Re: [Xen-devel] Question about strange things in windows 7 domUs save/restore

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: Fabio Fantoni [mailto:fabio.fantoni@xxxxxxx]
> Sent: 22 October 2014 11:45
> To: win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> Cc: xen-devel; Paul Durrant; Stefano Stabellini; Anthony Perard
> Subject: Question about strange things in windows 7 domUs save/restore
> 
> Trying new windows pv drivers I found in qemu log with xen platform
> trace enabled a strange thing:
> > xen_platform_log xen platform: XENIFACE|FdoRegistryThreadHandler:
> > WriteRegistry
> > xen_platform_log xen platform:
> > XENIFACE|FdoInitialiseXSRegistryEntries: no such xenstore key
> > xen_platform_log xen platform:
> > XENIFACE|FdoInitialiseXSRegistryEntries: Failed to initialise registry
> > (c0000022)
> 
> Is there something to remove or add? (probably about xen hypervisor-only
> systems)
>

I think those warnings are harmless. The layout of xenstore is slightly 
different with a XAPI toolstack (i.e. on XenServer) than with a libxl 
toolstack. XenIface was originally designed for use with XenServer and so 
you'll see this sort of warning on upstream. Everything should still function 
though.
 
> ---
> 
> I'm also trying for a long time to solve one stringe problem of 2-3
> minutes "windows freeze" with qxl after restore and using spice.
> These memory areas that seems not restored can be the cause of this
> problem?
> > xen_ram_alloc: do not alloc 78000000 bytes of ram at 0 when runstate
> > is INMIGRATE
> > xen_ram_alloc: do not alloc 4000000 bytes of ram at 78000000 when
> > runstate is INMIGRATE
> > xen_ram_alloc: do not alloc 2000 bytes of ram at 7c000000 when
> > runstate is INMIGRATE
> > xen_ram_alloc: do not alloc 4000000 bytes of ram at 7c002000 when
> > runstate is INMIGRATE
> > xen_ram_alloc: do not alloc 10000 bytes of ram at 80002000 when
> > runstate is INMIGRATE
> > xen_ram_alloc: do not alloc 40000 bytes of ram at 80012000 when
> > runstate is INMIGRATE
> 
> If you need more informations and/or tests tell me and I'll post them.
> 

Not my area really. I suggest you ask on xen-devel/qemu-devel.

  Paul

> Thanks for any reply and sorry for my bad english.
> 
> 
> Here the full qemu log after restore:
> > less /var/log/xen/qemu-dm-W7-02.log
> > xen_ram_alloc: do not alloc 78000000 bytes of ram at 0 when runstate
> > is INMIGRATE
> > xen_ram_alloc: do not alloc 4000000 bytes of ram at 78000000 when
> > runstate is INMIGRATE
> > xen_ram_alloc: do not alloc 2000 bytes of ram at 7c000000 when
> > runstate is INMIGRATE
> > xen_ram_alloc: do not alloc 4000000 bytes of ram at 7c002000 when
> > runstate is INMIGRATE
> > xen_ram_alloc: do not alloc 10000 bytes of ram at 80002000 when
> > runstate is INMIGRATE
> > xen_ram_alloc: do not alloc 40000 bytes of ram at 80012000 when
> > runstate is INMIGRATE
> > red_dispatcher_loadvm_commands:
> > xen_platform_log xen platform: SUSPEND:
> > SCHEDOP_shutdown:SHUTDOWN_suspend <==== (00000000)
> > xen_platform_log xen platform: SHARED_INFO: MAP
> > XENMAPSPACE_shared_info @ 00000000.f8000000
> > xen_platform_log xen platform: STORE: PAGE @ 00000000.feffc000
> > xen_platform_log xen platform: GNTTAB: MAP
> XENMAPSPACE_grant_table[0]
> > @ 00000000.f8001000
> > xen_platform_log xen platform: GNTTAB: MAP
> XENMAPSPACE_grant_table[1]
> > @ 00000000.f8002000
> > xen_platform_log xen platform: XENVBD|FdoSuspendLateCallback:8.0.0.0
> > (24/9/2014)
> > xen_platform_log xen platform:
> > XENVBD|FrontendSuspendLateCallback:Target[0] : ===> from ENABLED
> > xen_platform_log xen platform: XENVBD|__FrontendSetState:Target[0] :
> > ENABLED ----> CLOSED
> > xen_platform_log xen platform: XENVBD|__FrontendSetState:Target[0] :
> > in state CONNECTED
> > xen_platform_log xen platform: XENVBD|__FrontendSetState:Target[0] :
> > in state CLOSING
> > xen_platform_log xen platform: XENVBD|__FrontendSetState:Target[0] :
> > in state CLOSED
> > xen_platform_log xen platform: XENVBD|__FrontendSetState:Target[0] :
> > CLOSED ----> ENABLED
> > xen_platform_log xen platform: XENVBD|FrontendWriteUsage:Target[0] :
> > DUMP NOT_HIBER PAGE
> > xen_platform_log xen platform: XENVBD|PdoUpdateInquiryData:Target[0]
> :
> > VDI-UUID = {00000000-0000-0000-0000-000000000000}
> > xen_ram_alloc: do not alloc 78000000 bytes of ram at 0 when runstate
> > is INMIGRATE
> > xen_ram_alloc: do not alloc 4000000 bytes of ram at 78000000 when
> > runstate is INMIGRATE
> > xen_ram_alloc: do not alloc 2000 bytes of ram at 7c000000 when
> > runstate is INMIGRATE
> > xen_ram_alloc: do not alloc 4000000 bytes of ram at 7c002000 when
> > runstate is INMIGRATE
> > xen_ram_alloc: do not alloc 10000 bytes of ram at 80002000 when
> > runstate is INMIGRATE
> > xen_ram_alloc: do not alloc 40000 bytes of ram at 80012000 when
> > runstate is INMIGRATE
> > red_dispatcher_loadvm_commands:
> > xen_platform_log xen platform: SUSPEND:
> > SCHEDOP_shutdown:SHUTDOWN_suspend <==== (00000000)
> > xen_platform_log xen platform: SHARED_INFO: MAP
> > XENMAPSPACE_shared_info @ 00000000.f8000000
> > xen_ram_alloc: do not alloc 40000 bytes of ram at 80012000 when
> > runstate is INMIGRATE
> > red_dispatcher_loadvm_commands:
> > xen_platform_log xen platform: SUSPEND:
> > SCHEDOP_shutdown:SHUTDOWN_suspend <==== (00000000)
> > xen_platform_log xen platform: SHARED_INFO: MAP
> > XENMAPSPACE_shared_info @ 00000000.f8000000
> > xen_platform_log xen platform: STORE: PAGE @ 00000000.feffc000
> > xen_platform_log xen platform: GNTTAB: MAP
> XENMAPSPACE_grant_table[0]
> > @ 00000000.f8001000
> > xen_platform_log xen platform: GNTTAB: MAP
> XENMAPSPACE_grant_table[1]
> > @ 00000000.f8002000
> > xen_platform_log xen platform: XENVBD|FdoSuspendLateCallback:8.0.0.0
> > (24/9/2014)
> > xen_platform_log xen platform:
> > XENVBD|FrontendSuspendLateCallback:Target[0] : ===> from ENABLED
> > xen_platform_log xen platform: XENVBD|__FrontendSetState:Target[0] :
> > ENABLED ----> CLOSED
> > xen_platform_log xen platform: XENVBD|__FrontendSetState:Target[0] :
> > in state CONNECTED
> > xen_platform_log xen platform: XENVBD|__FrontendSetState:Target[0] :
> > in state CLOSING
> > xen_platform_log xen platform: XENVBD|__FrontendSetState:Target[0] :
> > in state CLOSED
> > xen_platform_log xen platform: XENVBD|__FrontendSetState:Target[0] :
> > CLOSED ----> ENABLED
> > xen_platform_log xen platform: XENVBD|FrontendWriteUsage:Target[0] :
> > DUMP NOT_HIBER PAGE
> > xen_platform_log xen platform: XENVBD|PdoUpdateInquiryData:Target[0]
> :
> > VDI-UUID = {00000000-0000-0000-0000-000000000000}
> > xen_platform_log xen platform: XENVBD|FrontendPrepare:Target[0] :
> > BackendId 0 (/local/domain/0/backend/qdisk/4/768)
> > xen_platform_log xen platform: XENVBD|__FrontendSetState:Target[0] :
> > in state PREPARED
> > xen_platform_log xen platform: XENVBD|__FrontendSetState:Target[0] :
> > in state CONNECTED
> > xen_platform_log xen platform: XENVBD|__FrontendSetState:Target[0] :
> > in state ENABLED
> > xen_platform_log xen platform: XENVBD|PdoPostResume:Target[0] : 0
> > Fresh SRBs
> > xen_platform_log xen platform: XENVBD|PdoPostResume:Target[0] :
> > NOT_MISSING ((null))
> > xen_platform_log xen platform:
> > XENVBD|FrontendSuspendLateCallback:Target[0] : <=== restored
> ENABLED
> > xen_platform_log xen platform: XENIFACE|FireSuspendEvent: Ready to
> > unsuspend Event
> > xen_platform_log xen platform:
> > XENVIF|__TransmitterRingPrepareNeighbourAdvertisement:
> > fe80:0000:0000:0000:9060:135e:65b9:57ba
> > xen_platform_log xen platform: XENVIF|__TransmitterRingPrepareArp:
> > 192.168.1.25
> > xen_platform_log xen platform:
> > XENVIF|__TransmitterRingPrepareNeighbourAdvertisement:
> > fe80:0000:0000:0000:9060:135e:65b9:57ba
> > xen_platform_log xen platform: XENVIF|__TransmitterRingPrepareArp:
> > 192.168.1.25
> > xen_platform_log xen platform:
> > XENVIF|__TransmitterRingPrepareNeighbourAdvertisement:
> > fe80:0000:0000:0000:9060:135e:65b9:57ba
> > xen_platform_log xen platform: XENVIF|__TransmitterRingPrepareArp:
> > 192.168.1.25
> > xen_platform_log xen platform: SUSPEND: <====
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: Fire
> > 00000000003BDA30
> > xen_platform_log xen platform: XENNET|AdapterMediaStateChange:
> LINK:
> > UP: SPEED=1000000000 DUPLEX=FULL
> > xen_platform_log xen platform: XENIFACE|WatchCallbackThread:
> > SessionSuspendResumeUnwatch FFFFFA8003594400
> > xen_platform_log xen platform: XENIFACE|StartWatch: Start Watch
> > FFFFFA800303D730
> > xen_platform_log xen platform: XENIFACE|FdoRegistryThreadHandler:
> > WriteRegistry
> > xen_platform_log xen platform:
> > XENIFACE|FdoInitialiseXSRegistryEntries: no such xenstore key
> > xen_platform_log xen platform:
> > XENIFACE|FdoInitialiseXSRegistryEntries: Failed to initialise registry
> > (c0000022)
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: fire
> > feature shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> Check
> > if we need to shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: No
> > need to shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: fired
> > feature shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: win
> > agent going to sleep
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: win
> > agent woke up for 2
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > Suspend event
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: Set
> > time to XenTime
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > hosttimeIsUTC: Open Registry Key
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: Time
> > is now  2014.10.22 12:22:57.771
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: Set
> > time to 2014.10.22 12:26:11.700
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > WmiSessionSetEntry:MethodExec Failed
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > WmiSessionSetEntry:SessionStart Failed
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > WmiSessionSetEntry:SetVValue Failed
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > WmiSessionSetEntry:SetVPath Failed
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > Failed to advertise shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > Handled suspend event
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: win
> > agent going to sleep
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: win
> > agent woke up for 3
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: Fire
> > 00000000003BDA30
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: fire
> > feature shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> Check
> > if we need to shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: No
> > need to shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: fired
> > feature shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: win
> > agent going to sleep
> > ...skipping...
> > xen_platform_log xen platform: XENIFACE|FireSuspendEvent: Ready to
> > unsuspend Event
> > xen_platform_log xen platform:
> > XENVIF|__TransmitterRingPrepareNeighbourAdvertisement:
> > fe80:0000:0000:0000:9060:135e:65b9:57ba
> > xen_platform_log xen platform: XENVIF|__TransmitterRingPrepareArp:
> > 192.168.1.25
> > xen_platform_log xen platform:
> > XENVIF|__TransmitterRingPrepareNeighbourAdvertisement:
> > fe80:0000:0000:0000:9060:135e:65b9:57ba
> > xen_platform_log xen platform: XENVIF|__TransmitterRingPrepareArp:
> > 192.168.1.25
> > xen_platform_log xen platform:
> > XENVIF|__TransmitterRingPrepareNeighbourAdvertisement:
> > fe80:0000:0000:0000:9060:135e:65b9:57ba
> > xen_platform_log xen platform: XENVIF|__TransmitterRingPrepareArp:
> > 192.168.1.25
> > xen_platform_log xen platform: SUSPEND: <====
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: Fire
> > 00000000003BDA30
> > xen_platform_log xen platform: XENNET|AdapterMediaStateChange:
> LINK:
> > UP: SPEED=1000000000 DUPLEX=FULL
> > xen_platform_log xen platform: XENIFACE|WatchCallbackThread:
> > SessionSuspendResumeUnwatch FFFFFA8003594400
> > xen_platform_log xen platform: XENIFACE|StartWatch: Start Watch
> > FFFFFA800303D730
> > xen_platform_log xen platform: XENIFACE|FdoRegistryThreadHandler:
> > WriteRegistry
> > xen_platform_log xen platform:
> > XENIFACE|FdoInitialiseXSRegistryEntries: no such xenstore key
> > xen_platform_log xen platform:
> > XENIFACE|FdoInitialiseXSRegistryEntries: Failed to initialise registry
> > (c0000022)
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: fire
> > feature shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> Check
> > if we need to shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: No
> > need to shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: fired
> > feature shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: win
> > agent going to sleep
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: win
> > agent woke up for 2
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > Suspend event
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: Set
> > time to XenTime
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > hosttimeIsUTC: Open Registry Key
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: Time
> > is now  2014.10.22 12:22:57.771
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: Set
> > time to 2014.10.22 12:26:11.700
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > WmiSessionSetEntry:MethodExec Failed
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > WmiSessionSetEntry:SessionStart Failed
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > WmiSessionSetEntry:SetVValue Failed
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > WmiSessionSetEntry:SetVPath Failed
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > Failed to advertise shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> > Handled suspend event
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: win
> > agent going to sleep
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: win
> > agent woke up for 3
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: Fire
> > 00000000003BDA30
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: fire
> > feature shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER:
> Check
> > if we need to shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: No
> > need to shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: fired
> > feature shutdown
> > xen_platform_log xen platform: XENIFACE|SessionExecuteLog: USER: win
> > agent going to sleep
> > main_channel_link: add main channel client
> > main_channel_handle_parsed: agent start
> > main_channel_handle_parsed: net test: latency 2.620000 ms, bitrate
> > 1742978723 bps (1662.234042 Mbps)
> > inputs_connect: inputs channel client create
> > red_dispatcher_set_cursor_peer:
> 
> And xl dmesg about the domU:
> > (d3) HVM Loader
> > (d3) Detected Xen v4.5-unstable
> > (d3) Xenbus rings @0xfeffc000, event channel 1
> > (d3) System requested SeaBIOS
> > (d3) CPU speed is 2660 MHz
> > (d3) Relocating guest memory for lowmem MMIO space disabled
> > (XEN) irq.c:270: Dom3 PCI link 0 changed 0 -> 5
> > (d3) PCI-ISA link 0 routed to IRQ5
> > (XEN) irq.c:270: Dom3 PCI link 1 changed 0 -> 10
> > (d3) PCI-ISA link 1 routed to IRQ10
> > (XEN) irq.c:270: Dom3 PCI link 2 changed 0 -> 11
> > (d3) PCI-ISA link 2 routed to IRQ11
> > (XEN) irq.c:270: Dom3 PCI link 3 changed 0 -> 5
> > (d3) PCI-ISA link 3 routed to IRQ5
> > (d3) pci dev 01:3 INTA->IRQ10
> > (d3) pci dev 02:0 INTA->IRQ11
> > (d3) pci dev 03:0 INTA->IRQ5
> > (d3) pci dev 04:0 INTA->IRQ5
> > (d3) pci dev 05:0 INTA->IRQ10
> > (d3) pci dev 06:0 INTA->IRQ11
> > (d3) pci dev 1d:0 INTA->IRQ10
> > (d3) pci dev 1d:1 INTB->IRQ11
> > (d3) pci dev 1d:2 INTC->IRQ5
> > (d3) pci dev 1d:7 INTD->IRQ5
> > (d3) No RAM in high memory; setting high_mem resource base to
> 100000000
> > (d3) pci dev 05:0 bar 10 size 004000000: 0f0000000
> > (d3) pci dev 05:0 bar 14 size 004000000: 0f4000000
> > (d3) pci dev 02:0 bar 14 size 001000000: 0f8000008
> > (d3) pci dev 06:0 bar 30 size 000040000: 0f9000000
> > (d3) pci dev 05:0 bar 30 size 000010000: 0f9040000
> > (d3) pci dev 03:0 bar 10 size 000004000: 0f9050000
> > (d3) pci dev 05:0 bar 18 size 000002000: 0f9054000
> > (d3) pci dev 04:0 bar 14 size 000001000: 0f9056000
> > (d3) pci dev 1d:7 bar 10 size 000001000: 0f9057000
> > (d3) pci dev 02:0 bar 10 size 000000100: 00000c001
> > (d3) pci dev 06:0 bar 10 size 000000100: 00000c101
> > (d3) pci dev 06:0 bar 14 size 000000100: 0f9058000
> > (d3) pci dev 04:0 bar 10 size 000000020: 00000c201
> > (d3) pci dev 05:0 bar 1c size 000000020: 00000c221
> > (d3) pci dev 1d:0 bar 20 size 000000020: 00000c241
> > (d3) pci dev 1d:1 bar 20 size 000000020: 00000c261
> > (d3) pci dev 1d:2 bar 20 size 000000020: 00000c281
> > (d3) pci dev 01:1 bar 20 size 000000010: 00000c2a1
> > (d3) Multiprocessor initialisation:
> > (d3)  - CPU0 ... 36-bit phys ... fixed MTRRs ... var MTRRs [1/8] ... done.
> > (d3)  - CPU1 ... 36-bit phys ... fixed MTRRs ... var MTRRs [1/8] ... done.
> > (d3) Testing HVM environment:
> > (d3)  - REP INSB across page boundaries ... passed
> > (d3)  - GS base MSRs and SWAPGS ... passed
> > (d3) Passed 2 of 2 tests
> > (d3) Writing SMBIOS tables ...
> > (d3) Loading SeaBIOS ...
> > (d3) Creating MP tables ...
> > (d3) Loading ACPI ...
> > (d3) S3 disabled
> > (d3) S4 disabled
> > (d3) vm86 TSS at fc00a100
> > (d3) BIOS map:
> > (d3)  10000-100d3: Scratch space
> > (d3)  c0000-fffff: Main BIOS
> > (d3) E820 table:
> > (d3)  [00]: 00000000:00000000 - 00000000:000a0000: RAM
> > (d3)  HOLE: 00000000:000a0000 - 00000000:000c0000
> > (d3)  [01]: 00000000:000c0000 - 00000000:00100000: RESERVED
> > (d3)  [02]: 00000000:00100000 - 00000000:78000000: RAM
> > (d3)  HOLE: 00000000:78000000 - 00000000:fc000000
> > (d3)  [03]: 00000000:fc000000 - 00000001:00000000: RESERVED
> > (d3) Invoking SeaBIOS ...
> > (d3) SeaBIOS (version
> > debian/1.7.5-1-0-g506b58d-20140603_102943-testVS01OU)
> > (d3)
> > (d3) Found Xen hypervisor signature at 40000100
> > (d3) Running on QEMU (i440fx)
> > (d3) xen: copy e820...
> > (d3) Relocating init from 0x000df619 to 0x77fae600 (size 71995)
> > (d3) CPU Mhz=2661
> > (d3) Found 13 PCI devices (max PCI bus is 00)
> > (d3) Allocated Xen hypercall page at 77fff000
> > (d3) Detected Xen v4.5-unstable
> > (d3) xen: copy BIOS tables...
> > (d3) Copying SMBIOS entry point from 0x00010010 to 0x000f0f40
> > (d3) Copying MPTABLE from 0xfc001170/fc001180 to 0x000f0e40
> > (d3) Copying PIR from 0x00010030 to 0x000f0dc0
> > (d3) Copying ACPI RSDP from 0x000100b0 to 0x000f0d90
> > (d3) Using pmtimer, ioport 0xb008
> > (d3) Scan for VGA option rom
> > (d3) Running option rom at c000:0003
> > (XEN) stdvga.c:147:d3v0 entering stdvga and caching modes
> > (d3) pmm call arg1=0
> > (d3) Turning on vga text mode console
> > (d3) SeaBIOS (version
> > debian/1.7.5-1-0-g506b58d-20140603_102943-testVS01OU)
> > (d3) Machine UUID 9c2cc4b2-6dc6-4baf-a708-474699ff6d98
> > (d3) EHCI init on dev 00:1d.7 (regs=0xf9057020)
> > (d3) Found 0 lpt ports
> > (d3) Found 0 serial ports
> > (d3) ATA controller 1 at 1f0/3f4/0 (irq 14 dev 9)
> > (d3) ATA controller 2 at 170/374/0 (irq 15 dev 9)
> > (d3) ata0-0: QEMU HARDDISK ATA-7 Hard-Disk (50000 MiBytes)
> > (d3) Searching bootorder for: /pci@i0cf8/*@1,1/drive@0/disk@0
> > (d3) DVD/CD [ata0-1: QEMU DVD-ROM ATAPI-4 DVD/CD]
> > (d3) Searching bootorder for: /pci@i0cf8/*@1,1/drive@0/disk@1
> > (d3) UHCI init on dev 00:1d.0 (io=c240)
> > (d3) UHCI init on dev 00:1d.1 (io=c260)
> > (d3) UHCI init on dev 00:1d.2 (io=c280)
> > (d3) PS2 keyboard initialized
> > (d3) All threads complete.
> > (d3) Scan for option roms
> > (d3) Running option rom at c980:0003
> > (d3) pmm call arg1=1
> > (d3) pmm call arg1=0
> > (d3) pmm call arg1=1
> > (d3) pmm call arg1=0
> > (d3) Searching bootorder for: /pci@i0cf8/*@6
> > (d3)
> > (d3) Press F12 for boot menu.
> > (d3)
> > (d3) Searching bootorder for: HALT
> > (d3) drive 0x000f0d40: PCHS=16383/16/63 translation=lba
> > LCHS=1024/255/63 s=102400000
> > (d3)
> > (d3) Space available for UMB: ca800-ee800, f0000-f0ce0
> > (d3) Returned 258048 bytes of ZoneHigh
> > (d3) e820 map has 6 items:
> > (d3)   0: 0000000000000000 - 000000000009fc00 = 1 RAM
> > (d3)   1: 000000000009fc00 - 00000000000a0000 = 2 RESERVED
> > (d3)   2: 00000000000f0000 - 0000000000100000 = 2 RESERVED
> > (d3)   3: 0000000000100000 - 0000000077fff000 = 1 RAM
> > (d3)   4: 0000000077fff000 - 0000000078000000 = 2 RESERVED
> > (d3)   5: 00000000fc000000 - 0000000100000000 = 2 RESERVED
> > (d3) enter handle_19:
> > (d3)   NULL
> > (d3) Booting from DVD/CD...
> > (d3) Device reports MEDIUM NOT PRESENT
> > (d3) scsi_is_ready returned -1
> > (d3) Boot failed: Could not read from CDROM (code 0003)
> > (d3) enter handle_18:
> > (d3)   NULL
> > (d3) Booting from Hard Disk...
> > (d3) Booting from 0000:7c00
> > (XEN) d3: VIRIDIAN GUEST_OS_ID: vendor: 1 os: 4 major: 6 minor: 1 sp:
> > 1 build: 1db1
> > (XEN) d3: VIRIDIAN HYPERCALL: enabled: 1 pfn: 3ffff
> > (XEN) d3v0: VIRIDIAN APIC_ASSIST: enabled: 1 pfn: 3fffe
> > (XEN) d3v1: VIRIDIAN APIC_ASSIST: enabled: 1 pfn: 3fffd
> > (XEN) irq.c:270: Dom3 PCI link 0 changed 5 -> 0
> > (XEN) irq.c:270: Dom3 PCI link 1 changed 10 -> 0
> > (XEN) irq.c:270: Dom3 PCI link 2 changed 11 -> 0
> > (XEN) irq.c:270: Dom3 PCI link 3 changed 5 -> 0
> > (XEN) irq.c:380: Dom3 callback via changed to GSI 24
> > (XEN) HVM3 save: CPU
> > (XEN) HVM3 save: PIC
> > (XEN) HVM3 save: IOAPIC
> > (XEN) HVM3 save: LAPIC
> > (XEN) HVM3 save: LAPIC_REGS
> > (XEN) HVM3 save: PCI_IRQ
> > (XEN) HVM3 save: ISA_IRQ
> > (XEN) HVM3 save: PCI_LINK
> > (XEN) HVM3 save: PIT
> > (XEN) HVM3 save: RTC
> > (XEN) HVM3 save: HPET
> > (XEN) HVM3 save: PMTIMER
> > (XEN) HVM3 save: MTRR
> > (XEN) HVM3 save: VIRIDIAN_DOMAIN
> > (XEN) HVM3 save: CPU_XSAVE
> > (XEN) HVM3 save: VIRIDIAN_VCPU
> > (XEN) HVM3 save: VMCE_VCPU
> > (XEN) HVM3 save: TSC_ADJUST
> > (XEN) HVM4 restore: CPU 0
> > (XEN) HVM4 restore: CPU 1
> > (XEN) HVM4 restore: PIC 0
> > (XEN) HVM4 restore: PIC 1
> > (XEN) HVM4 restore: IOAPIC 0
> > (XEN) HVM4 restore: LAPIC 0
> > (XEN) HVM4 restore: LAPIC 1
> > (XEN) HVM4 restore: LAPIC_REGS 0
> > (XEN) HVM4 restore: LAPIC_REGS 1
> > (XEN) HVM4 restore: PCI_IRQ 0
> > (XEN) HVM4 restore: ISA_IRQ 0
> > (XEN) HVM4 restore: PCI_LINK 0
> > (XEN) HVM4 restore: PIT 0
> > (XEN) HVM4 restore: RTC 0
> > (XEN) HVM4 restore: HPET 0
> > (XEN) HVM4 restore: PMTIMER 0
> > (XEN) HVM4 restore: MTRR 0
> > (XEN) HVM4 restore: MTRR 1
> > (XEN) HVM4 restore: VIRIDIAN_DOMAIN 0
> > (XEN) HVM4 restore: VIRIDIAN_VCPU 0
> > (XEN) HVM4 restore: VIRIDIAN_VCPU 1
> > (XEN) HVM4 restore: VMCE_VCPU 0
> > (XEN) HVM4 restore: VMCE_VCPU 1
> > (XEN) HVM4 restore: TSC_ADJUST 0
> > (XEN) HVM4 restore: TSC_ADJUST 1
> > (XEN) irq.c:380: Dom4 callback via changed to GSI 24
> 


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