On Wed, Nov 2, 2011 at 5:20 PM, Periko Support
<pheriko.support@xxxxxxxxx> wrote:
> Hi.
>
> I got a asus SABERTOOTH 990FX, reading about vt-d, I read the MoBo
> that support IOMMU and there was chip 990FX, them I pick this MoBo,
> the BIOS that came with the board was 0402 05/11.
>
> I follow the xen wiki, I'm running Xen 4.1.1 from Gitco on Centos 5.7
> x64, by default the MoBo have the IOMMU disable, I enable the feature
> IOMMU = 64MB, save the bios settings, restart, turn off the machine,
> unplug the power cable for a couple of seconds, connect the cable,
> start the machine and...
>
> 1; kernel /xen.gz-4.1.1 dom0_max_vcpus=1 dom0_vcpus_pin dom0_mem=1024MB
> iommu=1
>
> (XEN) AMD-Vi: IOMMU not found!
> (XEN) I/O virtualisation disabled
>
> 2; The wiki say that by default xen 4+ have iommu enable, them I
> remove the iommu=1 option in the kernel line, save, restart and:
>
> (XEN) AMD-Vi: IOMMU not found!
> (XEN) I/O virtualisation disabled
>
> I still have other BIOS is a beta, I will give a try and see what
> happend, is someone have tip about please let me know I will
> appreciated.
>
> Last thing, before purchase this MoBo I ask by chat to the technical
> support of asus and the guy say that every MoBo from 2010+ have this
> feature, 3 years back don't, them he point me a list of MoBo and was
> this one I got, my near store have it and pay for it.
>
> This is the dmesg output just for the record:
>
> \ \/ /___ _ __ | || | / | / |
> \ // _ \ \047_ \ | || |_ | | | |
> / \ __/ | | | |__ _|| |_| |
> /_/\_\___|_| |_| |_|(_)_(_)_|
>
> (XEN) Xen version 4.1.1 (root@xxxxxxxxx) (gcc version 4.1.2 20080704
> (Red Hat 4.1.2-50)) Sun Sep 4 23:28:19 CEST 2011
> (XEN) Latest ChangeSet: unavailable
> (XEN) Bootloader: GNU GRUB 0.97
> (XEN) Command line: dom0_max_vcpus=1 dom0_vcpus_pin dom0_mem=1024MB
> (XEN) Video information:
> (XEN) VGA is text mode 80x25, font 8x16
> (XEN) VBE/DDC methods: none; EDID transfer time: 0 seconds
> (XEN) EDID info not retrieved because no DDC retrieval method detected
> (XEN) Disc information:
> (XEN) Found 2 MBR signatures
> (XEN) Found 2 EDD information structures
> (XEN) Xen-e820 RAM map:
> (XEN) 0000000000000000 - 000000000009d800 (usable)
> (XEN) 000000000009d800 - 00000000000a0000 (reserved)
> (XEN) 00000000000e0000 - 0000000000100000 (reserved)
> (XEN) 0000000000100000 - 00000000bd83e000 (usable)
> (XEN) 00000000bd83e000 - 00000000bd88b000 (ACPI NVS)
> (XEN) 00000000bd88b000 - 00000000bd894000 (ACPI data)
> (XEN) 00000000bd894000 - 00000000bdae0000 (reserved)
> (XEN) 00000000bdae0000 - 00000000bdaf1000 (ACPI NVS)
> (XEN) 00000000bdaf1000 - 00000000bdb04000 (reserved)
> (XEN) 00000000bdb04000 - 00000000bdb06000 (ACPI NVS)
> (XEN) 00000000bdb06000 - 00000000bdb0f000 (reserved)
> (XEN) 00000000bdb0f000 - 00000000bdb15000 (ACPI NVS)
> (XEN) 00000000bdb15000 - 00000000bdb77000 (reserved)
> (XEN) 00000000bdb77000 - 00000000bdd7a000 (ACPI NVS)
> (XEN) 00000000bdd7a000 - 00000000bdf00000 (usable)
> (XEN) 00000000f8000000 - 00000000fc000000 (reserved)
> (XEN) 00000000fec00000 - 00000000fec01000 (reserved)
> (XEN) 00000000fec10000 - 00000000fec11000 (reserved)
> (XEN) 00000000fec20000 - 00000000fec21000 (reserved)
> (XEN) 00000000fed00000 - 00000000fed01000 (reserved)
> (XEN) 00000000fed61000 - 00000000fed71000 (reserved)
> (XEN) 00000000fed80000 - 00000000fed90000 (reserved)
> (XEN) 00000000fef00000 - 0000000100000000 (reserved)
> (XEN) 0000000100001000 - 0000000240000000 (usable)
> (XEN) ACPI: RSDP 000F0450, 0024 (r2 ALASKA)
> (XEN) ACPI: XSDT BD88B060, 0044 (r1 ALASKA A M I 1072009 AMI 10013)
> (XEN) ACPI: FACP BD893C28, 00F4 (r4 ALASKA A M I 1072009 AMI 10013)
> (XEN) ACPI Warning (tbfadt-0444): Optional field "Pm2ControlBlock" has
> zero address or length: 0000000000000000/1 [20070126]
> (XEN) ACPI: DSDT BD88B138, 8AED (r2 ALASKA A M I 0 INTL 20051117)
> (XEN) ACPI: FACS BDB0FF80, 0040
> (XEN) ACPI: APIC BD893D20, 009E (r3 ALASKA A M I 1072009 AMI 10013)
> (XEN) ACPI: MCFG BD893DC0, 003C (r1 ALASKA A M I 1072009 MSFT 10013)
> (XEN) ACPI: HPET BD893E00, 0038 (r1 ALASKA A M I 1072009 AMI 4)
> (XEN) System RAM: 8153MB (8349056kB)
> (XEN) Domain heap initialised
> (XEN) ACPI: 32/64X FACS address mismatch in FADT -
> bdb0ff80/0000000000000000, using 32
> (XEN) Processor #0 0:5 APIC version 16
> (XEN) Processor #1 0:5 APIC version 16
> (XEN) Processor #2 0:5 APIC version 16
> (XEN) Processor #3 0:5 APIC version 16
> (XEN) IOAPIC[0]: apic_id 5, version 33, address 0xfec00000, GSI 0-23
> (XEN) IOAPIC[1]: apic_id 6, version 33, address 0xfec20000, GSI 24-55
> (XEN) Enabling APIC mode: Flat. Using 2 I/O APICs
> (XEN) Table is not found!
> (XEN) Using scheduler: SMP Credit Scheduler (credit)
> (XEN) Detected 3010.193 MHz processor.
> (XEN) Initing memory sharing.
> (XEN) AMD-Vi: IOMMU not found!
> (XEN) I/O virtualisation 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) HVM: ASIDs enabled.
> (XEN) SVM: Supported advanced features:
> (XEN) - Nested Page Tables (NPT)
> (XEN) - Last Branch Record (LBR) Virtualisation
> (XEN) - Next-RIP Saved on #VMEXIT
> (XEN) HVM: SVM enabled
> (XEN) HVM: Hardware Assisted Paging detected.
> (XEN) Brought up 4 CPUs
> (XEN) Xenoprofile: Failed to setup IBS LVT offset, IBSCTL = 0xffffffff
> (XEN) *** LOADING DOMAIN 0 ***
> (XEN) Xen kernel: 64-bit, lsb, compat32
> (XEN) Dom0 kernel: 64-bit, lsb, paddr 0xffffffff80200000 ->
> 0xffffffff808e302c
> (XEN) PHYSICAL MEMORY ARRANGEMENT:
> (XEN) Dom0 alloc.: 0000000238000000->0000000239000000 (255908 pages
> to be allocated)
> (XEN) Init. ramdisk: 000000023f7a4000->000000023ffffa00
> (XEN) VIRTUAL MEMORY ARRANGEMENT:
> (XEN) Loaded kernel: ffffffff80200000->ffffffff808e302c
> (XEN) Init. ramdisk: ffffffff808e4000->ffffffff8113fa00
> (XEN) Phys-Mach map: ffffffff81140000->ffffffff81340000
> (XEN) Start info: ffffffff81340000->ffffffff813404b4
> (XEN) Page tables: ffffffff81341000->ffffffff8134e000
> (XEN) Boot stack: ffffffff8134e000->ffffffff8134f000
> (XEN) TOTAL: ffffffff80000000->ffffffff81400000
> (XEN) ENTRY ADDRESS: ffffffff80200000
> (XEN) Dom0 has maximum 1 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 \047CTRL-a\047 three times to
> switch input to Xen)
> (XEN) Freed 216kB init memory.
> (END)
>
Just to add, I had enable iommu=verbose but don't see any difference
in the output, thanks!!!!
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