Re: [Xen-users] Certain PCI passthrough devices don't work

[Liwei <xieliwei@xxxxxxxxx>]

Thanks for the reply!

I have that option enabled in my config file. Tried running with it
set to 0 as well, didn't work either. =(

On 15 July 2012 20:17, David TECHER <davidtecher@xxxxxxxx> wrote:
> Due to changeset 25525,
>
> pci_msitranslate = 0 by default
>
>
> Try
>
> pci_msitranslate = 1
>
> It worked for me :)
>
> ________________________________
> De : Liwei <xieliwei@xxxxxxxxx>
> À : xen-users@xxxxxxxxxxxxxxxxxxx
> Envoyé le : Dimanche 15 juillet 2012 8h37
> Objet : [Xen-users] Certain PCI passthrough devices don't work
>
> Hello list,
>     Using the mainline 3.5-rc6 kernel and yesterday's xen-unstable,
> I'm having trouble passing in some PCI devices. Everything else works
> smoothly.
>     Attached are some of the relevant logs and configurations. I did
> notice from the qemu logs that all the problematic devices have "IRQ
> type = INTx" whereas those that are working have "IRQ type =
> MSI-INTx".
>     On the domU side, Windows reports that the devices cannot start
> and Ubuntu complained something along the lines of "Invalid USB
> capability 0xFF" (for the USB controller I was passing through).
>
>     Kernel version:
>         git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>         commit 055c9fa8874fa7261eec7a268366565db84af474
>         Merge: 310959e 46bada6
>         Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
>         Date:  Tue Jul 10 13:24:48 2012 -0700
>     Xen version:
>         http://xenbits.xen.org/xen-unstable.hg
>         parent: 25605:9950f2dc2ee6 tip
>         xsm/flask: avoid struct page lookup in mmu_normal_update
>         branch: default
>
>     Anyone has any idea how to fix this? It was working before I did
> the kernel and xen upgrade.
>
> Thanks!
>
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> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxx
> http://lists.xen.org/xen-users
>

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