Re: [Xen-devel] Re: vt-d p7p55d evo: Success

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Sun, Apr 11, 2010 at 02:18:45PM +0300, Pasi Kärkkäinen wrote:
> On Sat, Apr 10, 2010 at 10:02:13PM -0400, listmail wrote:
> > I had no problems passing through my Nvidia 8800gts 512.  The nv driver  
> > on linux works fine (as good as it can).  There were a few quirks to  
> > note, but I imagine your experience will vary using ATI.
> >
> 
> Was this primary or secondary adapter? 
> 

Also please refresh the XenVGAPassthrough wiki page and send all
the information asked there.. so I can add your entry there.

Thanks!

-- Pasi

> 
> > - It takes a bit before you see VGA output
> > - The cursor was positioned a higher than normal (sitting at over the  
> > halfway mark for the font)
> > - Shutdown of Xorg can leave you with a blank console
> > - Shutdown then Restart of domU without restarting dom0 may lead to no  
> > VGA output, however you can still ssh in and startx (Xorg) and it will  
> > produce output
> >
> >
> > This is my specific dom0 grub2 entry for VGA passthrough
> >
> > menuentry "Xen 4.0.0-rc8 / Ubuntu 10.4 kernel 2.6.32.10-xen2 pvops IOMMU  
> > SERIAL" {
> > insmod ext2
> > search --no-floppy --fs-uuid --set 321dedfa-be48-4b4d-bff0-0e5ecce240fd
> > multiboot /boot/xen-4.0.0-rc8.gz dummy=dummy iommu=1 dom0_mem=1024M  
> > com1=19200,8n1,0xe480,17 console=com1
> > module /boot/vmlinuz-2.6.32.10-xen2 dummy=dummy root=/dev/sdc2 ro  
> > xen-pciback.permissive xen-pciback.hide=(01:00.0)(00:1a.0)(00:1d.0)  
> > console=hvc0
> > module /boot/initrd.img-2.6.32.10-xen2
> > }
> >
> >
> > A couple of those addresses are the usb controllers so I make use of  
> > mouse and keyboard.  I never could get qemu passthrough to work.  Epic  
> > fail on trying to use the nvidia drivers =)  The new version tells you  
> > specifically that it does not support the card @ PCI xxxx
> >
> > All I needed in the hvm config was:
> >
> > gfx_passthru=1
> > pci=['01:00.0','00:1a.0','00:1d.0']
> >
> >
> > I can't think of anything else right now :)
> >
> >
> >
> >
> > Mark Hurenkamp wrote:
> >> Next on my list: try passthrough of the primary graphics card...
> >>
> >>
> >> Regards,
> >> Mark
> >>
> >>
> >> On Apr 9, 2010, at 1:57 AM, Mark Hurenkamp wrote:
> >>
> >>> Hi,
> >>>
> >>> I replaced the i5 with an i7 CPU, and now xen seems to enable vtd  
> >>> properly,
> >>> i have yet  to test the feature with my board, but xm info now shows the
> >>> hvm_directio flag:
> >>> host                   : coruscant
> >>> release                : 2.6.32.11mh18
> >>> version                : #10 SMP PREEMPT Wed Apr 7 23:57:39 CEST 2010
> >>> machine                : x86_64
> >>> nr_cpus                : 8
> >>> nr_nodes               : 1
> >>> cores_per_socket       : 4
> >>> threads_per_core       : 2
> >>> cpu_mhz                : 3660
> >>> hw_caps                :
> >>> bfebfbff:28100800:00000000:00001b40:0098e3fd:00000000:00000001:00000000
> >>> virt_caps              : hvm hvm_directio
> >>> total_memory           : 7975
> >>> free_memory            : 2425
> >>> node_to_cpu            : node0:0-7
> >>> node_to_memory         : node0:2425
> >>> node_to_dma32_mem      : node0:1310
> >>> max_node_id            : 0
> >>> xen_major              : 4
> >>> xen_minor              : 0
> >>> xen_extra              : .0
> >>> 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          : Wed Apr 07 12:38:28 2010 +0100  
> >>> 21091:f28f1ee587c8
> >>> xen_commandline        : console_to_ring com1=115200,8n1 console=com1
> >>> cc_compiler            : gcc version 4.4.1 (Ubuntu 4.4.1-4ubuntu9)
> >>> cc_compile_by          : root
> >>> cc_compile_domain      : karpeer.net
> >>> cc_compile_date        : Wed Apr  7 23:16:01 CEST 2010
> >>> xend_config_format     : 4
> >>>
> >>>
> >>> Regards,
> >>> Mark.
> >>>
> >>> On Monday 05 April 2010 11:24:36 pm Sander Eikelenboom wrote:
> >>>> Hi Mark,
> >>>>
> >>>> I guess that's your problem, your cpu doesn't seem to support VT-D, see
> >>>> http://ark.intel.com/Product.aspx?id=42915
> >>>>
> >>>> Both CPU, chipset and bios most support it ...
> >>>>
> >>>> -- 
> >>>> Sander
> >>>
> >>> _______________________________________________
> >>> Xen-devel mailing list
> >>> Xen-devel@xxxxxxxxxxxxxxxxxxx
> >>> http://lists.xensource.com/xen-devel
> >>
> >
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel

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