This bug affects all kernels from v5.2 to v5.11
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-azure (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Hirsute)
Importance: Undecided
Status: New
** Also affects: linux-azure (Ubuntu Hirsute)
Importance: Undecided
Status: Confirmed
** Also affects: linux (Ubuntu Groovy)
Importance: Undecided
Status: New
** Also affects: linux-azure (Ubuntu Groovy)
Importance: Undecided
Status: New
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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 Focal:
Incomplete
Status in linux-azure source package in Focal:
New
Status in linux source package in Groovy:
Incomplete
Status in linux-azure source package in Groovy:
New
Status in linux source package in Hirsute:
Incomplete
Status in linux-azure source package in Hirsute:
Confirmed
Bug description:
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.
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