Debugging-HOWTO? (Spring/Recoil hangs up when loading third mission of the campaign)

[allentiak]

SUMMARY

Spring/Recoil hangs up when loading the third mission of the Campaign is at 99%.
(See attached logs.)

This happens with the game/engine combination "zk:stable"/"2025.04.11" (the default values for the game).

1. I would like some help so I can debug this.
   In the meantime, I share what I've done so far and the relevant logs.

2. BTW: Could you please consider adding concrete examples for different version of either and both game/engine versions?

Thank you in advance for your help on this!

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My idea is to try to reproduce the bug in all possible combinations of both the game's and Recoil's versions.
I have looked into the wiki for a way to do this, but I wasn't able to find any page for this.

I've found this command line message, but it's not easy to follow.

% mono ./Zero-K.exe --help   
Zero-K.exe [rapid_tag] [engine_override] 

Use zkmenu:stable or chobby:test
To run local dev version use Zero-K.exe dev

So far, I've tried the following:

% mono ./Zero-K.exe # "vanilla" (the one that hangs up)
Log: infolog.vanilla.txt

% mono ./Zero-K.exe chobby:test 2025.06.12 # Cannot download engine version 2025.06.12

% mono ./Zero-K.exe chobby:test 2025.04.11 # I only get a black window.
Log: infolog.chobby.test.2025.04.11.txt

% mono ./Zero-K.exe zk:stable # I get an engine with the background of a beach, but don't know what to do to actually load the game

% mono ./Zero-K.exe zk:stable 2025.04.11 # Same as above

Screenshot:

[GoogleFrog]

The first infolog looks good. It looks like an issue somewhere in the engine/AI/driver space though, so the engine developers would know best. I'll inform them.

[allentiak]

Thanks for the quick reply!

It looks like an issue somewhere in the engine/AI/driver space

Yeap, that's exactly what I meant.

the engine developers would know best. I'll inform them.

Thanks again. That being said, it could be nice if I could have a practical way to locally reproduce this with different game/engine combinations. Additionally, this would be useful to help not only now, but also if/when something like this happens again in the future (please, refer to the original message for details).

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