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IDProjectCategoryView StatusLast Update
0001503Dwarf FortressDwarf Mode -- Environmentpublic2014-01-31 15:59
ReporterDekon Assigned To 
PrioritynormalSeverityminorReproducibilityalways
Status newResolutionopen 
Product Version0.31.03 
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

Relationships

related to 0001339 new Plants grow in "Muddy Open Space", resulting in occasional cavern collapses 
has duplicate 0003345 resolvedLogical2u Cave in warnings on unreveld part of the map 
has duplicate 0004038 resolveduser11 Cavern collapsed spam on magma over water 

Activities

Logical2u

2010-04-24 19:26

manager   ~0004940

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

2010-04-25 09:20

reporter   ~0004997

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

2010-04-25 09:44

manager   ~0005004

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 http://magmawiki.com/index.php/40d:Magma_mist

Qwazzerman

2010-08-27 17:01

reporter   ~0012181

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.

user11

2011-02-20 11:13

  ~0015330

Ditto for magma flow onto water per 0004038.

Alumine

2011-02-20 11:16

reporter   ~0015331

Still happening with 0.31.19

thadigga

2011-02-20 12:08

reporter   ~0015336

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

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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 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 user11 Relationship added has duplicate 0004038
2011-02-20 11:13 user11 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 user6 Relationship deleted related to 0000051
2014-01-31 15:59 user6 Tag Attached: Intentional/Expected?