The following patch to mlx4_core fixes a problem with 16 or more vCPUs with Hyper-V and guest RDMA is disabled (as is the case with SR-IOV in Azure). Microsoft has smoke tested 16 and 20 CPU cases today.
** Patch added: "0001-net-mlx4_core-Use-cq-quota-in-SRIOV-when-creating-co.patch" https://bugs.launchpad.net/ubuntu/xenial/+source/linux/+bug/1650058/+attachment/4821109/+files/0001-net-mlx4_core-Use-cq-quota-in-SRIOV-when-creating-co.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1650058 Title: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1650058/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs