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

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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'?

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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