Crash with 1.2.4-1 on ubuntu 64 bit

[a-schild]

Since upgrading from 1.2.3 to 1.2.4-1 the client crashes very often.

Ubuntu is 12.10 64-bit with all updates applied
Here a stack trace:
#0 0x00007ffff59d2425 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff59d5b8b in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007ffff59cb0ee in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3 0x00007ffff59cb192 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
#4 0x00007ffff64b291d in Mirall::CSyncThread::startSync() ()

from /usr/lib/libowncloudsync.so.0
#5 0x00007ffff686843e in QObject::event(QEvent*) ()

from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6 0x00007ffff72f9e9c in QApplicationPrivate::notify_helper(QObject_, QEvent_)

() from /usr/lib/x86_64-linux-gnu/libQtGui.so.4

#7 0x00007ffff72fe30a in QApplication::notify(QObject_, QEvent_) ()

from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#8 0x00007ffff685356e in QCoreApplication::notifyInternal(QObject_, QEvent_)

() from /usr/lib/x86_64-linux-gnu/libQtCore.so.4

#9 0x00007ffff68573f1 in QCoreApplicationPrivate::sendPostedEvents(QObject_, int, QThreadData_) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007ffff6881a63 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x00007ffff507cab5 in g_main_context_dispatch ()

from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007ffff507cde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007ffff507cea4 in g_main_context_iteration ()

from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007ffff6881bf6 in QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#15 0x00007ffff68522bf in QEventLoop::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#16 0x00007ffff6852548 in QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x00007ffff6753b10 in QThread::exec() ()

from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#18 0x00007ffff6756aec in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#19 0x00007ffff554ce9a in start_thread ()

from /lib/x86_64-linux-gnu/libpthread.so.0
#20 0x00007ffff5a8fcbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#21 0x0000000000000000 in ?? ()

[a-schild]

Another one:

#0 0x00007ffff59d2425 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff59d5b8b in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007ffff59cb0ee in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3 0x00007ffff59cb192 in assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
#4 0x00007ffff64b291d in Mirall::CSyncThread::startSync() () from /usr/lib/libowncloudsync.so.0
#5 0x00007ffff686843e in QObject::event(QEvent) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6 0x00007ffff72f9e9c in QApplicationPrivate::notify_helper(QObject, QEvent_) ()
from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#7 0x00007ffff72fe30a in QApplication::notify(QObject_, QEvent_) ()
from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#8 0x00007ffff685356e in QCoreApplication::notifyInternal(QObject_, QEvent_) ()
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9 0x00007ffff68573f1 in QCoreApplicationPrivate::sendPostedEvents(QObject_, int, QThreadData*) ()
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007ffff6881a63 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x00007ffff507cab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007ffff507cde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007ffff507cea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007ffff6881bf6 in QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag) ()
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#15 0x00007ffff68522bf in QEventLoop::processEvents(QFlagsQEventLoop::ProcessEventsFlag) ()
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#16 0x00007ffff6852548 in QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) ()
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x00007ffff6753b10 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#18 0x00007ffff6756aec in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#19 0x00007ffff554ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#20 0x00007ffff5a8fcbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#21 0x0000000000000000 in ?? ()

[a-schild]

I think it's the same as issue #540
Here a backtrace with all threads:

Thread 16 (Thread 0x7fffb1962700 (LWP 19062)):
#0 0x00007ffff59d2425 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff59d5b8b in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007ffff59cb0ee in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3 0x00007ffff59cb192 in assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
#4 0x00007ffff64b291d in Mirall::CSyncThread::startSync() () from /usr/lib/libowncloudsync.so.0
#5 0x00007ffff686843e in QObject::event(QEvent) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6 0x00007ffff72f9e9c in QApplicationPrivate::notify_helper(QObject, QEvent_) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#7 0x00007ffff72fe30a in QApplication::notify(QObject_, QEvent_) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#8 0x00007ffff685356e in QCoreApplication::notifyInternal(QObject_, QEvent_) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9 0x00007ffff68573f1 in QCoreApplicationPrivate::sendPostedEvents(QObject_, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007ffff6881a63 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x00007ffff507cab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007ffff507cde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007ffff507cea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007ffff6881bf6 in QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#15 0x00007ffff68522bf in QEventLoop::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#16 0x00007ffff6852548 in QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x00007ffff6753b10 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#18 0x00007ffff6756aec in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#19 0x00007ffff554ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#20 0x00007ffff5a8fcbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#21 0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7fffd0ff9700 (LWP 18366)):
#0 0x00007ffff5a84303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff507cd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007ffff507cea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007ffff6881bf6 in QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4 0x00007ffff68522bf in QEventLoop::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5 0x00007ffff6852548 in QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6 0x00007ffff6753b10 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7 0x00007ffff6756aec in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8 0x00007ffff554ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9 0x00007ffff5a8fcbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7fffd17fa700 (LWP 18360)):
#0 0x00007ffff5a89023 in select () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff6831fe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2 0x00007ffff6756aec in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3 0x00007ffff554ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4 0x00007ffff5a8fcbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7fffd1ffb700 (LWP 18359)):
#0 0x00007ffff5a84303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff507cd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007ffff507cea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007ffff6881c16 in QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4 0x00007ffff68522bf in QEventLoop::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5 0x00007ffff6852548 in QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6 0x00007ffff6753b10 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7 0x00007ffff68329af in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8 0x00007ffff6756aec in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9 0x00007ffff554ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007ffff5a8fcbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7fffd27fc700 (LWP 18358)):
#0 0x00007ffff5a84303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff507cd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007ffff507cea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007ffff6881bf6 in QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4 0x00007ffff68522bf in QEventLoop::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5 0x00007ffff6852548 in QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6 0x00007ffff6753b10 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7 0x00007ffff68329af in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8 0x00007ffff6756aec in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9 0x00007ffff554ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007ffff5a8fcbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7fffd2ffd700 (LWP 18357)):
#0 0x00007ffff5a84303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff507cd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007ffff507cea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007ffff6881bf6 in QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4 0x00007ffff68522bf in QEventLoop::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5 0x00007ffff6852548 in QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6 0x00007ffff6753b10 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7 0x00007ffff68329af in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8 0x00007ffff6756aec in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9 0x00007ffff554ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007ffff5a8fcbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fffd3fff700 (LWP 18355)):
#0 0x00007ffff5a84303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff507cd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007ffff507cea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007ffff6881bf6 in QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4 0x00007ffff68522bf in QEventLoop::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5 0x00007ffff6852548 in QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6 0x00007ffff6753b10 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7 0x00007ffff6756aec in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8 0x00007ffff554ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9 0x00007ffff5a8fcbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fffdcd09700 (LWP 18354)):
#0 0x00007ffff5a84303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff507cd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007ffff507cea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007ffff6881bf6 in QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4 0x00007ffff68522bf in QEventLoop::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5 0x00007ffff6852548 in QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6 0x00007ffff6753b10 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7 0x00007ffff68329af in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8 0x00007ffff6756aec in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9 0x00007ffff554ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007ffff5a8fcbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fffdffff700 (LWP 18353)):
#0 0x00007ffff5a84303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff507cd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007ffff507cea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007ffff6881bf6 in QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4 0x00007ffff68522bf in QEventLoop::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5 0x00007ffff6852548 in QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6 0x00007ffff6753b10 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7 0x00007ffff6756aec in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8 0x00007ffff554ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9 0x00007ffff5a8fcbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fffe561a700 (LWP 18352)):
#0 0x00007ffff5a84303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff507cd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007ffff507d1e2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fffee1bc4a6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4 0x00007ffff50a0645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007ffff554ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6 0x00007ffff5a8fcbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffff7fcb780 (LWP 18348)):
#0 0x00007ffff5a88647 in writev () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff21519dd in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007ffff2151eb7 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007ffff2152023 in xcb_writev () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#4 0x00007ffff39c6d0e in _XSend () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#5 0x00007ffff39c7049 in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#6 0x00007ffff39b860b in XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#7 0x00007ffff739ead7 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#8 0x00007ffff507c618 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9 0x00007ffff507ccab in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff507cea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007ffff6881bf6 in QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#12 0x00007ffff739ec1e in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#13 0x00007ffff68522bf in QEventLoop::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#14 0x00007ffff6852548 in QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#15 0x00007ffff6857708 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#16 0x00000000004241e7 in main ()

[danimo]

Fixed in the latest nightlies