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I'm having trouble actually seeing a PCI device in my VMs. I've resolved several of my issues using previous posts and using the VTdHowTo wiki page. I have both VT and VTd BIOS options enabled. I have pciback hiding the devices and xm can list and assign the devices to VMs. I don't see the PCI devices in my VMs though. I have tried a windows and a Linux vm, without success. I also made sure I removed the drivers for the devices to make sure dom0 was not using them.
Grub command:
title Xen 3.3 (2.6.18.8)
root (hd0,1)
kernel /boot/xen-3.3.0.gz vtd=1 iommu=1
module /boot/vmlinuz-2.6.18.8-xen root=/dev/disk/by-id/scsi-SATA_ST3250310NS_9SF0LZAP-part2 vga=0x317 resume=/dev/sda1 splash=silent showopts pciback.hide=(01:00.0)(01:00.1)(06:00.0)
module /boot/initrd-2.6.18.8-xen
The PCI devices I'm trying to assign:
# lspci
01:00.0 Fibre Channel: Emulex Corporation Saturn-X: LightPulse Fibre Channel Host Adapter (rev 03)
01:00.1 Fibre Channel: Emulex Corporation Saturn-X: LightPulse Fibre Channel Host Adapter (rev 03)
06:00.0 SCSI storage controller: LSI Logic / Symbios Logic SAS1068E PCI-Express Fusion-MPT SAS (rev 08)
Xen says I can assign them
# xm pci-list-assignable-devices
0000:06:00.0
0000:01:00.0 0000:01:00.1
Create my VM:
# xm create w2k3.vxm pci=01:00.0 pci=01:00.1
Using config file "./w2k3.vxm".
Started domain w2k3
I can confirm Xen thinks I have assigned the devices
# xm pci-list w2k3
domain bus slot func
0x0 0x01 0x00 0x0
0x0 0x01 0x00 0x1
# xm create rhel5.vxm.vxm pci=01:00.0 pci=01:00.1
Using config file "./rhel5.vxm".
Started domain rhel5
# xm pci-list rhel5
domain bus slot func
0x0 0x06 0x00 0x0
Again, neither windows (device manager) nor Linux (lspci) VMs can see the assigned devices. Below is "xm dmesg" showing VTd is enabled. Another curious fact is that I can assign the same devices to 2 VMs. I would have expected an error, but perhaps it is allowed to share devices. Anyone have any thoughts on what I'm missing?
(XEN) Xen version 3.3.0 (root@xxxxxxxxxxx) (gcc version 4.1.2 20070115 (SUSE Linux)) Wed Dec 10 10:59:53 EST 2008
(XEN) Latest ChangeSet: unavailable
(XEN) Command line: vtd=1 iommu=1
(XEN) Video information:
(XEN) VGA is text mode 80x25, font 8x16
(XEN) VBE/DDC methods: none; EDID transfer time: 2 seconds
(XEN) EDID info not retrieved because no DDC retrieval method detected
(XEN) Disc information:
(XEN) Found 4 MBR signatures
(XEN) Found 4 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN) 0000000000000000 - 000000000009cc00 (usable)
(XEN) 000000000009cc00 - 00000000000a0000 (reserved)
(XEN) 00000000000e0000 - 0000000000100000 (reserved)
(XEN) 0000000000100000 - 00000000cfef0000 (usable)
(XEN) 00000000cfef0000 - 00000000cff03000 (ACPI data)
(XEN) 00000000cff03000 - 00000000cff04000 (ACPI NVS)
(XEN) 00000000cff04000 - 00000000d0000000 (reserved)
(XEN) 00000000e0000000 - 00000000f0000000 (reserved)
(XEN) 00000000fec00000 - 00000000fec10000 (reserved)
(XEN) 00000000fee00000 - 00000000fee01000 (reserved)
(XEN) 00000000ff000000 - 0000000100000000 (reserved)
(XEN) 0000000100000000 - 0000000230000000 (usable)
(XEN) System RAM: 8190MB (8387120kB)
(XEN) ACPI: RSDP 000F6530, 0024 (r2 PTLTD )
(XEN) ACPI: XSDT CFEFA758, 00CC (r1 SMCSLP SUPERMIC 6040000 LTP 0)
(XEN) ACPI: FACP CFF022FC, 00F4 (r3 INTEL STOAKLEY 6040000 PTL 3)
(XEN) ACPI: DSDT CFEFD9BC, 48CC (r1 Intel SEABURG 6040000 MSFT 3000001)
(XEN) ACPI: FACS CFF03FC0, 0040
(XEN) ACPI: DMAR CFF023F0, 0108 (r1 Intel OEMDMAR 6040000 LOHR 1)
(XEN) ACPI: TCPA CFF024F8, 0032 (r1 Intel STOAKLEY 6040000 LOHR 5A)
(XEN) ACPI: APIC CFF0252A, 00D4 (r1 PTLTD APIC 6040000 LTP 0)
(XEN) ACPI: MCFG CFF025FE, 003C (r1 PTLTD MCFG 6040000 LTP 0)
(XEN) ACPI: BOOT CFF0263A, 0028 (r1 PTLTD $SBFTBL$ 6040000 LTP 1)
(XEN) ACPI: SPCR CFF02662, 0050 (r1 PTLTD $UCRTBL$ 6040000 PTL 1)
(XEN) ACPI: ERST CFF026B2, 0590 (r1 SMCI ERSTTBL 6040000 SMCI 1)
(XEN) ACPI: HEST CFF02C42, 00A8 (r1 SMCI HESTTBL 6040000 SMCI 1)
(XEN) ACPI: BERT CFF02CEA, 0030 (r1 SMCI BERTTBL 6040000 SMCI 1)
(XEN) ACPI: EINJ CFF02D1A, 0170 (r1 SMCI EINJTBL 6040000 SMCI 1)
(XEN) ACPI: SLIC CFF02E8A, 0176 (r1 SMCSLP SUPERMIC 6040000 LTP 0)
(XEN) ACPI: SSDT CFEFC0B3, 025F (r1 PmRef Cpu0Tst 3000 INTL 20050228)
(XEN) ACPI: SSDT CFEFC00D, 00A6 (r1 PmRef Cpu7Tst 3000 INTL 20050228)
(XEN) ACPI: SSDT CFEFBF67, 00A6 (r1 PmRef Cpu6Tst 3000 INTL 20050228)
(XEN) ACPI: SSDT CFEFBEC1, 00A6 (r1 PmRef Cpu5Tst 3000 INTL 20050228)
(XEN) ACPI: SSDT CFEFBE1B, 00A6 (r1 PmRef Cpu4Tst 3000 INTL 20050228)
(XEN) ACPI: SSDT CFEFBD75, 00A6 (r1 PmRef Cpu3Tst 3000 INTL 20050228)
(XEN) ACPI: SSDT CFEFBCCF, 00A6 (r1 PmRef Cpu2Tst 3000 INTL 20050228)
(XEN) ACPI: SSDT CFEFBC29, 00A6 (r1 PmRef Cpu1Tst 3000 INTL 20050228)
(XEN) ACPI: SSDT CFEFA824, 1405 (r1 PmRef CpuPm 3000 INTL 20050228)
(XEN) Xen heap: 14MB (14500kB)
(XEN) Domain heap initialised
(XEN) Processor #0 7:7 APIC version 20
(XEN) Processor #4 7:7 APIC version 20
(XEN) Processor #1 7:7 APIC version 20
(XEN) Processor #5 7:7 APIC version 20
(XEN) Processor #2 7:7 APIC version 20
(XEN) Processor #6 7:7 APIC version 20
(XEN) Processor #3 7:7 APIC version 20
(XEN) Processor #7 7:7 APIC version 20
(XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23
(XEN) IOAPIC[1]: apic_id 9, version 32, address 0xfec86000, GSI 24-47
(XEN) IOAPIC[2]: apic_id 10, version 32, address 0xfec89000, GSI 48-71
(XEN) Enabling APIC mode: Flat. Using 3 I/O APICs
(XEN) Intel VT-d has been enabled
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 2666.833 MHz processor.
(XEN) HVM: VMX enabled
(XEN) CPU0: Intel(R) Xeon(R) CPU E5430 @ 2.66GHz stepping 06
(XEN) Booting processor 1/4 eip 8c000
(XEN) CPU1: Intel(R) Xeon(R) CPU E5430 @ 2.66GHz stepping 06
(XEN) Booting processor 2/1 eip 8c000
(XEN) CPU2: Intel(R) Xeon(R) CPU E5430 @ 2.66GHz stepping 06
(XEN) Booting processor 3/5 eip 8c000
(XEN) CPU3: Intel(R) Xeon(R) CPU E5430 @ 2.66GHz stepping 06
(XEN) Booting processor 4/2 eip 8c000
(XEN) CPU4: Intel(R) Xeon(R) CPU E5430 @ 2.66GHz stepping 06
(XEN) Booting processor 5/6 eip 8c000
(XEN) CPU5: Intel(R) Xeon(R) CPU E5430 @ 2.66GHz stepping 06
(XEN) Booting processor 6/3 eip 8c000
(XEN) CPU6: Intel(R) Xeon(R) CPU E5430 @ 2.66GHz stepping 06
(XEN) Booting processor 7/7 eip 8c000
(XEN) CPU7: Intel(R) Xeon(R) CPU E5430 @ 2.66GHz stepping 06
(XEN) Total of 8 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN) -> Using new ACK method
(XEN) checking TSC synchronization across 8 CPUs: passed.
(XEN) Platform timer is 3.579MHz ACPI PM Timer
(XEN) Brought up 8 CPUs
(XEN) I/O virtualisation enabled
(XEN) I/O virtualisation for PV guests disabled
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Xen kernel: 64-bit, lsb, compat32
(XEN) Dom0 kernel: 64-bit, lsb, paddr 0xffffffff80200000 -> 0xffffffff805c148c
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN) Dom0 alloc.: 0000000224000000->0000000226000000 (2017483 pages to be allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN) Loaded kernel: ffffffff80200000->ffffffff805c148c
(XEN) Init. ramdisk: ffffffff805c2000->ffffffff80d07e00
(XEN) Phys-Mach map: ffffffff80d08000->ffffffff81c7c658
(XEN) Start info: ffffffff81c7d000->ffffffff81c7d4a4
(XEN) Page tables: ffffffff81c7e000->ffffffff81c91000
(XEN) Boot stack: ffffffff81c91000->ffffffff81c92000
(XEN) TOTAL: ffffffff80000000->ffffffff82000000
(XEN) ENTRY ADDRESS: ffffffff80200000
(XEN) Dom0 has maximum 8 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 108kB init memory.
(XEN) mtrr: type mismatch for d0000000,2000000 old: write-back new: write-combining
-----------------------------------------
Rafael E. Ayala
Senior Software Engineer
Xyratex International, Inc.
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