Comment # 1 on bug 1140595 from Stakanov Schufter

The backtrace you get in konqi

Application: linphone (linphone), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc09e8ad2c0 (LWP 4449))]

Thread 5 (Thread 0x7fc08e69e700 (LWP 4453)):
#0  0x00007fc09e6cee05 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fc08f673a3b in ?? () from /usr/lib64/dri/r600_dri.so
#2  0x00007fc08f673657 in ?? () from /usr/lib64/dri/r600_dri.so
#3  0x00007fc09e6c8faa in start_thread () from /lib64/libpthread.so.0
#4  0x00007fc09e7e571f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fc08ee9f700 (LWP 4452)):
#0  0x00007fc09e6cee05 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fc08f673a3b in ?? () from /usr/lib64/dri/r600_dri.so
#2  0x00007fc08f673657 in ?? () from /usr/lib64/dri/r600_dri.so
#3  0x00007fc09e6c8faa in start_thread () from /lib64/libpthread.so.0
#4  0x00007fc09e7e571f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fc095076700 (LWP 4451)):
#0  0x00007fc09e7e0449 in syscall () from /lib64/libc.so.6
#1  0x00007fc09eccd3a5 in QBasicMutex::lockInternal() () from
/usr/lib64/libQt5Core.so.5
#2  0x000056007c3458cd in Logger::log(QtMsgType, QMessageLogContext const&,
QString const&) ()
#3  0x00007fc09ecc4d37 in ?? () from /usr/lib64/libQt5Core.so.5
#4  0x00007fc09ecc4ee9 in ?? () from /usr/lib64/libQt5Core.so.5
#5  0x00007fc09ec942de in QMessageLogger::warning(char const*, ...) const ()
from /usr/lib64/libQt5Core.so.5
#6  0x00007fc09eeeab69 in ?? () from /usr/lib64/libQt5Core.so.5
#7  0x00007fc09d1e9749 in g_main_context_check () from
/usr/lib64/libglib-2.0.so.0
#8  0x00007fc09d1e9cd2 in ?? () from /usr/lib64/libglib-2.0.so.0
#9  0x00007fc09d1e9e4f in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#10 0x00007fc09eeeacd1 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#11 0x00007fc09ee932eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#12 0x00007fc09eccbf91 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#13 0x00007fc0a07bf4f6 in ?? () from /usr/lib64/libQt5DBus.so.5
#14 0x00007fc09eccd112 in ?? () from /usr/lib64/libQt5Core.so.5
#15 0x00007fc09e6c8faa in start_thread () from /lib64/libpthread.so.0
#16 0x00007fc09e7e571f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fc096c07700 (LWP 4450)):
#0  0x00007fc09e7dac9f in poll () from /lib64/libc.so.6
#1  0x00007fc098f0dcc2 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007fc098f0f8ba in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007fc096e7af48 in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fc09eccd112 in ?? () from /usr/lib64/libQt5Core.so.5
#5  0x00007fc09e6c8faa in start_thread () from /lib64/libpthread.so.0
#6  0x00007fc09e7e571f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fc09e8ad2c0 (LWP 4449)):
[KCrash Handler]
#6  0x00007fc09e723dd1 in raise () from /lib64/libc.so.6
#7  0x00007fc09e70d549 in abort () from /lib64/libc.so.6
#8  0x00007fc0a0e1e229 in bctbx_logv () from /usr/lib64/libbctoolbox.so.1
#9  0x000056007c34554d in ?? ()
#10 0x000056007c34596a in Logger::log(QtMsgType, QMessageLogContext const&,
QString const&) ()
#11 0x00007fc09ecc4d37 in ?? () from /usr/lib64/libQt5Core.so.5
#12 0x00007fc09ecc4ee9 in ?? () from /usr/lib64/libQt5Core.so.5
#13 0x00007fc09ec94a40 in QMessageLogger::fatal(char const*, ...) const () from
/usr/lib64/libQt5Core.so.5
#14 0x000056007c30acd6 in ?? ()
#15 0x000056007c333d84 in App::App(int&, char**) ()
#16 0x000056007c34238e in AppController::AppController(int&, char**) ()
#17 0x000056007c318881 in main ()
[Inferior 1 (process 4449) detached]