Re: [Xen-devel] pci-passthrough and shared interrupts

[Ritu kaur <ritu.kaur.us@xxxxxxxxx>]

Thanks Konrad, I checked my old emails(back in March 2010) to see if I had tried this combination when I was testing xcp. I did try this combination and the problem I had faced was configuration errors due to IDE_DISK. I couldn't get past this problem. Snippets below

/*********************************************************
Thanks Konrad.
>
>    I downloaded new code and still doesn't work(albeit different problem). I
>    will enumerate them below
>
>    (Please note 1, 2 and 3 are seen with old xen/next as well). What seemed
>    simple testing of pci passthrough via config changes doesn't seem to be
>    the case.
>
>    1. mkinitrd doesn't work in xcp ddk. I get below errors
>
>    mkinitrd -f ./initrd-2.6.32.ing 2.6.32
>    modinfo: could not find module ide-disk
>    No module ide-disk found for kernel 2.6.32, aborting.
>
******************************************************************************************************************/

On Fri, Oct 1, 2010 at 8:58 AM, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote:

On Fri, Oct 01, 2010 at 08:36:03AM -0700, Ritu kaur wrote:
> Hi Konrad,
>
> Frankly, I am confused. XCP(which is similar to Citrix Xenserver but
> open-source and newer-kernel) requires DDK to build a kernel image. If I
> understand your suggestion correctly I should be able to
>
> 1. Take PVOPS kernel code, compile it in XCP DDK and load it into dom0
> 2. Take PVOPS kernel code, compile it in domU OS and load it into domU
>
> then, I should be able to get pci-passthrough + shared interrupts between
> devices working correctly?  Please clarify/confirm

Yes.

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