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IDProjectCategoryView StatusDate SubmittedLast Update
0002704VCMILauncherpublic2017-06-27 15:462017-07-22 12:06
Reporterz3bu 
Assigned ToSXX 
PrioritynormalSeveritycrashReproducibilityalways
StatusassignedResolutionopen 
Platformx86_64OSArchlinuxOS Version4.9.34-1-lts
Product Version0.99 
Target VersionFixed in Version 
Summary0002704: Vcmilauncher doesn't start
DescriptionI am having difficulties with the vcmi Launcher[1]. I built vcmi for the git repository. I am getting this error.

process 12666: arguments to dbus_connection_ref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file dbus-connection.c line 2686.
This is normally a bug in some application using the D-Bus library.
D-Bus not built with -rdynamic so unable to print a backtrace

The problem doesn't appear when it is launched with root (so yeah dbus).
A similar problem occurs on the mupen64 project [2] - It is said that if Qt is build without the SDL2 support the problem is fixed. The package works for ubuntu and fedora (it just prints errors) but it crashes for Arch and Gentoo. So this issue is probably not related to the project and I may have to report it to the Qt and SDL projects.

I was only able to locate the problem in sdldisplayquery.cpp in the function getDisplays(). I am able to use the launcher if I comment the lines:

if(SDL_Init(SDL_INIT_VIDEO))
return QStringList("default display");

Another solution is to replace the whole function by:
return QStringList("default display");

[1] Newbie in bug report here
[2] https://github.com/mupen64plus/mupen64plus-ui-python/issues/91 [^]
Steps To ReproduceStart vcmilauncher - (Archlinux or Gentoo)
Additional Informationqt5-base 5.9.0-2
sdl2 2.0.5-3
(sdl 1.2.15-8 installed too)
dbus 1.10.18-1

Nothing interesting in the Launcher log (still attached)
TagsNo tags attached.
Attached Filestxt file icon VCMI_Launcher_log.txt [^] (5,279 bytes) 2017-06-27 15:46 [Show Content]

- Relationships
duplicate of 0002674assignedSXX vcmilauncher gives dbus errors 

-  Notes
(0007106)
z3bu (reporter)
2017-07-07 12:33

This issue doesn't happen with the 0.99 version. But with the latest vcmi sources on git.

- Issue History
Date Modified Username Field Change
2017-06-27 15:46 z3bu New Issue
2017-06-27 15:46 z3bu File Added: VCMI_Launcher_log.txt
2017-07-07 12:33 z3bu Note Added: 0007106
2017-07-22 12:06 SXX Assigned To => SXX
2017-07-22 12:06 SXX Status new => assigned
2017-07-22 12:06 SXX Relationship added duplicate of 0002674

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