https://bugs.kde.org/show_bug.cgi?id=347236
--- Comment #1 from staka...@freenet.de ---
This is now repeatable, constant, with the following backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe7a1763800 (LWP 11781))]
Thread 5 (Thread 0x7fe77c543700 (LWP 11784)):
#0 0x7fe79c8bd05f in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x7fe791da3686 in WTF::TCMalloc_PageHeap::scavengerThread() () from
/usr/lib64/libQtWebKit.so.4
#2 0x7fe791da36b9 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) ()
from /usr/lib64/libQtWebKit.so.4
#3 0x7fe79c8b90a4 in start_thread () from /lib64/libpthread.so.0
#4 0x7fe79eab806d in clone () from /lib64/libc.so.6
Thread 4 (Thread 0x7fe73b3b0700 (LWP 11785)):
#0 0x7fe79c8bd05f in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x7fe791b15e7d in JSC::BlockAllocator::blockFreeingThreadMain() () from
/usr/lib64/libQtWebKit.so.4
#2 0x7fe791dcb1e6 in WTF::wtfThreadEntryPoint(void*) () from
/usr/lib64/libQtWebKit.so.4
#3 0x7fe79c8b90a4 in start_thread () from /lib64/libpthread.so.0
#4 0x7fe79eab806d in clone () from /lib64/libc.so.6
Thread 3 (Thread 0x7fe73a4b7700 (LWP 11786)):
#0 0x7fe79eaafc3d in poll () from /lib64/libc.so.6
#1 0x7fe7965cfbe4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2 0x7fe7965cfcec in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3 0x7fe7a010a0de in QEventDispatcherGlib::processEvents
(this=0x7fe72c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#4 0x7fe7a00dbe6f in QEventLoop::processEvents
(this=this@entry=0x7fe73a4b6de0, flags=...) at kernel/qeventloop.cpp:149
#5 0x7fe7a00dc165 in QEventLoop::exec (this=this@entry=0x7fe73a4b6de0,
flags=...) at kernel/qeventloop.cpp:204
#6 0x7fe79ffd90bf in QThread::exec (this=) at
thread/qthread.cpp:538
#7 0x7fe79ffdb79f in QThreadPrivate::start (arg=0xb21db0) at
thread/qthread_unix.cpp:349
#8 0x7fe79c8b90a4 in start_thread () from /lib64/libpthread.so.0
#9 0x7fe79eab806d in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x7fe738b7a700 (LWP 11790)):
#0 0x7fe79eaafc3d in poll () from /lib64/libc.so.6
#1 0x7fe7965cfbe4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2 0x7fe7965cfcec in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3 0x7fe7a010a0de in QEventDispatcherGlib::processEvents
(this=0x7fe7240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#4 0x7fe7a00dbe6f in QEventLoop::processEvents
(this=this@entry=0x7fe738b79da0, flags=...) at kernel/qeventloop.cpp:149
#5 0x7fe7a00dc165 in QEventLoop::exec (this=this@entry=0x7fe738b79da0,
flags=...) at kernel/qeventloop.cpp:204
#6 0x7fe79ffd90bf in QThread::exec (this=this@entry=0x10c7130) at
thread/qthread.cpp:538
#7 0x7fe7a00bd783 in QInotifyFileSystemWatcherEngine::run (this=0x10c7130)
at io/qfilesystemwatcher_inotify.cpp:265
#8 0x7fe79ffdb79f in QThreadPrivate::start (arg=0x10c7130) at
thread/qthread_unix.cpp:349
#9 0x7fe79c8b90a4 in start_thread () from /lib64/libpthread.so.0
#10 0x7fe79eab806d in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7fe7a1763800 (LWP 11781)):
[KCrash Handler]
#6 KStatusNotifierItem::setStatus (this=this@entry=0xc65a00,
status=status@entry=KStatusNotifierItem::Active) at
/usr/src/debug/kdelibs-4.14.6/kdeui/notifications/kstatusnotifieritem.cpp:160
#7 0x7fe7a04f5cb5 in KMail::KMSystemTray::setMode (this=0xc65a00,
newMode=0) at /usr/src/debug/kdepim-4.14.6/kmail/kmsystemtray.cpp:168
#8 0x7fe7a04ff96b in KMKernel::toggleSystemTray (this=0x7fff02629590) at
/usr/src/debug/kdepim-4.14.6/kmail/kmkernel.cpp:2047
#9 0x7fe7a052c93f in KMMainWidget::readConfig (this=this@entry=0xc86590)
at /usr/src/debug/kdepim-4.14.6/kmail/kmmainwidget.cpp:862
#10 0x7fe7a053c191 in KMMainWidget::KMMainWidget (this=0xc86590,
parent=, aGUIClient=0xd3aa70, actionCollection=0x9e67a0,
config=...) at /usr/src/debug/kdepim-4.14.6/kmail/kmmainwidget.cpp:258
#11 0x7fe7a04eed98 in KMMainWin::KMMainWin (this=0xd3aa10,
__in_chrg=, __vtt_parm=) at
/usr/src/debug/kdepim-4.14.6/kmail/kmmainwin.cpp:63
#12 0x7fe7a04fe64f in KMKernel::openReader (this=0x7fff02629590,
onlyCheck=onlyCheck@entry=false) at
/usr/src/debug/kdepim-4.14.6/kmail/kmkernel.cpp:536
#13 0x7fe7a0502678 in KMKernel::action (this=this@entry=0x7fff02629590,
mailto=mailto@entry=false, check=check@entry=false, to=..., cc=..., bcc=...,
subj=..., body=..., messageFile=..., attachURLs=..., customHeaders=...,
replyTo=..., inReplyTo=...) at
/usr/src/debug/kdepim-4.14.6/kmail/kmkernel.cpp:1352
#14 0x7fe7a050313b in KMKernel::handleCommandLine (this=0x7fff02629590,
noArgsOpensReader=noArgsOpensReader@entry=true) at
/usr/src/debug/kdepim-4.14.6/kmail/kmkernel.cpp:445
#15 0x004035c7 in KMailApplication::newInstance (this=0x7fff02629560)
at /usr/