[e@X60s tmp]$ gdb ~/MuseScore/build.release/mscore/mscore core.mscore.1000.b6cf7d5e8a5a4e57b504443ac94fd53f.16427.1456563938000000000000 GNU gdb (GDB) 7.10.1 Copyright (C) 2015 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later 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 "i686-pc-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /home/e/MuseScore/build.release/mscore/mscore...done. [New LWP 16427] [New LWP 16450] [New LWP 16452] [New LWP 16436] [New LWP 16428] [New LWP 16438] [New LWP 16429] [New LWP 16439] [New LWP 16433] [New LWP 16435] [New LWP 16449] [New LWP 16451] [New LWP 16453] warning: Could not load shared library symbols for linux-gate.so.1. Do you need "set solib-search-path" or "set sysroot"? [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". Core was generated by `./build.release/mscore/mscore'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x089e59f1 in af_autofitter_load_glyph () [Current thread is 1 (Thread 0xaefbc780 (LWP 16427))] (gdb) thread apply all bt Thread 13 (Thread 0xa4684b40 (LWP 16453)): #0 0xb776cc11 in __kernel_vsyscall () #1 0xb23907c7 in syscall () from /usr/lib/libc.so.6 #2 0xb1a7c42b in g_cond_wait_until () from /usr/lib/libglib-2.0.so.0 #3 0xb1a093aa in ?? () from /usr/lib/libglib-2.0.so.0 #4 0xb1a5d5f5 in ?? () from /usr/lib/libglib-2.0.so.0 #5 0xb1a5cbca in ?? () from /usr/lib/libglib-2.0.so.0 #6 0xb696d291 in start_thread () from /usr/lib/libpthread.so.0 #7 0xb2394d7e in clone () from /usr/lib/libc.so.6 Thread 12 (Thread 0xa5686b40 (LWP 16451)): #0 0xb776cc11 in __kernel_vsyscall () #1 0xb23907c7 in syscall () from /usr/lib/libc.so.6 #2 0xb1a7c42b in g_cond_wait_until () from /usr/lib/libglib-2.0.so.0 #3 0xb1a093aa in ?? () from /usr/lib/libglib-2.0.so.0 #4 0xb1a5d5f5 in ?? () from /usr/lib/libglib-2.0.so.0 #5 0xb1a5cbca in ?? () from /usr/lib/libglib-2.0.so.0 #6 0xb696d291 in start_thread () from /usr/lib/libpthread.so.0 #7 0xb2394d7e in clone () from /usr/lib/libc.so.6 Thread 11 (Thread 0xa66d8b40 (LWP 16449)): #0 0xb776cc11 in __kernel_vsyscall () #1 0xb238acef in poll () from /usr/lib/libc.so.6 #2 0xb1a44740 in g_poll () from /usr/lib/libglib-2.0.so.0 #3 0xb1a35cdc in ?? () from /usr/lib/libglib-2.0.so.0 #4 0xb1a35e14 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #5 0xb1a35e70 in ?? () from /usr/lib/libglib-2.0.so.0 #6 0xb1a5cbca in ?? () from /usr/lib/libglib-2.0.so.0 #7 0xb696d291 in start_thread () from /usr/lib/libpthread.so.0 #8 0xb2394d7e in clone () from /usr/lib/libc.so.6 Thread 10 (Thread 0xa9ad5b40 (LWP 16435)): #0 0xb776cc11 in __kernel_vsyscall () #1 0xb6972aab in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #2 0xb53d621c in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/libQt5WebKit.so.5 #3 0xb5096306 in ?? () from /usr/lib/libQt5WebKit.so.5 #4 0xb53be7e2 in ?? () from /usr/lib/libQt5WebKit.so.5 #5 0xb53d5c21 in ?? () from /usr/lib/libQt5WebKit.so.5 #6 0xb696d291 in start_thread () from /usr/lib/libpthread.so.0 #7 0xb2394d7e in clone () from /usr/lib/libc.so.6 Thread 9 (Thread 0xaa3d8b40 (LWP 16433)): #0 0xb776cc11 in __kernel_vsyscall () #1 0xb6972aab in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #2 0xb53a791a in ?? () from /usr/lib/libQt5WebKit.so.5 #3 0xb53a796c in ?? () from /usr/lib/libQt5WebKit.so.5 #4 0xb696d291 in start_thread () from /usr/lib/libpthread.so.0 #5 0xb2394d7e in clone () from /usr/lib/libc.so.6 Thread 8 (Thread 0xa7eb3b40 (LWP 16439)): #0 0xb776cc11 in __kernel_vsyscall () #1 0xb6972e75 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #2 0xb26858bc in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQt5Core.so.5 #3 0xb2681078 in ?? () from /usr/lib/libQt5Core.so.5 #4 0xb268470b in ?? () from /usr/lib/libQt5Core.so.5 ---Type to continue, or q to quit--- #5 0xb696d291 in start_thread () from /usr/lib/libpthread.so.0 #6 0xb2394d7e in clone () from /usr/lib/libc.so.6 Thread 7 (Thread 0xabad2b40 (LWP 16429)): #0 0xb776cc11 in __kernel_vsyscall () #1 0xb238acef in poll () from /usr/lib/libc.so.6 #2 0xb1a44740 in g_poll () from /usr/lib/libglib-2.0.so.0 #3 0xb1a35cdc in ?? () from /usr/lib/libglib-2.0.so.0 #4 0xb1a35e14 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #5 0xb28a6483 in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/libQt5Core.so.5 #6 0xb284b733 in QEventLoop::processEvents(QFlags) () from /usr/lib/libQt5Core.so.5 #7 0xb284bb8a in QEventLoop::exec(QFlags) () from /usr/lib/libQt5Core.so.5 #8 0xb267f1fd in QThread::exec() () from /usr/lib/libQt5Core.so.5 #9 0xb267f2d8 in QThread::run() () from /usr/lib/libQt5Core.so.5 #10 0xb268470b in ?? () from /usr/lib/libQt5Core.so.5 #11 0xb696d291 in start_thread () from /usr/lib/libpthread.so.0 #12 0xb2394d7e in clone () from /usr/lib/libc.so.6 Thread 6 (Thread 0xa86b4b40 (LWP 16438)): #0 0xb776cc11 in __kernel_vsyscall () #1 0xb238acef in poll () from /usr/lib/libc.so.6 #2 0xb1a44740 in g_poll () from /usr/lib/libglib-2.0.so.0 #3 0xb1a35cdc in ?? () from /usr/lib/libglib-2.0.so.0 #4 0xb1a35e14 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #5 0xb28a6483 in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/libQt5Core.so.5 #6 0xb284b733 in QEventLoop::processEvents(QFlags) () from /usr/lib/libQt5Core.so.5 #7 0xb284bb8a in QEventLoop::exec(QFlags) () from /usr/lib/libQt5Core.so.5 #8 0xb267f1fd in QThread::exec() () from /usr/lib/libQt5Core.so.5 #9 0xb267f2d8 in QThread::run() () from /usr/lib/libQt5Core.so.5 #10 0xb268470b in ?? () from /usr/lib/libQt5Core.so.5 #11 0xb696d291 in start_thread () from /usr/lib/libpthread.so.0 #12 0xb2394d7e in clone () from /usr/lib/libc.so.6 Thread 5 (Thread 0xaec0fb40 (LWP 16428)): #0 0xb776cc11 in __kernel_vsyscall () #1 0xb238acef in poll () from /usr/lib/libc.so.6 #2 0xb0c39fcd in ?? () from /usr/lib/libxcb.so.1 #3 0xb0c3c14b in xcb_wait_for_event () from /usr/lib/libxcb.so.1 #4 0xaedd4f23 in ?? () from /usr/lib/libQt5XcbQpa.so.5 #5 0xb268470b in ?? () from /usr/lib/libQt5Core.so.5 #6 0xb696d291 in start_thread () from /usr/lib/libpthread.so.0 #7 0xb2394d7e in clone () from /usr/lib/libc.so.6 Thread 4 (Thread 0xa92d4b40 (LWP 16436)): #0 0xb776cc11 in __kernel_vsyscall () #1 0xb6972aab in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #2 0xb53d621c in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/libQt5WebKit.so.5 #3 0xb5097495 in ?? () from /usr/lib/libQt5WebKit.so.5 #4 0xb53be7e2 in ?? () from /usr/lib/libQt5WebKit.so.5 #5 0xb53d5c21 in ?? () from /usr/lib/libQt5WebKit.so.5 #6 0xb696d291 in start_thread () from /usr/lib/libpthread.so.0 #7 0xb2394d7e in clone () from /usr/lib/libc.so.6 Thread 3 (Thread 0xa4e85b40 (LWP 16452)): #0 0xb776cc11 in __kernel_vsyscall () #1 0xb23907c7 in syscall () from /usr/lib/libc.so.6 ---Type to continue, or q to quit--- #2 0xb1a7c42b in g_cond_wait_until () from /usr/lib/libglib-2.0.so.0 #3 0xb1a093aa in ?? () from /usr/lib/libglib-2.0.so.0 #4 0xb1a5d5f5 in ?? () from /usr/lib/libglib-2.0.so.0 #5 0xb1a5cbca in ?? () from /usr/lib/libglib-2.0.so.0 #6 0xb696d291 in start_thread () from /usr/lib/libpthread.so.0 #7 0xb2394d7e in clone () from /usr/lib/libc.so.6 Thread 2 (Thread 0xa5ed7b40 (LWP 16450)): #0 0xb776cc11 in __kernel_vsyscall () #1 0xb238acef in poll () from /usr/lib/libc.so.6 #2 0xb1a44740 in g_poll () from /usr/lib/libglib-2.0.so.0 #3 0xb1a35cdc in ?? () from /usr/lib/libglib-2.0.so.0 #4 0xb1a360f9 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #5 0xada083e5 in ?? () from /usr/lib/libgio-2.0.so.0 #6 0xb1a5cbca in ?? () from /usr/lib/libglib-2.0.so.0 #7 0xb696d291 in start_thread () from /usr/lib/libpthread.so.0 #8 0xb2394d7e in clone () from /usr/lib/libc.so.6 Thread 1 (Thread 0xaefbc780 (LWP 16427)): #0 0x089e59f1 in af_autofitter_load_glyph () #1 0x0898c778 in FT_Load_Glyph () #2 0xadbed47f in ?? () from /usr/lib/libcairo.so.2 #3 0xadb857bf in ?? () from /usr/lib/libcairo.so.2 #4 0xadbbb4ef in ?? () from /usr/lib/libcairo.so.2 #5 0xadb9f7b2 in ?? () from /usr/lib/libcairo.so.2 #6 0xadba1125 in ?? () from /usr/lib/libcairo.so.2 #7 0xadba1303 in ?? () from /usr/lib/libcairo.so.2 #8 0xadb3d97b in ?? () from /usr/lib/libcairo.so.2 #9 0xadbbf677 in ?? () from /usr/lib/libcairo.so.2 #10 0xadb8e952 in ?? () from /usr/lib/libcairo.so.2 #11 0xadb48440 in ?? () from /usr/lib/libcairo.so.2 #12 0xadb38131 in cairo_show_glyphs () from /usr/lib/libcairo.so.2 #13 0xadca53d3 in ?? () from /usr/lib/libpangocairo-1.0.so.0 #14 0xadca577b in ?? () from /usr/lib/libpangocairo-1.0.so.0 #15 0xadcd1c28 in pango_renderer_draw_glyphs () from /usr/lib/libpango-1.0.so.0 #16 0xadca59ba in pango_cairo_show_glyph_string () from /usr/lib/libpangocairo-1.0.so.0 #17 0xadd1fab0 in ?? () from /usr/lib/libgdk-x11-2.0.so.0 #18 0xadcd1c28 in pango_renderer_draw_glyphs () from /usr/lib/libpango-1.0.so.0 #19 0xadcd1cec in pango_renderer_draw_glyph_item () from /usr/lib/libpango-1.0.so.0 #20 0xadcd2a19 in pango_renderer_draw_layout_line () from /usr/lib/libpango-1.0.so.0 #21 0xadcd2be7 in pango_renderer_draw_layout () from /usr/lib/libpango-1.0.so.0 #22 0xadd20a95 in gdk_draw_layout_with_colors () from /usr/lib/libgdk-x11-2.0.so.0 #23 0xadd20d1f in gdk_draw_layout () from /usr/lib/libgdk-x11-2.0.so.0 #24 0xadf586c9 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #25 0xadf650ad in gtk_paint_layout () from /usr/lib/libgtk-x11-2.0.so.0 #26 0xaded0f18 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #27 0xadedce2b in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #28 0xb199e424 in ?? () from /usr/lib/libgobject-2.0.so.0 #29 0xb199fae5 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #30 0xb19b25d4 in ?? () from /usr/lib/libgobject-2.0.so.0 #31 0xb19ba88c in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #32 0xb19bafc5 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #33 0xadffc9a4 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #34 0xade5daf6 in gtk_container_propagate_expose () from /usr/lib/libgtk-x11-2.0.so.0 #35 0xade5db15 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #36 0xade246aa in ?? () from /usr/lib/libgtk-x11-2.0.so.0 ---Type to continue, or q to quit--- #37 0xade5c1c8 in gtk_container_forall () from /usr/lib/libgtk-x11-2.0.so.0 #38 0xade5c401 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #39 0xadedce2b in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #40 0xb199e424 in ?? () from /usr/lib/libgobject-2.0.so.0 #41 0xb199fae5 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #42 0xb19b25d4 in ?? () from /usr/lib/libgobject-2.0.so.0 #43 0xb19ba88c in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #44 0xb19bafc5 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #45 0xadffc9a4 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #46 0xade5daf6 in gtk_container_propagate_expose () from /usr/lib/libgtk-x11-2.0.so.0 #47 0xade5db15 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #48 0xade27178 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #49 0xade5c1c8 in gtk_container_forall () from /usr/lib/libgtk-x11-2.0.so.0 #50 0xade5c401 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #51 0xadedce2b in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #52 0xb199e424 in ?? () from /usr/lib/libgobject-2.0.so.0 #53 0xb199fae5 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #54 0xb19b25d4 in ?? () from /usr/lib/libgobject-2.0.so.0 #55 0xb19ba88c in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #56 0xb19bafc5 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #57 0xadffc9a4 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #58 0xade5daf6 in gtk_container_propagate_expose () from /usr/lib/libgtk-x11-2.0.so.0 #59 0xade5db15 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #60 0xade246aa in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #61 0xade5c1c8 in gtk_container_forall () from /usr/lib/libgtk-x11-2.0.so.0 #62 0xade5c401 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #63 0xade30a9d in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #64 0xadedce2b in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #65 0xb199e424 in ?? () from /usr/lib/libgobject-2.0.so.0 #66 0xb199fae5 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #67 0xb19b25d4 in ?? () from /usr/lib/libgobject-2.0.so.0 #68 0xb19ba88c in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #69 0xb19bafc5 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #70 0xadffc9a4 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #71 0xade5daf6 in gtk_container_propagate_expose () from /usr/lib/libgtk-x11-2.0.so.0 #72 0xadfd969f in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #73 0xadedce2b in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #74 0xb199e424 in ?? () from /usr/lib/libgobject-2.0.so.0 #75 0xb199fb8b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #76 0xb19b25d4 in ?? () from /usr/lib/libgobject-2.0.so.0 #77 0xb19ba88c in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #78 0xb19bafc5 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #79 0xadffc9a4 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #80 0xadedb8f9 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0 #81 0xadd368ba in ?? () from /usr/lib/libgdk-x11-2.0.so.0 #82 0xadd36901 in ?? () from /usr/lib/libgdk-x11-2.0.so.0 #83 0xadd36901 in ?? () from /usr/lib/libgdk-x11-2.0.so.0 #84 0xadd66e3c in ?? () from /usr/lib/libgdk-x11-2.0.so.0 #85 0xadd331fe in ?? () from /usr/lib/libgdk-x11-2.0.so.0 #86 0xadd33b5f in gdk_window_process_all_updates () from /usr/lib/libgdk-x11-2.0.so.0 #87 0xade5bff3 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #88 0xadd118b0 in ?? () from /usr/lib/libgdk-x11-2.0.so.0 #89 0xb1a321d0 in ?? () from /usr/lib/libglib-2.0.so.0 #90 0xb1a3595b in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #91 0xb1a35d49 in ?? () from /usr/lib/libglib-2.0.so.0 #92 0xb1a360f9 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 ---Type to continue, or q to quit--- #93 0xade5f402 in gtk_dialog_run () from /usr/lib/libgtk-x11-2.0.so.0 #94 0xae2b6bf1 in ?? () from /usr/lib/qt/plugins/platformthemes/libqgtk2.so #95 0xb334bfa0 in QDialog::exec() () from /usr/lib/libQt5Widgets.so.5 #96 0xb3360570 in QFileDialog::getExistingDirectoryUrl(QWidget*, QString const&, QUrl const&, QFlags, QStringList const&) () from /usr/lib/libQt5Widgets.so.5 #97 0xb336075f in QFileDialog::getExistingDirectory(QWidget*, QString const&, QString const&, QFlags) () from /usr/lib/libQt5Widgets.so.5 #98 0x0839ae06 in Ms::PreferenceDialog::selectScoresDirectory (this=0xb6df328) at /home/e/MuseScore/mscore/preferences.cpp:1617 #99 0x0864e183 in Ms::PreferenceDialog::qt_static_metacall (_o=0xb6df328, _c=QMetaObject::InvokeMetaMethod, _id=22, _a=0xbf956fe4) at /home/e/MuseScore/build.release/mscore/moc_prefsdialog.cpp:209 #100 0xb287d893 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQt5Core.so.5 #101 0xb287dd9d in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQt5Core.so.5 #102 0xb3504a09 in QAbstractButton::clicked(bool) () from /usr/lib/libQt5Widgets.so.5 #103 0xb3236211 in ?? () from /usr/lib/libQt5Widgets.so.5 #104 0xb32379cd in ?? () from /usr/lib/libQt5Widgets.so.5 #105 0xb3237b7f in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQt5Widgets.so.5 #106 0xb330f701 in QToolButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQt5Widgets.so.5 #107 0xb31762fa in QWidget::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5 #108 0xb3238a70 in QAbstractButton::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5 #109 0xb330f855 in QToolButton::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5 #110 0xb312e26a in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #111 0xb3133fe2 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #112 0xb284e38f in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5 #113 0xb3132f98 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer&, bool) () from /usr/lib/libQt5Widgets.so.5 #114 0xb31931d8 in ?? () from /usr/lib/libQt5Widgets.so.5 #115 0xb3195f0a in ?? () from /usr/lib/libQt5Widgets.so.5 #116 0xb312e26a in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #117 0xb3133930 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #118 0xb284e38f in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5 #119 0xb2b786cf in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/libQt5Gui.so.5 #120 0xb2b7a519 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/libQt5Gui.so.5 #121 0xb2b5d547 in QWindowSystemInterface::sendWindowSystemEvents(QFlags) () from /usr/lib/libQt5Gui.so.5 #122 0xaee09eae in ?? () from /usr/lib/libQt5XcbQpa.so.5 #123 0xb1a35aa9 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #124 0xb1a35d49 in ?? () from /usr/lib/libglib-2.0.so.0 #125 0xb1a35e14 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #126 0xb28a6483 in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/libQt5Core.so.5 #127 0xaee0a081 in ?? () from /usr/lib/libQt5XcbQpa.so.5 #128 0xb284b733 in QEventLoop::processEvents(QFlags) () from /usr/lib/libQt5Core.so.5 #129 0xb284bb8a in QEventLoop::exec(QFlags) () from /usr/lib/libQt5Core.so.5 #130 0xb2854035 in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5 #131 0xb2b6f701 in QGuiApplication::exec() () from /usr/lib/libQt5Gui.so.5 #132 0xb312a274 in QApplication::exec() () from /usr/lib/libQt5Widgets.so.5 #133 0x0825f9df in main (argc=1, av=0xbf9582d4) at /home/e/MuseScore/mscore/musescore.cpp:5162 (gdb)