I found this bug listed in a doc for a customer environment running
Bionic, as something that was affecting them as well and for which we
were waiting for a fix. I noticed today that this bug is only marked
for focal and groovy.
Is there a reason for this to be only focal and newer, or is it
This bug was fixed in the package linux - 5.4.0-67.75
---
linux (5.4.0-67.75) focal; urgency=medium
* focal/linux: 5.4.0-67.75 -proposed tracker (LP: #1916169)
* Please trust Canonical Livepatch Service kmod signing key (LP: #1898716)
- [Config] enable CONFIG_MODVERSIONS=y
This bug was fixed in the package linux - 5.8.0-45.51
---
linux (5.8.0-45.51) groovy; urgency=medium
* groovy/linux: 5.8.0-45.51 -proposed tracker (LP: #1916143)
* Please trust Canonical Livepatch Service kmod signing key (LP: #1898716)
- [Config] enable CONFIG_MODVERSIONS=y
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-
focal' to 'verification-done-focal'. If the problem still exists, change
the tag
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
** Changed in: linux (Ubuntu Focal)
Status: In Progress => Fix Committed
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Title:
geneve overlay network on vlan interface broken with
** Changed in: linux (Ubuntu Focal)
Status: Triaged => In Progress
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Title:
geneve overlay network on vlan interface broken with offload
** Changed in: linux (Ubuntu Focal)
Importance: High => Medium
** Changed in: linux (Ubuntu Focal)
Status: New => Triaged
** Changed in: linux (Ubuntu Focal)
Assignee: (unassigned) => Stefan Bader (smb)
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Please can this be considered for Linux 5.4 as well.
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Focal)
Importance: Medium => High
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** Changed in: linux (Ubuntu Groovy)
Status: In Progress => Fix Committed
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Title:
geneve overlay network on vlan interface broken with
** Description changed:
+ [SRU Justification]
+
+ Impact: In upstream v5.2 geneve tunnel stateless offload support was
+ added to the mlx5 driver. This had some issue with VLANs where the VLAN
+ ID was set by the driver even when offload support was enabled.
+
+ Fix: Upstream (v5.11-rc3) commit
Thanks for the feedback Frode. Just to explain further modifications to
this bug report. For SRU this will be targeted at the 20.10/Groovy 5.8
kernel. When it lands there it will automatically be included in the
next 20.04/Focal HWE kernel.
The patch comes from upstream v5.11-rc3, so it should be
Hello Stefan,
Thank you so much for providing backport+built kernel at such short
notice.
We can confirm that by using this kernel in a machine with a Mellanox
Connect-X 5 card in legacy-mode, we can leverage Stateless offload of
Geneve tunnel packets sent over a VLAN interface.
Cheers!
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** Tags added: patch
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Title:
geneve overlay network on vlan interface broken with offload enabled
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I just uploaded a test kernel to
https://launchpad.net/~smb/+archive/ubuntu/focal (currently building)
with a backport of the suggested patch. The 5.8 code seems to differ
from latest upstream quite a bit. Instead of several places which get
adapted upstream there is basically only one caller that
** Tags added: ps5
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Title:
geneve overlay network on vlan interface broken with offload enabled
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