#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
  [Error: pthread_kill.c was not found in source tree]
#1  __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
  [Error: pthread_kill.c was not found in source tree]
#2  __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
  [Error: pthread_kill.c was not found in source tree]
#3  0x00007ff2ee008406 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
  [Error: raise.c was not found in source tree]
#4  0x00007ff2edfee87c in __GI_abort () at ./stdlib/abort.c:79
  [Error: abort.c was not found in source tree]
#5  0x00007ff2ee4f40d3 in qt_message_fatal (message=<synthetic pointer>..., context=...) at global/qlogging.cpp:1914
  [Error: qlogging.cpp was not found in source tree]
#6  QMessageLogger::fatal (this=this@entry=0x7ffc9ebfb0a0, msg=msg@entry=0x7ff2eddeb137 "%s") at global/qlogging.cpp:893
  [Error: qlogging.cpp was not found in source tree]
#7  0x00007ff2ed947d90 in init_platform (argv=<optimized out>, argc=@0x7ffc9ebfb3fc: 1, platformThemeName=..., platformPluginPath=..., pluginNamesWithArguments=...) at kernel/qguiapplication.cpp:1254
  [Error: qguiapplication.cpp was not found in source tree]
#8  QGuiApplicationPrivate::createPlatformIntegration (this=0x560ecea6c5f0) at kernel/qguiapplication.cpp:1477
  [Error: qguiapplication.cpp was not found in source tree]
#9  0x00007ff2ed948228 in QGuiApplicationPrivate::createEventDispatcher (this=<optimized out>) at kernel/qguiapplication.cpp:1494
  [Error: qguiapplication.cpp was not found in source tree]
#10 0x00007ff2ee736525 in QCoreApplicationPrivate::init (this=this@entry=0x560ecea6c5f0) at kernel/qcoreapplication.cpp:835
  [Error: qcoreapplication.cpp was not found in source tree]
#11 0x00007ff2ed94b150 in QGuiApplicationPrivate::init (this=this@entry=0x560ecea6c5f0) at kernel/qguiapplication.cpp:1523
  [Error: qguiapplication.cpp was not found in source tree]
#12 0x00007ff2eeb4c35d in QApplicationPrivate::init (this=0x560ecea6c5f0) at kernel/qapplication.cpp:513
  [Error: qapplication.cpp was not found in source tree]
#13 0x00007ff2eeb4c440 in QApplication::QApplication (this=this@entry=0x7ffc9ebfb410, argc=@0x7ffc9ebfb3fc: 1, argv=argv@entry=0x7ffc9ebfbac8, _internal=_internal@entry=331528) at kernel/qapplication.cpp:501
  [Error: qapplication.cpp was not found in source tree]
#14 0x00007ff2ef1586c7 in LXQt::Application::Application (this=this@entry=0x7ffc9ebfb410, argc=@0x7ffc9ebfb3fc: 1, argv=argv@entry=0x7ffc9ebfbac8) at /usr/src/liblxqt-1.3.0-0ubuntu1/lxqtapplication.cpp:56
  [Error: lxqtapplication.cpp was not found in source tree]
#15 0x0000560ece12c2b0 in main (argc=<optimized out>, argv=0x7ffc9ebfbac8) at /usr/src/lxqt-globalkeys-1.3.0-0ubuntu1/daemon/main.cpp:236
  231: 
  232:     const char* home = getenv("HOME");
  233:     int ignoreIt = chdir((home && *home) ? home : "/");
  234:     (void)ignoreIt;
  235: 
  236:     LXQt::Application app(argc, argv);
  237: 
  238:     Core core(runAsDaemon || useSyslog, minLogLevelSet, minLogLevel, configFiles, multipleActionsBehaviourSet, multipleActionsBehaviour);
  239: 
  240:     if (!core.ready())
  241:     {