[Bug 295474] kmail 4.8.1 crashes all the time

[m.eik michalke]

https://bugs.kde.org/show_bug.cgi?id=295474

--- Comment #8 from m.eik michalke <m at reaktanz.de> ---
ok, here's my backtrace -- it's the fourth crash today, this time i was just
scrolling up the mails in the inbox:

Application: Kontact (kontact), signal: Aborted
[Current thread is 1 (Thread 0x7f1fc72af7c0 (LWP 17905))]

Thread 6 (Thread 0x7f1fab545700 (LWP 17906)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f1fc3af0c2c in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f1fc3af0d59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f1fbf2bdefc in start_thread (arg=0x7f1fab545700) at
pthread_create.c:304
#4  0x00007f1fc47fe89d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f1faac2c700 (LWP 17907)):
#0  0x00007f1fbee12384 in g_thread_self () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1fbedea610 in g_main_context_acquire () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1fbedebd81 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1fbedec429 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1fc4f6cc06 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f1fc4f3c3e2 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f1fc4f3c637 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f1fc4e3c067 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007f1fc4e3f08b in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007f1fbf2bdefc in start_thread (arg=0x7f1faac2c700) at
pthread_create.c:304
#10 0x00007f1fc47fe89d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f1f5b483700 (LWP 17918)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f1f5b482ab0 in ?? ()
#2  0x00007fff301c87e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 3 (Thread 0x7f1f5a813700 (LWP 17932)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x00007f1fc4e3f4ff in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f1fc4e3267f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007f1fc4e3f08b in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f1fbf2bdefc in start_thread (arg=0x7f1f5a813700) at
pthread_create.c:304
#5  0x00007f1fc47fe89d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f1f60cb9700 (LWP 17934)):
#0  __lll_lock_wait_private () at
../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f1fc479b9df in _L_lock_10501 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f1fc4799d71 in __GI___libc_free (mem=0x7f1f54000020) at
malloc.c:3736
#3  0x00007f1fb8eb11d1 in Soprano::Error::ErrorCache::~ErrorCache() () from
/usr/lib/libsoprano.so.4
#4  0x00007f1fb8c25314 in ?? () from /usr/lib/libsopranoclient.so.1
#5  0x00007f1fb8c26a03 in ?? () from /usr/lib/libsopranoclient.so.1
#6  0x00007f1fbd3a30b2 in ?? () from /usr/lib/libnepomuk.so.4
#7  0x00007f1fbd393083 in ?? () from /usr/lib/libnepomuk.so.4
#8  0x00007f1fbd39395c in ?? () from /usr/lib/libnepomuk.so.4
#9  0x00007f1fbd3a7893 in Nepomuk::Resource::property(QUrl const&) const ()
from /usr/lib/libnepomuk.so.4
#10 0x00007f1f6572f7da in ?? () from /usr/lib/libmessagecore.so.4
#11 0x00007f1fc4e325b2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#12 0x00007f1fc4e3f08b in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#13 0x00007f1fbf2bdefc in start_thread (arg=0x7f1f60cb9700) at
pthread_create.c:304
#14 0x00007f1fc47fe89d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f1fc72af7c0 (LWP 17905)):
[KCrash Handler]
#6  0x00007f1fc47533a5 in __GI_raise (sig=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f1fc4756b0b in __GI_abort () at abort.c:92
#8  0x00007f1fc478b113 in __libc_message (do_abort=2, fmt=0x7f1fc487c0d8 "***
glibc detected *** %s: %s: 0x%s ***\n") at
../sysdeps/unix/sysv/linux/libc_fatal.c:189
#9  0x00007f1fc4795a96 in malloc_printerr (action=3, str=0x7f1fc487c210 "double
free or corruption (fasttop)", ptr=<optimized out>) at malloc.c:6283
#10 0x00007f1fc4799d7c in __GI___libc_free (mem=<optimized out>) at
malloc.c:3738
#11 0x00007f1fc196891e in ?? () from /usr/lib/x86_64-linux-gnu/libQtDBus.so.4
#12 0x00007f1fc4f4e009 in QMetaCallEvent::~QMetaCallEvent() () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#13 0x00007f1fc4f4e069 in QMetaCallEvent::~QMetaCallEvent() () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#14 0x00007f1fc4f413d3 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#15 0x00007f1fc4f6c773 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#16 0x00007f1fbedeba5d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f1fbedec258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f1fbedec429 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f1fc4f6cb9f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#20 0x00007f1fc59d621e in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#21 0x00007f1fc4f3c3e2 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#22 0x00007f1fc4f3c637 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#23 0x00007f1fc4f416c7 in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#24 0x0000000000403629 in ?? ()
#25 0x00007f1fc473e30d in __libc_start_main (main=0x402b40, argc=1,
ubp_av=0x7fff30113dc8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff30113db8) at libc-start.c:226
#26 0x0000000000403b71 in _start ()

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