Dwarf Fortress Bug Tracker - Dwarf Fortress
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0000032Dwarf FortressWorld Generation -- Constructionspublic2010-04-01 15:442014-07-17 07:33
Toady One 
lowminorhave not tried
0000032: World gen mountain halls / dwarf pits don't branch out from their "stairwell"
After generating a random pocket island map, I started an adventurer (human, play now), and travelled to the only non-elf landmark, an (empty?) dwarf settlement. Rather than an interesting collection of coridors and rooms, the underground portion was floor after floor of 8x8 rooms, each with a line of up ramps and a line of down ramps (http://img256.imageshack.us/img256/9427/dfbug.png [^]) with no branching corridors.

Unless I am missing a neat new feature that enables world-gen conflicts to influence the completeness of a construction, this is almost certainly a bug or an extremely implausable development.
This is probably enough, the initial few lines of region1-world_gen_param.txt:

Created in DF v0.31.01.

I still have the save, although it is likely unneeded if the seed works.
adventure mode, Fixed in 0.40.01?, worldgen
related to 0001227resolved Footkerchief Some world gen mountains halls are inaccessible, possibly caused by erosion 
has duplicate 0000688closed Footkerchief Dwarf civs don't have a home... 
has duplicate 0002496resolved Footkerchief Automatically generated dwarven settlements are empty 
Issue History
2010-04-01 15:44QwertyuiopasNew Issue
2010-04-01 15:46jfsNote Added: 0000025
2010-04-01 18:53QuietustNote Added: 0000067
2010-04-02 06:04TodestoolTag Attached: adventure mode
2010-04-21 12:14FootkerchiefRelationship addedrelated to 0001227
2010-04-21 12:14FootkerchiefSummaryDwarven settlement generated without corridors => World gen mountain halls / dwarf pits don't branch out from their "stairwell"
2010-04-21 12:14FootkerchiefRelationship addedhas duplicate 0000688
2010-04-21 12:14FootkerchiefIssue Monitored: Khym Chanur
2010-04-21 19:28JoRoTag Attached: worldgen
2010-04-29 13:35FootkerchiefCategoryGeneral => World Generation -- Constructions
2010-06-28 09:26FootkerchiefRelationship addedhas duplicate 0002496
2010-12-10 13:16FootkerchiefTag Attached: Fixed in 0.31.19?
2011-03-03 10:16FootkerchiefNote Added: 0015712
2011-03-03 10:16FootkerchiefStatusnew => resolved
2011-03-03 10:16FootkerchiefResolutionopen => suspended
2011-03-03 10:16FootkerchiefAssigned To => Footkerchief
2011-03-03 13:52Khym ChanurIssue End Monitor: Khym Chanur
2012-03-04 08:03DwarfuTag Detached: Fixed in 0.31.19?
2014-07-17 05:40Marty SmunstuTag Attached: Fixed in 0.40.01?
2014-07-17 07:33FootkerchiefResolutionsuspended => fixed
2014-07-17 07:33FootkerchiefProduct Version => 0.40.01
2014-07-17 07:33FootkerchiefAssigned ToFootkerchief => Toady One

2010-04-01 15:46   
I found the same in two worldgen-fortresses I visited, simply a dead end like that.
2010-04-01 18:53   
I once encountered a fortress just like this in (detailed at http://www.bay12games.com/forum/index.php?topic=45916.0 [^]).
2011-03-03 10:16   
Mountain halls don't exist at all anymore, and will probably be drastically different when they come back, so I'm marking this report as suspended.