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0003873Dwarf FortressPathfindingpublic2011-01-06 13:342011-12-11 09:36
resolvedunable to reproduce 
Windows 764 bit
0003873: dwarves will stop pathing through stairs in obsidan
dwarves will not path through stairs some time after they are dug from the cast obsidan. also, if you replace the stairs by constructing stairs, it briefly fixes the problem.
A. put stairs through cast obsidian
B. put a meeting zone, dig designation or build order at the bottom of the stairs.
Using Mike Mayday's Graphics pack, Dwarf therapist.
No tags attached.
related to 0001319resolved Toady One Pathfinding problems after lowest cavern layer is breached 
related to 0001254resolved Toady One When cavern is breached, web collection pathfinding spams with "unable to find path" 
Issue History
2011-01-06 13:34ConceptLostNew Issue
2011-01-06 13:40ConceptLostNote Added: 0014808
2011-01-06 13:41ConceptLostNote Edited: 0014808bug_revision_view_page.php?bugnote_id=0014808#r5633
2011-01-06 13:42ConceptLostIssue Monitored: ConceptLost
2011-01-06 13:44DwarfuNote Added: 0014810
2011-01-06 13:45DwarfuTag Attached: AWAITING UPDATE
2011-01-06 13:57FootkerchiefRelationship addedrelated to 0001319
2011-01-06 13:57FootkerchiefRelationship addedrelated to 0001254
2011-01-06 16:04QuietustNote Added: 0014815
2011-01-06 16:04QuietustNote Edited: 0014815bug_revision_view_page.php?bugnote_id=0014815#r5635
2011-01-06 16:05QuietustNote Edited: 0014815bug_revision_view_page.php?bugnote_id=0014815#r5636
2011-01-13 08:04FootkerchiefNote Added: 0014857
2011-12-11 09:36DwarfuTag Detached: AWAITING UPDATE
2011-12-11 09:36DwarfuNote Added: 0019129
2011-12-11 09:36DwarfuStatusnew => resolved
2011-12-11 09:36DwarfuResolutionopen => unable to reproduce
2011-12-11 09:36DwarfuAssigned To => Dwarfu

2011-01-06 13:40   
(edited on: 2011-01-06 13:41)
also, now, about 6 minutes later, all stairs no longer function

2011-01-06 13:44   
A save would be appropriate here.

http://dffd.wimbli.com [^]
2011-01-06 16:04   
(edited on: 2011-01-06 16:05)
How large (and how tall/deep) is your embark region?

2011-01-13 08:04   
Reminder sent to: ConceptLost

This probably can't be fixed unless you upload your save to http://dffd.wimbli.com/ [^] as was already requested.
2011-12-11 09:36   
No further info/save from OP and no support from other reporters.