Bug#629272: sync errors during on-line play
Tobi Vollebregt
tobivollebregt at gmail.com
Sun Jun 5 11:45:52 UTC 2011
Hi,
I've actually noticed a few days ago that on Fedora 15 I also desync
with current release build. I am a developer but I am kind of inactive
so I didn't play online since Fedora 13.
So if new Debian packages also desync that suggests to me that
something in the whole stack has been upgraded during this time which
breaks sync.
I already did some tests (although on Fedora of course, but it looks
like this affects all distros):
- self compiled spring with distro's gcc 4.6 : desync
- packaged spring (compiled with gcc 4.6) : desync
- self compiled spring using self compiled gcc 4.5 : desync
- someone else on Ubuntu (unknown version), using a self-compiled gcc
4.6 : NO desync
- yet someone else on latest Ubuntu, using packaged gcc 4.6 : desync
So to me this suggests that probably some upgraded library is to
blame, or gcc 4.6 contains some miscompile but only with certain
compilation options, but the search space is huge :-/
I'll keep you informed if I figure out more on why it happens / how to
solve it on Fedora, as the solution would probably apply to Debian
too.
Regards,
Tobi
On 5 June 2011 12:11, Jan Dittberner <jandd at debian.org> wrote:
> On Sun, Jun 05, 2011 at 10:16:39AM +0200, Piotr Majkrzak wrote:
>> Package: spring
>> Version: 0.82.7.1+dfsg1-3
>> Severity: important
>>
>> Hi,
>> I have problem when I'm trying to play on-line, because I have lot of "sync errors".
>> http://springrts.com/wiki/Build_from_source says that it can be caused by wrong build.
>> Yours sincerely
>> Piotr Majkrzak
>
> I just checked a network game and got (few) sync errors too. Maybe this is
> related to the patch [1] added recently to fix the GCC 4.6 build failures.
> Upstream did not have objections to use this patch but maybe it introduces
> some minor timing issues.
>
> [1] http://anonscm.debian.org/gitweb/?p=pkg-games/spring.git;a=history;f=debian/patches/ftbfs-fix-625097.patch
>
> Thanks for reporting the issue.
>
>
> Jan Dittberner
>
>> -- System Information:
>> Debian Release: wheezy/sid
>> APT prefers unstable
>> APT policy: (500, 'unstable')
>> Architecture: amd64 (x86_64)
>>
>> Kernel: Linux 2.6.39-1-amd64 (SMP w/2 CPU cores)
>> Locale: LANG=pl_PL.UTF-8, LC_CTYPE=pl_PL.UTF-8 (charmap=UTF-8)
>> Shell: /bin/sh linked to /bin/dash
>>
>> Versions of packages spring depends on:
>> ii libboost-program-option 1.46.1-5 program options library for C++
>> ii libboost-regex1.46.1 1.46.1-5 regular expression library for C++
>> ii libboost-signals1.46.1 1.46.1-5 managed signals and slots library
>> ii libboost-system1.46.1 1.46.1-5 Operating system (e.g. diagnostics
>> ii libboost-thread1.46.1 1.46.1-5 portable C++ multi-threading
>> ii libc6 2.13-4 Embedded GNU C Library: Shared lib
>> ii libdevil1c2 1.7.8-6+b1 Cross-platform image loading and m
>> ii libfreetype6 2.4.4-1 FreeType 2 font engine, shared lib
>> ii libgcc1 1:4.6.0-11 GCC support library
>> ii libgl1-mesa-glx [libgl1 7.10.2-3 free implementation of the OpenGL
>> ii libglew1.5 1.5.8-3 The OpenGL Extension Wrangler - ru
>> ii libglu1-mesa [libglu1] 7.10.2-3 The OpenGL utility library (GLU)
>> ii libogg0 1.2.2~dfsg-1 Ogg bitstream library
>> ii libopenal1 1:1.13-2 Software implementation of the Ope
>> ii libsdl1.2debian 1.2.14-6.4 Simple DirectMedia Layer
>> ii libstdc++6 4.6.0-11 The GNU Standard C++ Library v3
>> ii libvorbis0a 1.3.2-1 The Vorbis General Audio Compressi
>> ii libvorbisfile3 1.3.2-1 The Vorbis General Audio Compressi
>> ii libx11-6 2:1.4.3-1 X11 client-side library
>> ii libxcursor1 1:1.1.11-1 X cursor management library
>> ii otf-freefont 20100919-1 Freefont Serif, Sans and Mono Open
>> ii spring-common 0.82.7.1+dfsg1-3 a modern full-3D RTS game engine (
>> ii zlib1g 1:1.2.3.4.dfsg-3 compression library - runtime
>>
>> Versions of packages spring recommends:
>> ii springlobby [spring-lobby] 0.130-1 single/multiplayer lobby for the S
>>
>> Versions of packages spring suggests:
>> pn libtxc-dxtn0 <none> (no description available)
>> pn spring-javaai <none> (no description available)
>> pn spring-maps-deltasiege | spri <none> (no description available)
>> pn spring-mods-kernelpanic | spr <none> (no description available)
>>
>> -- no debconf information
>>
>>
>>
>> _______________________________________________
>> Pkg-games-devel mailing list
>> Pkg-games-devel at lists.alioth.debian.org
>> http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-games-devel
>>
>
> --
> Jan Dittberner - Debian Developer
> GPG-key: 4096R/558FB8DD 2009-05-10
> B2FF 1D95 CE8F 7A22 DF4C F09B A73E 0055 558F B8DD
> http://ddportfolio.debian.net/ - http://people.debian.org/~jandd/
>
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