[ovs-dev] OVS+DPDK: Requested device 0000:01:00.0 cannot be used

[Ilya Maximets]

Yet another workaround: Disable all ports but one on each NIC.

On 27.09.2016 15:18, Ilya Maximets wrote:
>> 3. IOMMU support
>>  /sys/kernel/iommu_groups/12/devices/0000:01:00.0
>> /sys/kernel/iommu_groups/12/devices/0000:01:00.1
>> /sys/kernel/iommu_groups/9/devices/0000:06:00.0
>> /sys/kernel/iommu_groups/9/devices/0000:06:00.1
> 
> It's all because ports of your NICs are in the same iommu groups.
> You need to patch your kernel to fix this behaviour or get another kernel.
> Also, you may try to use UIO driver instead.
> 
> Best regards, Ilya Maximets.
>