[MC-186637] Basalt forms infinitely towards negative X

The bug

In a superflat world with soul soil, lava, and blue ice, replacing one blue ice block will cause all the generators to update. They will form in a straight line, preferring negative X, infinitely. The basalt for each generator forms at the same time, causing massive amounts of server lag. The updates are only stopped by unloaded chunks (not the worldborder, unlike cobblestone generators) and cause a recursive stacktrace to be printed.

Linked issues

duplicates 1

MC-1510 Custom superflat world crashes when certain block type is chosen Resolved

Attachments

basaltcrash.txt

Comments 2

Arisa Bot 2020-05-31T01:29:13Z

Thank you for your report!
We're tracking this issue in MC-1510, so this ticket is being resolved and linked as a duplicate.

If you would like to add a vote and any extra information to the main ticket it would be appreciated.

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haykam 2020-05-31T01:39:34Z

I disagree with this being a duplicate. The problem mainly lies in the fact that basalt generation isn’t dictated by something like fluid flow. Superflat generation is just one way to produce this bug, but simply having a non-updated row of basalt generators could cause this.