Hey Gabriel, Gabriel M. Beddingfield wrote: > Throwing out ideas... > If you try a dynamic_cast<> on an invalid pointer, it will segfault. > Perhaps this code got executed before __audio_output was initialized. > > Also, I recall once that I was having trouble running hydrogen through the > debugger. It may have been this very segfault. I think I resolved it by > upgrading gdb to 6.8. (Sometimes, bugs can be caused by gdb -- and I > think I read something that made me suspect this was the case.) However, > I also resolved it by _not_ using a debugger, but instead using core dumps > for segfault backtraces. > > Also, what was H2's output before the segfault? > I was able to get some more details. The bug occurs outside gdb too, so it can't be related to gdb. And more interesting: It happens only if i start hydrogen without commandline arguments or with hydrogen --driver null . It crashes *not* if i start with "--driver alsa" or jack or whatever.. The output before the segfault can be found at the end of this mail..
- Sebastian [EMAIL PROTECTED]:/usr/src/htest$ ./hydrogen --driver null Hydrogen 0.9.4-svn583:584M [Oct 17 2008] [http://www.hydrogen-music.org] Copyright 2002-2008 Alessandro Cominu Hydrogen comes with ABSOLUTELY NO WARRANTY This is free software, and you are welcome to redistribute it under certain conditions. See the file COPYING for details VST_PATH not set, defaulting to /home/sebastian/vst:/usr/local/lib/vst:/usr/lib/vst RemoteVSTClient: all cache files are up-to-date, not running scanner (W) Preferences loadPreferences patternCategories node not found (W) static int H2Core::LocalFileMng::readXmlInt(TiXmlNode*, const QString&, int, bool, bool) 'jack_track_output_mode' node not found (W) static bool H2Core::LocalFileMng::readXmlBool(TiXmlNode*, const QString&, bool, bool) 'jack_ardour_transport_workaround' node not found (W) static int H2Core::LocalFileMng::readXmlInt(TiXmlNode*, const QString&, int, bool, bool) 'countoffset' node not found (W) static int H2Core::LocalFileMng::readXmlInt(TiXmlNode*, const QString&, int, bool, bool) 'playoffset' node not found (W) SongReader readSong Trying to load a song created with a different version of hydrogen. (W) SongReader readSong Song [/usr/src/htest/data/DefaultSong.h2song] saved with version 0.9.4-svn (E) OssDriver connect DSP ERROR_OPEN (E) void H2Core::audioEngine_startAudioDrivers() Error starting audio driver [audioDriver::connect()] (E) void H2Core::audioEngine_startAudioDrivers() Using the NULL output audio driver (E) void H2Core::audioEngine_startAudioDrivers() m_pMainBuffer_L == NULL (E) void H2Core::audioEngine_startAudioDrivers() m_pMainBuffer_R == NULL (W) static QString H2Core::LocalFileMng::readXmlString(TiXmlNode*, const QString&, const QString&, bool, bool) 'license' node not found (W) void H2Core::audioEngine_setSong(H2Core::Song*) Set song: Untitled Song (E) void H2Core::audioEngine_setupLadspaFX(unsigned int) nBufferSize=0 Segmentation fault ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Hydrogen-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/hydrogen-devel
