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[stable2409] Backport #6690#6799

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EgorPopelyaev merged 1 commit intostable2409from
backport-6690-to-stable2409
Dec 10, 2024
Merged

[stable2409] Backport #6690#6799
EgorPopelyaev merged 1 commit intostable2409from
backport-6690-to-stable2409

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Backport #6690 into stable2409 from alexggh.

See the documentation on how to use this bot.

…6690)

After finality started lagging on kusama around 025-11-25 15:55:40
validators started seeing ocassionally this log, when importing votes
covering more than one assignment.
```
Possible bug: Vote import failed
```

That happens because the assumption that assignments from the same
validator would have the same required routing doesn't hold after you
enabled aggression, so you might end up receiving the first assignment
then you modify the routing for it in `enable_aggression` then your
receive the second assignment and the vote covering both assignments, so
the rouing for the first and second assingment wouldn't match and we
would fail to import the vote.

From the logs I've seen, I don't think this is the reason the network
didn't fully recover until the failsafe kicked it, because the votes had
been already imported in approval-voting before this error.

---------

Signed-off-by: Alexandru Gheorghe <[email protected]>
(cherry picked from commit da95345)
@github-actions github-actions bot added the A3-backport Pull request is already reviewed well in another branch. label Dec 9, 2024
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github-actions bot commented Dec 9, 2024

This pull request is amending an existing release. Please proceed with extreme caution,
as to not impact downstream teams that rely on the stability of it. Some things to consider:

  • Backports are only for 'patch' or 'minor' changes. No 'major' or other breaking change.
  • Should be a legit fix for some bug, not adding tons of new features.
  • Must either be already audited or not need an audit.
Emergency Bypass

If you really need to bypass this check: add validate: false to each crate
in the Prdoc where a breaking change is introduced. This will release a new major
version of that crate and all its reverse dependencies and basically break the release.

@alexggh alexggh requested review from AndreiEres, alindima, ordian and sandreim and removed request for ordian December 9, 2024 15:42
@alexggh alexggh enabled auto-merge (squash) December 10, 2024 09:46
@EgorPopelyaev EgorPopelyaev merged commit a4083bf into stable2409 Dec 10, 2024
@EgorPopelyaev EgorPopelyaev deleted the backport-6690-to-stable2409 branch December 10, 2024 12:51
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