[Xen-devel] Problem about SRIOV and the vCpu number

[topperxin <topperxin@xxxxxxx>]

Hi list

           I'm using Intel 82599 NIC for the SRIOV function. 

          At the same time, I would like to assign more vCpu to the VM who already configured SRIOV NIC.

          My host platform has 32 physical CPUs. and xenserver 6.2

          What make me curious is when the vcpu number is less 15, all the things work well.

          While when the vcpu number assigned to the VM more than 15, such as 20, the VM can not work normally.

          Anyone who have ever met this problem? Is it same on XEN?

          

          Any replies are welcome, thanks a lot.

          Lixin. 

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