Re: VTD not working on Intel DX58SO w/ Xen 4.0.1

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Mon, Nov 29, 2010 at 11:13:18AM -0500, chris wrote:
> Hello,
> 
> I'm having problems with VTD on this board. The board/cpu/bios all
> support vt-d and I think maybe I'm just missing something?
> Any feedback would be much appreciated :)

Please follow the steps outlined in http://wiki.xensource.com/xenwiki/XenParavirtOps
in the sections with the word "troubleshoot". We need the full Xen serial output.

Also look in http://wiki.xensource.com/xenwiki/XenCommonProblems.

> 
> Output below:
> 
> root@vm:~# xm create /etc/xen/vm-nine.cfg
> Using config file "/etc/xen/vm-nine.cfg".
> Error: Failed to assign device to IOMMU
> (0000:05:00.0@100,msitranslate=1,power_mgmt=0)
> 
> root@vm:~# lspci -s 05:00
> 05:00.0 USB Controller: NEC Corporation USB (rev 43)
> 05:00.1 USB Controller: NEC Corporation USB (rev 43)
> 05:00.2 USB Controller: NEC Corporation USB 2.0 (rev 04)
> 
> root@vm:~# cat /etc/xen/vm-nine.cfg
> kernel = '/usr/lib/xen/boot/hvmloader'
> builder = 'hvm'
> memory = '1024'
> device_model='/usr/lib/xen/bin/qemu-dm'
> # Disks
> disk = [ 'phy:/dev/storage/vm-nine,ioemu:hda,w',
> 'phy:/dev/sr0,ioemu:hdc:cdrom,r'
> ]
> 
> # Hostname
> name = 'vm-nine'
> 
> # Networking
> vif = ['type=ioemu, bridge=eth0, mac=00:16:3D:37:A2:38']
> 
> # Behaviour
> boot='dc'
> vcpus=1
> acpi=1
> ahci=1
> vnc=1
> vncviewer=1
> sdl=0
> timer_mode=1
> usb=1
> usbdevice='tablet'
> localtime=1
> viridian=1
> pci=['05:00.0','05:00.1','05:00.2']
> 
> root@vm:~# dmesg | grep seiz
> [    1.880424] pciback 0000:05:00.0: seizing device
> [    1.880482] pciback 0000:05:00.1: seizing device
> [    1.880539] pciback 0000:05:00.2: seizing device
> 
> root@vm:~# cat /boot/grub/grub.cfg  | grep pciback
>         module  /boot/vmlinuz-2.6.32-5-xen-amd64 placeholder
> root=UUID=aebc8747-abb3-413a-b808-b345a9a19111 ro
> pci=resource_alignment=05:00.0 xen-pciback.permissive
> xen-pciback.hide=(05:00.0)(05:00.1)(05:00.2)
> 
> root@vm:~# xm info
> host                   : vm
> release                : 2.6.32-5-xen-amd64
> version                : #1 SMP Sat Oct 30 17:04:10 UTC 2010
> machine                : x86_64
> nr_cpus                : 8
> nr_nodes               : 1
> cores_per_socket       : 4
> threads_per_core       : 2
> cpu_mhz                : 3066
> hw_caps                :
> bfebfbff:28100800:00000000:00001b40:0098e3bd:00000000:00000001:00000000
> virt_caps              : hvm hvm_directio
> total_memory           : 8180
> free_memory            : 1493
> node_to_cpu            : node0:0-7
> node_to_memory         : node0:1493
> node_to_dma32_mem      : node0:743
> max_node_id            : 0
> xen_major              : 4
> xen_minor              : 0
> xen_extra              : .1
> xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
> hvm-3.0-x86_32p hvm-3.0-x86_64
> xen_scheduler          : credit
> xen_pagesize           : 4096
> platform_params        : virt_start=0xffff800000000000
> xen_changeset          : unavailable
> xen_commandline        : placeholder
> cc_compiler            : gcc version 4.4.5 20100824 (prerelease)
> (Debian 4.4.4-11)
> cc_compile_by          : waldi
> cc_compile_domain      : debian.org
> cc_compile_date        : Fri Sep  3 15:38:12 UTC 2010
> xend_config_format     : 4
> 
> - chris
> 
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