I can reproducably crash plasmashell by slowly scrolling inside an application category (e.g. Internet) with the mouse wheel. Qt is 5.3 branch. ASSERT message: plasmashell(3780)/default qt_assert: ASSERT: "!isEmpty()" in file /home/sho/devel/src/qt5/qtbase/include/QtCore/../../src/corelib/tools/qlist.h, line 298 Backtrace: Application: plasmashell (plasmashell), signal: Aborted Using host libthread_db library "/lib64/libthread_db.so.1". 81 T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS) [Current thread is 1 (Thread 0x7f56e27b3900 (LWP 3780))] Thread 25 (Thread 0x7f56db93d700 (LWP 3781)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348ee09f72 in poll (__timeout=-1, __nfds=1, __fds=0x7f56db93cc10) at /usr/include/bits/poll2.h:46 #2 _xcb_conn_wait (c=c@entry=0xea8de0, cond=cond@entry=0xea8e20, vector=vector@entry=0x0, count=count@entry=0x0) at xcb_conn.c:414 #3 0x000000348ee0b6bf in xcb_wait_for_event (c=0xea8de0) at xcb_in.c:526 #4 0x00007f56dbf843f3 in QXcbEventReader::run (this=0xeb6ec0) at qxcbconnection.cpp:1043 #5 0x00007f56e547866b in QThreadPrivate::start (arg=0xeb6ec0) at thread/qthread_unix.cpp:345 #6 0x000000348c207f33 in start_thread (arg=0x7f56db93d700) at pthread_create.c:309 #7 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 24 (Thread 0x7f56d3eb7700 (LWP 3782)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f56cc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f56d3eb6c60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f56d3eb6c60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0xfa39c0) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0xfa39c0) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0xfa39c0) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f56d3eb7700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 23 (Thread 0x7f56c991a700 (LWP 3783)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f56c40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f56c9919c60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f56c9919c60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x12739a0) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x12739a0) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x12739a0) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f56c991a700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 22 (Thread 0x7f56c3fff700 (LWP 3784)): #0 0x000000348b6ec703 in select () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f56e562b137 in QProcessManager::run (this=0xeb8940) at io/qprocess_unix.cpp:272 #2 0x00007f56e547866b in QThreadPrivate::start (arg=0xeb8940) at thread/qthread_unix.cpp:345 #3 0x000000348c207f33 in start_thread (arg=0x7f56c3fff700) at pthread_create.c:309 #4 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 21 (Thread 0x7f56c37fe700 (LWP 3786)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f56b40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f56c37fdc60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f56c37fdc60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x1531ef0) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x1531ef0) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x1531ef0) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f56c37fe700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 20 (Thread 0x7f56b2e0c700 (LWP 3790)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f56a40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f56b2e0bc60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f56b2e0bc60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x1747b60) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x1747b60) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x1747b60) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f56b2e0c700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 19 (Thread 0x7f56b1d7b700 (LWP 3791)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f56a80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f56b1d7ac60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f56b1d7ac60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x18293a0) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x18293a0) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x18293a0) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f56b1d7b700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 18 (Thread 0x7f56b0c8a700 (LWP 3792)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f569c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f56b0c89c60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f56b0c89c60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x191d4e0) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x191d4e0) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x191d4e0) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f56b0c8a700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 17 (Thread 0x7f56a37ff700 (LWP 3793)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f56980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f56a37fec60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f56a37fec60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x19d9360) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x19d9360) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x19d9360) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f56a37ff700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 16 (Thread 0x7f56a27fe700 (LWP 3794)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f56900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f56a27fdc60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f56a27fdc60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x1ad1d00) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x1ad1d00) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x1ad1d00) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f56a27fe700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 15 (Thread 0x7f56a17fd700 (LWP 3795)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f56940008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f56a17fcc60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f56a17fcc60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x1baf770) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x1baf770) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x1baf770) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f56a17fd700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 14 (Thread 0x7f560ffff700 (LWP 3796)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f56080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f560fffec60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f560fffec60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x1c760d0) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x1c760d0) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x1c760d0) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f560ffff700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 13 (Thread 0x7f56c27fd700 (LWP 3797)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f56b8032e10, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f56c27fcc60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f56c27fcc60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x1610bc0) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x1610bc0) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x1610bc0) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f56c27fd700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 12 (Thread 0x7f56b3fff700 (LWP 3798)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f469 in QEventDispatcherGlib::processEvents (this=0x7f56ac002f00, flags=...) at kernel/qeventdispatcher_glib.cpp:428 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f56b3ffebf0, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f56b3ffebf0, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x16b3d60) at thread/qthread.cpp:511 #7 0x00007f56ed25c386 in QQuickPixmapReader::run (this=0x16b3d60) at util/qquickpixmapcache.cpp:688 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x16b3d60) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f56b3fff700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 11 (Thread 0x7f560e7de700 (LWP 3799)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f56000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f560e7ddc60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f560e7ddc60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x1ffc9a0) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x1ffc9a0) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x1ffc9a0) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f560e7de700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 10 (Thread 0x7f560cc1e700 (LWP 3800)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f469 in QEventDispatcherGlib::processEvents (this=0x7f56040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f560cc1dc60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f560cc1dc60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x2a87690) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x2a87690) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x2a87690) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f560cc1e700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 9 (Thread 0x7f55ff7ff700 (LWP 3801)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f55f80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f55ff7fec60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f55ff7fec60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x2b4b940) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x2b4b940) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x2b4b940) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f55ff7ff700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 8 (Thread 0x7f55fe7fe700 (LWP 3802)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f469 in QEventDispatcherGlib::processEvents (this=0x7f55f00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f55fe7fdc60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f55fe7fdc60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x2c3ebd0) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x2c3ebd0) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x2c3ebd0) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f55fe7fe700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 7 (Thread 0x7f55fd7fd700 (LWP 3803)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f55f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f55fd7fcc60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f55fd7fcc60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x2cfa210) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x2cfa210) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x2cfa210) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f55fd7fd700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 6 (Thread 0x7f55effff700 (LWP 3804)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f469 in QEventDispatcherGlib::processEvents (this=0x7f55e80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f55efffec60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f55efffec60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x2df2930) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x2df2930) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x2df2930) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f55effff700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 5 (Thread 0x7f55eeffe700 (LWP 3805)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f55e00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f55eeffdc60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f55eeffdc60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x2eadbe0) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x2eadbe0) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x2eadbe0) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f55eeffe700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 4 (Thread 0x7f55e7fff700 (LWP 3806)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f469 in QEventDispatcherGlib::processEvents (this=0x7f55dc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f55e7ffec60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f55e7ffec60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x319e9c0) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x319e9c0) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x319e9c0) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f55e7fff700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 3 (Thread 0x7f55e6ffe700 (LWP 3807)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f55d40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f55e6ffdc60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f55e6ffdc60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x325f350) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x325f350) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x325f350) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f55e6ffe700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 2 (Thread 0x7f55e4c8d700 (LWP 3808)): #0 0x000000348b6ea9dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000348d6495b4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0x7f55d80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7f55e4c8cc60, flags=...) at kernel/qeventloop.cpp:136 #5 0x00007f56e56947f9 in QEventLoop::exec (this=0x7f55e4c8cc60, flags=...) at kernel/qeventloop.cpp:212 #6 0x00007f56e54710f6 in QThread::exec (this=0x384fac0) at thread/qthread.cpp:511 #7 0x00007f56eccbe001 in QQmlThreadPrivate::run (this=0x384fac0) at qml/ftw/qqmlthread.cpp:149 #8 0x00007f56e547866b in QThreadPrivate::start (arg=0x384fac0) at thread/qthread_unix.cpp:345 #9 0x000000348c207f33 in start_thread (arg=0x7f55e4c8d700) at pthread_create.c:309 #10 0x000000348b6f4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 1 (Thread 0x7f56e27b3900 (LWP 3780)): [KCrash Handler] #6 0x000000348b635c39 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 #7 0x000000348b637348 in __GI_abort () at abort.c:89 #8 0x00007f56e546553f in qt_message_fatal (context=..., message=...) at global/qlogging.cpp:1364 #9 0x00007f56e5463048 in QMessageLogger::fatal (this=0x7fffc80dbc00, msg=0x7f56e576f5f8 "ASSERT: \"%s\" in file %s, line %d") at global/qlogging.cpp:669 #10 0x00007f56e545d688 in qt_assert (assertion=0x7f56ed4eb1e3 "!isEmpty()", file=0x7f56ed4eb0b0 "/home/sho/devel/src/qt5/qtbase/include/QtCore/../../src/corelib/tools/qlist.h", line=298) at global/qglobal.cpp:2127 #11 0x00007f56ed332b84 in QList<QQuickItem*>::removeFirst (this=0x371a138) at /home/sho/devel/src/qt5/qtbase/include/QtCore/../../src/corelib/tools/qlist.h:298 #12 0x00007f56ed329ed3 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x3e7b8f0, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1632 #13 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x42074b0, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #14 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x3b54760, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #15 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x41e1b50, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #16 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x3f4cc40, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #17 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x3f4cc10, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #18 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x3e498c0, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #19 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x3e49910, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #20 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x3bb9fd0, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #21 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x3bc0a70, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #22 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x376cf20, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #23 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x3a2a840, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #24 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x3a29d10, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #25 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x3a2a1e0, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #26 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x3a37cf0, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #27 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x3a5d810, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #28 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x39c85f0, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #29 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x1be14e0, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #30 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x36abaa0, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #31 0x00007f56ed329ca9 in QQuickWindowPrivate::deliverHoverEvent (this=0x3719fb0, item=0x37198a0, scenePos=..., lastScenePos=..., modifiers=..., accepted=@0x7fffc80dce0f: true) at items/qquickwindow.cpp:1612 #32 0x00007f56ed329aa7 in QQuickWindow::mouseMoveEvent (this=0x3719720, event=0x7fffc80dd780) at items/qquickwindow.cpp:1583 #33 0x00007f56e5c86ff0 in QWindow::event (this=0x3719720, ev=0x7fffc80dd780) at kernel/qwindow.cpp:1881 #34 0x00007f56ed328c3d in QQuickWindow::event (this=0x3719720, e=0x7fffc80dd780) at items/qquickwindow.cpp:1348 #35 0x00007f56eb7057fe in PlasmaQuick::Dialog::event (this=0x3719720, event=0x7fffc80dd780) at /home/sho/devel/src/frameworks/plasma-framework/src/plasmaquick/dialog.cpp:846 #36 0x00007f56e64ff7be in QApplicationPrivate::notify_helper (this=0xe93d80, receiver=0x3719720, e=0x7fffc80dd780) at kernel/qapplication.cpp:3522 #37 0x00007f56e64fcf50 in QApplication::notify (this=0x7fffc80dde80, receiver=0x3719720, e=0x7fffc80dd780) at kernel/qapplication.cpp:2975 #38 0x00007f56e5697862 in QCoreApplication::notifyInternal (this=0x7fffc80dde80, receiver=0x3719720, event=0x7fffc80dd780) at kernel/qcoreapplication.cpp:935 #39 0x00007f56e5c7e8ab in QCoreApplication::sendSpontaneousEvent (receiver=0x3719720, event=0x7fffc80dd780) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:240 #40 0x00007f56e5c780a6 in QGuiApplicationPrivate::processMouseEvent (e=0x3edaed0) at kernel/qguiapplication.cpp:1711 #41 0x00007f56e5c776ea in QGuiApplicationPrivate::processWindowSystemEvent (e=0x3edaed0) at kernel/qguiapplication.cpp:1512 #42 0x00007f56e5c61ac7 in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:579 #43 0x00007f56dbfde688 in userEventSourceDispatch (source=0xee9fa0) at eventdispatchers/qeventdispatcher_glib.cpp:78 #44 0x000000348d6492a6 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0 #45 0x000000348d649628 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #46 0x000000348d6496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #47 0x00007f56e570f449 in QEventDispatcherGlib::processEvents (this=0xec05c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #48 0x00007f56dbfde89a in QPAEventDispatcherGlib::processEvents (this=0xec05c0, flags=...) at eventdispatchers/qeventdispatcher_glib.cpp:123 #49 0x00007f56e5694516 in QEventLoop::processEvents (this=0x7fffc80ddd40, flags=...) at kernel/qeventloop.cpp:136 #50 0x00007f56e56947f9 in QEventLoop::exec (this=0x7fffc80ddd40, flags=...) at kernel/qeventloop.cpp:212 #51 0x00007f56e5697f4b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188 #52 0x00007f56e5c77496 in QGuiApplication::exec () at kernel/qguiapplication.cpp:1446 #53 0x00007f56e64fc77d in QApplication::exec () at kernel/qapplication.cpp:2767 #54 0x000000000045d61f in main (argc=1, argv=0x7fffc80de2b8) at /home/sho/devel/src/kde/workspace/plasma-workspace/shell/main.cpp:105 Reproducible: Always
*** This bug has been marked as a duplicate of bug 336493 ***