gdb mscore GNU gdb (GDB) Fedora 7.12-36.fc25 Copyright (C) 2017 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 "x86_64-redhat-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 mscore...(no debugging symbols found)...done. (gdb) run Starting program: /home/local/bin/mscore Missing separate debuginfos, use: dnf debuginfo-install glibc-2.24-4.fc25.x86_64 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". [New Thread 0x7fffd56a4700 (LWP 8396)] [New Thread 0x7fffcd7df700 (LWP 8397)] [New Thread 0x7fffccfde700 (LWP 8398)] [New Thread 0x7fffc7fff700 (LWP 8399)] [New Thread 0x7fffc77fe700 (LWP 8400)] [New Thread 0x7fffc5084700 (LWP 8402)] QDir::mkpath: Empty or null file name QDir::mkpath: Empty or null file name QDir::mkpath: Empty or null file name QDir::mkpath: Empty or null file name QDir::mkpath: Empty or null file name [New Thread 0x7fffaa717700 (LWP 8403)] [New Thread 0x7fffa9f16700 (LWP 8404)] Thread 1 "mscore" received signal SIGSEGV, Segmentation fault. 0x00007fffef5b1ec0 in typeinfo for QSignalMapper () from /lib64/libQt5Core.so.5 Missing separate debuginfos, use: dnf debuginfo-install GConf2-3.2.6-16.fc24.x86_64 adwaita-qt5-0.97-1.fc25.x86_64 alsa-lib-1.1.1-2.fc25.x86_64 at-spi2-atk-2.22.0-1.fc25.x86_64 at-spi2-core-2.22.0-1.fc25.x86_64 atk-2.22.0-1.fc25.x86_64 avahi-libs-0.6.32-4.fc25.x86_64 bzip2-libs-1.0.6-21.fc25.x86_64 cairo-1.14.8-1.fc25.x86_64 cairo-gobject-1.14.8-1.fc25.x86_64 clucene09-core-0.9.21b-16.fc24.x86_64 cups-libs-2.2.0-5.fc25.x86_64 dbus-glib-0.108-1.fc25.x86_64 dbus-libs-1.11.8-1.fc25.x86_64 dconf-0.26.0-1.fc25.x86_64 elfutils-libelf-0.168-1.fc25.x86_64 expat-2.2.0-1.fc25.x86_64 flac-libs-1.3.2-1.fc25.x86_64 fontconfig-2.12.1-1.fc25.x86_64 freetype-2.6.5-1.fc25.x86_64 gdk-pixbuf2-2.36.4-1.fc25.x86_64 glib2-2.50.2-1.fc25.x86_64 gmp-6.1.1-1.fc25.x86_64 gnutls-3.5.8-1.fc25.x86_64 graphite2-1.3.6-1.fc25.x86_64 gsm-1.0.16-1.fc25.x86_64 gtk3-3.22.7-1.fc25.x86_64 gvfs-client-1.30.3-1.fc25.x86_64 harfbuzz-1.3.2-1.fc25.x86_64 jack-audio-connection-kit-1.9.10-5.fc24.x86_64 jasper-libs-1.900.13-1.fc25.x86_64 jbigkit-libs-2.1-5.fc24.x86_64 json-c-0.12-7.fc24.x86_64 keyutils-libs-1.5.9-8.fc24.x86_64 krb5-libs-1.14.4-4.fc25.x86_64 lcms2-2.8-2.fc25.x86_64 libICE-1.0.9-5.fc25.x86_64 libSM-1.2.2-4.fc24.x86_64 libX11-1.6.4-3.fc25.x86_64 libXau-1.0.8-6.fc24.x86_64 libXcomposite-0.4.4-8.fc24.x86_64 libXcursor-1.1.14-6.fc24.x86_64 libXdamage-1.1.4-8.fc24.x86_64 libXext-1.3.3-4.fc24.x86_64 libXfixes-5.0.3-1.fc25.x86_64 libXi-1.7.8-2.fc25.x86_64 libXinerama-1.1.3-6.fc24.x86_64 libXrandr-1.5.1-1.fc25.x86_64 libXrender-0.9.10-1.fc25.x86_64 libXtst-1.2.3-1.fc25.x86_64 libXxf86vm-1.1.4-3.fc24.x86_64 libasyncns-0.8-10.fc24.x86_64 libblkid-2.28.2-1.fc25.x86_64 libcap-2.25-2.fc25.x86_64 libcom_err-1.43.3-1.fc25.x86_64 libcrypt-nss-2.24-4.fc25.x86_64 libdatrie-0.2.9-3.fc25.x86_64 libdrm-2.4.74-1.fc25.x86_64 libepoxy-1.3.1-3.fc25.x86_64 libevdev-1.5.6-1.fc25.x86_64 libevent-2.0.22-1.fc25.x86_64 libffi-3.1-9.fc24.x86_64 libgcc-6.3.1-1.fc25.x86_64 libgcrypt-1.6.6-1.fc25.x86_64 libgpg-error-1.24-1.fc25.x86_64 libgudev-230-3.fc24.x86_64 libicu-57.1-4.fc25.x86_64 libidn-1.33-1.fc25.x86_64 libinput-1.5.902-1.fc25.x86_64 libjpeg-turbo-1.5.1-0.fc25.x86_64 libmng-2.0.3-3.fc24.x86_64 libmodman-2.0.1-12.fc24.x86_64 libmount-2.28.2-1.fc25.x86_64 libogg-1.3.2-5.fc24.x86_64 libpciaccess-0.13.4-3.fc24.x86_64 libpng-1.6.27-1.fc25.x86_64 libproxy-0.4.14-1.fc25.x86_64 libselinux-2.5-13.fc25.x86_64 libsndfile-1.0.27-1.fc25.x86_64 libsrtp-1.5.4-3.fc25.x86_64 libstdc++-6.3.1-1.fc25.x86_64 libtasn1-4.10-1.fc25.x86_64 libthai-0.1.25-1.fc25.x86_64 libtiff-4.0.7-1.fc25.x86_64 libunistring-0.9.4-3.fc24.x86_64 libuuid-2.28.2-1.fc25.x86_64 libvorbis-1.3.5-1.fc25.x86_64 libvpx-1.6.1-1.fc25.x86_64 libwacom-0.22-2.fc25.x86_64 libwayland-client-1.12.0-1.fc25.x86_64 libwayland-cursor-1.12.0-1.fc25.x86_64 libwayland-server-1.12.0-1.fc25.x86_64 libwebp-0.5.2-1.fc25.x86_64 libxcb-1.12-1.fc25.x86_64 libxkbcommon-0.6.1-1.fc25.x86_64 libxkbcommon-x11-0.6.1-1.fc25.x86_64 libxml2-2.9.3-4.fc25.x86_64 libxshmfence-1.2-3.fc24.x86_64 libxslt-1.1.28-13.fc25.x86_64 llvm-libs-3.8.1-2.fc25.x86_64 lz4-1.7.5-1.fc25.x86_64 mesa-dri-drivers-13.0.3-1.fc25.x86_64 mesa-libEGL-13.0.3-1.fc25.x86_64 mesa-libGL-13.0.3-1.fc25.x86_64 mesa-libgbm-13.0.3-1.fc25.x86_64 mesa-libglapi-13.0.3-1.fc25.x86_64 mesa-libwayland-egl-13.0.3-1.fc25.x86_64 minizip-1.2.8-10.fc24.x86_64 mtdev-1.1.5-6.fc24.x86_64 ncurses-libs-6.0-6.20160709.fc25.x86_64 nettle-3.3-1.fc25.x86_64 nspr-4.13.1-1.fc25.x86_64 nss-3.27.0-1.3.fc25.x86_64 nss-softokn-freebl-3.27.0-1.0.fc25.x86_64 nss-util-3.27.0-1.0.fc25.x86_64 openssl-libs-1.0.2j-3.fc25.x86_64 opus-1.1.3-1.fc25.x86_64 p11-kit-0.23.2-2.fc24.x86_64 pango-1.40.3-1.fc25.x86_64 pciutils-libs-3.5.2-1.fc25.x86_64 pcre-8.40-1.fc25.x86_64 pcre-utf16-8.40-1.fc25.x86_64 pixman-0.34.0-2.fc24.x86_64 portaudio-19-23.fc24.x86_64 protobuf-2.6.1-5.fc25.x86_64 pulseaudio-libs-9.0-1.fc25.x86_64 qgnomeplatform-0.2-13.20161205git.fc25.x86_64 qt5-qtbase-5.7.1-10.fc25.x86_64 qt5-qtbase-gui-5.7.1-10.fc25.x86_64 qt5-qtdeclarative-5.7.1-5.fc25.x86_64 qt5-qtimageformats-5.7.1-2.fc25.x86_64 qt5-qtlocation-5.7.1-2.fc25.x86_ (gdb) tb Temporary breakpoint 1 at 0x7fffef5b1ec0 (gdb) bt #0 0x00007fffef5b1ec0 in typeinfo for QSignalMapper () at /lib64/libQt5Core.so.5 #1 0x0000000000dd4d31 in Ms::BspTree::items(QRectF const&) () #2 0x0000000000cb1aea in Ms::Page::items(QRectF const&) () #3 0x0000000000744421 in Ms::ScoreView::paint(QRect const&, QPainter&) () #4 0x00000000007455e2 in Ms::ScoreView::paintEvent(QPaintEvent*) () #5 0x00007ffff52f1780 in QWidget::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #6 0x00007ffff52a9ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #7 0x00007ffff52b1671 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #8 0x00007fffef3787aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5 #9 0x00007ffff52ea46a in QWidgetPrivate::sendPaintEvent(QRegion const&) () at /lib64/libQt5Widgets.so.5 #10 0x00007ffff52eaac5 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5 #11 0x00007ffff52ba23e in QWidgetBackingStore::doSync() () at /lib64/libQt5Widgets.so.5 #12 0x00007ffff52ba47f in QWidgetBackingStore::sync() () at /lib64/libQt5Widgets.so.5 #13 0x00007ffff52d93df in QWidgetPrivate::syncBackingStore() () at /lib64/libQt5Widgets.so.5 #14 0x00007ffff52f1858 in QWidget::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #15 0x00007ffff53f101b in QMainWindow::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #16 0x00007ffff52a9ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #17 0x00007ffff52b1671 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #18 0x00007fffef3787aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5 #19 0x00007fffef37ae90 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5 #20 0x00007fffef3c66a3 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5 #21 0x00007fffebae8e42 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0 #22 0x00007fffebae91c0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0 #23 0x00007fffebae926c in g_main_context_iteration () at /lib64/libglib-2.0.so.0 #24 0x00007fffef3c671f in QEventDispatcherGlib::processEvents(QFlags) () at /lib64/libQt5Core.so.5 #25 0x00007fffef37773a in QEventLoop::exec(QFlags) () at /lib64/libQt5Core.so.5 #26 0x00007fffef37f23c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5 #27 0x000000000070891e in main () (gdb) q A debugging session is active. Inferior 1 [process 8392] will be killed.