On Sun, 18 Apr 2021 17:51:09 +0530 madhukar mythri <[email protected]> wrote:
> Hi, > > When we tried to launch a DPDK app on Azure VM with 2-queues, > seeing following errors and thus we are not able to receive any traffic > on these NIC ports(MLX5). > On Azure VM, using "net_failsafe" PMD. > > ======================= > PORT 0 Max supports 16 rx queues and 16 tx queues (driver_name = > net_failsafe, driver_type = 16) > PORT 0 is polling for link-change, interrupts disabled > *rss_add_actions(): Failed to load BPF section l3_l4 (11): Resource > temporarily unavailable* > net_failsafe: Failed to create flow on sub_device 1 > add_flow(): create() fails for port 0; Reason: action not supported > =================== > > This issue is seen with 2-queues only, whereas with 4-queues we are not > seeing this issue. > > Does anybody faced similar issue and if any solution/work-around please let > me know. > > DPDK version: 20.11 > With RHEL: 7.9 version. > > Thanks, > Madhukar. If you are using failsafe, make sure that you have the Mellanox drivers enabled in your DPDK build, also TAP device. You need to build with rdma-core version 23 or later, and you need to have the kernel modules for flower, multiq, and TAP. Turn on full DPDK logging and check the kernel log (dmesg).
