[fedora-virt] vfio Fedora 19

[James Hubbard]

On Wed, Oct 16, 2013 at 10:04 AM, James Hubbard <jameshubbard at gmail.com>wrote:

> On Wed, Oct 16, 2013 at 9:11 AM, Cole Robinson <crobinso at redhat.com>wrote:
>
>> On 10/16/2013 09:03 AM, James Hubbard wrote:
>> > On Wed, Oct 16, 2013 at 7:31 AM, Cole Robinson <crobinso at redhat.com
>> > <mailto:crobinso at redhat.com>> wrote:
>> >
>> >     Sounds like your system doesn't have an iommu or it isn't enabled,
>> confirm
>> >     with the 'verify' steps here:
>> >
>> >
>> http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM#Assigning_device_to_guest
>> >
>> >     > BTW, this is not generating an error message in virt-manager like
>> it was
>> >     prior
>> >     > to updating to virt-preview.
>> >     >
>> >
>> >     Make sure you restart virt-manager after updating. If after that
>> you can see
>> >     the error in the --debug output but not from the UI, please file a
>> bug and
>> >     make sure to mention your virt-manager version.
>> >
>> >
>> > The setting intel_iommu is enabled.  I was able to get the Intel i350
>> cards
>> > setup with SR-IOV.  The DMAR and IOMMU items show up fine.
>> >
>>
>> Are there any dmesg messages about vfio? The module was autoloaded for me
>> on
>> f19, that lack of autoload coupled with the libvirt error make me think
>> something is weird with your hardware, or at least the kernel thinks so.
>>
>> Regardless, please file a libvirt bug so we can track this.
>>
>
> I'm not seeing any error messages in dmesg when attempting to start.  When
> I do modprobe vfio-pci I do see:
> VFIO - User Level meta-driver version: 0.3
>
> It wouldn't suprise me if it was a hardware problem.  The motherboard is a
> SuperMicro X9DRD-iF with a version 1.0 firmware.  I've seen some flakiness
> with another SuperMicro motherboard when intel_iommu=on is set.
>
>

I upgraded the firmware, no change.  I added two bug reports.
https://bugzilla.redhat.com/show_bug.cgi?id=1020326
https://bugzilla.redhat.com/show_bug.cgi?id=1020336
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