0008721: Dialog boxes can fail to display properly, leaving an undismissable "white box" (sometimes) and freezing DF - Dwarf Fortress Bug Tracker

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ID

Project

Category

View Status

Date Submitted

Last Update

0008721

Dwarf Fortress

Technical -- General

public

2015-01-10 13:16

2018-07-25 07:15

Reporter

lethosor

Assigned To

lethosor

Priority

high

Severity

block

Reproducibility

sometimes

Status

confirmed

Resolution

open

Platform

Mac

OS

OS X

OS Version

Product Version

Target Version

Fixed in Version

Summary

0008721: Dialog boxes can fail to display properly, leaving an undismissable "white box" (sometimes) and freezing DF

Description

At least, this is suggested by the message logged to the console when the dialog is displayed:
"NSAlert is being used from a background thread, which is not safe. This is probably going to crash sometimes. Break on _NSAlertWarnUnsafeBackgroundThreadUsage to debug. This will be logged only once. This may break in the future."

Additional Information

This is the cause of the behavior noted in several bug reports, like 0005859 and 0008720.

Tags

No tags attached.

Relationships

related to	0007456	resolved	Knight Otu	Crash shortly after unpausing
related to	0006369	resolved	Footkerchief	When entering town, crashes every time
related to	0005859	new		Crashes when save is loaded and unpaused for about 10 seconds
related to	0008720	resolved	lethosor	After installing graphics, game freezes upon selecting world gen.
related to	0003090	resolved	Footkerchief	White box appears above all windows, pinwheel of death, DF locks up
related to	0006915	resolved	Toady One	Crash when starting adventurer in retired fortress

(0038628)
lethosor (manager)
2018-07-25 07:13
edited on: 2018-07-25 07:14

Still occurs in 0.44.12, on macOS 10.13, but with a slightly different error:

2018-07-25 09:15:38.075 dwarfort.exe[98638:20165146] NSRunAlertPanel may only be invoked from the main 
thread. Behavior on other threads is undefined. (
        0   AppKit                              0x00007fff41460dcd NSRunAlertPanel + 420
        1   dwarfort.exe                        0x00000001011e3a26 dwarfort.exe + 18758182
)

No white box comes up at all - DF just freezes.

Issue History
Date Modified	Username	Field	Change
2015-01-10 13:16	lethosor	New Issue
2015-01-10 13:16	lethosor	Status	new => assigned
2015-01-10 13:16	lethosor	Assigned To	=> lethosor
2015-01-10 13:18	lethosor	Relationship added	related to 0007456
2015-01-10 13:18	lethosor	Relationship added	related to 0006369
2015-01-10 13:18	lethosor	Relationship added	related to 0005859
2015-01-10 13:18	lethosor	Relationship added	related to 0008720
2015-01-10 13:20	lethosor	Relationship added	related to 0003090
2015-01-10 13:20	lethosor	Relationship added	related to 0006915
2015-01-10 13:20	lethosor	Status	assigned => confirmed
2015-01-10 13:20	lethosor	Status	confirmed => acknowledged
2018-07-25 07:13	lethosor	Note Added: 0038628
2018-07-25 07:13	lethosor	Status	acknowledged => confirmed
2018-07-25 07:14	lethosor	Note Edited: 0038628	View Revisions
2018-07-25 07:15	lethosor	Summary	NSAlert dialog boxes created in other threads can fail to display properly, leaving an undismissable "white box" => Dialog boxes can fail to display properly, leaving an undismissable "white box" (sometimes) and freezing DF

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