'monster index' crash when descending stairs

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What steps will reproduce the problem?
1. In iNethack 1.1 on iPhone 3GS with OS 3.0.
2. When descending stairs to a new level (often reproducible before level
5ish), *before* the new level appears, you see dialogs pop up with these
messages in order:

1. Oops...
2. Suddenly, the dungeon collapses.
3. monsndx - could not index monster (0)
4. report error to wizard and it may be possible to rebuild

* You lose your game, next launch has to start over.
* Doesn't seem to matter what character class you are.
* Could be related to issue 103.

Thanks

Original issue reported on code.google.com by aaron.b...@gmail.com on 18 Sep 2009 at 5:04

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Oh that looks like a big one, strange that no one experienced it during beta.

Do you run 3.0 or 3.0.1? Vanilla or jailbroken?
Assuming that you were in dungeons of doom before crash (correct?), do you know
whether the crashing level is gnomish mines or still dod?

Original comment by din...@gmail.com on 19 Sep 2009 at 10:29

• Changed state: Accepted

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Oh and which tileset are you using?

Original comment by din...@gmail.com on 19 Sep 2009 at 10:30

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- OS is vanilla 3.0.1 (7A400)
- Crashes were always going down while in a DoD level - can't tell if the new 
level
was mines or not. So far it's always occurred in the first few levels so a
mines-related issue is possible.
- Tileset is Tiles32.

Original comment by aaron.b...@gmail.com on 19 Sep 2009 at 4:52

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Original comment by din...@gmail.com on 29 Sep 2009 at 7:32

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Another way to reliably reproduce the bug is to go  to the branch level above 
the Gnomish Mines/Main 
Dungeon. Go down one set of steps, then come back up. Then, go down the other 
set of stairs. The 
dungeon collapses consistently.

Original comment by RedBan...@gmail.com on 9 Oct 2009 at 4:44

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I've experienced this pretty reliably as well, mostly when playing as a gnomish 
healer. 
Whenever I try to go downstairs from the *first* gnomish mines level, if my pet 
is next 
to me then I get this error.

Original comment by lmjohns3 on 13 Oct 2009 at 3:35

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Can't reproduce this. Reached gnomish mines 3 times, and 3 times the lvl 
underneath.
All games with a gnomish healer, pet with me at all times. Tileset is chozo B.

Which tileset are you using?

Original comment by din...@gmail.com on 21 Oct 2009 at 3:52

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Is there a time component to this? How long did you play uninterrupted for this 
to occur?

Original comment by din...@gmail.com on 21 Oct 2009 at 4:13