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[Xen-devel] Via Nano X2 Support, cont'd?



Hi!

Recently got a Via VE-900 board.   It has a via nano x2 chip on it, and 
suggests that it has Intel-compatible virtualization extensions.   Has anyone 
worked with this board yet?   I thought it would be nice to have a 
lower-powered, nearly silent Xen machine sitting on my desk.

I've got it booting into Xen 4.1.2 and running PV dom0's, but I'm not able to 
load any HVM domains.    I posted this question first on Xen-users, and I was 
asked if I was able to get KVM or VirtualBox working-- I've tried KVM and 
managed to get it booting into a Linux livecd and a Windows installer.

Here's the /proc/cpuinfo (of one of the cores):

processor       : 0
vendor_id       : CentaurHauls
cpu family      : 6
model           : 15
model name      : VIA Nano X2 L4050 @ 1.4 GHz
stepping        : 12
cpu MHz         : 1400.052
cache size      : 1024 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 1
apicid          : 0
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 10
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov 
pat clflush acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc 
rep_good nopl pni monitor vmx est tm2 ssse3 cx16 xtpr sse4_1 popcnt rng rng_en 
ace ace_en ace2 phe phe_en pmm pmm_en lahf_lm ida
bogomips        : 2801.77
clflush size    : 64
cache_alignment : 128
address sizes   : 36 bits physical, 48 bits virtual
power management:


and "xl info":

host                   : helium
release                : 3.3.6-1-ARCH
version                : #1 SMP PREEMPT Sun May 13 10:52:32 CEST 2012
machine                : x86_64
nr_cpus                : 2
nr_nodes               : 1
cores_per_socket       : 1
threads_per_core       : 1
cpu_mhz                : 1400
hw_caps                : 
bfc9fbff:20100800:00000000:00000000:008863a9:00000000:00000001:00000000
virt_caps              :
total_memory           : 7423
free_memory            : 6315
free_cpus              : 0
xen_major              : 4
xen_minor              : 1
xen_extra              : .2
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p 
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable
xen_commandline        : dom0_mem=max:1G loglvl=all guest_loglvl=all 
com1=115200,8n1 console=com1
cc_compiler            : gcc version 4.7.0 20120414 (prerelease) (GCC) 
cc_compile_by          : sam
cc_compile_domain      : localdomain
cc_compile_date        : Wed May  2 19:51:21 PDT 2012
xend_config_format     : 4



and Xen's dmesg:

 __  __            _  _    _   ____  
 \ \/ /___ _ __   | || |  / | |___ \ 
  \  // _ \ '_ \  | || |_ | |   __) |
  /  \  __/ | | | |__   _|| |_ / __/ 
 /_/\_\___|_| |_|    |_|(_)_(_)_____|
                                     
(XEN) Xen version 4.1.2 (sam@localdomain) (gcc version 4.7.0 20120414 
(prerelease) (GCC) ) Wed May  2 19:51:21 PDT 2012
(XEN) Latest ChangeSet: unavailable
(XEN) Bootloader: GNU GRUB 0.97
(XEN) Command line: dom0_mem=max:1G loglvl=all guest_loglvl=all com1=115200,8n1 
console=com1
(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 1 MBR signatures
(XEN)  Found 1 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN)  0000000000000000 - 000000000009f000 (usable)
(XEN)  000000000009f000 - 00000000000a0000 (reserved)
(XEN)  00000000000e0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 00000000cffb0000 (usable)
(XEN)  00000000cffb0000 - 00000000cffbe000 (ACPI data)
(XEN)  00000000cffbe000 - 00000000cfff0000 (ACPI NVS)
(XEN)  00000000cfff0000 - 00000000d0000000 (reserved)
(XEN)  00000000fec00000 - 00000000fec01000 (reserved)
(XEN)  00000000fecc0000 - 00000000fecc1000 (reserved)
(XEN)  00000000fee00000 - 00000000fee01000 (reserved)
(XEN)  00000000fff00000 - 0000000100000000 (reserved)
(XEN)  0000000100000000 - 0000000200000000 (usable)
(XEN) ACPI: RSDP 000F9EB0, 0024 (r2 ACPIAM)
(XEN) ACPI: XSDT CFFB0100, 0054 (r1 091911 XSDT1512 20110919 MSFT       97)
(XEN) ACPI: FACP CFFB0290, 00F4 (r4 091911 FACP1512 20110919 MSFT       97)
(XEN) ACPI: DSDT CFFB0450, 43EC (r2  1AOOW 1AOOW013       13 INTL 20051117)
(XEN) ACPI: FACS CFFBE000, 0040
(XEN) ACPI: APIC CFFB0390, 0072 (r2 091911 APIC1512 20110919 MSFT       97)
(XEN) ACPI: MCFG CFFB0410, 003C (r1 091911 OEMMCFG  20110919 MSFT       97)
(XEN) ACPI: OEMB CFFBE040, 0082 (r1 091911 OEMB1512 20110919 MSFT       97)
(XEN) ACPI: HPET CFFBA450, 0038 (r1 091911 VIA HPET 20110919 MSFT       97)
(XEN) ACPI: SSDT CFFBE0D0, 0711 (r1    AMI   P001PM        1 INTL 20051117)
(XEN) System RAM: 7423MB (7601468kB)
(XEN) No NUMA configuration found
(XEN) Faking a node at 0000000000000000-0000000200000000
(XEN) Domain heap initialised
(XEN) CPU: Vendor unknown, using generic init.
(XEN) CPU: Your system may be unstable.
(XEN) found SMP MP-table at 000ff780
(XEN) DMI present.
(XEN) Using APIC driver default
(XEN) ACPI: PM-Timer IO Port: 0x808
(XEN) ACPI: ACPI SLEEP INFO: pm1x_cnt[804,0], pm1x_evt[800,0]
(XEN) ACPI:                  wakeup_vec[cffbe00c], vec_size[20]
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
(XEN) Processor #0 6:15 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
(XEN) Processor #2 6:15 APIC version 20
(XEN) ACPI: IOAPIC (id[0x03] address[0xfec00000] gsi_base[0])
(XEN) IOAPIC[0]: apic_id 3, version 3, address 0xfec00000, GSI 0-23
(XEN) ACPI: IOAPIC (id[0x04] address[0xfecc0000] gsi_base[24])
(XEN) IOAPIC[1]: apic_id 4, version 3, address 0xfecc0000, GSI 24-47
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 low level)
(XEN) ACPI: IRQ0 used by override.
(XEN) ACPI: IRQ2 used by override.
(XEN) ACPI: IRQ9 used by override.
(XEN) ACPI: IRQ10 used by override.
(XEN) Enabling APIC mode:  Flat.  Using 2 I/O APICs
(XEN) ACPI: HPET id: 0x11068201 base: 0xfed00000
(XEN) PCI: MCFG configuration 0: base e0000000 segment 0 buses 0 - 255
(XEN) PCI: Not using MMCONFIG.
(XEN) Table is not found!
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) IRQ limits: 48 GSI, 352 MSI/MSI-X
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 1400.060 MHz processor.
(XEN) Initing memory sharing.
(XEN) No machine check initialization
(XEN) I/O virtualisation disabled
(XEN) ENABLING IO-APIC IRQs
(XEN)  -> Using new ACK method
(XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1
(XEN) Platform timer is 14.318MHz HPET
(XEN) Allocated console ring of 16 KiB.
(XEN) Brought up 2 CPUs
(XEN) HPET: 3 timers in total, 0 timers will be used for broadcast
(XEN) ACPI sleep modes: S3
(XEN) xenoprof: Initialization failed. Unsupported processor. Unknown vendor 255
(XEN) *** LOADING DOMAIN 0 ***
(XEN)  Xen  kernel: 64-bit, lsb, compat32
(XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x1eb8000
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Dom0 alloc.:   00000001f4000000->00000001f8000000 (243243 pages to be 
allocated)
(XEN)  Init. ramdisk: 00000001ff62b000->00000001fffff800
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: ffffffff81000000->ffffffff81eb8000
(XEN)  Init. ramdisk: ffffffff81eb8000->ffffffff8288c800
(XEN)  Phys-Mach map: ffffffff8288d000->ffffffff82a8d000
(XEN)  Start info:    ffffffff82a8d000->ffffffff82a8d4b4
(XEN)  Page tables:   ffffffff82a8e000->ffffffff82aa7000
(XEN)  Boot stack:    ffffffff82aa7000->ffffffff82aa8000
(XEN)  TOTAL:         ffffffff80000000->ffffffff82c00000
(XEN)  ENTRY ADDRESS: ffffffff818b4200
(XEN) Dom0 has maximum 2 VCPUs
(XEN) Scrubbing Free RAM: 
...............................................................done.
(XEN) Xen trace buffers: disabled
(XEN) Std. Loglevel: All
(XEN) Guest Loglevel: All
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to 
Xen)
(XEN) Freed 228kB init memory.
(XEN) PCI add device 00:00.0
(XEN) PCI add device 00:00.1
(XEN) PCI add device 00:00.2
(XEN) PCI add device 00:00.3
(XEN) PCI add device 00:00.4
(XEN) PCI add device 00:00.5
(XEN) PCI add device 00:00.6
(XEN) PCI add device 00:00.7
(XEN) PCI add device 00:01.0
(XEN) PCI add device 00:01.1
(XEN) PCI add device 00:03.0
(XEN) PCI add device 00:03.1
(XEN) PCI add device 00:03.2
(XEN) PCI add device 00:03.3
(XEN) PCI add device 00:03.4
(XEN) PCI add device 00:0f.0
(XEN) PCI add device 00:10.0
(XEN) PCI add device 00:10.1
(XEN) PCI add device 00:10.2
(XEN) PCI add device 00:10.3
(XEN) PCI add device 00:10.4
(XEN) PCI add device 00:11.0
(XEN) PCI add device 00:11.7
(XEN) PCI add device 00:13.0
(XEN) PCI add device 00:14.0
(XEN) PCI add device 05:00.0
(XEN) physdev.c:155: dom0: wrong map_pirq type 3




-Sam
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