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IDProjectCategoryView StatusLast Update
0002794Dwarf FortressPathfindingpublic2012-03-26 16:06
ReporterRiceMunk Assigned To 
PrioritynormalSeveritymajorReproducibilityalways
Status newResolutionopen 
PlatformAthlon 64 X2 Dual Core PCOSUbuntuOS Version10.04 LTS
Product Version0.31.11 
Summary0002794: Miners take a long time to start digging upward stairs/ramps
DescriptionPretty self-explanatory. In the included savegame (http://dffd.wimbli.com/file.php?id=2790) there's a staircase that the miners should be able to access yet they both sit around with no job for some reason.
Steps To ReproduceSee http://dffd.wimbli.com/file.php?id=2790
TagsNo tags attached.

Relationships

has duplicate 0002819 resolveduser6 Dwarves won't dig upward ramps inside their burrow 
has duplicate 0005333 resolveduser6 Up/Down Stairways carved from the Designation Menu only expose lower level, never upper level. 
related to 0005443 resolveduser6 Dwarves Slow to Take New Jobs 

Activities

RiceMunk

2010-07-23 09:04

reporter   ~0010874

Addendum: Looks like they were able to mine to the tiles when coming to them from above.

smjjames

2010-07-23 09:17

reporter   ~0010875

They probably didn't actually have access to it, as in they weren't able to path to it.

I've had this occasionally in 40D, usually when its a designation that they'd dig upwards at. I just redesignate it. Probably just a pathing glitch.

Rafal99

2010-07-23 19:50

reporter   ~0010891

Tried the save.
They initially hang with "No job" on the surface, but after a while they go and start digging. If you designate digging next to the stairs below they go to dig it immediately then continue to dig the rest of the stairs.

Seems more like job update problem rather than accessibility / pathfinding problem. Actually it doesn't really seem like a bug, many jobs doesn't update immediately, but only once in a while.

Naros

2010-07-23 22:23

reporter   ~0010895

I've had this happen a few times;

I had designated a storage level as well as four other rooms at the same time.
All the same-level rooms were dug in short order, but the room that was on a lower level, which needed the stairs to be dug failed.

Clearing and resetting the designation made my miner dig the up/down stair just fine.

hackbart

2010-12-18 12:52

reporter   ~0014624

At one level, i have a Up/Downstair and a downstair. It's impossible to build upstairs or up/downstairs directly below this stairs, it always gets canceled with "Could not find Path". But the stairs on the upper level are definitely accessible, e.g it's possible to dig nearby.

quintilius

2012-02-20 22:36

reporter   ~0020328

i can echo Naros' experience - if i cleared the up ramp and re-declared it it would usually solve the problem. I had assumed it might be a 'ramp' thing - so i'd switched to stairs (and seeing the switching work quickly - it gave me a misconception of the issue - and only discovered this later when i'd noticed the upramp delay again (ramp spiral habits die hard)).

Kogut

2012-03-26 14:13

reporter   ~0021763

Example from recent version (34.06) - as "Miners refusing to mine ramps they should have access to" - I waited for along time, and miner is persistently idling

dffd (2 saves - with a bug and with a workaround (tile above ramp marked for digging)): http://dffd.wimbli.com/submit.php?action=message&fid=6011

krenshala

2012-03-26 16:06

reporter   ~0021769

Not sure if its the same thing, but I've noticed that miners will only mine channels from the top, and ramps from the bottom, even if they have access to the other layer. I prefer my dwarves digging ramps, and find I have to make an initial channel for them to dig out the ramp area. Sometimes they will dig the ramps without a channel to let them down a level, but it is very inconsistent.

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Issue History

Date Modified Username Field Change
2010-07-23 09:02 RiceMunk New Issue
2010-07-23 09:04 RiceMunk Note Added: 0010874
2010-07-23 09:17 smjjames Note Added: 0010875
2010-07-23 19:50 Rafal99 Note Added: 0010891
2010-07-23 22:23 Naros Note Added: 0010895
2010-07-25 14:38 user6 Relationship added parent of 0002819
2010-12-18 12:52 hackbart Note Added: 0014624
2012-02-20 10:06 user6 Relationship replaced has duplicate 0002819
2012-02-20 10:07 user6 Summary Miners refusing to mine stairs they should have access to => Miners take a long time to start digging upward stairs/ramps
2012-02-20 10:07 user6 Relationship added has duplicate 0005333
2012-02-20 22:36 quintilius Note Added: 0020328
2012-02-25 13:02 user6 Relationship added related to 0005443
2012-03-26 14:13 Kogut Note Added: 0021763
2012-03-26 16:06 krenshala Note Added: 0021769