Application: kmail (5.1.3)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-71-generic x86_64
Distribution: Ubuntu 16.04.2 LTS

-- Information about the crash:
- What I was doing when the application crashed:

i'd select some contacts for a new mail (in BBC) and just choose a name and clicked ok to save the new list, and it crashed !

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa483411940 (LWP 2845))]

Thread 27 (Thread 0x7fa3cb7fe700 (LWP 3490)):
#0  0x00007fa49a192a79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa49a14ddcc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14e330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa3b80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa3cb7fdc80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fa4a43337be in QThreadPrivate::start (arg=0x4a7f670) at thread/qthread_unix.cpp:331
#8  0x00007fa49a66f6ba in start_thread (arg=0x7fa3cb7fe700) at pthread_create.c:333
#9  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7fa3cbfff700 (LWP 3488)):
#0  0x00007fa4a3a27b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fa49a14e38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa3c00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa3cbffec80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fa4a43337be in QThreadPrivate::start (arg=0x498a510) at thread/qthread_unix.cpp:331
#7  0x00007fa49a66f6ba in start_thread (arg=0x7fa3cbfff700) at pthread_create.c:333
#8  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7fa3d21ed700 (LWP 3475)):
#0  0x00007fa4a3a2369d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fa49a1916f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14de74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa49a14e330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa3c40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa3d21ecc80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007fa4a43337be in QThreadPrivate::start (arg=0xa84e20) at thread/qthread_unix.cpp:331
#9  0x00007fa49a66f6ba in start_thread (arg=0x7fa3d21ed700) at pthread_create.c:333
#10 0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7fa3d394c700 (LWP 3473)):
#0  0x00007fa49a14d931 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa49a14e2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa3cc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa3d394bc80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fa4a43337be in QThreadPrivate::start (arg=0x3eeab80) at thread/qthread_unix.cpp:331
#7  0x00007fa49a66f6ba in start_thread (arg=0x7fa3d394c700) at pthread_create.c:333
#8  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7fa4095ec700 (LWP 3330)):
#0  0x00007fa49a14de10 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa49a14e330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa3d80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa4095ebc80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fa4a43337be in QThreadPrivate::start (arg=0x3c13390) at thread/qthread_unix.cpp:331
#7  0x00007fa49a66f6ba in start_thread (arg=0x7fa4095ec700) at pthread_create.c:333
#8  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7fa409ffb700 (LWP 3268)):
#0  0x00007fa49a192a79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa49a14ddcc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14e330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa3d40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa409ffac80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fa4a43337be in QThreadPrivate::start (arg=0x285d160) at thread/qthread_unix.cpp:331
#8  0x00007fa49a66f6ba in start_thread (arg=0x7fa409ffb700) at pthread_create.c:333
#9  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7fa40a7fc700 (LWP 3266)):
#0  0x00007fa49a192a94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa49a14dd4a in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14e330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa3e00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa40a7fbc80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fa4a43337be in QThreadPrivate::start (arg=0x282a340) at thread/qthread_unix.cpp:331
#8  0x00007fa49a66f6ba in start_thread (arg=0x7fa40a7fc700) at pthread_create.c:333
#9  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7fa40affd700 (LWP 3264)):
#0  0x00007fa49a192a94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa49a14e346 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa3dc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa40affcc80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fa4a43337be in QThreadPrivate::start (arg=0x2828d80) at thread/qthread_unix.cpp:331
#7  0x00007fa49a66f6ba in start_thread (arg=0x7fa40affd700) at pthread_create.c:333
#8  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7fa40b7fe700 (LWP 3262)):
#0  0x00007fa4a3a27b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fa49a14e38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa3e80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa40b7fdc80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fa4a43337be in QThreadPrivate::start (arg=0x2824260) at thread/qthread_unix.cpp:331
#7  0x00007fa49a66f6ba in start_thread (arg=0x7fa40b7fe700) at pthread_create.c:333
#8  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7fa40bfff700 (LWP 3260)):
#0  0x00007fa4a3a2369d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fa49a1916f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14de74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa49a14e330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa3e40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa40bffec80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007fa4a43337be in QThreadPrivate::start (arg=0x28214b0) at thread/qthread_unix.cpp:331
#9  0x00007fa49a66f6ba in start_thread (arg=0x7fa40bfff700) at pthread_create.c:333
#10 0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7fa4109d2700 (LWP 3256)):
#0  0x00007fa49a14b434 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa49a14d8bb in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14e2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa3f00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa4109d1c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fa4a43337be in QThreadPrivate::start (arg=0x27f6220) at thread/qthread_unix.cpp:331
#8  0x00007fa49a66f6ba in start_thread (arg=0x7fa4109d2700) at pthread_create.c:333
#9  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7fa4111d3700 (LWP 3252)):
#0  0x00007fa49a14d8fb in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa49a14e2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa3ec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa4111d2c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fa4a43337be in QThreadPrivate::start (arg=0x27d3640) at thread/qthread_unix.cpp:331
#7  0x00007fa49a66f6ba in start_thread (arg=0x7fa4111d3700) at pthread_create.c:333
#8  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7fa4119d4700 (LWP 3248)):
#0  0x00007fa49a14b413 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa49a14dcea in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14e330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa3f80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa4119d3c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fa4a43337be in QThreadPrivate::start (arg=0x281f060) at thread/qthread_unix.cpp:331
#8  0x00007fa49a66f6ba in start_thread (arg=0x7fa4119d4700) at pthread_create.c:333
#9  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7fa4121d5700 (LWP 3246)):
#0  0x00007fa4a3a27b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fa49a14e38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa3f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa4121d4c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fa4a43337be in QThreadPrivate::start (arg=0x280b8d0) at thread/qthread_unix.cpp:331
#7  0x00007fa49a66f6ba in start_thread (arg=0x7fa4121d5700) at pthread_create.c:333
#8  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7fa412ffd700 (LWP 2948)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa495586aa3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007fa4958a7541 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007fa49a66f6ba in start_thread (arg=0x7fa412ffd700) at pthread_create.c:333
#4  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7fa4137fe700 (LWP 2947)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa495586aa3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007fa4958a7541 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007fa49a66f6ba in start_thread (arg=0x7fa4137fe700) at pthread_create.c:333
#4  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7fa413fff700 (LWP 2946)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa495586aa3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007fa4958a7541 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007fa49a66f6ba in start_thread (arg=0x7fa413fff700) at pthread_create.c:333
#4  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fa420f15700 (LWP 2945)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa495586aa3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007fa4958a7541 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007fa49a66f6ba in start_thread (arg=0x7fa420f15700) at pthread_create.c:333
#4  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fa421716700 (LWP 2944)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa495586aa3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007fa4958a7541 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007fa49a66f6ba in start_thread (arg=0x7fa421716700) at pthread_create.c:333
#4  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fa421f17700 (LWP 2943)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa495586aa3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007fa4958a7541 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007fa49a66f6ba in start_thread (arg=0x7fa421f17700) at pthread_create.c:333
#4  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fa422737700 (LWP 2942)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa495585a74 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007fa4958a7541 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007fa49a66f6ba in start_thread (arg=0x7fa422737700) at pthread_create.c:333
#4  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fa4260cd700 (LWP 2935)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa42a0340f3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007fa42a033817 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007fa49a66f6ba in start_thread (arg=0x7fa4260cd700) at pthread_create.c:333
#4  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fa46afc1700 (LWP 2914)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa49587788b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007fa4958778c9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007fa49a66f6ba in start_thread (arg=0x7fa46afc1700) at pthread_create.c:333
#4  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fa47a3e7700 (LWP 2893)):
#0  0x00007fa4a4568777 in QTimerInfoList::repairTimersIfNeeded (this=0x7fa470002ed0) at kernel/qtimerinfo_unix.cpp:154
#1  0x00007fa4a45687f3 in QTimerInfoList::timerWait (this=0x7fa470002ed0, tm=...) at kernel/qtimerinfo_unix.cpp:382
#2  0x00007fa4a4569bce in timerSourcePrepareHelper (timeout=0x7fa47a3e6ac4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#3  timerSourcePrepare (source=<optimized out>, timeout=0x7fa47a3e6ac4) at kernel/qeventdispatcher_glib.cpp:160
#4  0x00007fa49a14d91d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa49a14e2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa4700008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#8  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa47a3e6c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#10 0x00007fa4a43337be in QThreadPrivate::start (arg=0xac6870) at thread/qthread_unix.cpp:331
#11 0x00007fa49a66f6ba in start_thread (arg=0x7fa47a3e7700) at pthread_create.c:333
#12 0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fa47abe8700 (LWP 2892)):
#0  0x00007fa49a192a79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa49a14db41 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14e307 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa46c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa47abe7c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fa4a43337be in QThreadPrivate::start (arg=0xafe790) at thread/qthread_unix.cpp:331
#8  0x00007fa49a66f6ba in start_thread (arg=0x7fa47abe8700) at pthread_create.c:333
#9  0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fa47b3e9700 (LWP 2868)):
#0  0x00007fa4a3a2369d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fa49a1916f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa49a14de74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa49a14e330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa4a456a7eb in QEventDispatcherGlib::processEvents (this=0x7fa4740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7fa47b3e8c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fa4a432e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007fa4a43337be in QThreadPrivate::start (arg=0xaee010) at thread/qthread_unix.cpp:331
#9  0x00007fa49a66f6ba in start_thread (arg=0x7fa47b3e9700) at pthread_create.c:333
#10 0x00007fa4a3a3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fa483411940 (LWP 2845)):
[KCrash Handler]
#6  QSortFilterProxyModelPrivate::index_to_iterator (this=0x4a99700, proxy_index=...) at itemmodels/qsortfilterproxymodel.cpp:185
#7  QSortFilterProxyModelPrivate::proxy_to_source (proxy_index=..., this=0x4a99700) at itemmodels/qsortfilterproxymodel.cpp:376
#8  QSortFilterProxyModel::mapToSource (proxyIndex=..., this=0x4a985c0) at itemmodels/qsortfilterproxymodel.cpp:2721
#9  QSortFilterProxyModelPrivate::store_persistent_indexes (this=this@entry=0x4a99700) at itemmodels/qsortfilterproxymodel.cpp:1016
#10 0x00007fa4a44e3abb in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=<optimized out>, source_top_left=..., source_bottom_right=..., roles=...) at itemmodels/qsortfilterproxymodel.cpp:1200
#11 0x00007fa4a44e55f8 in QSortFilterProxyModel::qt_static_metacall (_o=_o@entry=0x4a985c0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=5, _a=_a@entry=0x7ffed430f190) at .moc/moc_qsortfilterproxymodel.cpp:202
#12 0x00007fa4a4542d2a in QMetaObject::activate (sender=sender@entry=0x4a90f60, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffed430f190) at kernel/qobject.cpp:3713
#13 0x00007fa4a4543537 in QMetaObject::activate (sender=sender@entry=0x4a90f60, m=m@entry=0x7fa4a475cec0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffed430f190) at kernel/qobject.cpp:3578
#14 0x00007fa4a45bee2c in QAbstractItemModel::dataChanged (this=this@entry=0x4a90f60, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:548
#15 0x00007fa4a44e3a0d in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=<optimized out>, source_top_left=..., source_bottom_right=..., roles=...) at itemmodels/qsortfilterproxymodel.cpp:1233
#16 0x00007fa4a44e55f8 in QSortFilterProxyModel::qt_static_metacall (_o=_o@entry=0x4a90f60, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=5, _a=_a@entry=0x7ffed430f4a0) at .moc/moc_qsortfilterproxymodel.cpp:202
#17 0x00007fa4a4542d2a in QMetaObject::activate (sender=0x4624290, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffed430f4a0) at kernel/qobject.cpp:3713
#18 0x00007fa4a4543537 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fa4a475cec0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffed430f4a0) at kernel/qobject.cpp:3578
#19 0x00007fa4a45bee2c in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:548
#20 0x00007fa49e3f786f in Akonadi::EntityTreeModelPrivate::dataChanged(QModelIndex const&, QModelIndex const&) () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#21 0x00007fa49e3fa4d8 in Akonadi::EntityTreeModelPrivate::monitoredCollectionStatisticsChanged(long long, Akonadi::CollectionStatistics const&) () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#22 0x00007fa4a4542d2a in QMetaObject::activate (sender=0xb41f20, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3713
#23 0x00007fa49e3486d7 in Akonadi::Monitor::collectionStatisticsChanged(long long, Akonadi::CollectionStatistics const&) () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#24 0x00007fa49e34d6d7 in Akonadi::MonitorPrivate::slotStatisticsChangedFinished(KJob*) () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#25 0x00007fa4a4542d2a in QMetaObject::activate (sender=0x503dab0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3713
#26 0x00007fa4a4f386c2 in KJob::result(KJob*, KJob::QPrivateSignal) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#27 0x00007fa4a4f39281 in KJob::finishJob(bool) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#28 0x00007fa49e3b94e3 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#29 0x00007fa4a4543c01 in QObject::event (this=0x503dab0, e=<optimized out>) at kernel/qobject.cpp:1239
#30 0x00007fa4a52e805c in QApplicationPrivate::notify_helper (this=this@entry=0x9bf810, receiver=receiver@entry=0x503dab0, e=e@entry=0x5068650) at kernel/qapplication.cpp:3716
#31 0x00007fa4a52ed516 in QApplication::notify (this=0x7ffed43104e0, receiver=0x503dab0, e=0x5068650) at kernel/qapplication.cpp:3499
#32 0x00007fa4a451438b in QCoreApplication::notifyInternal (this=0x7ffed43104e0, receiver=0x503dab0, event=event@entry=0x5068650) at kernel/qcoreapplication.cpp:965
#33 0x00007fa4a4516786 in QCoreApplication::sendEvent (event=0x5068650, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#34 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x9bb6b0) at kernel/qcoreapplication.cpp:1593
#35 0x00007fa4a4516c68 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#36 0x00007fa4a456a3c3 in postEventSourceDispatch (s=0xa18bb0) at kernel/qeventdispatcher_glib.cpp:271
#37 0x00007fa49a14e197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007fa49a14e3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007fa49a14e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007fa4a456a7cf in QEventDispatcherGlib::processEvents (this=0xa1ca90, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#41 0x00007fa4a4511b4a in QEventLoop::exec (this=this@entry=0x7ffed430fe70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#42 0x00007fa4a4519bec in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#43 0x00000000004040d8 in main ()

Possible duplicates by query: bug 361631.

Reported using DrKonqi