Re: [Xen-devel] Bug Xen-4.4.0-RC6 with Hyper-V on Server 2012 R2.

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Sun, Mar 02, 2014 at 10:48:16PM +0100, Valentin Meriel wrote:
>    Hello,
>

Hi,
 
>    I have a probleme with Xen-4.4.0-rc6.
> 
>    I try to use Hyper-V on Xen 4.4.0, because of none sucess with KVM and
>    Qemu.
>    I want to because i want to passthrough one (or more) VGA card to Hyper-V
>    to test remoteFX (just for test if it work).
>
>    So on KVM-Qemu i can not install Hyper-V on Windows Server 2012 R2 because
>    of an allready runnig Hypervisor.
>    On Xen i have the same "error" but if i add :
>        hap = 1
>        nestedhvm = 1
>        cpuid = ['0x1:ecx=0xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx']
>    to my config file, i can install Hyper-V role, but when the VM restart it
>    does not work, the Vm stuck on the first screen with the Windows logo.
>

I think the Intel nested-virt developers recently wrote that there's a known
issue with hyper-v, and it requires a patch, that hasn't been merged to Xen yet.

You can find the patch from xen-devel archives.


-- Pasi
 
>    To make the VM start again i have to comment out cpuid =
>    ['0x1:ecx=0xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'] and after the VM can start,
>    but when i whant
>    to start the L2 VM (the Hyper-V's VM) Hyper-V cant because one of this
>    service is not started (or something like that).
> 
>    Have you an idea ? Because in the wiki it's say it's work.
> 
>    This is xl dmesg :
> 
>     Xen 4.4-rc
>    (XEN) Xen version 4.4-rc (root@) (gcc (Ubuntu/Linaro 4.8.1-10ubuntu9)
>    4.8.1) debug=n Sun Mar  2 19:43:21 CET 2014
>    (XEN) Latest ChangeSet: Mon Feb 24 12:57:53 2014 +0000 git:5be1e95
>    (XEN) Bootloader: GRUB 2.00-19ubuntu2.1
>    (XEN) Command line: placeholder
>    (XEN) Video information:
>    (XEN)  VGA is text mode 80x25, font 8x16
>    (XEN)  VBE/DDC methods: V2; EDID transfer time: 1 seconds
>    (XEN) Disc information:
>    (XEN)  Found 2 MBR signatures
>    (XEN)  Found 2 EDD information structures
>    (XEN) Xen-e820 RAM map:
>    (XEN)  0000000000000000 - 000000000009dc00 (usable)
>    (XEN)  000000000009f800 - 00000000000a0000 (reserved)
>    (XEN)  00000000000f0000 - 0000000000100000 (reserved)
>    (XEN)  0000000000100000 - 00000000dfeb0000 (usable)
>    (XEN)  00000000dfeb0000 - 00000000dfee1000 (ACPI NVS)
>    (XEN)  00000000dfee1000 - 00000000dfef0000 (ACPI data)
>    (XEN)  00000000dfef0000 - 00000000dff00000 (reserved)
>    (XEN)  00000000f4000000 - 00000000f8000000 (reserved)
>    (XEN)  00000000fec00000 - 0000000100000000 (reserved)
>    (XEN)  0000000100000000 - 0000000320000000 (usable)
>    (XEN) ACPI: RSDP 000F7660, 0014 (r0 GBT   )
>    (XEN) ACPI: RSDT DFEE1040, 0048 (r1 GBT    GBTUACPI 42302E31 GBTU
>    1010101)
>    (XEN) ACPI: FACP DFEE1100, 0074 (r1 GBT    GBTUACPI 42302E31 GBTU
>    1010101)
>    (XEN) ACPI: DSDT DFEE11C0, 4F50 (r1 GBT    GBTUACPI     1000 MSFT
>    100000C)
>    (XEN) ACPI: FACS DFEB0000, 0040
>    (XEN) ACPI: MSDM DFEE6300, 0055 (r3 GBT    GBTUACPI 42302E31 GBTU
>    1010101)
>    (XEN) ACPI: HPET DFEE63C0, 0038 (r1 GBT    GBTUACPI 42302E31 GBTU
>    98)
>    (XEN) ACPI: MCFG DFEE6440, 003C (r1 GBT    GBTUACPI 42302E31 GBTU
>    1010101)
>    (XEN) ACPI: EUDS DFEE6500, 0470 (r1 GBT                    0
>    0)
>    (XEN) ACPI: TAMG DFEE6970, 0B3A (r1 GBT    GBT   B0 5455312E BG 53450101)
>    (XEN) ACPI: APIC DFEE6180, 012C (r1 GBT    GBTUACPI 42302E31 GBTU
>    1010101)
>    (XEN) ACPI: SSDT DFEE74C0, 2FD4 (r1  INTEL PPM RCM  80000001 INTL
>    20061109)
>    (XEN) ACPI: DMAR DFEEA4C0, 00B0 (r1 IntelR AWRDACPI 322E3030 DRWA
>    2)
>    (XEN) System RAM: 12286MB (12581172kB)
>    (XEN) Domain heap initialised
>    (XEN) Processor #0 7:10 APIC version 21
>    (XEN) Processor #2 7:10 APIC version 21
>    (XEN) Processor #4 7:10 APIC version 21
>    (XEN) Processor #6 7:10 APIC version 21
>    (XEN) Processor #1 7:10 APIC version 21
>    (XEN) Processor #3 7:10 APIC version 21
>    (XEN) Processor #5 7:10 APIC version 21
>    (XEN) Processor #7 7:10 APIC version 21
>    (XEN) IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
>    (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
>    (XEN) Using scheduler: SMP Credit Scheduler (credit)
>    (XEN) Detected 2664.876 MHz processor.
>    (XEN) Initing memory sharing.
>    (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
>    (XEN) Intel VT-d iommu 1 supported page sizes: 4kB.
>    (XEN) Intel VT-d Snoop Control not enabled.
>    (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
>    (XEN) Intel VT-d Queued Invalidation enabled.
>    (XEN) Intel VT-d Interrupt Remapping enabled.
>    (XEN) Intel VT-d Shared EPT tables not enabled.
>    (XEN) [VT-D]iommu.c:2069: ioapic_to_iommu: ioapic 0 (id: 0x2) is NULL!
>    Will not try to enable Interrupt Remapping.
>    (XEN) I/O virtualisation enabled
>    (XEN)  - Dom0 mode: Relaxed
>    (XEN) Interrupt remapping disabled
>    (XEN) ENABLING IO-APIC IRQs
>    (XEN)  -> Using new ACK method
>    (XEN) Platform timer is 14.318MHz HPET
>    (XEN) Allocated console ring of 16 KiB.
>    (XEN) VMX: Supported advanced features:
>    (XEN)  - APIC MMIO access virtualisation
>    (XEN)  - APIC TPR shadow
>    (XEN)  - Extended Page Tables (EPT)
>    (XEN)  - Virtual-Processor Identifiers (VPID)
>    (XEN)  - Virtual NMI
>    (XEN)  - MSR direct-access bitmap
>    (XEN) HVM: ASIDs enabled.
>    (XEN) HVM: VMX enabled
>    (XEN) HVM: Hardware Assisted Paging (HAP) detected
>    (XEN) HVM: HAP page sizes: 4kB, 2MB
>    (XEN) Brought up 8 CPUs
>    (XEN) *** LOADING DOMAIN 0 ***
>    (XEN)  Xen  kernel: 64-bit, lsb, compat32
>    (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x23fa000
>    (XEN) PHYSICAL MEMORY ARRANGEMENT:
>    (XEN)  Dom0 alloc.:   000000030c000000->0000000310000000 (3041946 pages to
>    be allocated)
>    (XEN)  Init. ramdisk: 000000031d13c000->000000031ffff800
>    (XEN) VIRTUAL MEMORY ARRANGEMENT:
>    (XEN)  Loaded kernel: ffffffff81000000->ffffffff823fa000
>    (XEN)  Init. ramdisk: ffffffff823fa000->ffffffff852bd800
>    (XEN)  Phys-Mach map: ffffffff852be000->ffffffff86a2aaf0
>    (XEN)  Start info:    ffffffff86a2b000->ffffffff86a2b4b4
>    (XEN)  Page tables:   ffffffff86a2c000->ffffffff86a65000
>    (XEN)  Boot stack:    ffffffff86a65000->ffffffff86a66000
>    (XEN)  TOTAL:         ffffffff80000000->ffffffff86c00000
>    (XEN)  ENTRY ADDRESS: ffffffff81d341e0
>    (XEN) Dom0 has maximum 8 VCPUs
>    (XEN) Scrubbing Free RAM: .done.
>    (XEN) Initial low memory virq threshold set at 0x4000 pages.
>    (XEN) Std. Loglevel: Errors and warnings
>    (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
>    (XEN) Xen is relinquishing VGA console.
>    (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input
>    to Xen)
>    (XEN) Freed 280kB init memory.
> 
>    This is xl info :
> 
>    host                   : val-host-test
>    release                : 3.13.3-with-acs
>    version                : #1 SMP Mon Feb 17 23:02:44 CET 2014
>    machine                : x86_64
>    nr_cpus                : 8
>    max_cpu_id             : 15
>    nr_nodes               : 1
>    cores_per_socket       : 4
>    threads_per_core       : 2
>    cpu_mhz                : 2664
>    hw_caps                :
>    bfebfbff:28100800:00000000:00003b00:0098e3bd:00000000:00000001:00000000
>    virt_caps              : hvm hvm_directio
>    total_memory           : 12286
>    free_memory            : 128
>    sharing_freed_memory   : 0
>    sharing_used_memory    : 0
>    outstanding_claims     : 0
>    free_cpus              : 0
>    xen_major              : 4
>    xen_minor              : 4
>    xen_extra              : -rc
>    xen_version            : 4.4-rc
>    xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
>    hvm-3.0-x86_32p hvm-3.0-x86_64
>    xen_scheduler          : credit
>    xen_pagesize           : 4096
>    platform_params        : virt_start=0xffff800000000000
>    xen_changeset          : Mon Feb 24 12:57:53 2014 +0000 git:5be1e95
>    xen_commandline        : placeholder
>    cc_compiler            : gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
>    cc_compile_by          : root
>    cc_compile_domain      :
>    cc_compile_date        : Sun Mar  2 19:43:21 CET 2014
>    xend_config_format     : 4
> 
>    And this is my config file :
> 
>    #kernel = 'hvmloader'
>    builder = 'hvm'
>    # Memory reserved for Windows domU, in this case 4GB (adjust to your
>    needs):
>    memory = 4096
>    # Name of the domU:
>    name = 'Windows-Server-2012-R2'
>    # Most CPUs have 4 cores / 8 threads (=8 vcpus). Check your CPU and change
>    as needed!:
>    vcpus = 1
>    # Only for 32 bit guests - don't use for 64 bit:
>    #pae = 1
>    acpi = 1
>    apic = 1
>    hap = 1
>    nestedhvm = 1
>    cpuid = ['0x1:ecx=0xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx']
>    nx = 1
>    on_xend_stop = 'shutdown'
>    # Here my virtual network interfaces - see /etc/network/interfaces below:
>    vif = [ 'mac=00:16:3e:68:e1:01,bridge=br0,model=e1000' ]
>    # I assigned a static MAC address, else it will be changed each time
>    Windows
>    # boots. The address should start with 00:16:3e., the rest is up to you.
>    # Specifying the disks and Windows ISO for installation, adjust to your
>    needs:
>    disk = [
>            'file:/home/val/Windows-Server-2012-r2-test-vm-xen.img,hda,w'
>            #,'file:/home/val/Partage/Windows-server-2012-R2-RTM-64
>    bits/fr_windows_server_2012_r2_x64_dvd.iso,hdc:cdrom,r'
>    ]
>    # More disks can be added later using this same method. The path to the
>    # device or a file can be added. After the first comma is how the device
>    will
>    # appear. "hda" is the first, "hdb" the second etc. "hda" will appear as
>    IDE,
>    # sda will appear as SCSI or SATA. After the second comma "r" means read
>    # only and "w" is for write.
>    device_model_version = "qemu-xen-traditional"
>    boot = 'c'
>    # The above should be changed once Windows is installed: boot='c' to only
>    # show the Windows file system, else it may try to boot from the ISO
>    image.
>    sdl = 0
>    vnc = 1
>    vnclisten = '0.0.0.0'
>    vncpasswd = ''
>    keymap = 'fr'
>    stdvga = 0
>    # nographic=1 #!!! only uncomment this if you are using win8 or are trying
>    # to get a Nvidia card to work. In my case - Nvidia Quadro 2000 - this was
>    not
>    # needed.
>    serial = 'pty'
>    tsc_mode = "default"
>    viridian = 1
>    #soundhw = 'all'
>    # This allows sharing the USB mouse/keyboard:
>    usb = 1
>    usbdevice = 'tablet'
>    # gfx_passthru=0 is how it works for most AMD cards and my Quadro 2000
>    card.
>    # gfx_passthru=1 would pass through the graphics card as primary display
>    adapter.
>    # You can change this later for iGPUs or nVidia if needed.
>    # Try it with 0 first!
>    #gfx_passthru = 0
>    #Enter the PCI IDs you wish to passthru:
>    #pci = [ '02:00.0', '02:00.1' , '00:1a.0' ]
>    # The following lets Windows take the local time from the dom0:
>    localtime = 1
>    #To turn on pci power management globally, use (see remarks under pci=...
>    below):
>    #pci_power_mgmt = 1
> 
>    Thanks, and sorry for the my bad english, i'm french ^^.
> 
>    Valentin Meriel.

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