PoS testing: "lumpy" chain
Summary
Uneven block production. Sometimes the chain "freezes" for several minutes, sometimes up to an hour.
Steps to reproduce
No specific steps known. It just happens from time to time, more often than it should.
Expected behavior
Smooth block production on average once a minute.
Problematic behavior
Lumpy block production. Sometimes the chain "freezes" for several minutes, sometimes up to an hour.
Crown-core environment info
Ubuntu 16.04
Crown-core application info
Crown version v0.12.7.1-2029222a pipeline 873
Relevant logs, dumps and/or screenshots
Drop full logs & dumps here: https://nextcloud.crown.tech/nextcloud/s/znd8HiiAsRX3C6B
Possible fixes
Problem occurred in the straight presstab code so not an integration issue.
/cc @artem
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