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IDProjectCategoryView StatusDate SubmittedLast Update
0001503Dwarf FortressDwarf Mode -- Environmentpublic2010-04-24 19:162014-01-31 15:59
Assigned To 
PlatformOSOS Version
Product Version0.31.03 
Target VersionFixed in Version 
Summary0001503: Water fall into lava creates endless 'cavein' messages
DescriptionI'm currently getting spammed with 'a section of the cavern has collapsed' as water from a murky pool pours into a magma pipe below. It seems that the lava mist generated by the water constitutes as a cavern piece or something, and generates a warning message that part of the cavern has collapsed.
Steps To ReproduceDig a channel down to a lava pit, with a murky pool at the top. Let the water fall several z levels to it.
Tagscave-in, Intentional/Expected?, magma, water
Attached Files

- Relationships
related to 0001339new Plants grow in "Muddy Open Space", resulting in occasional cavern collapses 
has duplicate 0003345resolvedLogical2u Cave in warnings on unreveld part of the map 
has duplicate 0004038resolvedDwarfu Cavern collapsed spam on magma over water 

-  Notes
Logical2u (manager)
2010-04-24 19:26

Probably related to/duplicate of 0001339? Although this seems like it's man made and not world-gen made.

It's... not lava mist. The water/lava interaction is creating a hunk of Obsidian. Since that obsidian is completely suspended in liquid, it collapses.
Dekon (reporter)
2010-04-25 09:20

Could be. That bug's a little vague on exactly what's happening.

You are right, however - all I was seeing is 'lava mist', but that does seem to be what's likely happening - obsidian forming/falling instantly.
Logical2u (manager)
2010-04-25 09:44

Yea, 1339 is a little... well, sparse at first glance, but the reporter eventually noticed that water was flowing into his volcano, generating a piece of obsidian and then a collapse.

I don't think you'd be able to see the obsidian ever form, due to the fact that it would disappear instantly, but the lava mist is probably indicative of the formation and then collapse of the obsidian. I'm not entirely clear on how lava mist works. See [^]
Qwazzerman (reporter)
2010-08-27 17:01

This happened to me as well. Upon embark a murky pool right next to the open volcano began leaking and flowed into the magma, causing many of these messages.
Also, the water only fell in from 1 z-level above the magma.

I also notice that a a single-tile column of magma mist is created that extends all the way to the bottom of the tube. This may be part of the repeated message issue.
Dwarfu (manager)
2011-02-20 11:13

Ditto for magma flow onto water per 0004038.
Alumine (reporter)
2011-02-20 11:16

Still happening with 0.31.19
thadigga (reporter)
2011-02-20 12:08

You mean the generated kind, not the dwarf-made kind?

- Issue History
Date Modified Username Field Change
2010-04-24 19:16 Dekon New Issue
2010-04-24 19:26 Logical2u Note Added: 0004940
2010-04-25 02:20 Footkerchief Issue Monitored: Footkerchief
2010-04-25 03:54 Kennel Tag Attached: cave-in
2010-04-25 03:54 Kennel Tag Attached: magma
2010-04-25 03:54 Kennel Tag Attached: water
2010-04-25 09:20 Dekon Note Added: 0004997
2010-04-25 09:44 Logical2u Note Added: 0005004
2010-08-18 16:36 Logical2u Relationship added related to 0000051
2010-08-18 16:36 Logical2u Relationship added related to 0001339
2010-08-27 17:01 Qwazzerman Note Added: 0012181
2010-09-30 11:57 Logical2u Relationship added has duplicate 0003345
2011-02-20 11:12 Dwarfu Relationship added has duplicate 0004038
2011-02-20 11:13 Dwarfu Note Added: 0015330
2011-02-20 11:16 Alumine Note Added: 0015331
2011-02-20 12:08 thadigga Note Added: 0015336
2012-03-06 08:57 Footkerchief Relationship deleted related to 0000051
2014-01-31 15:59 Footkerchief Tag Attached: Intentional/Expected?

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