This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- groovy' to 'verification-done-groovy'. If the problem still exists, change the tag 'verification-needed-groovy' to 'verification-failed- groovy'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-groovy -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-azure in Ubuntu. https://bugs.launchpad.net/bugs/1921769 Title: Backport mlx5e fix for tunnel offload Status in linux package in Ubuntu: Fix Released Status in linux-azure package in Ubuntu: Confirmed Status in linux source package in Bionic: Invalid Status in linux-azure source package in Bionic: Invalid Status in linux source package in Focal: Fix Released Status in linux-azure source package in Focal: Fix Released Status in linux source package in Groovy: Fix Committed Status in linux-azure source package in Groovy: Confirmed Status in linux source package in Hirsute: Fix Released Status in linux-azure source package in Hirsute: Confirmed Bug description: [SRU Justification] We've discovered an issue on Ubuntu 20.04 when used with Kubernetes CNIs that perform offloading using Geneve that causes the kernel to panic on Azure instances with accelerated networking with the following errors: [ 307.561223] mlx5_core 0001:00:02.0 enP1s1: Error cqe on cqn 0x200, ci 0x3d4, sqn 0x2c5, opcode 0xd, syndrome 0x2, vendor syndrome 0x68 [ 307.573864] mlx5_core 0001:00:02.0 enP1s1: ERR CQE on SQ: 0x2c5 [ 307.764902] mlx5_core 0001:00:02.0 enP1s1: Error cqe on cqn 0x200, ci 0x3d7, sqn 0x2c5, opcode 0xd, syndrome 0x2, vendor syndrome 0x68 [ 307.777332] mlx5_core 0001:00:02.0 enP1s1: ERR CQE on SQ: 0x2c5 [ 322.814393] mlx5_core 0001:00:02.0 enP1s1: Error cqe on cqn 0x218, ci 0x1a7, sqn 0x2bd, opcode 0xd, syndrome 0x2, vendor syndrome 0x68 [ 322.826685] mlx5_core 0001:00:02.0 enP1s1: ERR CQE on SQ: 0x2bd NVIDIA fixed this issue in https://github.com/torvalds/linux/commit/5ccc0ecda9e8a67add654d93d7e0ac4346c0fa22 , so we're looking to have this backported to at least the linux-azure package. [Test Plan] Spin up a Kubernetes CNI that uses Geneve offloading [Where problems could occur] Its possible some traffic won't get geneve acceleration. This patch has been backported to v5.10.y and v5.11.y To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1921769/+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
