On Sun, Nov 21, 2010 at 11:45:59AM -0500, david myers wrote:
> This is my first time posting, sorry if i don't use the proper etiquette.
>
> I've successfully passed through my secondary GPU to a windows 7 hvm.
>
> Configuration:
> Secondary GPU is 9600 GT
> dom0 is jeremy's pvops
> xen source xen-4.0.2-rc1-pre
> Patches from applied
> http://lists.xensource.com/archives/html/xen-devel/2010-05/msg00441.html
> MSI.9600.GT.bin as /tools/firmware/vgabios/vgabios-pt.bin
>
> I get into windows 7 on the passed GPU's monitor no problem, but windows
> device manager reports
> (Code 12) the device can not find enough available resources
>
> How / where would I allocate more resources to this device ?
>
> I thought it may have something to do with the vBAR pBAR patch, I had
> tried mapping my devices memory according to lspci -v output, but I'm not
> entirely sure I did it right, because it wouldnt work afterwards, and i
> reverted to the patch AS-IS after that to get it working again.
>
> for my 9600 GT lspci -v
> Memory at fa000000 (32-bit, non-prefetchable) [disabled] [size=16M]
> Memory at c0000000 (64-bit, prefetchable) [disabled] [size=512M]
> Memory at f8000000 (64-bit, non-prefetchable) [disabled] [size=32M]
>
> + /* reserve MMIO BARs of gfx for 1:1 mapping */
> + DWordMemory(
> + ResourceProducer, PosDecode, MinFixed, MaxFixed,
> + Cacheable, ReadWrite,
> + 0x00000000,
> + 0xC0000000, <- I only replaced this value in
> the 3 DWordMemory sections
> + 0xEFFFFFFF,
> + 0x00000000,
> + 0x10000000)
>
> I'm guessing some of the other values are relating to the range, I'm not
> sure.
>
> Not entirely sure this is my issue either, as it does seem to be passing
> through without changing the patches values at all, but I appreciate any
> pointers anybody could provide me with to solve the Code 12.
>
Hmm.. I guess that means the correct bars weren't mapped.
I think this is more of a question for xen-devel ..
-- Pasi
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