** Changed in: linux (Ubuntu Groovy)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Groovy)
Status: Incomplete => In Progress
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https://bugs.launchpad.net/bugs/1921769
Title:
Backport mlx5e fix for tunnel offload
Status in linux package in Ubuntu:
Incomplete
Status in linux-azure package in Ubuntu:
Confirmed
Status in linux source package in Bionic:
Confirmed
Status in linux-azure source package in Bionic:
In Progress
Status in linux source package in Focal:
Fix Committed
Status in linux-azure source package in Focal:
In Progress
Status in linux source package in Groovy:
In Progress
Status in linux-azure source package in Groovy:
Confirmed
Status in linux source package in Hirsute:
Incomplete
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
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