Re: PCI-Passthrough: VF ends up with no IRQ assigned on the physical machine

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On Tue, 2012-03-27 at 13:01 +0200, Alexander Lyakas wrote:
> Hi Alex,
> chances are not too high, but I can try.
> Should I try version 0.15.1? Will it be compatible with my kernel
> (2.6.38-8)? Or should I also take 'kvm-kmod' or 'kvm'?

Not new enough, try qemu-kvm.git.  It should be compatible with your
kernel.  Thanks,

Alex

> On Tue, Mar 27, 2012 at 12:38 AM, Alex Williamson
> <alex.williamson@xxxxxxxxxx> wrote:
> > On Mon, 2012-03-26 at 18:34 +0200, Alexander Lyakas wrote:
> >> Greetings everybody,
> >> I am running stock ubuntu-natty 2.6.38-8, with KVM 0.14.0 and libvirt
> >
> > Any chance you can try upstream qemu-kvm?  Interrupts, including msi-x
> > have been given an overhaul recently.  Thanks,
> >
> > Alex
> >
> >> 0.8.8. I am using Intel 82599EB dual-port 10Gb NIC with VFs spawned by
> >> each one of the PFs. Those VFs are further assigned to KVM instances
> >> with PCI-passthrough using libvirt. Each instance receives 4 VFs (two
> >> VFs from each PF).
> >> Usually when KVM starts, messages like these appear in the kernel log
> >> of the physical machine:
> >> syslog.ubuntu-sata-51 146907  Mar 25 18:19:51 ubuntu-sata-51 kernel:
> >> [51267.029108] pci-stub 0000:03:13.1: claimed by stub
> >> syslog.ubuntu-sata-51 146908  Mar 25 18:19:51 ubuntu-sata-51 kernel:
> > ...
> >



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