Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2104134
Title:
ovs/linuxbridge jobs running on ubuntu noble broken with latest kernel
6.8.0-56.58
Status in neutron:
New
Status in linux package in Ubuntu:
Confirmed
Bug description:
A commit[1] got backported to ubuntu noble kernel[2] which had an issue, Fix
is already available[3] in build[4] but not yet released. So all our
ovs/linuxbridge/fullstack/functional jobs running on ubuntu noble are impacted.
Master, 2025.1 or any releases running ovs jobs on noble are impacted.
Errors like below can be seen in these jobs
Mar 25 09:31:52.485392 np0040258543 neutron-l3-agent[62960]: ERROR
neutron.agent.l3.agent # Completed by iptables_manager
Mar 25 09:31:52.485392 np0040258543 neutron-l3-agent[62960]: ERROR
neutron.agent.l3.agent ; Stdout: ; Stderr: Warning: Extension MARK revision 0
not supported, missing kernel module?
Mar 25 09:31:52.485392 np0040258543 neutron-l3-agent[62960]: ERROR
neutron.agent.l3.agent ip6tables-restore v1.8.10 (nf_tables): unknown option
"--set-xmark"
Mar 25 09:31:52.485392 np0040258543 neutron-l3-agent[62960]: ERROR
neutron.agent.l3.agent Error occurred at line: 28
Mar 25 09:31:52.485392 np0040258543 neutron-l3-agent[62960]: ERROR
neutron.agent.l3.agent Try `ip6tables-restore -h' or 'ip6tables-restore --help'
for more information.
example failures:-
https://c00e7c7cf4b62bf664e8-ab9cdbb0aa9d61bf3167c27c9fa17003.ssl.cf1.rackcdn.com/openstack/fca5ab13dc674574953941a6e09eb935/testr_results.html
https://cf3ed66a65616b206bcc-d1906ed32ef7c4deba2ba4dd3d406176.ssl.cf1.rackcdn.com/openstack/071c7b51c1d448348e6e5dd4da8f4c9c/testr_results.html
https://storage.gra.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_f60/openstack/f607cb89924e40019d37a617c6b009e8/testr_results.html
Until the new kernel with fix is released we need to remove the broken
noble images and pause new builds like it was done in past for same
issue in jammy
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2091990/comments/3
[1]
https://github.com/torvalds/linux/commit/0bfcb7b71e735560077a42847f69597ec7dcc326
[2] https://bugs.launchpad.net/kernel-sru-workflow/+bug/2098244
[3]
https://github.com/torvalds/linux/commit/306ed1728e8438caed30332e1ab46b28c25fe3d8
[4] https://bugs.launchpad.net/kernel-sru-workflow/+bug/2102529
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