clock: 56 bits at 1920kHz, resolution 520ns, wraps every 4398046510977ns
[    0.000126] Console: colour dummy device 80x25
[(XEN) d2v7: vGICD: unhandled word write 0xffffffff to ICACTIVER0
    0.008115] printk: console [hvc0] enabled
[    0.008214] Calibrating delay loop (skipped), value calculated using timer frequency.. 3.84 BogoMIPS (lpj=7680)
[    0.008240] pid_max: default: 32768 minimum: 301
[    0.008303] LSM: Security Framework initializing
[    0.008463] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
[    0.008539] Inode-cache hash table(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
 entries: 32768 (order: 6, 262144 bytes)
[    0.008570] Mount-cache hash table entries: 1024 (order: 1, 8192 bytes)
[    0.00(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df69050 flags=0x1 par=0x809
85(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
88] [    4.647941] [drm] Registering XEN PV vdispl
[    4.649725] vdispl vdispl-0: DMA mask not set
[    4.654796] [drm] Connector device/vdispl/0/0: resolution 1280x720
[    4.658398] [drm] Have 1 connector(s)
[    5.105813] [drm] Creating Xen PV DRM Display Unit
[    5.107190] [drm] Initialized xendrm-du 1.0.0 20180221 for vdispl-0 on minor 0
[    5.107222] [drm] Initialized xendrm-du 1.0.0 20180221 on minor 0
[   64.088619] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.Mountpoint-cache hash table entries: 1024 (order: 1, 8192 bytes)
[    0.032110] ASID allocator initialised with 32768 entr(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df8005f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df69050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df80050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df8005f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df8005f flags=0x1 par=0x809
ies
[    0.032414] xen:grant_table: Grant tables using version 1 layout
[    0.032446] Grant table initialized
[    0.032490(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df80050 flags=0x1 par=0x809
] (XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df8005f flags=0x1 par=0x809
xen:events: Using FIFO-based ABI
[    0.032542] Xen: initializing cpu0
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df8005f flags=0x1 par=0x809

[    0.048399] EFI services will not be available.
[    0.056168] smp: Bringing up secondary CPUs ...
[    0.088386] Detecte(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df80050 flags=0x1 par=0x809
d (XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df8005f flags=0x1 par=0x809
VIPT I-cache on CPU1
[    0.099108] Xen: initializing cpu1
[    0.099133] CPU1: Booted secondary processor 0x0000000001 [0x41(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df8005f flags=0x1 par=0x809
0fd034]
[    0.128456] Detected VIPT I-cache on CPU2
[    0.138813] Xen: initializing cpu2
[    0.138833] CPU2: Booted secon(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df80050 flags=0x1 par=0x809
da(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df8005f flags=0x1 par=0x809
ry processor 0x0000000002 [0x410fd034]
[    0.168553] CPU features: enabling workaround for ARM erratum 858921
[    0.168567](XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
 Detected VIPT I-cache on CPU3
[    0.168577] CPU features: SANITY CHECK: Unexpected variation in SYS_ID_AA64MMFR0_EL1. Boot C(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
PU(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
: 0x00000000001122, CPU3: 0x00000000101122
[    0.168584] CPU features: Unsupported CPU feature variation detected.
[    0.17(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
8275] arch_timer: Enabling local workaround for ARM erratum 858921
[    0.178292] arch_timer: CPU3: Trapping CNTVCT access
[ (XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
  (XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
 0.178296] Xen: initializing cpu3
[    0.178318] CPU3: Booted secondary processor 0x0000000003 [0x410fd091]
[    0.208647] De(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
tected VIPT I-cache on CPU4
[    0.208653] CPU features: SANITY CHECK: Unexpected variation in SYS_ID_AA64MMFR0_EL1. Boot CPU:(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
 0(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
x00000000001122, CPU4: 0x00000000101122
[    0.217797] arch_timer: Enabling local workaround for ARM erratum 858921
[    0.21(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
7807] arch_timer: CPU4: Trapping CNTVCT access
[    0.217809] Xen: initializing cpu4
[    0.217826] CPU4: Booted secondary pr(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
oc(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
essor 0x0000000004 [0x410fd091]
[    0.248757] Detected VIPT I-cache on CPU5
[    0.248761] CPU features: SANITY CHECK: Unexp(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
ected variation in SYS_ID_AA64MMFR0_EL1. Boot CPU: 0x00000000001122, CPU5: 0x00000000101122
[    0.257075] arch_timer: Enablin(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
g (XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
local workaround for ARM erratum 858921
[    0.257084] arch_timer: CPU5: Trapping CNTVCT access
[    0.257087] Xen: initializ(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
ing cpu5
[    0.257104] CPU5: Booted secondary processor 0x0000000005 [0x410fd091]
[    0.288855] Detected VIPT I-cache on CP(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
U6(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809

[    0.296716] Xen: initializing cpu6
[    0.296733] CPU6: Booted secondary processor 0x0000000006 [0x410fd034]
[    0.3289(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
89] Detected VIPT I-cache on CPU7
[    0.336083] Xen: initializing cpu7
[    0.336099] CPU7: Booted secondary processor 0x000(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
00(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
00007 [0x410fd034]
[    0.336175] smp: Brought up 1 node, 8 CPUs
[    0.336471] SMP: Total of 8 processors activated.
[    0(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
.336483] CPU features: detected: 32-bit EL0 Support
[    0.336495] CPU features: detected: CRC32 instructions
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
[    1.138670] CPU: All CPU(s) started at EL1
[    1.141292] alternatives: patching kernel code
[    1.144379] devtmpfs: initialized
[    1.147992] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[    1.148143] futex hash table entries: 2048 (order: 5, 131072 bytes)
[    1.150438] pinctrl core: initialized pinctrl subsystem
[    1.152663] DMI not present or invalid.
[    1.153566] NET: Registered protocol family 16
[    1.159485] audit: initializing netlink subsys (disabled)
[    1.159771] audit: type=2000 audit(0.376:1): state=initialized audit_enabled=0 res=1
[    1.172445] vdso: 2 pages (1 code @ (____ptrval____), 1 data @ (____ptrval____))
[    1.172489] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers.
[    1.174333] DMA: preallocated 256 KiB pool for atomic allocations
[    1.177460] Serial: AMBA PL011 UART driver
[    1.189825] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[    1.190389] cryptd: max_cpu_qlen set to 1000
[    1.191295] ACPI: Interpreter disabled.
[    1.191556] xen:balloon: Initialising balloon driver
[    1.197855] vgaarb: loaded
[    1.198107] SCSI subsystem initialized
[    1.198723] usbcore: registered new interface driver usbfs
[    1.198797] usbcore: registered new interface driver hub
[    1.198964] usbcore: registered new device driver usb
[    1.199474] pps_core: LinuxPPS API ver. 1 registered
[    1.199502] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giome...@linux.it>
[    1.199560] PTP clock support registered
[    1.199725] EDAC MC: Ver: 3.0.0
[    1.200695] Advanced Linux Sound Architecture Driver Initialized.
[    1.206161] clocksource: Switched to clocksource arch_sys_counter
[    1.206379] VFS: Disk quotas dquot_6.6.0
[    1.206433] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[    1.206575] pnp: PnP ACPI: disabled
[    1.216270] NET: Registered protocol family 2
[    1.216685] tcp_listen_portaddr_hash hash table entries: 256 (order: 0, 4096 bytes)
[    1.216809] TCP established hash table entries: 4096 (order: 3, 32768 bytes)
(XEN) grant_table.c:1747:d2v1 Expanding d2 grant table from 1 to 2 frames
[    1.216873] TCP bind hash table entries: 4096 (order: 4, 65536 bytes)
[    1.216942] TCP: Hash tables configured (establish(XEN) grant_table.c:1747:d2v1 Expanding d2 grant table from 2 to 3 frames
ed(XEN) grant_table.c:1747:d2v1 Expanding d2 grant table from 3 to 4 frames
 4096 bind 4096)
[    1.217040] UDP hash table entries: 256 (order: 1, 8192 bytes)
[    1.217083] UDP-Lite hash table entries(XEN) grant_table.c:1747:d2v1 Expanding d2 grant table from 4 to 5 frames
: 256 (order: 1, 8192 bytes)
[    1.217212] NET: Registered protocol family 1
[    1.217676] RPC: Registered named UNIX socke(XEN) grant_table.c:1747:d2v1 Expanding d2 grant table from 5 to 6 frames
t (XEN) grant_table.c:1747:d2v1 Expanding d2 grant table from 6 to 7 frames
transport module.
[    1.217703] RPC: Registered udp transport module.
[    1.217724] RPC: Registered tcp transport module.
(XEN) grant_table.c:1747:d2v1 Expanding d2 grant table from 7 to 8 frames
[    1.217745] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    1.218634] kvm [1]: HYP mode not available
[    (XEN) grant_table.c:1747:d2v1 Expanding d2 grant table from 8 to 9 frames
1.236681] Initialise system trusted keyrings
[    1.236940] workingset: timestamp_bits=44 max_order=17 bucket_order=0
[    1.244195] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    1.245021] NFS: Registering the id_resolver key type
[    1.245065] Key type id_resolver registered
[    1.245084] Key type id_legacy registered
[    1.245115] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    1.245396] 9p: Installing v9fs 9p2000 file system support
[    1.268042] Key type asymmetric registered
[    1.268065] Asymmetric key parser 'x509' registered
[    1.268129] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245)
[    1.268161] io scheduler noop registered
[    1.268179] io scheduler deadline registered
[    1.268293] io scheduler cfq registered (default)
[    1.268317] io scheduler mq-deadline registered
[    1.268339] io scheduler kyber registered
[    1.273653] EINJ: ACPI disabled.
[    1.276564] xen:xen_evtchn: Event-channel device installed
[    1.282665] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    1.340546] SuperH (H)SCI(F) driver initialized
[    1.340760] msm_serial: driver initialized
[    1.341363] cacheinfo: Unable to detect cache hierarchy for CPU 0
[    1.346983] loop: module loaded
[    1.350435] libphy: Fixed MDIO Bus: probed
[    1.350964] tun: Universal TUN/TAP device driver, 1.6
[    1.351460] thunder_xcv, ver 1.0
[    1.351507] thunder_bgx, ver 1.0
[    1.351548] nicpf, ver 1.0
[    1.351755] hclge is initializing
[    1.351773] hns3: Hisilicon Ethernet Network Driver for Hip08 Family - version
[    1.351792] hns3: Copyright (c) 2017 Huaw[  563.003091] xei Corporation.
[    1.351839] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[    1.351856] e1000e: Copyright(c) 1999 - en-blkback: back20end/vbd/2/51712:15 Intel Corporation.
[    1.351904] igb: Intel(R) Gigabit Ethernet Network Driver - version 5.4.0-k
[    1.351922] igb: Copy using 4 queues,right (c) 2007-2014 Intel Corporation.
-abi) persistentgbvf: Intel(R) Gigabit Virtual Function Network Driver - version 2.4.0- protocol 1 (armk
[    1.351985] igbvf: Copyright (c) 2009 - 2012 Intel Corporation.
[    1.352157] sky2: driver version 1.30
[    1.352482] x grants
en_netfront: Initialising Xen virtual ethernet driver
[    1.361764] VFIO - User Level meta-driver version: 0.3
[    [    4.647941] [drm] Registering XEN PV vdispl
[    4.649725] vdispl vdispl-0: DMA mask not set
[    4.654796] [drm] Connector device/vdispl/0/0: resolution 1280x720
[    4.658398] [drm] Have 1 connector(s)
[    5.105813] [drm] Creating Xen PV DRM Display Unit
[    5.107190] [drm] Initialized xendrm-du 1.0.0 20180221 for vdispl-0 on minor 0
[    5.107222] [drm] Initialized xendrm-du 1.0.0 20180221 on minor 0
[   64.088619] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.1.362634] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    1.362655] ehci-pci: EHCI PCI platform driver
[    1.362695] ehci-platform: EHCI generic platform driver
[    1.362750] ehci-orion: EHCI orion driver
[    1.362798] ehci-exynos: EHCI EXYNOS driver
[    1.362841] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    1.362873] ohci-pci: OHCI PCI platform driver
[    1.362921] ohci-platform: OHCI generic platform driver
[    1.362980] ohci-exynos: OHCI EXYNOS driver
[    1.363198] usbcore: registered new interface driver usb-storage
[    1.364583] i2c /dev entries driver
[    1.366407] sdhci: Secure Digital Host Controller Interface driver
[    1.366428] sdhci: Copyright(c) Pierre Ossman
[    1.366628] Synopsys Designware Multimedia Card Interface Driver
[    1.366981] sdhci-pltfm: SDHCI platform and OF driver helper
[    1.379271] ledtrig-cpu: registered to indicate activity on CPUs
[    1.380151] usbcore: registered new interface driver usbhid
[    1.380168] usbhid: USB HID core driver
[    1.480884] NET: Registered protocol family 17
[    1.481053] 9pnet: Installing 9P2000 support
[    1.481123] Key type dns_resolver registered
[    1.484458] random: fast init done
[    1.492580] registered taskstats version 1
[    1.492594] Loading compiled-in X.509 certificates
[    1.833464] blkfront: xvda: flush diskcache: enabled; persistent grants: enabled; indirect descriptors: enabled;
[  563.241177] vif vif-2-0 vif2.0: Guest Rx ready
[  563.245583] IPv6: ADDRCONF(NETDEV_CHANGE): vif2.0: link becomes ready
[  563.252173] xenbr0: port 2(vif2.0) entered blocking state
[  563.257525] xenbr0: port 2(vif2.0) entered forwarding state
[    1.905965] xenbus_probe_frontend: Device with no driver: device/vdispl/0
[    1.906328] hctosys: unable to open rtc device (rtc0)
[    1.906414] ALSA device list:
[    1.906428]   No soundcards found.
[    1.937545] EXT4-fs (xvda): recovery complete
[    1.942614] EXT4-fs (xvda): mounted filesystem with ordered data mode. Opts: (null)
[    1.942672] VFS: Mounted root (ext4 filesystem) on device 202:0.
[    1.945144] devtmpfs: mounted
[    1.945673] Freeing unused kernel memory: 1344K
[    1.953986] Run /sbin/init as init process
[    2.173131] NET: Registered protocol family 10
[    2.174472] Segment Routing with IPv6
[    2.199204] random: systemd: uninitialized urandom read (16 bytes read)
[    2.201133] random: systemd: uninitialized urandom read (16 bytes read)
[    2.202879] systemd[1]: systemd 232 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +(XEN) p2m.c:1456: d2v4: gv9
BL(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df97050 flags=0x1 par=0x809
KID +ELFUTILS +KMOD +IDN)
[    2.203090] systemd[1]: Detected virtualization xen.
[    2.203135] systemd[1]: Detected archite(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
cture arm64.

Welcome to Debian GNU/Linux 9 (stretch)!
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v7: gvirt_to_maddr failed va=0xffff80001dfdc05f flags=0x1 par=0x809
[    2.211197] random: systemd: uninitialized urandom read (16 bytes read)
[    2.423648] systemd[1]: Listening on udev Control Socket.
[  OK  ] Listening on udev Control Socket.
[    2.424777] systemd[1]: Created slice System Slice.
[  OK  ] Created slice System Slice.
[    2.425122] systemd[1]: Listening on udev Kernel Socket.
[  OK  ] Listening on udev Kernel Socket.
[    2.425714] systemd[1]: Created slice system-serial\x2dgetty.slice.
[  OK  ] Created slice system-serial\x2dgetty.slice.
[    2.425999] systemd[1]: Reached target Remote File Systems.
[  OK  ] Reached target(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
 R(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df97050 flags=0x1 par=0x809
emote File Systems.
[    2.426306] systemd[1]: Listening on Syslog Socket.
[  OK  ] Listening on Syslog Socket.
 (XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
        Mounting POSIX Message Queue File System...
[  OK  ] Reached target Swap.
         Mounting Huge Pages Fil(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
e (XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df97050 flags=0x1 par=0x809
System...
[  OK  ] Started Forward Password Requests to Wall Directory Watch.
[  OK  ] Created slice User and Session Slice.
[  OK  ] Reached target Slices.
[  OK  ] List(XEN) p2m.c:1456: d2v5: gvirt_to_maddr failed va=0xffff80001dfae050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
ening on Journal Audit Socket.
[  OK  ] Listening on Journal Socket.
         Starting Remount Root and Kernel Fil(XEN) p2m.c:1456: d2v5: gvirt_to_maddr failed va=0xffff80001dfae05f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df97050 flags=0x1 par=0x809
e (XEN) p2m.c:1456: d2v5: gvirt_to_maddr failed va=0xffff80001dfae05f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
Systems...
[  OK  ] Listening on /dev/initctl Compatibility Named Pipe.
[  OK  ] Listening on Journal S(XEN) p2m.c:1456: d2v5: gvirt_to_maddr failed va=0xffff80001dfae050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
ocket (/dev/log).
         Starting Journal Service...
         Mounting Debug File System...
[  OK  ] Started Di(XEN) p2m.c:1456: d2v5: gvirt_to_maddr failed va=0xffff80001dfae05f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df97050 flags=0x1 par=0x809
sp(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
atch Password Requests to Console Directory Watch.
[  OK  ] Reached target Encrypted Volumes.
[  OK  ] Reached target Paths.
         Starting Load Kernel Modules...
         Starting Create list of required st…ce nodes for the current kernel...
[  OK  ] Created slice system-getty.slice.
[  OK  ] Mounted POSIX Message Queue File (XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
System.
[  OK  ] Mounted Huge Pages File System.
[  OK  ] Mounted Debug File System.
[  OK  XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df69050 flags=0x1 par=0x809
m](XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
 Started Remount Root and Kernel File Systems.
[  OK  ] Started Create list of required sta…vice nodes for the cu(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
rrent kernel.
         Starting Create Static Device Nodes in /dev...
         Starting udev Coldplug all Devices...
       (XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df69050 flags=0x1 par=0x809
  (XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
Starting Load/Save Random Seed...
[  OK  ] Started Load Kernel Modules.
         Starting Apply Kernel Variables..(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
.
         Mounting Configuration File System...
[  OK  ] Mounted Configuration File System.
[  OK  ] (XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df69050 flags=0x1 par=0x809
St(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
arted Apply Kernel Variables.
[  OK  ] Started Create Static Device Nodes in /dev.
[  OK  ] Reached tar(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
get Local File Systems (Pre).
[  OK  ] Reached target Local File Systems.
         Starting ebtables ruleset manag(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df69050 flags=0x1 par=0x809
em(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
ent...
         Starting udev Kernel Device Manager...
[  OK  ] Started Load/Save Random Seed.
[  OK  (XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
] Started Journal Service.
         Starting Flush Journal to Persistent Storage...
[  OK  ] Started udev Kernel D(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df69050 flags=0x1 par=0x809
ev(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
ice Manager.
[  OK  ] Started ebtables ruleset management.
[  OK  ] Reached target Network (Pre).
    (XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
     Starting Raise network interfaces...
[    2.755988] systemd-journald[1523]: Received request to flush runtime journal fro(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df69050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v7: gvirt_to_maddr failed va=0xffff80001dfdc05f flags=0x1 par=0x809
m (XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v7: gvirt_to_maddr failed va=0xffff80001dfdc050 flags=0x1 par=0x809
PID 1
[  OK  ] Started Flush Journal to Persistent Storage.
         Starting Create Volatile Files and Directorie(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v7: gvirt_to_maddr failed va=0xffff80001dfdc05f flags=0x1 par=0x809
s...
[  OK  ] Started udev Coldplug all Devices.
(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df69050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v7: gvirt_to_maddr failed va=0xffff80001dfdc05f flags=0x1 par=0x809
[  OK  ] Started Create Volatile Files and Directories.
         Starting Network Time Synchronization...
        (XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v7: gvirt_to_maddr failed va=0xffff80001dfdc050 flags=0x1 par=0x809
 Starting Update UTMP about System Boot/Shutdown...
(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v7: gvirt_to_maddr failed va=0xffff80001dfdc05f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df69050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
[  OK  ] Started Update UTMP about System Boot/Shutdown.
[  OK  ] Started Network Time Synchronization.
(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
[  OK  ] Reached target System Initialization.
[  OK  ] Listening on D-Bus System Message Bus Socket.
[  OK  ] Reached target Sockets.
[  OK  EN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df80050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df69050 flags=0x1 par=0x809
[0m] Reached target Basic System.
[  OK  ] Started Regular background program processing daemon.
         Starting(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df8005f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
 L(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df8005f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
SB: Start/stop xenstored and xenconsoled...
[  OK  ] Started D-Bus System Message Bus.
(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df80050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df69050 flags=0x1 par=0x809
         Starting LSB: Start/stop xen-watchdog...
         Starting Login Service...
         Starting System Logging Service(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df8005f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
...
[  OK  ] Started Daily Cleanup of Temporary Directories.
         Starting Network Manager...
[  OK  ] Reached target Timers.
[  OK  ] Started LSB: Start/stop xenstored and xenconsoled.
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
[  566.024614] sp : ffffff80097b[    4.647941] [drm] Registering XEN PV vdispl
bd50
[    4.649725] vdispl vdispl-0: DMA mask not set
[  566.039980] x[    4.654796] [drm] Connector device/vdispl/0/0: resolution 1280x720
29: ffffff80097b[    4.658398] [drm] Have 1 connector(s)
bd50 x28: 000000(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
0000000000 
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df97050 flags=0x1 par=0x809
[  566.067432] x(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
27: 000000000000(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
0000 x26: ffffff19.12.18 05:21:47.644 | XenStore        | DBG - Watch triggered: /local/domain/2/device/vdispl/0/state
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df97050 flags=0x1 par=0x809
8009090770 
19.12.18 05:21:47.659 | XenStore        | DBG - Read string /local/domain/2/device/vdispl/0/state : 3
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
[  566.112752] x19.12.18 05:21:47.676 | XenStore        | DBG - Read int /local/domain/2/device/vdispl/0/state : 3
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
25: ffffff80080f19.12.18 05:21:47.694 | DisplFrontend   | INF - Dom(2/0) Frontend state changed to: [Initialized]
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df97050 flags=0x1 par=0x809
0050 x24: 00000019.12.18 05:21:47.712 | DisplFrontend   | DBG - On frontend bind : 2
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
0000000000 
19.12.18 05:21:47.727 | DisplFrontend   | DBG - Found connector: 0
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
[  566.181206] x19.12.18 05:21:47.742 | XenStore        | DBG - Read string /local/domain/2/device/vdispl/0/0/evt-event-channel : 24
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df97050 flags=0x1 par=0x809
23: 00000000000019.12.18 05:21:47.761 | XenStore        | DBG - Read int /local/domain/2/device/vdispl/0/0/evt-event-channel : 24
(XEN) p2m.c:1456: d2v4: gvirt_to_maddr failed va=0xffff80001df9705f flags=0x1 par=0x809
0004 x22: ffffff19.12.18 05:21:47.780 | XenStore        | DBG - Read string /local/domain/2/device/vdispl/0/0/evt-ring-ref : 453
c01852de80 
19.12.18 05:21:47.799 | XenStore        | DBG - Read int /local/domain/2/device/vdispl/0/0/evt-ring-ref : 453
[  566.245721] x19.12.18 05:21:47.810 | XenEvtchn       | DBG - Create event channel, dom: 2, remote port: 24, local port: 27
21: ffffffc0185219.12.18 05:21:47.821 | XenGnttabBuffer | DBG - Create grant table buffer, dom: 2, count: 1, ref: 453
8410 x20: 00000019.12.18 05:21:47.831 | RingBuffer      | DBG - Create ring buffer, port: 24, ref: 453
000001fffc 
19.12.18 05:21:47.841 | ConEventRing    | DBG - Create event ring buffer, index: 0
[  566.286938] x19.12.18 05:21:47.849 | DisplFrontend   | INF - Dom(2/0) Add ring buffer, ref: 453, port: 24
19: ffffffc0185219.12.18 05:21:47.858 | XenEvtchn       | DBG - Start event channel, port: 27
8800 x18: 00000019.12.18 05:21:47.867 | XenEvtchn       | DBG - Event received, port: 27
0000000000 
19.12.18 05:21:47.868 | XenStore        | DBG - Read string /local/domain/2/device/vdispl/0/0/req-event-channel : 23
[  566.320983] x19.12.18 05:21:47.886 | XenStore        | DBG - Read int /local/domain/2/device/vdispl/0/0/req-event-channel : 23
17: 00000000000019.12.18 05:21:47.897 | XenStore        | DBG - Read string /local/domain/2/device/vdispl/0/0/req-ring-ref : 452
0001 x16: 00000019.12.18 05:21:47.908 | XenStore        | DBG - Read int /local/domain/2/device/vdispl/0/0/req-ring-ref : 452
0000000001 
19.12.18 05:21:47.920 | XenStore        | DBG - Read string /local/domain/2/device/vdispl/0/0/unique-id : HDMI-A-1
[  566.366059] x15: 00000000000019.12.18 05:21:47.932 | Connector       | DBG - Create, name: HDMI-A-1, id: 30, connected: 1
000b x14: 00000119.12.18 05:21:47.942 | XenEvtchn       | DBG - Create event channel, dom: 2, remote port: 23, local port: 28
183002f250 
19.12.18 05:21:47.953 | XenGnttabBuffer | DBG - Create grant table buffer, dom: 2, count: 1, ref: 452
[  566.399265] x19.12.18 05:21:47.963 | RingBuffer      | DBG - Create ring buffer, port: 23, ref: 452
13: 00000104f25019.12.18 05:21:47.972 | CommandHandler  | DBG - Create command handler, connector name: HDMI-A-1
0002 x12: f2500019.12.18 05:21:47.982 | ConCtrlRing     | DBG - Create ctrl ring buffer
000202f250 
19.12.18 05:21:47.989 | DisplFrontend   | INF - Dom(2/0) Add ring buffer, ref: 452, port: 23
[  566.436033] x19.12.18 05:21:47.999 | XenEvtchn       | DBG - Start event channel, port: 28
11: 00000101f25019.12.18 05:21:48.007 | XenEvtchn       | DBG - Event received, port: 28
001a x10: 00000019.12.18 05:21:48.007 | DisplFrontend   | INF - Dom(2/0) Set backend state to: [Connected]
0000000a80 
19.12.18 05:21:48.025 | XenStore        | DBG - Write int /local/domain/0/backend/vdispl/2/0/state : 4
[  566.470825] x19.12.18 05:21:48.035 | XenStore        | DBG - Write string /local/domain/0/backend/vdispl/2/0/state : 4
9 : ffffff80097b19.12.18 05:21:48.046 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl
b970 x8 : ffffff19.12.18 05:21:48.046 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl/2/0/state
c01a0b3b60 
[    5.105813] [drm] Creating Xen PV DRM Display Unit
[    5.107190] [drm] Initialized xendrm-du 1.0.0 20180221 for vdispl-0 o[  566.512236] xn minor 0
[    5.107222] [drm] Initialized xendrm-du 1.0.0 20180221 on minor 0
7 : 0000008495ea19.12.18 05:21:48.055 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl/2
21a3 x6 : 000000[  OK  ] Started Network Manager.
0000000000 
19.12.18 05:21:48.066 | XenStore        | DBG - Read string /local/domain/0/backend/vdispl/2/0/state : 4
[  566.548532] x19.12.18 05:21:48.097 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vdispl/2/0
5 : ffffff80097b19.12.18 05:21:48.112 | XenStore        | DBG - Read int /local/domain/0/backend/vdispl/2/0/state : 4
bcb8 x4 : 000000         Starting Network Manager Script Dispatcher Service...
0000000000 
19.12.18 05:21:48.122 | DisplBackend    | DBG - Frontend path changed: /local/domain/0/backend/vdispl/2/0
[  566.586446] x[  OK  ] Started Network Manager Script Dispatcher Service.
3 : ffffff800933(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df8005f flags=0x1 par=0x809
19.12.18 05:21:48.133 | XenStore        | DBG - Watch triggered: /local/domain/2/device/vdispl/0/state
a000 x2 : 000000(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df80050 flags=0x1 par=0x809
19.12.18 05:21:48.177 | XenStore        | DBG - Read string /local/domain/2/device/vdispl/0/state : 4
0000000000 
(XEN) p2m.c:1456: d2v3: gvirt_to_maddr failed va=0xffff80001df8005f flags=0x1 par=0x809
19.12.18 05:21:48.194 | XenStore        | DBG - Read int /local/domain/2/device/vdispl/0/state : 4
[  567.370276] ieee80211 phy0: Hardware restart was requested
[  567.505737] mmc_host mmc1: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
[  567.549575] mmc_host mmc1: Bus speed (slot 0) = 25000000Hz (slot req 25000000Hz, actual 25000000HZ div = 0)
[  567.962060] wlcore: PHY firmware version: Rev 8.2.0.0.242
[  568.125480] wlcore: firmware booted (Rev 8.9.0.0.79)
[*     ] A start job is running for Raise network interfaces (1min 1s / 5min)[   64.088619] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilt.
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df52050 flags=0x1 par=0x809
(XEN) p2m.c:1456: d2v1: gvirt_to_maddr failed va=0xffff80001df5205f flags=0x1 par=0x809
[    **] A start job is running for Raise network interfaces (1min 46s / 5min)[  670.305352] wlcore: down
[  670.326323] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[  OK  ] Started Raise network interfaces.
[  OK  ] Reached target Network.
         Starting OpenBSD Secure Shell server...
         Starting Permit User Sessions...
[  OK  ] Started Permit User Sessions.
[  OK  ] Started Serial Getty on hvc0.
         Starting Liight Display Manager...
(XEN) p2m.c:1456: d2v2: gvirt_to_maddr failed va=0xffff80001df6905f flags=0x1 par=0x809
[  OK  ] Started Getty on tty1.
[  OK  ] Reached target Login Prompts.
[  OK  ] Started OpenBSD Secure Shell server.
[  OK  ] Reached target Multi-User System.
[  OK  ] Started Light Display Manager.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
===================================================================================================================================
DomU dmesg
root# dmesg 
      [    4.647941] [drm] Registering XEN PV vdispl
[    4.649725] vdispl vdispl-0: DMA mask not set
[    4.654796] [drm] Connector device/vdispl/0/0: resolution 1280x720
[    4.658398] [drm] Have 1 connector(s)
[    5.105813] [drm] Creating Xen PV DRM Display Unit
[    5.107190] [drm] Initialized xendrm-du 1.0.0 20180221 for vdispl-0 on minor 0
[    5.107222] [drm] Initialized xendrm-du 1.0.0 20180221 on minor 0
[   64.088619] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
Debian GNU/Linux 9 hikey960 hvc0
===================================================================================================================================
root:~# xenstore-ls
tool = ""
 xenstored = ""
local = ""
 domain = ""
  0 = ""
   control = ""
    feature-poweroff = "1"
    feature-reboot = "1"
   domid = "0"
   name = "Domain-0"
   device-model = ""
    0 = ""
     backends = ""
      console = ""
      vkbd = ""
      qdisk = ""
      9pfs = ""
      qusb = ""
      vfb = ""
      qnic = ""
     state = "running"
   backend = ""
    vbd = ""
     2 = ""
      51712 = ""
       frontend = "/local/domain/2/device/vbd/51712"
       params = "/dev/loop1"
       script = "/etc/xen/scripts/block"
       frontend-id = "2"
       online = "1"
       removable = "0"
       bootable = "1"
       state = "4"
       dev = "xvda"
       type = "phy"
       mode = "w"
       device-type = "disk"
       discard-enable = "1"
       feature-max-indirect-segments = "256"
       multi-queue-max-queues = "8"
       max-ring-page-order = "4"
       physical-device = "7:1"
       physical-device-path = "/dev/loop1"
       hotplug-status = "connected"
       feature-flush-cache = "1"
       discard-granularity = "4096"
       discard-alignment = "0"
       discard-secure = "0"
       feature-discard = "1"
       feature-barrier = "1"
       feature-persistent = "1"
       sectors = "10485760"
       info = "0"
       sector-size = "512"
       physical-sector-size = "512"
    console = ""
     2 = ""
      0 = ""
       frontend = "/local/domain/2/console"
       frontend-id = "2"
       online = "1"
       state = "1"
       protocol = "vt100"
    vif = ""
     2 = ""
      0 = ""
       frontend = "/local/domain/2/device/vif/0"
       frontend-id = "2"
       online = "1"
       state = "4"
       script = "/etc/xen/scripts/vif-bridge"
       mac = "00:16:3e:64:b8:40"
       bridge = "xenbr0"
       handle = "0"
       type = "vif"
       feature-sg = "1"
       feature-gso-tcpv4 = "1"
       feature-gso-tcpv6 = "1"
       feature-ipv6-csum-offload = "1"
       feature-rx-copy = "1"
       feature-rx-flip = "0"
       feature-multicast-control = "1"
       feature-dynamic-multicast-control = "1"
       feature-split-event-channels = "1"
       multi-queue-max-queues = "8"
       feature-ctrl-ring = "1"
       hotplug-status = "connected"
    vdispl = ""
     2 = ""
      0 = ""
       frontend = "/local/domain/2/device/vdispl/0"
       frontend-id = "2"
       online = "1"
       state = "4"
  2 = ""
   vm = "/vm/fd69ca77-ac57-47a8-901a-5bca2bdd9bec"
   name = "debian"
   cpu = ""
    0 = ""
     availability = "online"
    1 = ""
     availability = "online"
    2 = ""
     availability = "online"
    3 = ""
     availability = "online"
    4 = ""
     availability = "online"
    5 = ""===================================================================================================================================
     availability = "online"
    6 = ""
     availability = "online"
    7 = ""
     availability = "online"
   memory = ""
    static-max = "524288"
    target = "524289"
    videoram = "-1"
   device = ""
    suspend = ""
     event-channel = ""
    vbd = ""
     51712 = ""
      backend = "/local/domain/0/backend/vbd/2/51712"
      backend-id = "0"
      state = "4"
      virtual-device = "51712"
      device-type = "disk"
      multi-queue-num-queues = "4"
      queue-0 = ""
       ring-ref = "8"
       event-channel = "3"
      queue-1 = ""
       ring-ref = "9"
       event-channel = "4"
      queue-2 = ""
       ring-ref = "10"
       event-channel = "5"
      queue-3 = ""
       ring-ref = "11"
       event-channel = "6"
      protocol = "arm-abi"
      feature-persistent = "1"
    vif = ""
     0 = ""
      backend = "/local/domain/0/backend/vif/2/0"
      backend-id = "0"
      state = "4"
      handle = "0"
      mac = "00:16:3e:64:b8:40"
      multi-queue-num-queues = "8"
      queue-0 = ""
       tx-ring-ref = "4352"
       rx-ring-ref = "4353"
       event-channel-tx = "7"
       event-channel-rx = "8"
      queue-1 = ""
       tx-ring-ref = "4354"
       rx-ring-ref = "4355"
       event-channel-tx = "9"
       event-channel-rx = "10"
      queue-2 = ""
       tx-ring-ref = "4356"
       rx-ring-ref = "4357"
       event-channel-tx = "11"
       event-channel-rx = "12"
      queue-3 = ""
       tx-ring-ref = "4358"
       rx-ring-ref = "4359"
       event-channel-tx = "13"
       event-channel-rx = "14"
      queue-4 = ""
       tx-ring-ref = "4360"
       rx-ring-ref = "4361"
       event-channel-tx = "15"
       event-channel-rx = "16"
      queue-5 = ""
       tx-ring-ref = "4362"
       rx-ring-ref = "4363"
       event-channel-tx = "17"
       event-channel-rx = "18"
      queue-6 = ""
       tx-ring-ref = "4364"
       rx-ring-ref = "4365"
       event-channel-tx = "19"
       event-channel-rx = "20"
      queue-7 = ""
       tx-ring-ref = "4366"
       rx-ring-ref = "4367"
       event-channel-tx = "21"
       event-channel-rx = "22"
      request-rx-copy = "1"
      feature-rx-notify = "1"
      feature-sg = "1"
      feature-gso-tcpv4 = "1"
      feature-gso-tcpv6 = "1"
      feature-ipv6-csum-offload = "1"
    vdispl = ""
     0 = ""
      backend = "/local/domain/0/backend/vdispl/2/0"
      backend-id = "0"
      state = "4"
      be-alloc = "0"
      0 = ""
       resolution = "1280x720"
       unique-id = "HDMI-A-1"
       req-ring-ref = "452"
       req-event-channel = "23"
       evt-ring-ref = "453"
       evt-event-channel = "24"
   control = ""
    shutdown = ""
    feature-poweroff = "1"
    feature-reboot = "1"
    feature-suspend = "1"
    sysrq = ""
    platform-feature-multiprocessor-suspend = "1"
    platform-feature-xs_reset_watches = "1"
   data = ""
   drivers = ""
   feature = ""
   attr = ""
   domid = "2"
   store = ""
    port = "1"
    ring-ref = "233473"
   console = ""
    backend = "/local/domain/0/backend/console/2/0"
    backend-id = "0"
    limit = "1048576"
    type = "xenconsoled"
    output = "pty"
    tty = "/dev/pts/0"
    port = "2"
    ring-ref = "233472"
vm = ""
 fd69ca77-ac57-47a8-901a-5bca2bdd9bec = ""
  name = "debian"
  uuid = "fd69ca77-ac57-47a8-901a-5bca2bdd9bec"
  start_time = "1545196901.80"
libxl = ""
 2 = ""
  device = ""
   vbd = ""
    51712 = ""
     frontend = "/local/domain/2/device/vbd/51712"
     backend = "/local/domain/0/backend/vbd/2/51712"
     params = "/dev/loop1"
     script = "/etc/xen/scripts/block"
     frontend-id = "2"
     online = "1"
     removable = "0"
     bootable = "1"
     state = "1"
     dev = "xvda"
     type = "phy"
     mode = "w"
     device-type = "disk"
     discard-enable = "1"
   console = ""
    0 = ""
     frontend = "/local/domain/2/console"
     backend = "/local/domain/0/backend/console/2/0"
     frontend-id = "2"
     online = "1"
     state = "1"
     protocol = "vt100"
   vif = ""
    0 = ""
     frontend = "/local/domain/2/device/vif/0"
     backend = "/local/domain/0/backend/vif/2/0"
     frontend-id = "2"
     online = "1"
     state = "1"
     script = "/etc/xen/scripts/vif-bridge"
     mac = "00:16:3e:64:b8:40"
     bridge = "xenbr0"
     handle = "0"
     type = "vif"
   vdispl = ""
    0 = ""
     frontend = "/local/domain/2/device/vdispl/0"
     backend = "/local/domain/0/backend/vdispl/2/0"
     frontend-id = "2"
     online = "1"
     state = "1"
  type = "pvh"
  dm-version = "qemu_xen"
===================================================================================================================================

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