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IDProjectCategoryView StatusDate SubmittedLast Update
0010888Dwarf FortressPathfindingpublic2018-09-01 11:502018-09-19 13:18
Assigned ToLoci 
PlatformOSOS Version
Product Version0.44.12 
Target VersionFixed in Version 
Summary0010888: Severe lag due to bugbat pathing through pet-impassable door
DescriptionWhen the game is paused, it acts normal, but when i unpause the game, FPS drops to <1 for some reason. Also dwarfs are trying to store some mystery item that i haven't discovered yet.
Steps To Reproduce!!save file!!
Additional InformationI used "drain-aquifer" command, and ressurected several dwarves through DFHack.
Don't know if that matters or not.

Save file: [^]
TagsNo tags attached.
Attached Files

- Relationships
duplicate of 0000797confirmedFootkerchief Animals/pets repeatedly try to find path through pet-locked/"tightly closed" doors, causing lag 

-  Notes
aids_spreader (reporter)
2018-09-04 01:07

So i revealed the map and found out that underground troglodytes and serpent men are having a war. My dwarves were trying to store their weapons and corpses. I don't think the "drain-aquifer" command caused dwarves to act strange. Though i still can't figure out what causes game to lag.
PatrikLundell (reporter)
2018-09-04 02:28

It's probably a known issue. DF detect things in the revealed parts of the cavern that is scheduled for hauling (although that wouldn't be a mystery item), but pathing fails because there isn't a reveled path to the item (but there is a path, or the item would not be scheduled for hauling).
Now your case is somewhat different in that the items aren't visible, but it's probably the same issue at the heart of it.

Unless you've changed the default settings, the items carried would be automatically forbidden when the units were killed, but the corpse would not. You may want to try to look in your stocks screen and forbid all the corpse parts that are likely to be from cavern critters (and their inventories, if you've changed the settings to not forbid those when dropped).

Sending militia to map the cavern (and thus reveal paths to the items) would allow your dorfs to risk their lives collecting garbage from the cavern.
aids_spreader (reporter)
2018-09-04 06:24
edited on: 2018-09-04 06:28

After three hours of searching for a reason of lags, i found it. BUGBAT. I think bugbat just unsuccesfully tries to fly through the wall. When i kill it via DFhack, the game goes back to normal. The problem is solved, but bug still exists.

Loci (manager)
2018-09-19 13:16

You can identify the "mystery items" by using "view job" on the jobs screen.

- Issue History
Date Modified Username Field Change
2018-09-01 11:50 aids_spreader New Issue
2018-09-04 01:07 aids_spreader Note Added: 0038776
2018-09-04 02:28 PatrikLundell Note Added: 0038778
2018-09-04 06:24 aids_spreader Note Added: 0038779
2018-09-04 06:24 aids_spreader Note Edited: 0038779 View Revisions
2018-09-04 06:28 aids_spreader Note Edited: 0038779 View Revisions
2018-09-19 13:16 Loci Note Added: 0038816
2018-09-19 13:16 Loci Severity block => major
2018-09-19 13:16 Loci Status new => confirmed
2018-09-19 13:16 Loci Category General => Pathfinding
2018-09-19 13:16 Loci Summary Game freezes, and some mystery item => Severe lag due to bugbat pathing through pet-impassable door
2018-09-19 13:18 Loci Relationship added duplicate of 0000797
2018-09-19 13:18 Loci Status confirmed => resolved
2018-09-19 13:18 Loci Resolution open => duplicate
2018-09-19 13:18 Loci Assigned To => Loci

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