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  1. Qt Creator
  2. QTCREATORBUG-14888

Segfault when maximizing/minimizing Qt Creator

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Not Evaluated
    • Resolution: Duplicate
    • Affects Version/s: Qt Creator 3.4.2
    • Fix Version/s: None
    • Component/s: All Other Issues
    • Labels:
      None
    • Environment:
      Windows 10 x64
      Qt Creator from msys2 (mingw-w64 x86_64) Based on Qt 5.5.0 (GCC 5.1.0, 64 bit)

      Description

      There are different ways to reproduce this bug, this seems to be the most simple.

      1. Open a project and a source file
      3. Try to minimize/maximize the window a few times
      4. Segmentation fault

      I attached the full backtrace (gdb.txt). Here is main thread where segfault occurs:

      #0  0x0000000001438560 in QRasterPaintEngine::penChanged() ()
         from e:\msys64\mingw64\bin\Qt5Gui.dll
      #1  0x000000000144c9e7 in QPainter::setPen(QColor const&) ()
         from e:\msys64\mingw64\bin\Qt5Gui.dll
      #2  0x0000000000d8aaa3 in QCommonStyle::drawControl(QStyle::ControlElement, QStyleOption const*, QPainter*, QWidget const*) const ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #3  0x0000000000de6b0d in QProxyStyle::layoutSpacing(QSizePolicy::ControlType, QSizePolicy::ControlType, Qt::Orientation, QStyleOption const*, QWidget const*) const () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #4  0x0000000000dda02d in QProxyStyle::layoutSpacing(QSizePolicy::ControlType, QSizePolicy::ControlType, Qt::Orientation, QStyleOption const*, QWidget const*) const () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #5  0x0000000000dca913 in QProxyStyle::layoutSpacing(QSizePolicy::ControlType, QSizePolicy::ControlType, Qt::Orientation, QStyleOption const*, QWidget const*) const () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #6  0x000000006d8b2d1b in ManhattanStyle::drawControl(QStyle::ControlElement, QStyleOption const*, QPainter*, QWidget const*) const ()
         from E:\msys64\mingw64\lib\qtcreator\plugins\Core.dll
      #7  0x0000000000fbda54 in QStyledItemDelegate::paint(QPainter*, QStyleOptionViewItem const&, QModelIndex const&) const ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #8  0x0000000000f67e8c in QListView::paintEvent(QPaintEvent*) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #9  0x0000000000d5b2e8 in QWidget::event(QEvent*) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #10 0x0000000000e431be in QFrame::event(QEvent*) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #11 0x0000000000f50351 in QAbstractItemView::viewportEvent(QEvent*) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #12 0x00000000668ca1b0 in QCoreApplicationPrivate::createEventDispatcher() ()
         from e:\msys64\mingw64\bin\Qt5Core.dll
      #13 0x0000000000d1aa58 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #14 0x0000000000d1fcf0 in QApplication::notify(QObject*, QEvent*) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #15 0x00000000668caaac in QCoreApplication::notifyInternal(QObject*, QEvent*)
          () from e:\msys64\mingw64\bin\Qt5Core.dll
      #16 0x0000000000d539fc in QWidgetPrivate::sendPaintEvent(QRegion const&) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #17 0x0000000000d53f3d in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #18 0x0000000000d54cc6 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #19 0x0000000000d53b65 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #20 0x0000000000d54cc6 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #21 0x0000000000d54bba in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #22 0x0000000000d53b65 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #23 0x0000000000d54cc6 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #24 0x0000000000d53b65 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #25 0x0000000000d54cc6 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #26 0x0000000000d54bba in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #27 0x0000000000d53b65 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #28 0x0000000000d54cc6 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #29 0x0000000000d53b65 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #30 0x0000000000d54cc6 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #31 0x0000000000d54bba in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #32 0x0000000000d53b65 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #33 0x0000000000d54cc6 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #34 0x0000000000d53b65 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #35 0x0000000000d54cc6 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #36 0x0000000000d54bba in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #37 0x0000000000d53b65 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #38 0x0000000000d269a7 in QWidgetPrivate::repaint_sys(QRegion const&) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #39 0x0000000000d26b85 in QWidgetPrivate::repaint_sys(QRegion const&) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #40 0x0000000000d431d4 in QWidgetPrivate::syncBackingStore() ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #41 0x0000000000d71e80 in QDesktopWidget::qt_metacall(QMetaObject::Call, int, void**) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #42 0x0000000000d74c80 in QDesktopWidget::qt_metacall(QMetaObject::Call, int, void**) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #43 0x0000000000d1aa7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #44 0x0000000000d1fcf0 in QApplication::notify(QObject*, QEvent*) ()
         from e:\msys64\mingw64\bin\Qt5Widgets.dll
      #45 0x00000000668caaac in QCoreApplication::notifyInternal(QObject*, QEvent*)
          () from e:\msys64\mingw64\bin\Qt5Core.dll
      #46 0x00000000012bd89e in QGuiApplicationPrivate::processGeometryChangeEvent(QWindowSystemInterfacePrivate::GeometryChangeEvent*) ()
         from e:\msys64\mingw64\bin\Qt5Gui.dll
      #47 0x00000000012c29a5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) ()
         from e:\msys64\mingw64\bin\Qt5Gui.dll
      #48 0x00000000012adb27 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from e:\msys64\mingw64\bin\Qt5Gui.dll
      #49 0x0000000066913c27 in QEventDispatcherWin32Private::sendTimerEvent(int) ()
         from e:\msys64\mingw64\bin\Qt5Core.dll
      #50 0x00007ffee70600dc in USER32!DispatchMessageW ()
         from C:\Windows\system32\user32.dll
      #51 0x00007ffee705fc07 in USER32!DispatchMessageW ()
         from C:\Windows\system32\user32.dll
      #52 0x0000000066913594 in QEventDispatcherWin32::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from e:\msys64\mingw64\bin\Qt5Core.dll
      #53 0x000000006dce5ebf in ?? ()
         from E:\msys64\mingw64\share\qt5\plugins\platforms\qwindows.dll
      #54 0x00000000668c9ce1 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from e:\msys64\mingw64\bin\Qt5Core.dll
      #55 0x00000000668cffd7 in QCoreApplication::exec() ()
         from e:\msys64\mingw64\bin\Qt5Core.dll
      #56 0x00000000004080e2 in ?? ()
      #57 0x000000000040a226 in ?? ()
      #58 0x00000000004013ed in ?? ()
      #59 0x00000000004014fb in ?? ()
      #60 0x00007ffee6b82d92 in KERNEL32!BaseThreadInitThunk ()
         from C:\Windows\system32\kernel32.dll
      #61 0x00007ffee8fc9f64 in ntdll!RtlUserThreadStart ()
         from C:\Windows\SYSTEM32\ntdll.dll
      #62 0x0000000000000000 in ?? ()
      
      
      • FIle system view
      • Happens with all styles
      • Unrelated to WelcomeScreen/QQuickWidget
      • Happens only with source file, not for plain text (seems to involve 2 item views)

        Attachments

        1. gdb.txt
          46 kB
        2. penChanged_crash.png
          penChanged_crash.png
          228 kB
        3. penChanged_crash.txt
          887 kB
        4. qtcreatorbug14888_diag.diff
          31 kB
        5. qtcreatorbug14888_log.txt
          8 kB

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            Activity

              People

              • Assignee:
                kkohne Kai Köhne
                Reporter:
                nazar554 Nazar Mishturak
              • Votes:
                1 Vote for this issue
                Watchers:
                4 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved:

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