This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1922472 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Tags added: focal -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1922472 Title: Ubuntu 20.04, mlx5 driver - CQE with err creating geneve tunnel in a VF Status in linux package in Ubuntu: Incomplete Bug description: [Impact] On mlx5 device, When creating geneve tunnel in a Virtual Function and setting it up error are logged in kernel buffer. [test case] using two setups connected back to back on both sides create vf's $ echo 1 > /sys/class/net/ens5f0/device/sriov_numvfs add ip-es to vf's interfaces on both sides (13.194.5.1/16, 13.194.6.1/16) $ ip a add 13.194.5.1/16 dev ens5f0v0 set interfaces on both sides up $ ip l set dev ens5f0v0 up check connectivity $ ping 13.194.6.1 -I 13.194.5.1 -c 6 on both sides define geneve tunnel with id 300 over the vf-s $ ip link add name gen_vf type geneve id 300 remote 13.194.6.1 add ip addresses to geneve interfaces on both sides (14.194.5.1/16, 14.194.6.1/16) $ ip a add 14.194.5.1/16 dev gen_vf set geneve interfaces up $ ip l set dev gen_vf up check log $ dmesg [ 1221.501048] mlx5_core 0000:24:00.2 ens5f0v0: Error cqe on cqn 0x48a, ci 0x9, sqn 0x116, opcode 0xd, syndrome 0x2, vendor syndrome 0x68 [ 1221.501179] 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 1221.501183] 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 1221.501185] 00000020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 1221.501188] 00000030: 00 00 00 00 6a 10 68 02 0a 00 01 16 00 09 20 d2 [ 1221.501240] mlx5_core 0000:24:00.2 ens5f0v0: ERR CQE on SQ: 0x116 [ 1222.930608] mlx5_core 0000:24:00.2 ens5f0v0: Error cqe on cqn 0x48e, ci 0x5, sqn 0x11b, opcode 0xd, syndrome 0x2, vendor syndrome 0x68 [ 1222.930733] 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 1222.930736] 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 1222.930739] 00000020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 1222.930741] 00000030: 00 00 00 00 6a 10 68 02 0a 00 01 1b 00 05 2d d2 [ 1222.930791] mlx5_core 0000:24:00.2 ens5f0v0: ERR CQE on SQ: 0x11b [Fix] The issue was solved upstream v5.12-rc1 with e1c3940c6003 net/mlx5e: Check tunnel offload is required before setting SWP The attached patch is modification of e1c3940c6003 for focal kernel. [Regression Potential] Regression risk is low as It is a very small fix which was also tested thoroughly on upstream setups. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1922472/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp