[Bug 2129005] Re: tc class show dev change of behavior for values of burst and cburst

[Andreas Hasenack]

Hello Frode, or anyone else affected,

Accepted openvswitch into questing-proposed. The package will build now
and be available at
https://launchpad.net/ubuntu/+source/openvswitch/3.6.0-2ubuntu0.1 in a
few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
questing to verification-done-questing. If it does not fix the bug for
you, please add a comment stating that, and change the tag to
verification-failed-questing. In either case, without details of your
testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Tags added: verification-needed verification-needed-questing

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https://bugs.launchpad.net/bugs/2129005

Title:
  tc class show dev change of behavior for values of burst and cburst

Status in iproute2 package in Ubuntu:
  New
Status in openvswitch package in Ubuntu:
  Fix Committed
Status in ovn package in Ubuntu:
  Fix Committed
Status in openvswitch source package in Jammy:
  New
Status in openvswitch source package in Noble:
  New
Status in openvswitch source package in Questing:
  Fix Committed
Status in openvswitch source package in Resolute:
  Fix Committed

Bug description:
  [Impact]
  Patches on iproute2 changed the rounding math for the burst parameter and this made openvswitch autopkgtests fail as they expect specific values for the burst parameter.
  A patch for iproute2 is being backported in LP #2125448 that includes this behavior change and autopkgtests are failing because of this issue.

  [Test Plan]
  Running openvswitch autopkgtests without this patch should fail with the updated version of iproute2. After applying this patch tests should run successfully.
  The tests have to be run using qemu as it needs full virtualization. For this first an image has to be created using:

  # autopkgtest-buildvm-ubuntu-cloud -r <release>

  That should create an image file called
  autopkgtest-<release>-amd64.img

  Then, assuming that the openvswitch version to test is downloaded on
  the openvswitch folder, the test is run by this command:

  # autopkgtest openvswitch/ -U -- qemu autopkgtest-<release>-amd64.img

  To test with the iproute2 package in proposed from LP #2125448 the
  command should be:

  # autopkgtest openvswitch/ -U --apt-pocket=proposed=src:iproute2 --
  qemu autopkgtest-<release>-amd64.img

  [Where problems could occur]
  The change in the tests makes them less restrictive with respect to the exact value of the burst parameter so every test that passed the previous tests should still pass them after the update

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