licq crashed at jabber message arrival

[myallod]

Linux myallod 3.18.6-1-ARCH #1 SMP PREEMPT Sat Feb 7 08:44:05 CET 2015 x86_64 GNU/Linux
Licq 1.9.0-f271d55/SSL Compiled Mar 6 2015

licq: /home/lek/Downloads/src/licq/licq/src/thread/readwritemutex_debug.cpp:140: void Licq::ReadWriteMutex::Private::setReader(): Assertion `i == myNumReaders' failed.

Using gdb to save backtrace to /home/lek/.licq/licq.backtrace.gdb
Failed to start gdb: No such file or directory
pure virtual method called
terminate called without an active exception
gdb exited with exit code 134

Backtrace (saved in /home/lek/.licq/licq.backtrace):
licq() [0x5435e3]
/lib64/libc.so.6(+0x33540) [0x7fa11d6e6540]
/lib64/libc.so.6(gsignal+0x37) [0x7fa11d6e64b7]
/lib64/libc.so.6(abort+0x16a) [0x7fa11d6e788a]
/lib64/libc.so.6(+0x2c41d) [0x7fa11d6df41d]
/lib64/libc.so.6(+0x2c4d2) [0x7fa11d6df4d2]
licq(_ZN4Licq14ReadWriteMutex7Private9setReaderEv+0x72) [0x5c6582]
licq(_ZN4Licq14ReadWriteMutex8lockReadEv+0x55) [0x5c67a9]
licq(_ZNK4Licq8Lockable8lockReadEv+0x18) [0x511650]
licq(_ZN10LicqDaemon11UserManager10fetchOwnerERKN4Licq6UserIdEb+0x100) [0x57ac34]
licq(_ZN4Licq14OwnerReadGuardC2ERKNS_6UserIdE+0x26) [0x57b3a4]
/usr/local/lib/licq/licq_qt-gui.so(+0x17328e) [0x7fa1132fb28e]
/usr/local/lib/licq/licq_qt-gui.so(+0xb0287) [0x7fa113238287]
/usr/local/lib/licq/licq_qt-gui.so(+0xb33bc) [0x7fa11323b3bc]
/usr/local/lib/licq/licq_qt-gui.so(+0x1ab33a) [0x7fa11333333a]
/lib64/libQtCore.so.4(_ZN11QMetaObject8activateEP7QObjectPKS_iPPv+0x32c) [0x7fa111129d9c]
/usr/local/lib/licq/licq_qt-gui.so(+0x1ac528) [0x7fa113334528]
/usr/local/lib/licq/licq_qt-gui.so(+0xc3994) [0x7fa11324b994]
/usr/local/lib/licq/licq_qt-gui.so(+0x1ac2a8) [0x7fa1133342a8]
/lib64/libQtCore.so.4(_ZN7QObject5eventEP6QEvent+0x1e1) [0x7fa11112e491]
/lib64/libQtGui.so.4(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0x8c) [0x7fa11188b9ac]
/lib64/libQtGui.so.4(_ZN12QApplication6notifyEP7QObjectP6QEvent+0x2b8) [0x7fa111892408]
/lib64/libQtCore.so.4(_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+0x8d) [0x7fa11111528d]
/lib64/libQtCore.so.4(_ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData+0x231) [0x7fa111118651]
/lib64/libQtCore.so.4(+0x1b5233) [0x7fa111144233]
/lib64/libglib-2.0.so.0(g_main_context_dispatch+0x24d) [0x7fa1108a371d]
/lib64/libglib-2.0.so.0(+0x49a08) [0x7fa1108a3a08]
/lib64/libglib-2.0.so.0(g_main_context_iteration+0x2c) [0x7fa1108a3abc]
/lib64/libQtCore.so.4(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x5d) [0x7fa11114437d]
/lib64/libQtGui.so.4(+0x26b3a6) [0x7fa11192f3a6]
/lib64/libQtCore.so.4(_ZN10QEventLoop13processEventsE6QFlagsINS_17ProcessEventsFlagEE+0x41) [0x7fa111113de1]
/lib64/libQtCore.so.4(_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE+0x1a5) [0x7fa111114145]
/lib64/libQtCore.so.4(_ZN16QCoreApplication4execEv+0x99) [0x7fa1111196e9]
/usr/local/lib/licq/licq_qt-gui.so(+0xaea02) [0x7fa113236a02]
/usr/local/lib/licq/licq_qt-gui.so(+0xc2e7a) [0x7fa11324ae7a]
licq(_ZN10LicqDaemon14PluginInstance16startThreadEntryEPv+0x82) [0x5b1628]
licq() [0x5b1a4a]
/lib64/libpthread.so.0(+0x7374) [0x7fa11f6f9374]
/lib64/libc.so.6(clone+0x6d) [0x7fa11d79b27d]
Attempting to generate core file.

Licq has encountered a fatal error.
Please report this error either by creating a new ticket athttps://github.com/licq-im/licq/issues or by sending an e-mail to themailing list licq-dev@googlegroups.com (you must be registered to beable to post, see http://groups.google.com/group/licq-dev).

To help us debug the error, please include a full description of what you did when the error occurred. Additionally, please include the following files (if they exist):
/home/lek/.licq/licq.backtrace
/home/lek/.licq/licq.backtrace.gdb
/home/lek/.licq/licq.debug_rw_mutex

Thanks, The Licq Team
pure virtual method called
terminate called without an active exception
Aborted (core dumped)

licq.debug_rw_mutex is old, 4 day ago:
time: 1425630197
Possible deadlock for thread 0x7f2991344700 trying to get a write lock on 'ICQ_277507035'
No thread holds the write lock
These threads hold the read lock: 0x7f299a5c3700

Need i install gdb and run bt for more detail information?