Re: [Xen-users] [Xen-devel] VGA passthough still not working

["Likarpenkov Alexander" <al@xxxxxxxxxxxxxxx>]

I propose to begin drafting a joint manual. Training system for forwarding 
to be divided into two stages:
- Set the system up to the moment when the device can not be forwarding (xm 
pci-list-assignable-devices is empty)
- Set up DomU vga_passthru = 1 after xm pci-list-assignable-devices gives a 
list of devices
Example:
# Xm pci-list-assignable-devices
0000:03:00.0
0000:00:14.0
0000:00:14.5

SR> I agree, a manual would be great.

SR> It would make newcomers, like myself, a little bit more comfortable
SR> with Xen.

SR> I think that the first step would be that everyone who has had success
SR> with VGA passthru should add their hardware setup and xen/kernel
SR> versions to the 
http://wiki.xen.org/wiki/Xen_VGA_Passthrough_Tested_Adapters wiki
SR> page, or perhaps we start a new page in the wiki with information on
SR> how to use particular graphics cards (i.e. how to patch xen to get them
SR> working), and this page can list success stories.

SR> Regards

SR> Sandi

SR> On Fri, Jan 20, 2012 at 7:53 PM, Likarpenkov Alexander
SR> <al@xxxxxxxxxxxxxxx>wrote:

??>> Please make a manual
??>> or let's together make
??>>
??>> Ð ÐÑÑÐÐÑÑ, ÐÐÐÐÑÐÑÐÐÐ ÑÐÐÐÑÑ 2012 ÐÐÐÐ, Ð 18:49:20 ÐÑ ÐÐÑÐÐÐ:
??>>
SR>>> Pasi,
??>>
SR>>> I have that enabled in my BIOS, VT-d for the chipset and VT-x for the
SR>>> CPU.
??>>
SR>>> Have you managed to pass your gpu through to the domU?
??>>
SR>>> Regards
??>>
SR>>> Sandi
SR>>> On Jan 20, 2012 4:47 PM, "Pasi KÃrkkÃinen" <pasik@xxxxxx> wrote:
??>>
??>>>> On Fri, Jan 20, 2012 at 02:05:43PM +0100, Sandi Romih wrote:
??>>>>>    Hello,
??>>>>>    I have spent a lot of time trying to get gfx passthru working on
??>>>>> my
??>>>> system
??>>>>>    without success.
??>>>>>    I looked onto my hardware capabilities again to make sure that
??>>>>> it does   support VT-d and I am not too sure that it does fully.
??>>>>> My hardware is as follows:   - Supermicro X8DTH-6F motherboard 
(5520
??>> chipset
??>>>>> which supports VT-d)   - single Xeon X5650 CPU (which is listed as
??>>>>> supporting VT-x, no
??>>>> mention of
??>>>>>    VT-d at [1]ark.intel.com)
??>>>>>    Now, according to the [2]VTdHowTo, the motherboard BIOS, chipset
??>>>>> AND
??>>>> CPU
??>>>>>    need to support VT-d.
??>>>>>    What confuses me is, why is the 55x0 chipset listed there if
??>>>>> none of
??>>>> the
??>>>>>    CPU's supported, that I know of, dont have the VT-d feature
??>>>>> option,
??>>>> only
??>>>>>    VT-x.
??>>>>> 

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