[Xen-users] VT-d not working

[Christian Holpert <christian@xxxxxxxxxx>]

Hello there,

I am using a Gigabyte H55M-UD2H (Intel H55-Chipset) together with a 
Core-i5-650.
According to Gigabyte Support the Mainboard does support VT-d. Well, 
actually support says, that VT-d does work on Windows-7 in XP-Mode. 
They do not test and support Linux though.
Did anybody here have success using VT-d on any H55-Board?

Perhaps it is some misconfiguration on my side. I tried a hundred 
things, but with no effect.
I am using Gentoo 32bit PAE as Dom0 with Xen 3.4.2.
sys-kernel/xen-sources-2.6.31-r10
app-emulation/xen-3.4.2-r1  USE="pae -acm -custom-cflags -debug -flask -xsm"
app-emulation/xen-tools-3.4.2  USE="hvm -acm -api -custom-cflags 
-debug -doc -flask -pygrub -screen"

Grub: kernel /boot/xen.gz vtd=1 iommu=1 vga=gfx-1024x768x16 msi=1

-------------------------
xm info
host                   : xen
release                : 2.6.31-xen-r10
version                : #18 SMP Sun Feb 14 23:06:16 CET 2010
machine                : i686
nr_cpus                : 4
nr_nodes               : 1
cores_per_socket       : 2
threads_per_core       : 2
cpu_mhz                : 3197
hw_caps                : 
bfebfbff:28100000:00000000:00000740:0298e3ff:00000000:00000001:00000000
virt_caps              : hvm
total_memory           : 3835
free_memory            : 2
node_to_cpu            : node0:0-3
node_to_memory         : node0:2
xen_major              : 3
xen_minor              : 4
xen_extra              : .2
xen_caps               : xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xf5800000
xen_changeset          : unavailable
cc_compiler            : gcc version 4.3.4 (Gentoo 4.3.4 p1.0, pie-10.1.5)
cc_compile_by          : root
cc_compile_domain      : holpert.de
cc_compile_date        : Wed Feb 17 15:01:17 CET 2010
xend_config_format     : 4

-------------------------
xm dmesg

 __  __            _____ _  _    ____
 \ \/ /___ _ __   |___ /| || |  |___ \
  \  // _ \ '_ \    |_ \| || |_   __) |
  /  \  __/ | | |  ___) |__   _| / __/
 /_/\_\___|_| |_| |____(_) |_|(_)_____|

(XEN) Xen version 3.4.2 (root@xxxxxxxxxx) (gcc version 4.3.4 (Gentoo 
4.3.4 p1.0, pie-10.1.5) ) Wed Feb 17 15:01:17 CET 2010
(XEN) Latest ChangeSet: unavailable
(XEN) Command line: vtd=1 iommu=1 vga=gfx-1024x768x16 msi=1
(XEN) Video information:
(XEN)  VGA is graphics mode 1024x768, 16 bpp
(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 - 000000000009dc00 (usable)
(XEN)  000000000009f800 - 00000000000a0000 (reserved)
(XEN)  00000000000f0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 00000000d7be0000 (usable)
(XEN)  00000000d7be0000 - 00000000d7be3000 (ACPI NVS)
(XEN)  00000000d7be3000 - 00000000d7bf0000 (ACPI data)
(XEN)  00000000d7bf0000 - 00000000d7c00000 (reserved)
(XEN)  00000000f4000000 - 00000000f8000000 (reserved)
(XEN)  00000000fec00000 - 0000000100000000 (reserved)
(XEN)  0000000100000000 - 0000000118000000 (usable)
(XEN) System RAM: 3835MB (3927540kB)
(XEN) ACPI: RSDP 000F7080, 0014 (r0 GBT   )
(XEN) ACPI: RSDT D7BE3040, 0040 (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: FACP D7BE30C0, 0074 (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: DSDT D7BE3180, 54D2 (r1 GBT    GBTUACPI     1000 MSFT  100000C)
(XEN) ACPI: FACS D7BE0000, 0040
(XEN) ACPI: HPET D7BE87C0, 0038 (r1 GBT    GBTUACPI 42302E31 GBTU       98)
(XEN) ACPI: MCFG D7BE8840, 003C (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: EUDS D7BE8880, 04D0 (r1 GBT                    0             0)
(XEN) ACPI: TAMG D7BE8D50, 0A4A (r1 GBT    GBT   B0 5455312E BG^A^A 53450101)
(XEN) ACPI: APIC D7BE86C0, 00BC (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: SSDT D7BE97A0, 1BA0 (r1  INTEL PPM RCM  80000001 INTL 20061109)
(XEN) Xen heap: 9MB (9688kB)
(XEN) Domain heap initialised
(XEN) Processor #0 6:5 APIC version 21
(XEN) Processor #4 6:5 APIC version 21
(XEN) Processor #1 6:5 APIC version 21
(XEN) Processor #5 6:5 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 3197.832 MHz processor.
(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) VMX: EPT is available.
(XEN) VMX: VPID is available.
(XEN) HVM: VMX enabled
(XEN) HVM: Hardware Assisted Paging detected.
(XEN) CPU0: Intel(R) Core(TM) i5 CPU         650  @ 3.20GHz stepping 02
(XEN) Booting processor 1/4 eip 8c000
(XEN) CPU1: Intel(R) Core(TM) i5 CPU         650  @ 3.20GHz stepping 02
(XEN) Booting processor 2/1 eip 8c000
(XEN) CPU2: Intel(R) Core(TM) i5 CPU         650  @ 3.20GHz stepping 02
(XEN) Booting processor 3/5 eip 8c000
(XEN) CPU3: Intel(R) Core(TM) i5 CPU         650  @ 3.20GHz stepping 02
(XEN) Total of 4 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN)  -> Using new ACK method
(XEN) checking TSC synchronization across 4 CPUs: passed.
(XEN) Platform timer is 14.318MHz HPET
(XEN) Brought up 4 CPUs
(XEN) I/O virtualisation disabled
(XEN) xenoprof: Initialization failed. Intel processor model 37 for 
P6 class family is not supported
(XEN) *** LOADING DOMAIN 0 ***
(XEN)  Xen  kernel: 32-bit, PAE, lsb
(XEN)  Dom0 kernel: 32-bit, PAE, lsb, paddr 0x1000000 -> 0x1599000
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Dom0 alloc.:   000000003c000000->000000003e000000 (929696 
pages to be allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: c1000000->c1599000
(XEN)  Init. ramdisk: c1599000->c1599000
(XEN)  Phys-Mach map: c1599000->c192ce80
(XEN)  Start info:    c192d000->c192d47c
(XEN)  Page tables:   c192e000->c1941000
(XEN)  Boot stack:    c1941000->c1942000
(XEN)  TOTAL:         c0000000->c1c00000
(XEN)  ENTRY ADDRESS: c1000000
(XEN) Dom0 has maximum 4 VCPUs
(XEN) Scrubbing Free RAM: .done.
(XEN) Xen trace buffers: disabled
(XEN) Std. Loglevel: Errors and warnings
(XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch 
input to Xen)
(XEN) Freed 124kB init memory.
(XEN) xen_pminfo: @acpi_cpufreq_cpu_init,HARDWARE addr space
(XEN) CPU 0 initialization completed
(XEN) xen_pminfo: @acpi_cpufreq_cpu_init,HARDWARE addr space
(XEN) CPU 1 initialization completed
(XEN) xen_pminfo: @acpi_cpufreq_cpu_init,HARDWARE addr space
(XEN) CPU 2 initialization completed
(XEN) xen_pminfo: @acpi_cpufreq_cpu_init,HARDWARE addr space
(XEN) CPU 3 initialization completed
(XEN) no cpu_id for acpi_id 4
(XEN) no cpu_id for acpi_id 5
(XEN) no cpu_id for acpi_id 6
(XEN) no cpu_id for acpi_id 7
(XEN) mtrr: type mismatch for e0000000,10000000 old: write-back new: 
write-combining
(XEN) mm.c:739:d2 Non-privileged (2) attempt to map I/O space 000000f8
(XEN) mm.c:739:d4 Non-privileged (4) attempt to map I/O space 000000f8
(XEN) Xen trace buffers: initialized
(XEN) mm.c:739:d4 Non-privileged (4) attempt to map I/O space 000000f8
(XEN) mm.c:739:d4 Non-privileged (4) attempt to map I/O space 000000f8
(XEN) mm.c:739:d4 Non-privileged (4) attempt to map I/O space 000000f8
(XEN) mm.c:739:d4 Non-privileged (4) attempt to map I/O space 000000f8
-------------------------


Thanks,
Christian


--
Markt-Apotheke Christian Holpert e.K., Mömbris
  http://www.marktapotheke.org - info@xxxxxxxxxxxxxxxxx
  http://www.blue-essentials-shop.de - info@xxxxxxxxxxxxxxxxxxxxxxx
  Apotheker Christian Holpert
Im Markthof 5
63776 Mömbris
  Tel.: 06029-1379 Fax: 9986589

Amtsgericht Aschaffenburg, HR.A, Registernummer 2165


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