Comment 10 for bug 1380171

I have same problem with mixxx. It crashes on startup.

avel@hackercb:~$ LANG=C; gdb --args /usr/bin/mixxx --controllerDebug --developer
GNU gdb (Ubuntu 7.8-1ubuntu4) 7.8.0.20141001-cvs
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/bin/mixxx...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/mixxx --controllerDebug --developer
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Debug [Main]: Mixxx 1.10.1 "(built on: Jun 29 2012 @ 15:14:12; flags: hifieq mad midiscript optimize qdebug shoutcast verbose vinylcontrol)" is starting...
Debug [Main]: Qt version is: 4.8.6
Debug [Main]: Configuration file is at the current version 1.10.1
Debug [Main]: Loading translations for locale "C" from translations folder "/usr/share/mixxx/translations/" : fail
Debug [Main]: Found folder 'Mixxx' within default OS music directory
Debug [Main]: Could not create folder 'Recordings' within 'Mixxx'
[New Thread 0x7fffe28fd700 (LWP 27384)]
[New Thread 0x7fffe1d88700 (LWP 27385)]
Debug [Main]: ControlObject::getControl returning NULL for ( "[Channel1]" , "vinylcontrol_mode" )
Debug [Main]: ControlObject::getControl returning NULL for ( "[Channel2]" , "vinylcontrol_mode" )
Warning [Main]: failed to resolve JACK name method
Warning [Main]: failed to resolve JACK name method
Debug [Main]: Available QtSQL drivers: ("QSQLITE", "QMYSQL3", "QMYSQL")
Debug [Main]: src/library/trackcollection.cpp DB status: true
Debug [Main]: SchemaManager::upgradeToSchemaVersion already at version 13
Debug [Main]: TrackDAO::initialize QThread(0xb5f310, name = "Main") "qt_sql_default_connection"
Debug [Main]: CrateDAO::initialize()
Debug [Main]: CueDAO::initialize QThread(0xb5f310, name = "Main") "qt_sql_default_connection"
Debug [Main]: Promo dir: "/usr/share/mixxx//promo/1.8.0/index.html"
[New Thread 0x7fffe11a3700 (LWP 27387)]
Debug [Main]: Traktor Library Location=[ "/home/pavel/collection.nml" ]
[New Thread 0x7fffe09a2700 (LWP 27388)]
Debug [Main]: ControlObject::getControl returning NULL for ( "[Flanger]" , "lfoDepth" )
Debug [Main]: ControlObject::getControl returning NULL for ( "[Flanger]" , "lfoDelay" )
Debug [Main]: ControlObject::getControl returning NULL for ( "[Flanger]" , "lfoPeriod" )
Debug [Main]: CachingReader using 4980736 bytes.
Debug [Main]: CachingReader using 4980736 bytes.
Debug [Main]: CachingReader using 4980736 bytes.
Debug [Main]: CachingReader using 4980736 bytes.
Debug [Main]: CachingReader using 4980736 bytes.
Debug [Main]: CachingReader using 4980736 bytes.
Debug [Main]: Constructed LibraryScanner
Debug [Main]: iTunes Album Art path is: ""
Debug [Main]: MidiDeviceManager::getDeviceList
Debug [Main]: Scanning PortMIDI devices:
Debug [Main]: Found output device # 0 Midi Through Port-0
Debug [Main]: Found input device # 1 Midi Through Port-0
Debug [Main]: Linking to output device # 0 "Midi Through Port-0"
Debug [Main]: Starting script engine with output device ""
[New Thread 0x7fffcb9c4700 (LWP 27389)]
[New Thread 0x7fffcb1c3700 (LWP 27390)]
Debug [MidiScriptEngine 1]: MIDI Device in script engine is: ""
Debug [Main]: MidiDeviceManager: Setting up devices
Debug [Main]: PortMIDI device "1. Midi Through Port-0" already closed
Debug [Main]: MidiMapping: Loading MIDI preset from "/home/pavel/.mixxx/midi/Midi_Through_Port-0.midi.xml"
Debug [Main]: Could not open xml file: "/home/pavel/.mixxx/midi/Midi_Through_Port-0.midi.xml"
Debug [Main]: Promo dir: "/usr/share/mixxx//promo/1.8.0/index.html"
[New Thread 0x7fffc9e84700 (LWP 27391)]
Warning [Main]: Bus::open: Can not get ibus-daemon's address.
Debug [Main]: IBusInputContext::createInputContext: no connection to ibus-daemon
Debug [Main]: loadSettings: 1 0 ""
Debug [Main]: slotApply crossfader: 1 ""
Debug [Main]: BPM Scheme File ConfigKey not set or file missing... setting to "/home/pavel/.mixxx/mixxxbpmscheme.xml"
Debug [Main]: BpmSchemes::readXML "/home/pavel/.mixxx/mixxxbpmscheme.xml"
Debug [Main]: BPM Scheme: "/home/pavel/.mixxx/mixxxbpmscheme.xml" does not exist.
Debug [Main]: MidiDeviceManager::getDeviceList
Debug [Main]: MidiDeviceManager::getDeviceList
Debug [Main]: SoundManager::setupDevices()
Warning [Main]: failed to resolve JACK name method
Warning [Main]: failed to resolve JACK name method
Warning [Main]: failed to resolve JACK name method
Warning [Main]: failed to resolve JACK name method
Warning [Main]: failed to resolve JACK name method
Warning [Main]: failed to resolve JACK name method
Warning [Main]: failed to resolve JACK name method
Warning [Main]: failed to resolve JACK name method
Warning [Main]: failed to resolve JACK name method
Warning [Main]: failed to resolve JACK name method
.... A lot of that messages
Warning [Main]: failed to resolve JACK name method
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff0e82e17 in _IO_vfprintf_internal (s=0x7fffff7ff4d0, format=0x77a647 "Warning %s", ap=0x7fffff801bf8) at vfprintf.c:257
257 vfprintf.c: No such file or directory.
(gdb)