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|ID||Project||Category||View Status||Date Submitted||Last Update|
|0000051||Dwarf Fortress||Cave-ins||public||2010-04-01 17:11||2012-03-07 20:27|
|Target Version||Fixed in Version|
|Summary||0000051: Cavern collapse at embark|
|Description||Embarked and a loose section near the magma pipe was unsupported.|
|Steps To Reproduce||Seeds from the game log:|
Generating world using parameter set SMALLER REGION
History Seed: 2811299488
Name Seed: 3374574052
Creature Seed: 3625186708
** Starting New Outpost **
A section of the cavern has collapsed!
I embarked on the only volcano on the map, putting it in the lower left of a 3x3 embark. Initial view should put you very close to it.
|Additional Information||(As a second bug: the wagon spawned on a peak of rock too small for it and deconstructed? Though it appears I did get all my stuff at least)|
|Tags||cave-in, collapse, Save Included|
I can confirm the wagon thing, happened to me too. Nothing missing, but the entire party was crowded in a very tight spot with all the stuff.
Not sure how to reproduce, since you start off a random spot though.
The wagon thing is pretty old - see http://www.bay12games.com/forum/index.php?topic=20883.0 [^] - but I don't think anyone reported it as a bug.
Did the volcano collapsing cause any other issues? There have been general issues in the past few versions with unsupported tiles collapsing at the start of gameplay due to how time and roofing is handled during and after worldgen.
|I can also confirm that I've seen the occasional collapse near a magma pipe in 40d. However with all the new 'stuff' in 2010 there are some new collapse issues as well.|
edited on: 2010-04-06 13:51
I'll had "Cavern Collapse" messages at embark twice so far, with no visible magma pipes on the surface (although I haven't dug down yet).
|i get this one too. it zooms to a spot underground on embark and says cavern colapse.|
|I just ran into the cavern collapse issue on a new fortress, and I don't see a magma pipe either; I have an embark autosave zipped up, along with my worldgen parameters if the time comes where it'll be necessary (generated in 31.01, but I started this fort in 31.02).|
I just got it on an embark (the zoom to location function of the announcements is extremely useful here), so I dug down centering on the location. When I got to the area and it was revealed, I used the zoom to location, and guess what I found.
It was on the edge of a magma pool where there was a floor one z-level above the rim and it centered on a corner of the floor area. In fact, it was an unsuppourted corner.
The cavern collapse happens every time I embark on that spot.
Looks like we found the cause (or at least the main cause) which is the same reason why we sometimes get a collapse at an open magma pipe upon embark. The floor at that spot is a galena floor, but there is no galena nearby on the same z level as the magma pool or a level above (where the floor was). However, at the top z-level of that cavern section (4 z-levels above magma pool surface) part of the wall is galena. Not sure if the ore had anything to do with it. Also, the piece of floor that it was hanging off of is galena too, but thats the only tile of it, the rest of that floor and the area around the magma pool is obsidian (along the edge), mica, granite and the eroded part of a tetrahedrite vein on the same z-level as the pool surface. Makes you wonder how that isolated bit of galena got there...
Fakeedit: I just now noticed a galena vein on the other side of the pipe a z-level above. I guess that explains it.
|Heh, I just had this happen on a map with no surface magma vent. After the initial "a section of cavern has collapsed" message with a zoom to un-revealed rock way down low on the map, I checked my units and saw a deceesed magma man. Guess he was in the wrong spot at just the right time. :)|
|I've had this happen once as well upon embark, on a completely flat map, about 100+ levels down, according to the autofocus pause of the screen. I regret that I failed to note the exact depth, but since that save file is long gone, I doubt the specifics would of helped track down the exact issue, though it did happen after the release of the 31.03 version, so maybe it's related to the cavern generation sizing variables versus the new 7x7 collapse setup? No magma vents, aquafiers, or anything out of the ordinary, just a stream at ground level.|
edited on: 2010-04-27 12:20
Here's a save that has an immediate underground collapse. This is a nice cozy little pocket region, so the save file is nice and small. Be warned that I was testing extreme temperature settings with this world so the play time on this save will be very . . . short.
Warning, looking at this save using reveal contains SPOILERS!!!
|I had a cavern collapse upon embark. Being naturally curious, I dug down to -45. Upon arrival, I witnessed a magma pipe spilling into an underground cavern. The most unusual thing about this was all the cavern trees, happily still growing in 4/7 magma. Note to self, Fungiwood is an amazingly flame-retardant mushroom. After I uncovered it, I kept getting another cavern collapse message that seemed to be 1 tile infinitely smashing into the magma sea, about once every few in game days.|
edited on: 2010-04-27 10:56
oookay... I just had another crazy collapse in one of my hot region experiments. The place is completely uninhabitable with the entire surface of the world burning to death instantly smoke everywhere.
It's also spamming me to death with collapse warnings. every time I try to unpause it allows one frame to pass, throws another collapse warning and pauses again. It's somewhat comical.
I don't want to flood the place with saves, but I stashed a copy in a safe folder, and can produce it upon demand.
>>>Fake Robot -- Trees are still magma safe as far as I can tell, so this is expected behavior.
|Zuber: If you wouldn't mind, since this is in a world you're experimenting in, try using the Reveal Utility (http://magmawiki.com/index.php/DF2010:Utilities [^]) and see what is causing the collapses, and report back here?|
edited on: 2010-04-27 12:11
Oooh, I didn't know we had a trick for making reveal work already. Thankies muchly.
Oddly enough, on closer inspection, the collapse is not subterranean. It's a single tile on the surface. The pesky tile is on the edge of a volcano and it is repeatedly collapsing somehow.
It happens very fast, collapses once every frame.
Alright, that's just too weird, so I went ahead and uploaded it. And it's small anyhow. Here you go.
And since I now have access to reveal again, I revisit my other save to find . . . SPOILERS!!!
This collapse is directly related to a new HFS feature. If you don't want to see spoilers, do not download it, and whatever you do, do not look at it using reveal.
edited on: 2010-04-27 12:58
What's needed for this bug is saves from before embarking at an insta-collapse site, plus screenshots of the embark screen so he knows where to embark. The bug is in the code that generates the local terrain at embark, and that code has already finished running when you do a post-embark save.
|that's trickier, since it automatically destroys that save when you embark... Humm... Any suggestions on how to do this without driving myself insane copying every region folder before embarking in the hopes of reproducing a collapse ?|
that's trickier, since it automatically destroys that save when you embark
Only if you turned on the embark autosave option. Otherwise you can just end the process and re-embark, as long as you remember where.
|um... I do have embark autosave, both of those are the embark autosave files.|
... Well, you've got the save.
All you need to do now is
2. Mark the place on the map where the fortress was using the Reclaim feature
3. Go to Legends mode and export the seed and world generation info
4. Regenerate the world using the seed and world generation information
5. Upload that new world for us!
edited on: 2010-04-27 20:30
>>> Logical2u -- Thank you very much. This process will save me all sorts of sanity.
Okay, It took a bit of time to get this all sorted but I believe I now have both saves updated with the pre-embark saves.
Down in the deep earth some HFS collapses. If you don't want a spoiler, don't download it, and don't look at it with reveal.
This is especially fun. The collapse is a single tile at the edge of a volcano. And it's collapsing repeatedly. It spams a collapse every single frame and just refuses to die. For extra bonus fun, it even continues to collapse on a reclaim of the site.
Assuming I didn't bork anything up both saves are now updated to include both pre and post embark saves and a png illustrating the location on the world map. If there's any problems give me a hollar here. I'll notice sooner or later.
Well, the first one works for me. I'll check the 2nd one later if needed.
Thanks for your work!
|My guess is that most likely the underground caverns. They can get as open as they want, meaning if they were as open as the entire map, or big enough, it will cave in and immediately cause quite a bad collapse. Best to hope it's not where you embarked.|
well, one of my saves basically is from an underground cavern, looking at it it seems like the ramps connecting one level to another cut off a corner of a HFS feature causing a collapse.
The other is stranger, although it might also be cut off by ramping too, it's a single tile at the edge of a volcano, right up at the top.
|Cave-in for me as well. At Embark|
|Happened to me on 0.31.04.|
|I have a fortress currently running in 31.07 in which I will usually get a collapse nearly every time I load the game. The collapse is always deep underground, not always in the exact same location but usually in one region. The collapses occur in the lowermost layers of caverns. Looking at that region I see what appears to be a large number of plants and trees floating in midair, as apparently many of the empty spaces have mud in them and this is causing plants to grow in the empty midair spaces. I'm not sure why the cave-ins are only happening when I load the game and not whenever a floating tree matures.|
|I have had this experience too, but every time I zoom to location the map indicates I am at a level below ground that cannot possibly exist, such as -150. Not sure if this is a seperate bug or part of the same issue.|
I have had this experience too, but every time I zoom to location the map indicates I am at a level below ground that cannot possibly exist, such as -150. Not sure if this is a seperate bug or part of the same issue.
What makes you think it "cannot possibly exist"? The underground goes down much deeper now -- 150 isn't out of the ordinary.
MaDeR Levap (reporter)
|If this was caused by too big cavern to fit in embark area or something similiar, fix for it is simple - just treat border of map as supporting natural preexisting rock. You cannot build anything too close to edge of map anyway.|
How about this big bad one?
A warning though, prepare for MASSIVE lag.
Reminder sent to: smjjames
Re: 0002268:0010692, ~10693, 0000051:0010694
In the future, please pick one (1) location to post your save.
edited on: 2010-07-19 16:04
Sorry, just thought it might be relevant to all three, so I posted in all three places.
Thats what Logical2U suggested when he duplicate closed the report I made.
Edit: After reading 495, I changed my mind since that one involves a much, much bigger collapse.
|I encountered an embark collapse and it also produced an invisible (at the time) underground building named "Untold (☼adamantium short sword☼)".|
edited on: 2010-07-29 06:20
I have 1-tile cave-in at my current embark location. I used reveal and it showed that there is one floor tile that is connected only diagonally to others and is collapsing immediatelly when I enable cave-ins. The tile is 1 level above a magma pipe, not even sure if it is magma pipe at all since it is just a circular magma thing going only 2 levels above the magma sea.
Might provide the save at any moment if needed.
@Sparr: In my search for a good embark area, I've run into cave ins that were revealed to have origionated from next to the demonic fortress several times. Likely related to the same thing that is happening with magma pipes.
@Rafal99: It is a magma pipe, just a tiny one :P . It happens.
|I had one in the current version, but I forget if it was the fort on the volcano or not. At any rate, zoom to black space 15 z-levels down and "A section of the cavern has collapsed!" immediately upon embark.|
Jonathan Conley (reporter)
|I am getting another cavern collapse in un reviled space as well, upon using df revel i am seeing a cavern lake emptying out on top of a magma pipe|
This map has a collapsing cavern system. It collapses spontaneously, without dwarves being in or near it, multiple times per game-year. It is extremely like to collapse after saving/loading as well. Here's a tarball of the region directory right before loading. The cavern collapses upon loading.
This report, its children and relations will need to be verified in the new version based on today's devlog:
"...and what was hopefully the main cause of all those long-standing cave-in-on-embarks."
MaDeR Levap (reporter)
|I think we will have to close these kind of bug reports. Same seed now will produce different world (and I am not talking about preventing detached tiles, but about generating completely different world, where your old site just do not exist), so we will have just to wait for new reports of same thing.|
We've discussed that with Toady: "In general, old saves will still be good because I have the full code from all of the released versions from the last few years, and most of the code doesn't change between versions, so I can still find and fix problems in a relevant fashion."
In other words, save incompatibility won't invalidate all the saves and world gen params that have been posted for existing reports.
edited on: 2012-02-19 11:26
Cavern collapse on embark, lava in the sky! Craziness! Save game is paused so you can look around. Embarking on the same spot replicates the issue.
edit: I did not embark on a volcano.
edit2: I tried embarking on another location nearby and the game just outright crashed. :(
|Time for this old report to be laid to rest. 0005077 probably caused 95% of these problems. Some remaining issues are collected at 0001791.|
|2010-04-01 17:11||Draco18s||New Issue|
|2010-04-02 01:20||Dwarfu||Tag Attached: cave-in|
|2010-04-02 01:20||Dwarfu||Tag Attached: collapse|
|2010-04-03 07:11||Khamero||Note Added: 0000496|
|2010-04-03 07:43||Logical2u||Note Added: 0000507|
|2010-04-03 09:02||Footkerchief||Relationship added||parent of 0000081|
|2010-04-03 09:02||Footkerchief||Relationship added||parent of 0000098|
|2010-04-03 14:16||DoctorZuber||Note Added: 0000658|
|2010-04-05 15:45||Footkerchief||Relationship added||parent of 0000495|
|2010-04-06 00:46||Footkerchief||Relationship added||parent of 0000590|
|2010-04-06 09:40||Footkerchief||Relationship added||parent of 0000633|
|2010-04-06 13:30||Footkerchief||Summary||Volcanoe Cavern Collapse => Cavern collapse at embark (on volcano site)|
|2010-04-06 13:30||Footkerchief||Additional Information Updated||View Revisions|
|2010-04-06 13:30||Footkerchief||Sticky Issue||No => Yes|
|2010-04-06 13:41||Footkerchief||Summary||Cavern collapse at embark (on volcano site) => Cavern collapse at embark|
|2010-04-06 13:49||bevilr||Note Added: 0001574|
|2010-04-06 13:51||bevilr||Note Edited: 0001574||View Revisions|
|2010-04-06 17:14||drakiskier||Note Added: 0001616|
|2010-04-09 04:36||Khym Chanur||Issue Monitored: Khym Chanur|
|2010-04-09 09:06||Footkerchief||Relationship added||parent of 0000864|
|2010-04-11 00:22||ItEndsWithTens||Note Added: 0002739|
|2010-04-20 15:51||smjjames||Note Added: 0004386|
|2010-04-21 08:24||Frewfrux||Note Added: 0004449|
|2010-04-22 10:32||Footkerchief||Relationship added||parent of 0001339|
|2010-04-26 20:24||Thoranius||Note Added: 0005252|
|2010-04-26 22:42||DoctorZuber||Note Added: 0005286|
|2010-04-26 22:43||DoctorZuber||Note Edited: 0005286||View Revisions|
|2010-04-27 03:09||fake_robot||Note Added: 0005316|
|2010-04-27 10:54||DoctorZuber||Note Added: 0005361|
|2010-04-27 10:56||DoctorZuber||Note Edited: 0005361||View Revisions|
|2010-04-27 10:58||Logical2u||Note Added: 0005362|
|2010-04-27 11:43||DoctorZuber||Note Added: 0005366|
|2010-04-27 12:11||DoctorZuber||Note Edited: 0005366||View Revisions|
|2010-04-27 12:19||DoctorZuber||Note Added: 0005369|
|2010-04-27 12:20||DoctorZuber||Note Edited: 0005286||View Revisions|
|2010-04-27 12:57||Footkerchief||Note Added: 0005377|
|2010-04-27 12:57||Footkerchief||Note Edited: 0005377||View Revisions|
|2010-04-27 12:58||Footkerchief||Note Edited: 0005377||View Revisions|
|2010-04-27 12:58||Footkerchief||Note Edited: 0005377||View Revisions|
|2010-04-27 13:51||DoctorZuber||Note Added: 0005392|
|2010-04-27 13:59||Footkerchief||Note Added: 0005396|
|2010-04-27 15:55||DoctorZuber||Note Added: 0005421|
|2010-04-27 16:12||Logical2u||Note Added: 0005424|
|2010-04-27 20:13||DoctorZuber||Note Added: 0005455|
|2010-04-27 20:21||Logical2u||Note Added: 0005456|
|2010-04-27 20:30||DoctorZuber||Note Edited: 0005455||View Revisions|
|2010-04-28 14:01||Footkerchief||Category||General => Map Features|
|2010-04-29 13:18||Footkerchief||Category||Map Features => Cave-ins|
|2010-04-29 17:13||Hugna||Note Added: 0005718|
|2010-04-29 21:09||DoctorZuber||Note Added: 0005730|
|2010-05-04 22:54||pollo2019||Issue Monitored: pollo2019|
|2010-05-04 22:56||pollo2019||Note Added: 0006140|
|2010-05-16 19:59||sagragoth||Note Added: 0006835|
|2010-05-27 18:51||ItEndsWithTens||Issue Monitored: ItEndsWithTens|
|2010-06-10 16:49||Logical2u||Relationship added||related to 0002268|
|2010-06-20 08:13||ellindsey||Note Added: 0008770|
|2010-06-20 09:25||Footkerchief||Relationship deleted||parent of 0001339|
|2010-06-21 05:29||Logical2u||Relationship added||parent of 0002411|
|2010-07-08 04:40||Logical2u||Relationship added||parent of 0002594|
|2010-07-14 11:13||JZE||Note Added: 0010246|
|2010-07-14 11:13||JZE||Issue Monitored: JZE|
|2010-07-14 11:34||Footkerchief||Note Added: 0010247|
|2010-07-14 11:34||Footkerchief||Relationship replaced||has duplicate 0000081|
|2010-07-14 11:34||Footkerchief||Issue Monitored: Avenger|
|2010-07-14 11:34||Footkerchief||Issue Monitored: cyclotis04|
|2010-07-14 11:35||Footkerchief||Relationship added||related to 0001791|
|2010-07-14 11:35||Footkerchief||Relationship replaced||has duplicate 0000098|
|2010-07-14 11:37||Footkerchief||Relationship added||related to 0000127|
|2010-07-14 11:37||Footkerchief||Relationship deleted||parent of 0000590|
|2010-07-14 11:38||Footkerchief||Relationship replaced||has duplicate 0000633|
|2010-07-14 11:38||Footkerchief||Relationship replaced||has duplicate 0000864|
|2010-07-14 11:39||Footkerchief||Relationship deleted||parent of 0002411|
|2010-07-14 11:41||Footkerchief||Relationship deleted||parent of 0002594|
|2010-07-15 13:19||MaDeR Levap||Note Added: 0010372|
|2010-07-19 15:12||Logical2u||Relationship added||has duplicate 0002766|
|2010-07-19 15:17||smjjames||Note Added: 0010694|
|2010-07-19 15:53||Footkerchief||Issue Monitored: smjjames|
|2010-07-19 15:53||Footkerchief||Note Added: 0010696|
|2010-07-19 15:56||smjjames||Note Added: 0010697|
|2010-07-19 16:03||smjjames||Note Edited: 0010697||View Revisions|
|2010-07-19 16:04||smjjames||Note Edited: 0010697||View Revisions|
|2010-07-19 16:10||smjjames||Issue End Monitor: smjjames|
|2010-07-29 02:58||sparr||Note Added: 0011235|
|2010-07-29 06:20||Rafal99||Note Added: 0011242|
|2010-07-29 06:20||Rafal99||Note Edited: 0011242||View Revisions|
|2010-07-29 07:41||smjjames||Note Added: 0011246|
|2010-07-31 21:27||InsanityPrelude||Note Added: 0011347|
|2010-08-18 16:35||Logical2u||Relationship added||related to 0000590|
|2010-08-18 16:36||Logical2u||Relationship added||related to 0001503|
|2010-09-24 19:01||Logical2u||Relationship added||related to 0003310|
|2010-09-30 11:10||Jonathan Conley||Note Added: 0013086|
|2010-10-03 07:42||Logical2u||Relationship added||related to 0003319|
|2010-10-19 11:49||greycat||Note Added: 0013414|
|2010-11-17 08:32||Logical2u||Relationship added||has duplicate 0003653|
|2010-11-17 08:32||Logical2u||Relationship replaced||parent of 0003319|
|2011-05-01 15:12||Logical2u||Relationship added||has duplicate 0004602|
|2011-07-29 06:52||Footkerchief||Relationship added||parent of 0004791|
|2011-12-04 08:40||Dwarfu||Note Added: 0019062|
|2011-12-04 08:40||Dwarfu||Tag Attached: Fixed in 0.31.26?|
|2011-12-04 08:40||Dwarfu||Tag Attached: Save Included|
|2011-12-25 06:59||Footkerchief||Relationship added||parent of 0004163|
|2012-01-02 14:40||Footkerchief||Relationship added||has duplicate 0005003|
|2012-01-13 09:24||MaDeR Levap||Note Added: 0019382|
|2012-01-13 10:19||Footkerchief||Note Added: 0019384|
|2012-02-14 05:12||Footkerchief||Tag Renamed||Fixed in 0.31.26? => Fixed in 0.34.01?|
|2012-02-17 08:02||Footkerchief||Relationship added||related to 0002713|
|2012-02-19 11:11||Footkerchief||Relationship added||parent of 0005306|
|2012-02-19 11:22||Kijiro||Note Added: 0020145|
|2012-02-19 11:22||Kijiro||Note Edited: 0020145||View Revisions|
|2012-02-19 11:26||Kijiro||Note Edited: 0020145||View Revisions|
|2012-02-23 18:46||Footkerchief||Relationship added||has duplicate 0005422|
|2012-03-06 07:59||Footkerchief||Relationship deleted||related to 0000590|
|2012-03-06 08:00||Footkerchief||Relationship replaced||has duplicate 0000495|
|2012-03-06 08:00||Footkerchief||Issue Monitored: Logical2u|
|2012-03-06 08:00||Footkerchief||Issue Monitored: lord_chaos22000|
|2012-03-06 08:01||Footkerchief||Relationship replaced||has duplicate 0004791|
|2012-03-06 08:01||Footkerchief||Issue Monitored: vasiln|
|2012-03-06 08:01||Footkerchief||Relationship deleted||parent of 0004163|
|2012-03-06 08:01||Footkerchief||Relationship deleted||parent of 0005306|
|2012-03-06 08:02||Footkerchief||Relationship deleted||parent of 0003319|
|2012-03-06 08:57||Footkerchief||Relationship deleted||related to 0001503|
|2012-03-06 08:59||Footkerchief||Relationship deleted||related to 0003310|
|2012-03-06 09:00||Footkerchief||Relationship deleted||related to 0000127|
|2012-03-06 09:01||Footkerchief||Note Added: 0021173|
|2012-03-06 09:01||Footkerchief||Relationship added||duplicate of 0005077|
|2012-03-06 09:01||Footkerchief||Status||new => resolved|
|2012-03-06 09:01||Footkerchief||Resolution||open => duplicate|
|2012-03-06 09:01||Footkerchief||Assigned To||=> Footkerchief|
|2012-03-06 09:01||Footkerchief||Tag Detached: Fixed in 0.34.01?|
|2012-03-07 20:27||Dwarfu||Sticky Issue||Yes => No|
|2012-03-30 06:57||Footkerchief||Relationship added||has duplicate 0001690|
|2012-03-30 06:57||Footkerchief||Issue Monitored: Cryten|
|2014-08-15 06:59||Footkerchief||Relationship added||related to 0007250|
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