URL:
<http://gna.org/bugs/?10112>
Summary: Some MusicWML code causes 100% CPU usage and
lock-up
Project: Battle for Wesnoth
Submitted by: shadowmaster
Submitted on: Thursday 10/04/07 at 13:53
Category: Bug
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Sound and music
Status: None
Privacy: Public
Assigned to: None
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: 1.3.8+SVN (revision 20889)
Operating System: GNU/Linux
_______________________________________________________
Details:
In campaign Invasion from the Unknown, located in 1.3.x branch campaign
server, developed by Ignacio Riquelme Morelle/Shadow Master using Wesnoth
1.3.8+SVN, scenario 2, prestart and start event music tags seem to cause
random lock-ups on the game engine.
Symptoms:
100% CPU usage, program cannot be killed with "killall wesnoth" (SIGTERM),
must force "killall -sKILL wesnoth" (SIGKILL), no error messages are output
before the blockage. Reported by fellow player and campaign author.
Tested by campaign author on: Wesnoth 1.3.8+SVN, revision 20889, no local
modifications to affected code (see backtrace below); Linux kernel
2.6.18.2-34-default <openSUSE 10.2, x86_64 build>, Wesnoth configured with
--enable-server --enable-editor --enable-tools --prefix=/opt/wesnoth-svn
--enable-debug.
Package versions (all 64 bit):
* SDL 1.2.11
* SDL_Mixer 1.2.7
* SDL_Image 1.2.5
* SDL_Net 1.2.5
* Freetype 1.3.1, Freetype2 2.2.1
* libogg 1.1.3, libvorbis 1.1.2
* zlib 1.2.3, fribidi 0.10.4
DDD/gdb output, and culprit code:
See attachment iftu-musicwml-lockup-info.txt
Minimal scenario code:
See attachment scenario-test.cfg. Note that if you remove the [story] tags
(IntroWML), the bug doesn't occur. Also note that nevertheless, the bug might
not always trigger right after the end of the start event, but it triggers
then as soon as the player reloads an autosave or a manually-generated save.
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: Thursday 10/04/07 at 13:53 Name: scenario-test.cfg Size: 11kB By:
shadowmaster
<http://gna.org/bugs/download.php?file_id=3031>
-------------------------------------------------------
Date: Thursday 10/04/07 at 13:53 Name: iftu-musicwml-lockup-info.txt Size:
3kB By: shadowmaster
<http://gna.org/bugs/download.php?file_id=3032>
_______________________________________________________
Reply to this item at:
<http://gna.org/bugs/?10112>
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