374198 2016-12-27 09:28:22 +0000 systemsettings crash while going back to main screen 2016-12-31 05:47:01 +0000 1 1 2 Applications systemsettings general 5.8.4 Neon Linux RESOLVED DUPLICATE 372597 drkonqi NOR crash --- 0 L.Bonnaud plasma-bugs-null 0 oldest_to_newest 1647702 0 L.Bonnaud 2016-12-27 09:28:22 +0000 Application: systemsettings5 (5.8.90) Qt Version: 5.7.0 Frameworks Version: 5.30.0 Operating System: Linux 4.8.15-040815-generic x86_64 Distribution: Ubuntu 16.10 -- Information about the crash: - What I was doing when the application crashed: I was exploring all settings and was hitting the back arrow to return to the main screen. -- Backtrace: Application: System Settings (systemsettings5), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7f6df98378c0 (LWP 24023))] Thread 7 (Thread 0x7f6dca661700 (LWP 26658)): #0 0x00007f6e0000d820 in g_poll (fds=0x478b9a0, nfds=1, timeout=-1) at ././glib/gpoll.c:124 #1 0x00007f6dffffd9d6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x478b9a0, timeout=<optimized out>, context=0x4b17130) at ././glib/gmain.c:4228 #2 0x00007f6dffffd9d6 in g_main_context_iterate (context=context@entry=0x4b17130, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3924 #3 0x00007f6dffffdaec in g_main_context_iteration (context=0x4b17130, may_block=may_block@entry=1) at ././glib/gmain.c:3990 #4 0x00007f6e055f223b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x4b95a40, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #5 0x00007f6e0559ccea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f6dca660ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:210 #6 0x00007f6e053c1fb4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507 #7 0x00007f6e03d1a675 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #8 0x00007f6e053c6b98 in QThreadPrivate::start(void*) (arg=0x4b89df0) at thread/qthread_unix.cpp:344 #9 0x00007f6e01ed36ca in start_thread (arg=0x7f6dca661700) at pthread_create.c:333 #10 0x00007f6e04cd10af in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 6 (Thread 0x7f6dd519b700 (LWP 26657)): #0 0x00007f6e00043044 in g_mutex_unlock (mutex=0x39b1b20) at ././glib/gthread-posix.c:1348 #1 0x00007f6dffffd1d9 in g_main_context_query (context=context@entry=0x39b1b20, max_priority=2147483647, timeout=timeout@entry=0x7f6dd519aba4, fds=fds@entry=0x34d70d0, n_fds=n_fds@entry=1) at ././glib/gmain.c:3656 #2 0x00007f6dffffd948 in g_main_context_iterate (context=context@entry=0x39b1b20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3911 #3 0x00007f6dffffdaec in g_main_context_iteration (context=0x39b1b20, may_block=may_block@entry=1) at ././glib/gmain.c:3990 #4 0x00007f6e055f223b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x3bd4fb0, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #5 0x00007f6e0559ccea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f6dd519ace0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:210 #6 0x00007f6e053c1fb4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507 #7 0x00007f6e03d1a675 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #8 0x00007f6e053c6b98 in QThreadPrivate::start(void*) (arg=0x3c24a50) at thread/qthread_unix.cpp:344 #9 0x00007f6e01ed36ca in start_thread (arg=0x7f6dd519b700) at pthread_create.c:333 #10 0x00007f6e04cd10af in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 5 (Thread 0x7f6dd2f02700 (LWP 26656)): #0 0x00007f6e04cc50bd in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f6dffffd9d6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x2a01e50, timeout=<optimized out>, context=0x3156590) at ././glib/gmain.c:4228 #2 0x00007f6dffffd9d6 in g_main_context_iterate (context=context@entry=0x3156590, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3924 #3 0x00007f6dffffdaec in g_main_context_iteration (context=0x3156590, may_block=may_block@entry=1) at ././glib/gmain.c:3990 #4 0x00007f6e055f223b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x23a5bd0, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #5 0x00007f6e0559ccea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f6dd2f01ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:210 #6 0x00007f6e053c1fb4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507 #7 0x00007f6e03d1a675 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #8 0x00007f6e053c6b98 in QThreadPrivate::start(void*) (arg=0x24cc330) at thread/qthread_unix.cpp:344 #9 0x00007f6e01ed36ca in start_thread (arg=0x7f6dd2f02700) at pthread_create.c:333 #10 0x00007f6e04cd10af in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 4 (Thread 0x7f6dd378b700 (LWP 26650)): #0 0x00007f6dffffcee5 in g_main_context_prepare (context=context@entry=0x222cff0, priority=priority@entry=0x7f6dd378abc0) at ././glib/gmain.c:3513 #1 0x00007f6dffffd8fb in g_main_context_iterate (context=context@entry=0x222cff0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3909 #2 0x00007f6dffffdaec in g_main_context_iteration (context=0x222cff0, may_block=may_block@entry=1) at ././glib/gmain.c:3990 #3 0x00007f6e055f223b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x1d9f6e0, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #4 0x00007f6e0559ccea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f6dd378ad00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:210 #5 0x00007f6e053c1fb4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507 #6 0x00007f6e053c6b98 in QThreadPrivate::start(void*) (arg=0x236c8f0) at thread/qthread_unix.cpp:344 #7 0x00007f6e01ed36ca in start_thread (arg=0x7f6dd378b700) at pthread_create.c:333 #8 0x00007f6e04cd10af in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 3 (Thread 0x7f6ddd507700 (LWP 26649)): #0 0x00007f6e00043044 in g_mutex_unlock (mutex=0x2a25be0) at ././glib/gthread-posix.c:1348 #1 0x00007f6dffffd9ca in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x23ce110, timeout=<optimized out>, context=0x2a25be0) at ././glib/gmain.c:4227 #2 0x00007f6dffffd9ca in g_main_context_iterate (context=context@entry=0x2a25be0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3924 #3 0x00007f6dffffdaec in g_main_context_iteration (context=0x2a25be0, may_block=may_block@entry=1) at ././glib/gmain.c:3990 #4 0x00007f6e055f223b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x2a74df0, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #5 0x00007f6e0559ccea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f6ddd506d00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:210 #6 0x00007f6e053c1fb4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507 #7 0x00007f6e053c6b98 in QThreadPrivate::start(void*) (arg=0x2362c60) at thread/qthread_unix.cpp:344 #8 0x00007f6e01ed36ca in start_thread (arg=0x7f6ddd507700) at pthread_create.c:333 #9 0x00007f6e04cd10af in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 2 (Thread 0x7f6df4e3c700 (LWP 24025)): #0 0x00007f6dffffd401 in g_main_context_check (context=context@entry=0x1dd5570, max_priority=2147483647, fds=fds@entry=0x1db1df0, n_fds=n_fds@entry=1) at ././glib/gmain.c:3808 #1 0x00007f6dffffd974 in g_main_context_iterate (context=context@entry=0x1dd5570, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3926 #2 0x00007f6dffffdaec in g_main_context_iteration (context=0x1dd5570, may_block=may_block@entry=1) at ././glib/gmain.c:3990 #3 0x00007f6e055f223b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x1dbaba0, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #4 0x00007f6e0559ccea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f6df4e3bcd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:210 #5 0x00007f6e053c1fb4 in QThread::exec() (this=this@entry=0x7f6e0874dd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:507 #6 0x00007f6e086d97a5 in QDBusConnectionManager::run() (this=0x7f6e0874dd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:196 #7 0x00007f6e053c6b98 in QThreadPrivate::start(void*) (arg=0x7f6e0874dd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:344 #8 0x00007f6e01ed36ca in start_thread (arg=0x7f6df4e3c700) at pthread_create.c:333 #9 0x00007f6e04cd10af in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 1 (Thread 0x7f6df98378c0 (LWP 24023)): [KCrash Handler] #6 0x00007f6df8da7609 in wl_map_insert_at () at /usr/lib/x86_64-linux-gnu/libwayland-client.so.0 #7 0x00007f6df8da386e in wl_proxy_destroy () at /usr/lib/x86_64-linux-gnu/libwayland-client.so.0 #8 0x00007f6df7df3f45 in KWayland::Client::Registry::release() () at /usr/lib/x86_64-linux-gnu/libKF5WaylandClient.so.5 #9 0x00007f6df7df3f6c in KWayland::Client::Registry::~Registry() () at /usr/lib/x86_64-linux-gnu/libKF5WaylandClient.so.5 #10 0x00007f6df7df4019 in KWayland::Client::Registry::~Registry() () at /usr/lib/x86_64-linux-gnu/libKF5WaylandClient.so.5 #11 0x00007f6e055c82e3 in QObjectPrivate::deleteChildren() (this=this@entry=0x22ff870) at kernel/qobject.cpp:1970 #12 0x00007f6e055d1484 in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1041 #13 0x00007f6deaea4293 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemKWaylandPlugin.so #14 0x00007f6e04c032e0 in __run_exit_handlers (status=0, listp=0x7f6e04f8a5d8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at exit.c:83 #15 0x00007f6e04c0333a in __GI_exit (status=<optimized out>) at exit.c:105 #16 0x00007f6e04be93f8 in __libc_start_main (main=0x40beb0, argc=1, argv=0x7ffd0356d8e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd0356d8d8) at ../csu/libc-start.c:325 #17 0x000000000040c319 in _start () Possible duplicates by query: bug 372597. Reported using DrKonqi 1647704 1 L.Bonnaud 2016-12-27 09:32:28 +0000 This crash is very easy to reproduce: 1. open systemsettings 2. click on "Worspace Theme" 3. close the window 1648537 2 cfeck 2016-12-31 05:47:01 +0000 *** This bug has been marked as a duplicate of bug 372597 ***