From: Alex Williamson <alex.williamson@redhat.com>
To: Alexander Lyakas <alex.bolshoy@gmail.com>
Cc: kvm@vger.kernel.org
Subject: Re: PCI-Passthrough: VF ends up with no IRQ assigned on the physical machine
Date: Mon, 26 Mar 2012 16:38:03 -0600 [thread overview]
Message-ID: <1332801483.29722.70.camel@bling.home> (raw)
In-Reply-To: <CAGRgLy5Nb8ZfRG4qo6xLPDifqtHF_p=Gf4PxF7Aa3s5n0kV9bQ@mail.gmail.com>
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:
...
next prev parent reply other threads:[~2012-03-26 22:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-26 16:34 PCI-Passthrough: VF ends up with no IRQ assigned on the physical machine Alexander Lyakas
2012-03-26 22:38 ` Alex Williamson [this message]
2012-03-27 11:01 ` Alexander Lyakas
2012-03-27 13:57 ` Alex Williamson
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