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|ID||Project||Category||View Status||Date Submitted||Last Update|
|0009109||Dwarf Fortress||General||public||2015-11-02 15:20||2018-06-02 10:54|
|Assigned To||Toady One|
|Priority||high||Severity||major||Reproducibility||unable to reproduce|
|Platform||OS||Windows 7||OS Version|
|Target Version||Fixed in Version||0.44.11|
|Summary||0009109: Massive stutter every few seconds|
|Description||A few months back(in-game) the game started to stutter really badly. Every few seconds or so, it will freeze for .5-2 seconds. Renders it unplayable in the long run.|
|Steps To Reproduce||Load and let saved game run.|
|Additional Information||Was unable to reproduce due to saving over the pre-stutter game, but it was running nice and smooth before despite 100+ dwarve and dozens of animals. 5x5 embark, not unretired. |
Attempted to fix stutter by using tools available in dfhack; revealed entire map, including hell(but didn't let demons spawn), killed every single creature except one dwarf, unrevealed map, still stutters. Used clean and various other tools, including deleting dumps, without effect.
Merchants and current creatures(cept the one dwarf) on map are post-extermination arrivals and thus unrelated.
|Tags||No tags attached.|
|What happens if you run the game without any utilities?|
|Just disabled DFHack to confirm, still identical symptoms when loading the game.|
|This save has non-layer-stone floors, which were removed early in the v0.40 branch. I don't think the floors are the cause of the problem, just an indication that there's something odd with the save.|
Ah right, that was just an old modification using DFHack's vein-change function, since I needed some iron for armor at the time. Another modification is in the create world params to increase map depth, but those two should be all. Don't think they're related given that it was running for years without problems before the stuttering started.
There are a few things I remember that could be related; A dwarf was in a fight in a cave, was knocked unconciouss into the water where he drowned shortly after. A penned animal got scared by an attacker in the same cave, fell off a ledge and landed on the second floor of a water-based tree. Finally, some dwarf complained for a while about being unable to feed someone/something due to inaccessibility; could have been trying to feed the drowning dwarf(or the animal stuck in the tree?), I didn't look over it at the time.
All three events happened at around the time the stuttering started, but all three were also resolved(dwarf and animal died, feeding cancellations stopped) without fixing the issue, the relevant remains were all forbidden. And if this was a pathfinding issue I'd have expected it to stop when I exterminated all the creatures anyway.
|v0.44.04: confirmed save still stutters|
Toady One (administrator)
|This seems to be coming from a vegetation connectivity check. I haven't fully figured it out yet, perhaps that tangle of underground trees growing. I have confirmed that every stutter here comes from the connectivity map being fully recalculated after the vegetation triggers it. Now I'll see if it is easily fixable.|
"I also fixed the vegetation lag; if your fort was having a little hiccup every, say, five seconds, it'll possibly be cleaned up for next time."
|2015-11-02 15:20||Tudori||New Issue|
|2015-11-02 15:28||lethosor||Note Added: 0033148|
|2015-11-02 16:06||Tudori||Note Added: 0033149|
|2015-11-07 08:56||Loci||Note Added: 0033157|
|2015-11-07 10:18||Tudori||Note Added: 0033158|
|2017-12-21 19:21||lethosor||Relationship added||related to 0010459|
|2017-12-21 19:26||lethosor||Relationship added||related to 0010444|
|2017-12-21 19:31||lethosor||Relationship added||related to 0009554|
|2018-01-11 13:14||Loci||Note Added: 0037583|
|2018-01-11 13:14||Loci||Assigned To||=> Loci|
|2018-01-11 13:14||Loci||Status||new => confirmed|
|2018-04-16 18:10||Huntthetroll||Issue Monitored: Huntthetroll|
|2018-05-11 19:52||Toady One||Note Added: 0038321|
|2018-05-25 11:55||lethosor||Relationship replaced||has duplicate 0009554|
|2018-06-02 10:54||Loci||Note Added: 0038422|
|2018-06-02 10:54||Loci||Status||confirmed => resolved|
|2018-06-02 10:54||Loci||Fixed in Version||=> Next Version|
|2018-06-02 10:54||Loci||Resolution||open => fixed|
|2018-06-02 10:54||Loci||Assigned To||Loci => Toady One|
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