[kmail2] [Bug 356077] New: kmail5 / akonadi5 very often crashes on startup

Sun Nov 29 13:50:03 GMT 2015

https://bugs.kde.org/show_bug.cgi?id=356077

            Bug ID: 356077
           Summary: kmail5 / akonadi5 very often crashes on startup
           Product: kmail2
           Version: unspecified
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: johannesobermayr at gmx.de

Application: kmail (5.0.3)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-rc2-1.g7eabae5-default x86_64
Distribution: "openSUSE Tumbleweed (20151126) (x86_64)"

-- Information about the crash:
When this problem occurs I can "fix" it with "akonadictl restart" on konsole
and then calling kmail again.
But that's only a workaround and the problem should be handled automatically

Trying to restart akonadi server via control module doesn't work.

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
84    T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f8324ae5940 (LWP 2822))]

Thread 19 (Thread 0x7f82fe7f8700 (LWP 2823)):
#0  0x00007f8321afd20d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f83151ed432 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f83151ef007 in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f8300520e29 in QXcbEventReader::run (this=0xc8bdf0) at
qxcbconnection.cpp:1229
#4  0x00007f832240594f in QThreadPrivate::start (arg=0xc8bdf0) at
thread/qthread_unix.cpp:331
#5  0x00007f83184de4a4 in start_thread (arg=0x7f82fe7f8700) at
pthread_create.c:334
#6  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f82f4681700 (LWP 2833)):
#0  0x00007f8321af91ed in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f8317d05210 in read (__nbytes=16, __buf=0x7f82f4680ab0,
__fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x7f82f80015b0) at gwakeup.c:210
#3  0x00007f8317cc2d94 in g_main_context_check
(context=context at entry=0x7f82ec000990, max_priority=2147483647,
fds=fds at entry=0x7f82ec003070, n_fds=n_fds at entry=1) at gmain.c:3632
#4  0x00007f8317cc3208 in g_main_context_iterate
(context=context at entry=0x7f82ec000990, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3837
#5  0x00007f8317cc336c in g_main_context_iteration (context=0x7f82ec000990,
may_block=may_block at entry=1) at gmain.c:3901
#6  0x00007f832262a52b in QEventDispatcherGlib::processEvents
(this=0x7f82ec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x00007f83225d463a in QEventLoop::exec (this=this at entry=0x7f82f4680c90,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f8322400b1c in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#9  0x00007f832240594f in QThreadPrivate::start (arg=0xf8c2d0) at
thread/qthread_unix.cpp:331
#10 0x00007f83184de4a4 in start_thread (arg=0x7f82f4681700) at
pthread_create.c:334
#11 0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f82f37fc700 (LWP 2834)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f83130613bb in ?? () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007f83130613f9 in ?? () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007f83184de4a4 in start_thread (arg=0x7f82f37fc700) at
pthread_create.c:334
#4  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f82a7aa6700 (LWP 2835)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f82f25b1193 in cnd_wait (mtx=0x109f958, cond=0x109f980) at
../../../../include/c11/threads_posix.h:154
#2  pipe_semaphore_wait (sema=0x109f958) at
../../../../src/gallium/auxiliary/os/os_thread.h:259
#3  thread_function (init_data=init_data at entry=0x109f8b8) at lp_rast.c:779
#4  0x00007f82f25b1017 in impl_thrd_routine (p=<optimized out>) at
../../../../include/c11/threads_posix.h:87
#5  0x00007f83184de4a4 in start_thread (arg=0x7f82a7aa6700) at
pthread_create.c:334
#6  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f82a72a5700 (LWP 2836)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f82f25b1193 in cnd_wait (mtx=0x109fab8, cond=0x109fae0) at
../../../../include/c11/threads_posix.h:154
#2  pipe_semaphore_wait (sema=0x109fab8) at
../../../../src/gallium/auxiliary/os/os_thread.h:259
#3  thread_function (init_data=init_data at entry=0x109fa18) at lp_rast.c:779
#4  0x00007f82f25b1017 in impl_thrd_routine (p=<optimized out>) at
../../../../include/c11/threads_posix.h:87
#5  0x00007f83184de4a4 in start_thread (arg=0x7f82a72a5700) at
pthread_create.c:334
#6  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f82a6aa4700 (LWP 2837)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f82f25b1193 in cnd_wait (mtx=0x109fc18, cond=0x109fc40) at
../../../../include/c11/threads_posix.h:154
#2  pipe_semaphore_wait (sema=0x109fc18) at
../../../../src/gallium/auxiliary/os/os_thread.h:259
#3  thread_function (init_data=init_data at entry=0x109fb78) at lp_rast.c:779
#4  0x00007f82f25b1017 in impl_thrd_routine (p=<optimized out>) at
../../../../include/c11/threads_posix.h:87
#5  0x00007f83184de4a4 in start_thread (arg=0x7f82a6aa4700) at
pthread_create.c:334
#6  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f82a62a3700 (LWP 2838)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f82f25b1193 in cnd_wait (mtx=0x109fd78, cond=0x109fda0) at
../../../../include/c11/threads_posix.h:154
#2  pipe_semaphore_wait (sema=0x109fd78) at
../../../../src/gallium/auxiliary/os/os_thread.h:259
#3  thread_function (init_data=init_data at entry=0x109fcd8) at lp_rast.c:779
#4  0x00007f82f25b1017 in impl_thrd_routine (p=<optimized out>) at
../../../../include/c11/threads_posix.h:87
#5  0x00007f83184de4a4 in start_thread (arg=0x7f82a62a3700) at
pthread_create.c:334
#6  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f82a5aa2700 (LWP 2839)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f82f25b1193 in cnd_wait (mtx=0x109fed8, cond=0x109ff00) at
../../../../include/c11/threads_posix.h:154
#2  pipe_semaphore_wait (sema=0x109fed8) at
../../../../src/gallium/auxiliary/os/os_thread.h:259
#3  thread_function (init_data=init_data at entry=0x109fe38) at lp_rast.c:779
#4  0x00007f82f25b1017 in impl_thrd_routine (p=<optimized out>) at
../../../../include/c11/threads_posix.h:87
#5  0x00007f83184de4a4 in start_thread (arg=0x7f82a5aa2700) at
pthread_create.c:334
#6  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f82a52a1700 (LWP 2840)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f82f25b1193 in cnd_wait (mtx=0x10a0038, cond=0x10a0060) at
../../../../include/c11/threads_posix.h:154
#2  pipe_semaphore_wait (sema=0x10a0038) at
../../../../src/gallium/auxiliary/os/os_thread.h:259
#3  thread_function (init_data=init_data at entry=0x109ff98) at lp_rast.c:779
#4  0x00007f82f25b1017 in impl_thrd_routine (p=<optimized out>) at
../../../../include/c11/threads_posix.h:87
#5  0x00007f83184de4a4 in start_thread (arg=0x7f82a52a1700) at
pthread_create.c:334
#6  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f82a4aa0700 (LWP 2841)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f82f25b1193 in cnd_wait (mtx=0x10a0198, cond=0x10a01c0) at
../../../../include/c11/threads_posix.h:154
#2  pipe_semaphore_wait (sema=0x10a0198) at
../../../../src/gallium/auxiliary/os/os_thread.h:259
#3  thread_function (init_data=init_data at entry=0x10a00f8) at lp_rast.c:779
#4  0x00007f82f25b1017 in impl_thrd_routine (p=<optimized out>) at
../../../../include/c11/threads_posix.h:87
#5  0x00007f83184de4a4 in start_thread (arg=0x7f82a4aa0700) at
pthread_create.c:334
#6  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f82a429f700 (LWP 2842)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f82f25b1193 in cnd_wait (mtx=0x10a02f8, cond=0x10a0320) at
../../../../include/c11/threads_posix.h:154
#2  pipe_semaphore_wait (sema=0x10a02f8) at
../../../../src/gallium/auxiliary/os/os_thread.h:259
#3  thread_function (init_data=init_data at entry=0x10a0258) at lp_rast.c:779
#4  0x00007f82f25b1017 in impl_thrd_routine (p=<optimized out>) at
../../../../include/c11/threads_posix.h:87
#5  0x00007f83184de4a4 in start_thread (arg=0x7f82a429f700) at
pthread_create.c:334
#6  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f82a375f700 (LWP 2849)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8312d6f764 in ?? () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007f8313090441 in ?? () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007f83184de4a4 in start_thread (arg=0x7f82a375f700) at
pthread_create.c:334
#4  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f82a2f5e700 (LWP 2850)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8312d70793 in ?? () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007f8313090441 in ?? () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007f83184de4a4 in start_thread (arg=0x7f82a2f5e700) at
pthread_create.c:334
#4  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f82a275d700 (LWP 2851)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8312d70793 in ?? () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007f8313090441 in ?? () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007f83184de4a4 in start_thread (arg=0x7f82a275d700) at
pthread_create.c:334
#4  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f82a1f5c700 (LWP 2852)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8312d70793 in ?? () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007f8313090441 in ?? () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007f83184de4a4 in start_thread (arg=0x7f82a1f5c700) at
pthread_create.c:334
#4  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f82a175b700 (LWP 2853)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8312d70793 in ?? () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007f8313090441 in ?? () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007f83184de4a4 in start_thread (arg=0x7f82a175b700) at
pthread_create.c:334
#4  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f82a0f5a700 (LWP 2854)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8312d70793 in ?? () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007f8313090441 in ?? () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007f83184de4a4 in start_thread (arg=0x7f82a0f5a700) at
pthread_create.c:334
#4  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f828bfff700 (LWP 2855)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8312d70793 in ?? () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007f8313090441 in ?? () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007f83184de4a4 in start_thread (arg=0x7f828bfff700) at
pthread_create.c:334
#4  0x00007f8321b05b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f8324ae5940 (LWP 2822)):
[KCrash Handler]
#6  ref<int> (_q_value=@0x1a: <error reading variable>) at
../../src/corelib/arch/qatomic_x86.h:181
#7  ref (this=0x1a) at ../../src/corelib/thread/qbasicatomic.h:129
#8  operator= (o=..., this=0x7fff9d007aa8) at
../../src/corelib/tools/qshareddata.h:176
#9  QPixmap::QPixmap (this=0x7fff9d007a90, pixmap=...) at image/qpixmap.cpp:223
#10 0x00007f8319cadb78 in KPixmapSequence::frameAt (this=this at entry=0xebaa40,
index=<optimized out>) at
/usr/src/debug/kwidgetsaddons-5.16.0/src/kpixmapsequence.cpp:128
#11 0x00007f831d2c7128 in Akonadi::DelegateAnimator::sequenceFrame
(this=0xebaa20, index=...) at
/usr/src/debug/kdepimlibs-15.08.3/akonadi/src/widgets/progressspinnerdelegate.cpp:90
#12 0x00007f831d2af448 in
Akonadi::CollectionStatisticsDelegate::initStyleOption (this=<optimized out>,
option=0x7fff9d007b00, index=...) at
/usr/src/debug/kdepimlibs-15.08.3/akonadi/src/widgets/collectionstatisticsdelegate.cpp:174
#13 0x00007f8323584879 in QStyledItemDelegate::paint (this=this at entry=0xe09a50,
painter=painter at entry=0x7fff9d0084a0, option=..., index=...) at
itemviews/qstyleditemdelegate.cpp:409
#14 0x00007f831d2af58b in Akonadi::CollectionStatisticsDelegate::paint
(this=0xe09a50, painter=0x7fff9d0084a0, option=..., index=...) at
/usr/src/debug/kdepimlibs-15.08.3/akonadi/src/widgets/collectionstatisticsdelegate.cpp:207
#15 0x00007f832353a4f4 in QTreeView::drawRow (this=0xeba320,
painter=0x7fff9d0084a0, option=..., index=...) at itemviews/qtreeview.cpp:1768
#16 0x00007f832353e2e7 in QTreeView::drawTree (this=this at entry=0xeba320,
painter=painter at entry=0x7fff9d0084a0, region=...) at
itemviews/qtreeview.cpp:1503
#17 0x00007f83235443f3 in QTreeView::paintEvent (this=0xeba320,
event=0x7fff9d008a20) at itemviews/qtreeview.cpp:1327
#18 0x00007f83232fadf8 in QWidget::event (this=this at entry=0xeba320,
event=event at entry=0x7fff9d008a20) at kernel/qwidget.cpp:9047
#19 0x00007f83233f2a2e in QFrame::event (this=0xeba320, e=0x7fff9d008a20) at
widgets/qframe.cpp:540
#20 0x00007f8323508a24 in QAbstractItemView::viewportEvent
(this=this at entry=0xeba320, event=event at entry=0x7fff9d008a20) at
itemviews/qabstractitemview.cpp:1685
#21 0x00007f83235453ec in QTreeView::viewportEvent (this=0xeba320,
event=0x7fff9d008a20) at itemviews/qtreeview.cpp:1309
#22 0x00007f83225d6b25 in
QCoreApplicationPrivate::sendThroughObjectEventFilters
(this=this at entry=0xc6d040, receiver=receiver at entry=0xeaeac0,
event=event at entry=0x7fff9d008a20) at kernel/qcoreapplication.cpp:1072
#23 0x00007f83232ba8ac in QApplicationPrivate::notify_helper
(this=this at entry=0xc6d040, receiver=receiver at entry=0xeaeac0,
e=e at entry=0x7fff9d008a20) at kernel/qapplication.cpp:3712
#24 0x00007f83232bf9d6 in QApplication::notify (this=0x7fff9d009b40,
receiver=0xeaeac0, e=0x7fff9d008a20) at kernel/qapplication.cpp:3499
#25 0x00007f83225d6cf3 in QCoreApplication::notifyInternal
(this=0x7fff9d009b40, receiver=receiver at entry=0xeaeac0,
event=event at entry=0x7fff9d008a20) at kernel/qcoreapplication.cpp:965
#26 0x00007f83232f41b9 in sendSpontaneousEvent (event=0x7fff9d008a20,
receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:227
#27 QWidgetPrivate::sendPaintEvent (this=this at entry=0xeaeb00, toBePainted=...)
at kernel/qwidget.cpp:5630
#28 0x00007f83232f47c9 in QWidgetPrivate::drawWidget (this=this at entry=0xeaeb00,
pdev=0x1219970, rgn=..., offset=..., flags=36,
sharedPainter=sharedPainter at entry=0x0, backingStore=0xedd480) at
kernel/qwidget.cpp:5570
#29 0x00007f83232c7b46 in QWidgetBackingStore::doSync
(this=this at entry=0xedd480) at kernel/qwidgetbackingstore.cpp:1220
#30 0x00007f83232c7d54 in QWidgetBackingStore::sync (this=0xedd480) at
kernel/qwidgetbackingstore.cpp:1032
#31 0x00007f83232e4e1f in QWidgetPrivate::syncBackingStore (this=0xeb8f80) at
kernel/qwidget.cpp:1907
#32 0x00007f83232faea8 in QWidget::event (this=this at entry=0xeb8b40,
event=event at entry=0x12344f0) at kernel/qwidget.cpp:8986
#33 0x00007f832340892b in QMainWindow::event (this=0xeb8b40, event=0x12344f0)
at widgets/qmainwindow.cpp:1495
#34 0x00007f832154c557 in KMainWindow::event(QEvent*) () from
/usr/lib64/libKF5XmlGui.so.5
#35 0x00007f8321582655 in KXmlGuiWindow::event(QEvent*) () from
/usr/lib64/libKF5XmlGui.so.5
#36 0x00007f83232ba8cc in QApplicationPrivate::notify_helper
(this=this at entry=0xc6d040, receiver=receiver at entry=0xeb8b40,
e=e at entry=0x12344f0) at kernel/qapplication.cpp:3716
#37 0x00007f83232bf9d6 in QApplication::notify (this=0x7fff9d009b40,
receiver=0xeb8b40, e=0x12344f0) at kernel/qapplication.cpp:3499
#38 0x00007f83225d6cf3 in QCoreApplication::notifyInternal
(this=0x7fff9d009b40, receiver=0xeb8b40, event=event at entry=0x12344f0) at
kernel/qcoreapplication.cpp:965
#39 0x00007f83225d9016 in sendEvent (event=0x12344f0, receiver=<optimized out>)
at kernel/qcoreapplication.h:224
#40 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver at entry=0x0,
event_type=event_type at entry=0, data=0xc670a0) at
kernel/qcoreapplication.cpp:1593
#41 0x00007f83225d94f8 in QCoreApplication::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0) at
kernel/qcoreapplication.cpp:1451
#42 0x00007f832262a103 in postEventSourceDispatch (s=0xcaecf0) at
kernel/qeventdispatcher_glib.cpp:271
#43 0x00007f8317cc3097 in g_main_dispatch (context=0x7f82f80016f0) at
gmain.c:3154
#44 g_main_context_dispatch (context=context at entry=0x7f82f80016f0) at
gmain.c:3769
#45 0x00007f8317cc32c8 in g_main_context_iterate
(context=context at entry=0x7f82f80016f0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3840
#46 0x00007f8317cc336c in g_main_context_iteration (context=0x7f82f80016f0,
may_block=may_block at entry=1) at gmain.c:3901
#47 0x00007f832262a50f in QEventDispatcherGlib::processEvents (this=0xcafa30,
flags=...) at kernel/qeventdispatcher_glib.cpp:418
#48 0x00007f83225d463a in QEventLoop::exec (this=this at entry=0x7fff9d009500,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#49 0x00007f83225dc2fd in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1229
#50 0x00007f8322b1253c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1527
#51 0x00007f83232b6f75 in QApplication::exec () at kernel/qapplication.cpp:2976
#52 0x0000000000404518 in main (argc=1, argv=0x7fff9d009db8) at
/usr/src/debug/kdepim-15.08.3/kmail/main.cpp:161

Reported using DrKonqi

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