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IDProjectCategoryView StatusDate SubmittedLast Update
0008183Dwarf FortressDwarf Mode -- Reclaimpublic2014-08-29 11:352018-04-17 10:21
Assigned ToKnight Otu 
PrioritynormalSeverityminorReproducibilityhave not tried
PlatformOSOS Version
Product Version0.40.10 
Target VersionFixed in Version 
Summary0008183: Overflowing magma seas/pools after unretire or reclaim.
DescriptionI unretired a fort, I discovered a magma sea (without message, just saw that it is there). The top layer of magma changed it depth constantly ranging from 5-7 after some time it would overflow and flood everything arround it. It doesn't stop.
Additional InformationAll three caverns discovered. Magma sea located on layer three, connected to the also mostly discovered magma layer.
TagsNo tags attached.
Attached Files

- Relationships
has duplicate 0008263resolvedKnight Otu Volcano Overflowing on Reclaim 
has duplicate 0008519resolvedKnight Otu Magma Vents Overflow upon Un-Retire 
has duplicate 0007632resolvedFootkerchief Upon unretire, magma pipe overflows 
has duplicate 0008730resolvedFootkerchief After unretire, magma pipe overflowed and game crashed 
has duplicate 0008873resolvedKnight Otu Magma floods otherwise safe channels when unretiring a fort. 
has duplicate 0009338resolvedDwarfu Lava going everywhere after unretirement 
has duplicate 0010168resolvedLoci When reclaiming a previous embark site magma pools may change depth 
has duplicate 0010165resolvedLoci Shift in magma pool structure leads to caverns flooded with magma after reclaim 
has duplicate 0010772resolvedDwarfu Magma level rises upon reclaim 

-  Notes
Knight Otu (manager)
2014-08-29 12:30

Please upload a save (whole region folder) that demonstrates the magma sea overflowing to the DFFD ( [^] ) and post a link to it here.
Skaglicker (reporter)
2014-08-31 14:28 [^]

Sorry for the late reply.

Unretire the only inhabited fort. Magma sea is located in the caverns, right upper corner. Sea will overflow in about 10 minutes, varying by FPS.
Knight Otu (manager)
2014-09-17 09:36
edited on: 2014-09-17 09:39

I've neither seen this happen in the provided save, not in a specifically designed test case that runs faster for me (in case that my low fps in the provided save is the culprit), but there's been more reports that I've seen, so there may be more variables at work. What OS do you, or anyone who experienced this, use? How long between retiring the fortress and unretiring it? Do you use any utilities?

Chaia (reporter)
2014-09-27 05:33
edited on: 2014-09-27 05:40

Same happened to me. So still present in 40.13. Playing on Win7 64-bit
Steps to do that: Retire a fort with volcano, reclaim it.
Here is my save: [^]
The volcano used to be at the height of obsidian in the tube.
If you need more info, just ask!

edit: whoops, topic said unretire. I guess volcanos overflowing after reclaim is the same problem

MonkeyFacedPrickleBack (reporter)
2014-11-06 19:55

Bugged save here [^]
Footkerchief (manager)
2015-01-13 06:59

Another save at 0008730
Loci (manager)
2017-03-20 07:29

0.43.05: Hinaichigo posted a save in 0010165: [^]
vipersting (reporter)
2017-04-26 15:42

While testing if a volcano would fill to a certain height, I somehow managed to stop the bug from triggering in some instances. The following save will have this bug a 42% of the time. [^] [v0.43.05]

Before I started the construction, the bug occurred every time I unretired the fortress.

In the save I extended the volcano's height up to z = +50, I'm not sure if the building's height is stopping the bug or if it's something else. In the times the bug is triggered, the pipe will overflow the extended volcano.
Bobiloco (reporter)
2018-04-16 16:51

I had this happen to my recent fortress which was retired and reclaimed on 44.09. After patching the entire magma pipe with dfhack liquids and letting the flooded magma cool I found my dwarves would not path over the flooded areas. It is almost as if the units think the magma is still there. [^]
Loci (manager)
2018-04-16 18:00

@Bobiloco: You'll need to enable temperature calculations if you want the previously-magma-flooded tiles to cool down. (0008391)
Bobiloco (reporter)
2018-04-17 10:21

@Loci Thanks, I went looking for 'magma flood impassable' bugs and didn't find anything before posting but this makes sense!

I can at least say that building up walls around the pipe to contain the magma crabs seems to have triggered the slow eruption upon reclaim.

- Issue History
Date Modified Username Field Change
2014-08-29 11:35 Skaglicker New Issue
2014-08-29 12:30 Knight Otu Note Added: 0029779
2014-08-29 12:30 Knight Otu Assigned To => Knight Otu
2014-08-29 12:30 Knight Otu Status new => needs feedback
2014-08-31 14:28 Skaglicker Note Added: 0029838
2014-08-31 14:28 Skaglicker Status needs feedback => assigned
2014-09-17 09:36 Knight Otu Note Added: 0030231
2014-09-17 09:36 Knight Otu Status assigned => needs feedback
2014-09-17 09:38 Knight Otu Relationship added has duplicate 0008263
2014-09-17 09:39 Knight Otu Note Edited: 0030231 View Revisions
2014-09-27 05:33 Chaia Note Added: 0030397
2014-09-27 05:40 Chaia Note Edited: 0030397 View Revisions
2014-11-06 10:23 Knight Otu Relationship added has duplicate 0008519
2014-11-06 10:23 Knight Otu Issue Monitored: MonkeyFacedPrickleBack
2014-11-06 10:25 Knight Otu Status needs feedback => confirmed
2014-11-06 19:55 MonkeyFacedPrickleBack Note Added: 0030899
2015-01-13 06:58 Footkerchief Relationship added has duplicate 0007632
2015-01-13 06:59 Footkerchief Relationship added has duplicate 0008730
2015-01-13 06:59 Footkerchief Note Added: 0031920
2015-03-26 13:10 Knight Otu Relationship added has duplicate 0008873
2016-05-11 21:38 Dwarfu Relationship added has duplicate 0009338
2016-05-11 21:38 Dwarfu Issue Monitored: Hedede
2017-03-19 13:45 Loci Relationship added has duplicate 0010168
2017-03-19 13:45 Loci Issue Monitored: wooks
2017-03-19 13:48 Loci Summary Overflowing magma seas on unretire. => Overflowing magma seas/pools after unretire or reclaim.
2017-03-20 07:28 Loci Relationship added has duplicate 0010165
2017-03-20 07:29 Loci Note Added: 0036346
2017-04-26 15:42 vipersting Note Added: 0036472
2017-04-26 18:17 Huntthetroll Issue Monitored: Huntthetroll
2017-12-09 20:16 Jessietail Note Added: 0037274
2017-12-09 20:16 Jessietail Note Deleted: 0037274
2018-04-16 16:51 Bobiloco Note Added: 0038171
2018-04-16 18:00 Loci Note Added: 0038173
2018-04-17 10:21 Bobiloco Note Added: 0038177
2018-05-26 20:00 Dwarfu Relationship added has duplicate 0010772

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