<div dir="ltr">azureuser@dpdk0:~$ ethtool -i enP47056s2 driver: mlx5_core version: 5.15.0-1053-azure firmware-version: 16.30.1284 (MSF0000000012) expansion-rom-version: bus-info: b7d0:00:02.0 I also installed rdma-core/libibverbs1 (dpdk was compiled with ibverbs_link=shared) azureuser@dpdk0:~$ apt-cache policy rdma-core rdma-core: Installed: 28.0-1ubuntu1 azureuser@dpdk0:~$ apt-cache policy libibverbs1 libibverbs1: Installed: 28.0-1ubuntu1 </div> <div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jan 23, 2024 at 6:32 PM Stephen Hemminger <<a href="mailto:stephen@networkplumber.org">stephen@networkplumber.org</a>> wrote: </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On Tue, 23 Jan 2024 14:34:12 +0200 Oleksandr Nahnybida <<a href="mailto:oleksandrn@interfacemasters.com" target="_blank">oleksandrn@interfacemasters.com</a>> wrote: > Hello, > > I am trying to set up dpdk with netvsc as master pmd on Azure following > <a href="https://learn.microsoft.com/en-us/azure/virtual-network/setup-dpdk?tabs=ubuntu" rel="noreferrer" target="_blank">https://learn.microsoft.com/en-us/azure/virtual-network/setup-dpdk?tabs=ubuntu</a> > and > <a href="https://doc.dpdk.org/guides-22.11/nics/netvsc.html" rel="noreferrer" target="_blank">https://doc.dpdk.org/guides-22.11/nics/netvsc.html</a> > > but I have the following error messages > > EAL: VFIO support initialized > EAL: Probe PCI driver: mlx5_pci (15b3:1018) device: 8565:00:02.0 (socket 0) > mlx5_net: DV flow is not supported. > mlx5_common: Failed to allocate DevX UAR (BF/NC) > mlx5_common: Failed to allocate UAR. > mlx5_net: Failed to prepare Tx DevX UAR. > mlx5_net: probe of PCI device 8565:00:02.0 aborted after encountering an > error: Operation not permitted > mlx5_common: Failed to load driver mlx5_eth > EAL: Requested device 8565:00:02.0 cannot be used > EAL: Probe PCI driver: mlx5_pci (15b3:1018) device: d377:00:02.0 (socket 0) > mlx5_net: DV flow is not supported. > mlx5_common: Failed to allocate DevX UAR (BF/NC) > mlx5_common: Failed to allocate UAR. > mlx5_net: Failed to prepare Tx DevX UAR. > mlx5_net: probe of PCI device d377:00:02.0 aborted after encountering an > error: Operation not permitted > mlx5_common: Failed to load driver mlx5_eth > EAL: Requested device d377:00:02.0 cannot be used > EAL: Probe PCI driver: mlx5_pci (15b3:1018) device: f97e:00:02.0 (socket 0) > mlx5_net: DV flow is not supported. > mlx5_common: Failed to allocate DevX UAR (BF/NC) > mlx5_common: Failed to allocate UAR. > mlx5_net: Failed to prepare Tx DevX UAR. > mlx5_net: probe of PCI device f97e:00:02.0 aborted after encountering an > error: Operation not permitted > mlx5_common: Failed to load driver mlx5_eth > EAL: Requested device f97e:00:02.0 cannot be used > EAL: Bus (pci) probe failed. > hn_vf_attach(): Couldn't find port for VF > hn_vf_add(): RNDIS reports VF but device not found, retrying > hn_vf_attach(): Couldn't find port for VF > hn_vf_add(): RNDIS reports VF but device not found, retrying > and so on in a loop > > Also, with debug logs I see > > mlx5_common: DevX read access NIC register=0X9055 failed errno=22 status=0 > syndrome=0 > mlx5_common: DevX read access NIC register=0X9055 failed errno=22 status=0 > syndrome=0 > mlx5_common: DevX read access NIC register=0X9055 failed errno=22 status=0 > syndrome=0 > > > The DPDK version is 22.11, running on > Linux dpdk0 5.15.0-1053-azure #61~20.04.1-Ubuntu > VM type D8ls v5, accelerated networking is on for two ports > > driverctl -b vmbus list-devices > > 000d3a1c-e0df-000d-3a1c-e0df000d3a1c hv_netvsc > 000d3a1e-4573-000d-3a1e-4573000d3a1e uio_hv_generic [*] > 000d3a1e-47da-000d-3a1e-47da000d3a1e uio_hv_generic [*] > > > Any, ideas what I might be doing wrong? I see the same behavior with > testpmd and my app. Looks like a mlx5 driver issue, which kernel driver are you using? The netvsc code sees a VF but can't use it because of the mlx5 errors. </blockquote></div>