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FAILURE_BUCKET_ID: NULL_POINTER_READ_c0000005_Qt5Gui.dll!QTabletEvent::yTilt



  • Hello Friends And Qt Experts

    when i am running my application and sometime my application will be crash at any time
    so i am save Dump File for Details
    when i analyze my Dump File i got this Error.

    Qt5Gui.dll!QTabletEvent::yTilt

    :: Full Details Is ::

    SYMBOL_NAME: Qt5Gui!QTabletEvent::yTilt+5d9
    MODULE_NAME: Qt5Gui
    IMAGE_NAME: Qt5Gui.dll
    STACK_COMMAND: ~0s ; .ecxr ; kb
    FAILURE_BUCKET_ID: NULL_POINTER_READ_c0000005_Qt5Gui.dll!QTabletEvent::yTilt
    OS_VERSION: 10.0.19041.1
    BUILDLAB_STR: vb_release
    OSPLATFORM_TYPE: x64
    OSNAME: Windows 10
    FAILURE_ID_HASH: {b00420ac-b17d-c5bb-674f-da896ef2523a}
    Followup: MachineOwner

    Please help Me to Solve this Exception
    Thanks In Advance


  • Lifetime Qt Champion

    @Ketan__Patel__0011 said in FAILURE_BUCKET_ID: NULL_POINTER_READ_c0000005_Qt5Gui.dll!QTabletEvent::yTilt:

    Please help Me to Solve this Exception

    Please post the stack trace after the crash...



  • @jsulm

    *** WARNING: Unable to verify checksum for Qt5Widgets.dll
    *** WARNING: Unable to verify checksum for Qt5Core.dll
    *** WARNING: Unable to verify checksum for qwindows.dll
    *** WARNING: Unable to verify timestamp for MYApplication.exe

    STACK_TEXT:
    000000986b7b95f0 00007ff8be0a9b99 : 00000273575325a0 0000027356f683b0 000000000000033d 0000000000000239 : Qt5Gui!QTabletEvent::yTilt+0x5d9
    000000986b7b96a0 00007ff8be0a940d : 0000000000000500 000000000000033d 000000986b7b9bb0 000000986b7b9bb0 : Qt5Gui!QVectorPath::convertToPainterPath+0x2a3a9
    000000986b7b96e0 00007ff8bdf4f83c : 000000986b7b9bb0 000000000000033d 0000027356f67f90 4090000000000000 : Qt5Gui!QVectorPath::convertToPainterPath+0x29c1d
    000000986b7b9770 00007ff8bdf502c7 : 0000027356f67f01 0000000000000500 0000027356f67f90 0000000000000000 : Qt5Gui!QImage::smoothScaled+0x1ec
    000000986b7b9840 00007ff8bdf4e293 : 0000027356f67f90 0000027356f67f90 0000000000000000 0000000000000001 : Qt5Gui!QImage::transformed+0x4c7
    000000986b7b9b70 00007ff8c92790a8 : 000002390000033d 0000027356f67f90 0000000000000000 00007ff907149761 : Qt5Gui!QImage::scaled+0x1f3
    000000986b7b9ca0 00007ff8c918db3f : 000002390000033d 00007ff8c9150000 0000027300000481 0000027300000491 : Qt5Widgets!QLabel::paintEvent+0x888
    000000986b7ba010 00007ff8c92316c7 : 0000027300000002 000000986b7baa98 000002734bebbd90 00000273527c2b00 : Qt5Widgets!QWidget::event+0x5cf
    000000986b7ba1f0 00007ff8c9168f30 : 000002734bef3fb0 0000027351e76730 0000027351e76730 000000986b7baa98 : Qt5Widgets!QFrame::event+0x37
    000000986b7ba220 00007ff8c9167e6d : 000002734bebb420 000000986b7ba350 000000986b7baa98 000002734bde0cf0 : Qt5Widgets!QApplicationPrivate::notify_helper+0x140
    000000986b7ba250 00007ff8bda95729 : 0000027351e76730 000000986b7baa98 0000000000000000 000002734bebb420 : Qt5Widgets!QApplication::notify+0x1b1d
    000000986b7ba970 00007ff8c918d17a : 0000027351e76730 0000000000000000 0000027351e76730 0000027351e76730 : Qt5Core!QCoreApplication::notifyInternal2+0xb9
    000000986b7ba9f0 00007ff8c9193655 : 000002735222e290 000002735222e160 000002735222e160 00007ff800000014 : Qt5Widgets!QWidgetPrivate::drawWidget+0xa8a
    000000986b7bab60 00007ff8c918cd2b : 000002735232f840 00000273527c2b48 00000273525ae780 00007ff800000015 : Qt5Widgets!QWidgetPrivate::paintSiblingsRecursive+0x3b5
    000000986b7bac70 00007ff8c9193655 : 000002735232f970 000002735232f840 000002735232f840 00007ff800000005 : Qt5Widgets!QWidgetPrivate::drawWidget+0x63b
    000000986b7bade0 00007ff8c918cd2b : 000002735089edf0 00000273527c2b48 00000273525ae6a0 00007ff80000000d : Qt5Widgets!QWidgetPrivate::paintSiblingsRecursive+0x3b5
    000000986b7baef0 00007ff8c9193655 : 000002735089ef20 000002735089edf0 000002735089edf0 00007ff8ffffffff : Qt5Widgets!QWidgetPrivate::drawWidget+0x63b
    000000986b7bb060 00007ff8c918cd2b : 0000027350621cd0 00000273527c2b48 00000273525ae360 0000027300000001 : Qt5Widgets!QWidgetPrivate::paintSiblingsRecursive+0x3b5
    000000986b7bb170 00007ff8c9170904 : 000000986b7bb4d8 0000000000000000 0000000000000000 0000000000000024 : Qt5Widgets!QWidgetPrivate::drawWidget+0x63b
    000000986b7bb2e0 00007ff8c918dff1 : 0000027300000005 00007ff8c921e900 00007ff8bdbb6148 00000273525ae0a0 : Qt5Widgets!QApplication::windowIcon+0x2674
    000000986b7bb6e0 00007ff8c9168f30 : 000002734bef3fb0 00000273507215e0 00000273507215e0 00000273525ae2e0 : Qt5Widgets!QWidget::event+0xa81
    000000986b7bb8c0 00007ff8c9167e6d : 000002734bebb420 000000986b7bb9f0 00000273525ae2e0 0000000000000000 : Qt5Widgets!QApplicationPrivate::notify_helper+0x140
    000000986b7bb8f0 00007ff8bda95729 : 00000273525ae2e0 00000273525ae2e0 0000000000000000 000002734bebb420 : Qt5Widgets!QApplication::notify+0x1b1d
    000000986b7bc010 00007ff8bda9793d : 000000986b7bc148 0000000000000000 00000273525ae2e0 000000986b7bc148 : Qt5Core!QCoreApplication::notifyInternal2+0xb9
    000000986b7bc090 00007ff8c903deaf : 0000027300000000 0000000000000000 000002734bef5080 000002734bebb450 : Qt5Core!QCoreApplicationPrivate::sendPostedEvents+0x22d
    000000986b7bc150 00007ff8bdae1c76 : 0000000000000000 0000000000000000 0000000000000401 000000986b7bc398 : qwindows!qt_plugin_query_metadata+0x1d9f
    000000986b7bc180 00007ff90683e858 : 0000000000000000 0000000000000000 0000000000000001 0000000000000000 : Qt5Core!QEventDispatcherWin32::processEvents+0xd46
    000000986b7bc2b0 00007ff90683e299 : 0000000000003dff 00007ff8bdae18a0 00000000001b14f2 0000027300000401 : user32!UserCallWinProcCheckWow+0x2f8
    000000986b7bc440 00007ff8bdae1466 : 00007ff8bdae18a0 000002734bef9e01 000002734bef9e00 0000000000000000 : user32!DispatchMessageWorker+0x249
    000000986b7bc4c0 00007ff8c903de89 : 0000000000000000 0000027300000024 000000986b7bf700 0000009800000000 : Qt5Core!QEventDispatcherWin32::processEvents+0x536
    000000986b7bf640 00007ff8bda915e3 : 000002734bef3fb0 0000027300000014 000002735017d330 000002734bebb420 : qwindows!qt_plugin_query_metadata+0x1d79
    000000986b7bf670 00007ff8bda94394 : 000002734beb4c40 0000027300000000 000002734bebb420 000002734bee6f40 : Qt5Core!QEventLoop::exec+0x1b3
    000000986b7bf6f0 00007ff6fbbf37a4 : 000000986b7bf788 000002734bef3e50 000000986b7bf788 0000000000000000 : Qt5Core!QCoreApplication::exec+0x144
    000000986b7bf760 000000986b7bf788 : 000002734bef3e50 000000986b7bf788 0000000000000000 fffffffffffffffe : MYApplication+0x737a4
    000000986b7bf768 000002734bef3e50 : 000000986b7bf788 0000000000000000 fffffffffffffffe 00007ff8c94991a0 : 0x000000986b7bf788 000000986b7bf770 000000986b7bf788 : 0000000000000000 fffffffffffffffe 00007ff8c94991a0 000002734bebbd90 : 0x000002734bef3e50
    000000986b7bf778 0000000000000000 : fffffffffffffffe 00007ff8c94991a0 000002734bebbd90 000002734be9da60 : 0x00000098`6b7bf788


  • Lifetime Qt Champion

    @Ketan__Patel__0011 I don't see anything obvious. Could be a bug in Qt. You should check Qt bug tracker and file a bug if there is nothing related.



  • @jsulm
    How you can Decide there is nothings Details about Software Bug ?
    Could you elaborate ?


  • Lifetime Qt Champion

    @Ketan__Patel__0011 You can search on Qt bugtracker (https://bugreports.qt.io/secure/Dashboard.jspa) for the error you get (FAILURE_BUCKET_ID, NULL_POINTER_READ).



  • @jsulm

    So Should I have to change my Qt Version ?


  • Lifetime Qt Champion

    @Ketan__Patel__0011 said in FAILURE_BUCKET_ID: NULL_POINTER_READ_c0000005_Qt5Gui.dll!QTabletEvent::yTilt:

    So Should I have to change my Qt Version ?

    I did not suggest that



  • @jsulm
    This is being discussed in another of @Ketan__Patel__0011's threads, https://forum.qt.io/topic/124417/how-to-handle-random-crashes-in-application. And the latest reply there by @Christian-Ehrlicher implies that he is using threads and addressing the UI from non-UI threads, which is likely the cause....


  • Lifetime Qt Champion

    @JonB Yes, I saw it, but changing Qt version is not going to solve that :-)



  • @jsulm
    Absolutely! The threading needs to be addressed. I just wanted to alert you to the other thread, before you spent time trying to answer here.


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