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Type: Bug
Resolution: Done
Priority: P1: Critical
Fix Version/s: Qt Creator 3.0.0-rc1
Affects Version/s: Qt Creator 2.8.1
Component/s: FakeVim
Labels:
None
Environment:
Arch Linux x64 - Gnome 3.8.4

Commits:
a12a9f491cb31ff5c22f1051bb22ccfef6c65217 8e0597687cb178801f14d40d02a7b5bde77a78da

FakeVim enabled and go to insert mode and when trying to go back to command-mode (typing ':') the UI-freezes and after a while it crashes with segmentation fault.

The log is filled with following line

SOFT ASSERT: "!m_inFakeVim" in file /build/qtcreator/src/qt-creator-2.8.1-src/src/plugins/fakevim/fakevimhandler.cpp, line 2033
enterFakeVim() shouldn't be called recursively!

I've attached stack-trace (not complete as it is over 30000 calls) and the recursive part is following:

#35 0x00007ffff6630c85 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#36 0x00007ffff74cdedc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
No symbol table info available.
#37 0x00007ffff74d2fe6 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
No symbol table info available.
#38 0x00007ffff6630a5d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#39 0x00007fffec823ac9 in ?? () from /usr/lib/qt/plugins/platforminputcontexts/libibusplatforminputcontextplugin.so
No symbol table info available.
#40 0x00007ffff7503b17 in QWidget::setFocus(Qt::FocusReason) () from /usr/lib/libQt5Widgets.so.5
No symbol table info available.
#41 0x00007fffd5cb79e9 in ?? () from /usr/lib/qtcreator/plugins/QtProject/libFakeVim.so
No symbol table info available.
#42 0x00007fffd5cc2013 in ?? () from /usr/lib/qtcreator/plugins/QtProject/libFakeVim.so
No symbol table info available.
#43 0x00007ffff6656626 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#44 0x00007fffd5cc819b in ?? () from /usr/lib/qtcreator/plugins/QtProject/libFakeVim.so
No symbol table info available.
#45 0x00007fffd5c9260c in ?? () from /usr/lib/qtcreator/plugins/QtProject/libFakeVim.so
No symbol table info available.
#46 0x00007fffd5cac02f in ?? () from /usr/lib/qtcreator/plugins/QtProject/libFakeVim.so
No symbol table info available.
#47 0x00007fffd5ca9f16 in ?? () from /usr/lib/qtcreator/plugins/QtProject/libFakeVim.so
No symbol table info available.
#48 0x00007fffd5caa438 in ?? () from /usr/lib/qtcreator/plugins/QtProject/libFakeVim.so
No symbol table info available.
#49 0x00007fffd5caa6d6 in ?? () from /usr/lib/qtcreator/plugins/QtProject/libFakeVim.so
No symbol table info available.
#50 0x00007fffd5caf31e in ?? () from /usr/lib/qtcreator/plugins/QtProject/libFakeVim.so
No symbol table info available.
#51 0x00007ffff6630c85 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#52 0x00007ffff74cdedc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
No symbol table info available.
#53 0x00007ffff74d2fe6 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
No symbol table info available.
#54 0x00007ffff6630a5d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5

Note 1: I've had this problem earlier but after removing a bunch of configuration files and can't remember which ones it was solved but today the bug reappeared.

Note 2: This only happens in gnome3, no crash in KDE.