Details
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Bug
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Resolution: Done
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P3: Somewhat important
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5.9.4, 5.10.1
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None
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Qt 5.10.1
Clang 5.0.1
Linux 4.15.7
Description
Since I updated from 5.10.0 to 5.10.1, I have a few of those warnings appearing when running my application.
It's not on "deletelater()" in my user code, but it seems to come from the multimedia module.
Stack trace:
1 QMessageLogger::warning qlogging.cpp 582 0x6928f878 2 QCoreApplication::postEvent qcoreapplication.cpp 1440 0x6943236b 3 QObject::deleteLater qobject.cpp 2168 0x69452cd3 4 QSampleCache::loadingRelease qsamplecache_p.cpp 144 0x5a84254a 5 QSample::loadIfNecessary qsamplecache_p.cpp 292 0x5a8427c2 6 QSampleCache::requestSample qsamplecache_p.cpp 189 0x5a843492 7 QSoundEffectPrivate::setSource qsoundeffect_qaudio_p.cpp 136 0x5a847dc1 8 QSoundEffect::setSource qsoundeffect.cpp 176 0x5a840f1e 9 Sound::Sound Sound.cpp 32 0x10aaf5b 10 *** *** 19 0x12f4995 11 *** *** 45 0x12f7ba9 12 *** *** 1326 0x127c04f 13 *** *** 1145 0x127b7ea 14 QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<QString>, void, void (***:: *)(QString const&)>::call qobjectdefs_impl.h 136 0x16e0dd5 15 QtPrivate::FunctionPointer<void (***:: *)(QString const&)>::call<QtPrivate::List<QString>, void> qobjectdefs_impl.h 169 0x16fa3af 16 QtPrivate::QSlotObject<void (***:: *)(QString const&), QtPrivate::List<QString>, void>::impl qobjectdefs_impl.h 398 0x16e8712 17 QtPrivate::QSlotObjectBase::call qobjectdefs_impl.h 378 0x694556ad 18 QMetaObject::activate qobject.cpp 3750 0x694556ad 19 QMetaObject::activate qobject.cpp 3629 0x69455b70 20 *** moc_***.cpp 179 0x13d08fe 21 *** *** 260 0x10f1d78 22 ***:qt_static_metacall moc_***.cpp 114 0x13d064f 23 QMetaObject::activate qobject.cpp 3767 0x69455852 24 QMetaObject::activate qobject.cpp 3629 0x69455b70 25 QAbstractButton::clicked moc_qabstractbutton.cpp 308 0x235dc797 26 QAbstractButtonPrivate::emitClicked qabstractbutton.cpp 414 0x235dc9b2 27 QAbstractButtonPrivate::click qabstractbutton.cpp 407 0x235ddf50 28 QAbstractButton::mouseReleaseEvent qabstractbutton.cpp 1011 0x235de1f1 29 QWidget::event qwidget.cpp 8897 0x23529590 30 QAbstractButton::event qabstractbutton.cpp 968 0x235df3ac 31 QPushButton::event qpushbutton.cpp 682 0x2366cf9c 32 QApplicationPrivate::notify_helper qapplication.cpp 3732 0x234e8326 33 QApplication::notify qapplication.cpp 3208 0x234ef94d 34 QCoreApplication::notifyInternal2 qcoreapplication.cpp 1050 0x6942c1c4 35 QCoreApplication::sendSpontaneousEvent qcoreapplication.h 237 0x234eedeb 36 QApplicationPrivate::sendMouseEvent qapplication.cpp 2709 0x234eedeb 37 QWidgetWindow::handleMouseEvent qwidgetwindow.cpp 661 0x2353ed74 38 QWidgetWindow::event qwidgetwindow.cpp 280 0x23540ee7 39 QApplicationPrivate::notify_helper qapplication.cpp 3732 0x234e8326 40 QApplication::notify qapplication.cpp 3104 0x234ef66e 41 QCoreApplication::notifyInternal2 qcoreapplication.cpp 1050 0x6942c1c4 42 QCoreApplication::sendSpontaneousEvent qcoreapplication.h 237 0x2f8ad0b8 43 QGuiApplicationPrivate::processMouseEvent qguiapplication.cpp 1960 0x2f8ad0b8 44 QGuiApplicationPrivate::processWindowSystemEvent qguiapplication.cpp 1741 0x2f8aeddd 45 QWindowSystemInterface::sendWindowSystemEvents qwindowsysteminterface.cpp 984 0x2f8910f3 46 QWindowsGuiEventDispatcher::sendPostedEvents qwindowsguieventdispatcher.cpp 82 0xe75d6e79 47 qt_internal_proc qeventdispatcher_win.cpp 237 0x6947f917 48 USER32!CallWindowProcW 0x7ffb08edbc50 49 USER32!DispatchMessageW 0x7ffb08edb5cf 50 QEventDispatcherWin32::processEvents qeventdispatcher_win.cpp 629 0x6947f07e 51 QWindowsGuiEventDispatcher::processEvents qwindowsguieventdispatcher.cpp 74 0xe75d6e57 52 QEventLoop::processEvents qeventloop.cpp 134 0x6942a83b 53 QEventLoop::exec qeventloop.cpp 212 0x6942ac59 54 QCoreApplication::exec qcoreapplication.cpp 1338 0x69433a9a 55 QGuiApplication::exec qguiapplication.cpp 1687 0x2f8a4df5 56 QApplication::exec qapplication.cpp 2917 0x234e8208 57 main ***.cpp 303 0x403288
Some more info at https://forum.qt.io/topic/88432/warn-qcoreapplication-postevent-unexpected-null-receiver-since-5-10-1/6
Attachments
Issue Links
- is duplicated by
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- Closed
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| For Gerrit Dashboard: QTBUG-66910 | ||||||
|---|---|---|---|---|---|---|
| # | Subject | Branch | Project | Status | CR | V |
| 222608,2 | Fix warning on deleteLater on nullptr in QSampleCache | 5.11 | qt/qtmultimedia | Status: MERGED | -1 | 0 |
| 237101,2 | Fix warning on deleteLater on nullptr in QSampleCache | 5.9 | qt/qtmultimedia | Status: MERGED | +2 | 0 |