GNU gdb (GDB) 7.7.1 Copyright (C) 2014 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-unknown-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 qmlscene-qt5...(no debugging symbols found)...done. (gdb) run Starting program: /usr/bin/qmlscene-qt5 webview-crash.qml [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". [New Thread 0x7fffea8e9700 (LWP 2884)] [New Thread 0x7fffe88c1700 (LWP 2885)] [New Thread 0x7fffd950d700 (LWP 2886)] [New Thread 0x7fff98d0a700 (LWP 2887)] [New Thread 0x7fff93fff700 (LWP 2888)] [New Thread 0x7fff937fe700 (LWP 2889)] [New Thread 0x7fff92ffd700 (LWP 2890)] [New Thread 0x7fff927fc700 (LWP 2892)] Program received signal SIGSEGV, Segmentation fault. 0x0000000000000000 in ?? () (gdb) thread apply all bt full Thread 9 (Thread 0x7fff927fc700 (LWP 2892)): #0 0x00007ffff52dc81d in poll () from /usr/lib/libc.so.6 No symbol table info available. #1 0x00007ffff4509d64 in ?? () from /usr/lib/libglib-2.0.so.0 No symbol table info available. #2 0x00007ffff4509e6c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 No symbol table info available. #3 0x00007ffff5e9eb57 in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/libQt5Core.so.5 No symbol table info available. #4 0x00007ffff5e45022 in QEventLoop::exec(QFlags) () from /usr/lib/libQt5Core.so.5 No symbol table info available. #5 0x00007ffff5c55474 in QThread::exec() () from /usr/lib/libQt5Core.so.5 No symbol table info available. #6 0x00007ffff5c5a46e in ?? () from /usr/lib/libQt5Core.so.5 No symbol table info available. #7 0x00007ffff4a20124 in start_thread () from /usr/lib/libpthread.so.0 No symbol table info available. #8 0x00007ffff52e54bd in clone () from /usr/lib/libc.so.6 No symbol table info available. Thread 8 (Thread 0x7fff92ffd700 (LWP 2890)): #0 0x00007ffff52de553 in select () from /usr/lib/libc.so.6 No symbol table info available. #1 0x00007ffff5dd8de1 in ?? () from /usr/lib/libQt5Core.so.5 No symbol table info available. #2 0x00007ffff5c5a46e in ?? () from /usr/lib/libQt5Core.so.5 No symbol table info available. #3 0x00007ffff4a20124 in start_thread () from /usr/lib/libpthread.so.0 No symbol table info available. #4 0x00007ffff52e54bd in clone () from /usr/lib/libc.so.6 No symbol table info available. Thread 7 (Thread 0x7fff937fe700 (LWP 2889)): #0 0x00007ffff52dc81d in poll () from /usr/lib/libc.so.6 No symbol table info available. #1 0x00007ffff4509d64 in ?? () from /usr/lib/libglib-2.0.so.0 No symbol table info available. #2 0x00007ffff4509e6c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 No symbol table info available. #3 0x00007ffff5e9eb6c in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/libQt5Core.so.5 No symbol table info available. #4 0x00007ffff5e45022 in QEventLoop::exec(QFlags) () from /usr/lib/libQt5Core.so.5 No symbol table info available. #5 0x00007ffff5c55474 in QThread::exec() () from /usr/lib/libQt5Core.so.5 No symbol table info available. #6 0x00007ffff5c5a46e in ?? () from /usr/lib/libQt5Core.so.5 No symbol table info available. #7 0x00007ffff4a20124 in start_thread () from /usr/lib/libpthread.so.0 No symbol table info available. #8 0x00007ffff52e54bd in clone () from /usr/lib/libc.so.6 No symbol table info available. Thread 6 (Thread 0x7fff93fff700 (LWP 2888)): #0 0x00007ffff4a24b2f in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 No symbol table info available. #1 0x00007fffda464054 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #2 0x00007fffda465b97 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #3 0x00007fffdb545dc1 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #4 0x00007ffff4a20124 in start_thread () from /usr/lib/libpthread.so.0 No symbol table info available. #5 0x00007ffff52e54bd in clone () from /usr/lib/libc.so.6 No symbol table info available. Thread 5 (Thread 0x7fff98d0a700 (LWP 2887)): #0 0x00007ffff52dc81d in poll () from /usr/lib/libc.so.6 No symbol table info available. #1 0x00007ffff4509d64 in ?? () from /usr/lib/libglib-2.0.so.0 No symbol table info available. #2 0x00007ffff4509e6c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 No symbol table info available. #3 0x00007ffff5e9eb57 in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/libQt5Core.so.5 No symbol table info available. #4 0x00007ffff5e45022 in QEventLoop::exec(QFlags) () from /usr/lib/libQt5Core.so.5 No symbol table info available. #5 0x00007ffff5c55474 in QThread::exec() () from /usr/lib/libQt5Core.so.5 No symbol table info available. #6 0x00007ffff5c5a46e in ?? () from /usr/lib/libQt5Core.so.5 No symbol table info available. #7 0x00007ffff4a20124 in start_thread () from /usr/lib/libpthread.so.0 No symbol table info available. #8 0x00007ffff52e54bd in clone () from /usr/lib/libc.so.6 No symbol table info available. Thread 4 (Thread 0x7fffd950d700 (LWP 2886)): #0 0x00007ffff4a24b2f in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 No symbol table info available. #1 0x00007fffdb5154d0 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #2 0x00007fffdb5154f9 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #3 0x00007ffff4a20124 in start_thread () from /usr/lib/libpthread.so.0 No symbol table info available. #4 0x00007ffff52e54bd in clone () from /usr/lib/libc.so.6 No symbol table info available. Thread 3 (Thread 0x7fffe88c1700 (LWP 2885)): #0 0x00007ffff52dc81d in poll () from /usr/lib/libc.so.6 No symbol table info available. #1 0x00007ffff4509d64 in ?? () from /usr/lib/libglib-2.0.so.0 No symbol table info available. #2 0x00007ffff4509e6c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 No symbol table info available. #3 0x00007ffff5e9eb57 in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/libQt5Core.so.5 No symbol table info available. #4 0x00007ffff5e45022 in QEventLoop::exec(QFlags) () from /usr/lib/libQt5Core.so.5 No symbol table info available. #5 0x00007ffff5c55474 in QThread::exec() () from /usr/lib/libQt5Core.so.5 No symbol table info available. #6 0x00007ffff5c5a46e in ?? () from /usr/lib/libQt5Core.so.5 No symbol table info available. #7 0x00007ffff4a20124 in start_thread () from /usr/lib/libpthread.so.0 No symbol table info available. #8 0x00007ffff52e54bd in clone () from /usr/lib/libc.so.6 No symbol table info available. Thread 2 (Thread 0x7fffea8e9700 (LWP 2884)): #0 0x00007ffff52dc81d in poll () from /usr/lib/libc.so.6 No symbol table info available. #1 0x00007ffff0dab992 in ?? () from /usr/lib/libxcb.so.1 No symbol table info available. #2 0x00007ffff0dad47f in xcb_wait_for_event () from /usr/lib/libxcb.so.1 No symbol table info available. #3 0x00007fffed3178f9 in ?? () from /usr/lib/qt/plugins/platforms/libqxcb.so No symbol table info available. #4 0x00007ffff5c5a46e in ?? () from /usr/lib/libQt5Core.so.5 No symbol table info available. #5 0x00007ffff4a20124 in start_thread () from /usr/lib/libpthread.so.0 No symbol table info available. #6 0x00007ffff52e54bd in clone () from /usr/lib/libc.so.6 No symbol table info available. Thread 1 (Thread 0x7ffff7f68780 (LWP 2880)): #0 0x0000000000000000 in ?? () No symbol table info available. #1 0x00007fffdb11c2f7 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #2 0x00007fffdb0ee3d3 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #3 0x00007fffdb11b6d6 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #4 0x00007fffda52e263 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #5 0x00007fffda53a534 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #6 0x00007fffda53705b in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #7 0x00007fffda544054 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #8 0x00007fffda544675 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #9 0x00007fffda54211b in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #10 0x00007fffda53deb8 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #11 0x00007fffda3b4faf in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #12 0x00007fffda549f3a in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #13 0x00007fffda54a5a3 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #14 0x00007fffda3b100b in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #15 0x00007fffda3b4121 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #16 0x00007fffda3b4302 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #17 0x00007fffda3b3dab in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #18 0x00007fffda3b409c in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #19 0x00007fffda3b4302 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #20 0x00007fffda3b3dab in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #21 0x00007fffda3b409c in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #22 0x00007fffda3b4302 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #23 0x00007fffda3b3dab in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #24 0x00007fffda3b409c in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #25 0x00007fffda3b4302 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #26 0x00007fffda3b3dab in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #27 0x00007fffda3b3ecd in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #28 0x00007fffda551f35 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #29 0x00007fffd9fea8c3 in ?? () from /usr/lib/libQt5WebKit.so.5 No symbol table info available. #30 0x00007ffff794f5f1 in QSGBatchRenderer::Renderer::renderRenderNode(QSGBatchRenderer::Batch*) () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #31 0x00007ffff794fc45 in QSGBatchRenderer::Renderer::renderBatches() () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #32 0x00007ffff79502ca in QSGBatchRenderer::Renderer::render() () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #33 0x00007ffff795c58c in QSGRenderer::renderScene(QSGBindable const&) () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #34 0x00007ffff795cb07 in QSGRenderer::renderScene() () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #35 0x00007ffff796bfe0 in QSGRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #36 0x00007ffff79a94f2 in QQuickWindowPrivate::renderSceneGraph(QSize const&) () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #37 0x00007ffff7986f5a in ?? () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #38 0x00007ffff7987eb1 in ?? () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #39 0x00007ffff6afc0fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 No symbol table info available. #40 0x00007ffff6b013ae in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 No symbol table info available. #41 0x00007ffff5e475fb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5 No symbol table info available. #42 0x00007ffff5e9da4d in QTimerInfoList::activateTimers() () from /usr/lib/libQt5Core.so.5 No symbol table info available. #43 0x00007ffff5e9de91 in ?? () from /usr/lib/libQt5Core.so.5 No symbol table info available. #44 0x00007ffff4509b84 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 No symbol table info available. #45 0x00007ffff4509dc8 in ?? () from /usr/lib/libglib-2.0.so.0 No symbol table info available. #46 0x00007ffff4509e6c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 No symbol table info available. #47 0x00007ffff5e9eb57 in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/libQt5Core.so.5 No symbol table info available. #48 0x00007ffff5e45022 in QEventLoop::exec(QFlags) () from /usr/lib/libQt5Core.so.5 No symbol table info available. #49 0x00007ffff5e4c9dc in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5 No symbol table info available. #50 0x0000000000404359 in ?? () No symbol table info available. #51 0x00007ffff521c000 in __libc_start_main () from /usr/lib/libc.so.6 No symbol table info available. #52 0x0000000000406565 in ?? () No symbol table info available. (gdb) quit A debugging session is active. Inferior 1 [process 2880] will be killed. Quit anyway? (y or n)