Just to bring this back to life (as we still have not been able to track down the culprit)
#0 0x00007f162f9b0aa8 in qMetaTypeCustomType_unlocked(char const*, int, int*) [clone .constprop.878] () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/lib/libQt5Core.so.5 #1 0x00007f162f9b15f7 in qMetaTypeTypeInternal(char const*) () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/lib/libQt5Core.so.5 #2 0x00007f162f9a80de in QMetaObjectPrivate::decodeMethodSignature(char const*, QVarLengthArray<QArgumentType, 10>&) () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/lib/libQt5Core.so.5 #3 0x00007f162f9ae748 in QMetaObject::indexOfMethod(char const*) const () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/lib/libQt5Core.so.5 #4 0x00007f1629d03fda in QDBusConnectionPrivate::findSlot(QObject*, QByteArray const&, QVector<int>&) () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/plugins/bearer/../../lib/libQt5DBus.so.5 #5 0x00007f1629d047a0 in QDBusConnectionPrivate::prepareHook(QDBusConnectionPrivate::SignalHook&, QString&, QString const&, QString const&, QString const&, QString const&, QStringList const&, QObject*, char const*, int, bool) () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/plugins/bearer/../../lib/libQt5DBus.so.5 #6 0x00007f1629d050f1 in QDBusConnectionPrivate::disconnectRelay(QString const&, QString const&, QString const&, QDBusAbstractInterface*, QMetaMethod const&) () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/plugins/bearer/../../lib/libQt5DBus.so.5 #7 0x00007f1629d1685f in QDBusAbstractInterfacePrivate::finishDisconnectNotify(QDBusAbstractInterface*, int) () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/plugins/bearer/../../lib/libQt5DBus.so.5 #8 0x00007f162f9cad61 in QObject::event(QEvent*) () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/lib/libQt5Core.so.5 #9 0x00007f162f99e333 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/lib/libQt5Core.so.5 #10 0x00007f162f9a0de7 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/lib/libQt5Core.so.5 #11 0x00007f162f9f6123 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/lib/libQt5Core.so.5 #12 0x00007f162ae70417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #13 0x00007f162ae70650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #14 0x00007f162ae706dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #15 0x00007f162f9f575f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/lib/libQt5Core.so.5 #16 0x00007f162f99cc0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/lib/libQt5Core.so.5 #17 0x00007f162f7cdb6c in QThread::exec() () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/lib/libQt5Core.so.5 #18 0x00007f162f7cf0a3 in QThreadPrivate::start(void*) () from /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/lib/libQt5Core.so.5 #19 0x00007f162d9996db in start_thread (arg=0x7f162a9a9700) at pthread_create.c:463 #20 0x00007f162eeb888f in gnu_dev_makedev (__major=<optimized out>, __minor=<optimized out>) at makedev.c:30 #21 0x0000000000000000 in ?? () That is the latest backtrace from a core dump. The Qt Libraries are the Release versions so there are no symbols to get values for unfortunately. We have tried moving the plugins/bearer to the side but still get a crash. Any more thoughts? _________________________________________________________ Mike Jackson On Mon, Jun 22, 2020 at 1:43 PM Michael Jackson <mike.jack...@bluequartz.net> wrote: > > On 6/22/20, 1:20 PM, "Interest on behalf of Thiago Macieira" > <interest-boun...@qt-project.org on behalf of thiago.macie...@intel.com> > wrote: > > On Monday, 22 June 2020 09:50:20 PDT Michael Jackson wrote: > > We are currently experiencing some intermittent crashing in our > program. The > > stacktrace is below. The code was compiled in "Release" mode. This is > on an > > Ubuntu 18.04 (with all updates) and using GCC 8.4.0 > > (https://my.cdash.org/buildSummary.php?buildid=1843613). We use the > > prebuilt Qt 5.12.8 from the downloads.qt.io website. We are trying to > > reproduce the bug in a Debug build but no luck so far. > > > > I've never really had an issue like this and so I'm just looking for > ideas > > on what it might be? Also note that we build nightly on macOS and > Windows > > and those builds do not have any issues. Most use the same version of Qt > > 5.12. > > Because those are probably not using D-Bus for anything. This is also > showing > "plugins/bearer/../.." which is really weird. I've never seen this show > up. I > don't know if we can attribute this to the NetworkManager bearer plugin > (which > does use D-Bus) or if this is just a red herring. > > But there's a simple way to test: can you delete the NM plugin and see if > the > problem goes away? > plugins/bearer/* > > -- > Thiago Macieira - thiago.macieira (AT) intel.com > Software Architect - Intel System Software Products > > > Thank you for the suggestion. I did the following (Hoping I interpreted your > instructions correctly) > > $ cd /opt/DREAM3D_SDK/Qt5.12.8/5.12.8/gcc_64/plugins/bearer > $ mv libqnmbearer.so bak_libqnmbearer.so.bak > > Kicked off a new build. Results will be at > <https://dev.azure.com/BlueQuartzSoftware/DREAM3D/_build/results?buildId=279&view=logs&j=1ee29c43-a44e-5e49-79a9-6f3da8136d88>. > > -- > Michael Jackson > BlueQuartz Software > [e] mike.jack...@bluequartz.net > [w] www.bluequartz.net > > > _______________________________________________ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
