Did you enable vt-d in the bios? If you bios doesnt show the option
then your cpu may not be compatible or you may need to upgrade the
bios.
- chris
On Sun, May 30, 2010 at 1:56 PM, Tom Hofler <tumnes@yahoo.com>
wrote:> Hello,
>
> I was hoping someone might be able to tell me why IOMMU does not seem to be
> found on my system. At the very least is there any way I can get more
debug
> information in addition to adding iommu=verbose to the command line?
>
> Xen 4.0.0
> MSI 890FXA-GD70 (I spoke with an MSI representative who confirmed that this
> motherboard does support IOMMU)
> AMD Phenom II 1090T x6
>
> # dmesg
> __ __ _ _ ___ ___
> \ \/ /___ _ __ | || | / _ \ / _ \
> \ // _ \ ''_ \ | || |_| | | | | | |
> / \ __/ | | | |__ _| |_| | |_| |
> /_/\_\___|_| |_| |_|(_)___(_)___/
>
> (XEN) Xen version 4.0.0 (@(none)) (gcc version 4.3.4 (Gentoo 4.3.4 p1.1,
> pie-10.1.5) ) Mon May 17 21:51:45 CDT 2010
> (XEN) Latest ChangeSet: unavailable
> (XEN) Command line: iommu=verbose
> (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 - 000000000009f000 (usable)
> (XEN) 000000000009f000 - 00000000000a0000 (reserved)
> (XEN) 00000000000e4000 - 0000000000100000 (reserved)
> (XEN) 0000000000100000 - 00000000c7f90000 (usable)
> (XEN) 00000000c7f90000 - 00000000c7f9e000 (ACPI data)
> (XEN) 00000000c7f9e000 - 00000000c7fe0000 (ACPI NVS)
> (XEN) 00000000c7fe0000 - 00000000c8000000 (reserved)
> (XEN) 00000000ffe00000 - 0000000100000000 (reserved)
> (XEN) 0000000100000000 - 0000000238000000 (usable)
> (XEN) ACPI: RSDP 000FB6A0, 0014 (r0 ACPIAM)
> (XEN) ACPI: RSDT C7F90000, 0044 (r1 MSI OEMSLIC 20100518 MSFT 97)
> (XEN) ACPI: FACP C7F90200, 0084 (r1 7640MS A7640100 20100518 MSFT 97)
> (XEN) ACPI: DSDT C7F905E0, 9F32 (r1 A7640 A7640100 100 INTL 20051117)
> (XEN) ACPI: FACS C7F9E000, 0040
> (XEN) ACPI: APIC C7F90390, 0088 (r1 7640MS A7640100 20100518 MSFT 97)
> (XEN) ACPI: MCFG C7F90420, 003C (r1 7640MS OEMMCFG 20100518 MSFT 97)
> (XEN) ACPI: SLIC C7F90460, 0176 (r1 MSI OEMSLIC 20100518 MSFT 97)
> (XEN) ACPI: OEMB C7F9E040, 0072 (r1 7640MS A7640100 20100518 MSFT 97)
> (XEN) ACPI: SRAT C7F9A5E0, 0108 (r3 AMD FAM_F_10 2 AMD 1)
> (XEN) ACPI: HPET C7F9A6F0, 0038 (r1 7640MS OEMHPET 20100518 MSFT 97)
> (XEN) ACPI: SSDT C7F9A730, 0DA4 (r1 A M I POWERNOW 1 AMD 1)
> (XEN) System RAM: 8175MB (8372060kB)
> (XEN) Domain heap initialised
> (XEN) Processor #0 0:10 APIC version 16
> (XEN) Processor #1 0:10 APIC version 16
> (XEN) Processor #2 0:10 APIC version 16
> (XEN) Processor #3 0:10 APIC version 16
> (XEN) Processor #4 0:10 APIC version 16
> (XEN) Processor #5 0:10 APIC version 16
> (XEN) IOAPIC[0]: apic_id 6, version 33, address 0xfec00000, GSI 0-23
> (XEN) IOAPIC[1]: apic_id 7, version 33, address 0xfec20000, GSI 24-55
> (XEN) Enabling APIC mode: Flat. Using 2 I/O APICs
> (XEN) Using scheduler: SMP Credit Scheduler (credit)
> (XEN) Detected 3200.170 MHz processor.
> (XEN) Initing memory sharing.
> (XEN) HVM: ASIDs enabled.
> (XEN) HVM: SVM enabled
> (XEN) HVM: Hardware Assisted Paging detected.
> (XEN) AMD-Vi: IOMMU not found!
> (XEN) I/O virtualisation disabled
> (XEN) Total of 6 processors activated.
> (XEN) ENABLING IO-APIC IRQs
> (XEN) -> Using new ACK method
> (XEN) TSC is reliable, synchronization unnecessary
> (XEN) Platform timer is 14.318MHz HPET
> (XEN) Brought up 6 CPUs
> (XEN) *** LOADING DOMAIN 0 ***
> (XEN) Xen kernel: 64-bit, lsb, compat32
> (XEN) Dom0 kernel: 64-bit, lsb, paddr 0x1000000 -> 0x16be000
> (XEN) PHYSICAL MEMORY ARRANGEMENT:
> (XEN) Dom0 alloc.: 0000000230000000->0000000232000000 (2031119 pages
to
> be allocated)
> (XEN) VIRTUAL MEMORY ARRANGEMENT:
> (XEN) Loaded kernel: ffffffff81000000->ffffffff816be000
> (XEN) Init. ramdisk: ffffffff816be000->ffffffff816be000
> (XEN) Phys-Mach map: ffffea0000000000->ffffea0000f8f078
> (XEN) Start info: ffffffff816be000->ffffffff816be4b4
> (XEN) Page tables: ffffffff816bf000->ffffffff816ce000
> (XEN) Boot stack: ffffffff816ce000->ffffffff816cf000
> (XEN) TOTAL: ffffffff80000000->ffffffff81800000
> (XEN) ENTRY ADDRESS: ffffffff81000000
> (XEN) Dom0 has maximum 6 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) Xen is relinquishing VGA console.
> (XEN) *** Serial input -> DOM0 (type ''CTRL-a'' three
times to switch input to
> Xen)
> (XEN) Freed 164kB init memory.
>
> Thanks!
>
>
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> Xen-users@lists.xensource.com
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>
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