https://bugs.kde.org/show_bug.cgi?id=500766
J Parker <j...@pzenix.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|FIXED |BACKTRACE
--- Comment #2 from J Parker <j...@pzenix.com> ---
(In reply to Waqar Ahmed from comment #1)
> can't reproduce locally, zoom doesn't go beyond 9% here
>
> Can you try to break using gdb to see where its getting stuck?
>
> first install gdb, then:
> $ gdb kate -b
> once kate shows up, make it freeze, then return to the terminal and hit
> Ctrl-C.
> $ Ctrl-C
> $ bt
>
> paste the backtrace (output from the last command)
Hi Waqar,
I didn't have any luck with 'gdb' on 'kate', it seemed to branch off and not
follow the newly created thread, even with 'set detach-on-fork off' set. '-b'
seems to relate to a serial baud rate setting, I'm not sure whether there's
parameter mismatch on different versions or something similar.
I had some luck with 'gdb kwrite' however, which - in my testing - suffers from
the same issue.
I've included the 'bt' output from 'gdb kwrite' below.
#0 0x00007ffff6e76667 in QFontDatabasePrivate::match(int, QFontDef const&,
QString const&, QString const&, QtFontDesc*, QList<int> const&, unsigned int*)
() from /usr/lib/libQt6Gui.so.6
#1 0x00007ffff6e85d1b in QFontDatabasePrivate::findFont(QFontDef const&, int,
bool) () from /usr/lib/libQt6Gui.so.6
#2 0x00007ffff6e92d6c in QFontEngineMulti::loadEngine(int) () from
/usr/lib/libQt6Gui.so.6
#3 0x00007ffff6e8ee2e in QFontEngineMulti::ensureEngineAt(int) () from
/usr/lib/libQt6Gui.so.6
#4 0x00007ffff6e8f37a in QFontEngineMulti::stringToCMap(QChar const*, int,
QGlyphLayout*, int*, QFlags<QFontEngine::ShaperFlag>) const () from
/usr/lib/libQt6Gui.so.6
#5 0x00007ffff6f262e5 in QTextEngine::shapeText(int) const () from
/usr/lib/libQt6Gui.so.6
#6 0x00007ffff6f4d7f6 in QTextLine::layout_helper(int) () from
/usr/lib/libQt6Gui.so.6
#7 0x00007ffff5b7e33a in ?? () from /usr/lib/libKF6TextEditor.so.6
#8 0x00007ffff5d1d1ed in ?? () from /usr/lib/libKF6TextEditor.so.6
#9 0x00007ffff5b7f7df in ?? () from /usr/lib/libKF6TextEditor.so.6
#10 0x00007ffff5bfe2be in ?? () from /usr/lib/libKF6TextEditor.so.6
#11 0x00007ffff5bd50b4 in KTextEditor::ViewPrivate::updateRendererConfig() ()
from /usr/lib/libKF6TextEditor.so.6
#12 0x00007ffff5b6be4c in ?? () from /usr/lib/libKF6TextEditor.so.6
#13 0x00007ffff5c0a28c in ?? () from /usr/lib/libKF6TextEditor.so.6
#14 0x00007ffff7551908 in QWidget::event(QEvent*) () from
/usr/lib/libQt6Widgets.so.6
#15 0x00007ffff74ff5b7 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt6Widgets.so.6
#16 0x00007ffff7505725 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt6Widgets.so.6
#17 0x00007ffff635fbd8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt6Core.so.6
#18 0x00007ffff756c82e in ?? () from /usr/lib/libQt6Widgets.so.6
#19 0x00007ffff74ff5b7 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt6Widgets.so.6
#20 0x00007ffff635fbd8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt6Core.so.6
#21 0x00007ffff6b941a3 in
QGuiApplicationPrivate::processWheelEvent(QWindowSystemInterfacePrivate::WheelEvent*)
() from /usr/lib/libQt6Gui.so.6
#22 0x00007ffff6c0bc3b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/libQt6Gui.so.6
#23 0x00007ffff7101d14 in ?? () from /usr/lib/libQt6Gui.so.6
#24 0x00007ffff4b96c17 in ?? () from /usr/lib/libglib-2.0.so.0
#25 0x00007ffff4c0c698 in ?? () from /usr/lib/libglib-2.0.so.0
#26 0x00007ffff4b98892 in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#27 0x00007ffff65e6ccb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt6Core.so.6
#28 0x00007ffff636a976 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt6Core.so.6
#29 0x00007ffff6362b7c in QCoreApplication::exec() () from
/usr/lib/libQt6Core.so.6
#30 0x0000555555556da4 in ?? ()
#31 0x00007ffff603388e in ?? () from /usr/lib/libc.so.6
#32 0x00007ffff603394a in __libc_start_main () from /usr/lib/libc.so.6
#33 0x0000555555556de5 in ?? ()
--
On a sidenote, I tried turning down the sensitivity of the scroll wheel and I'm
able to get to 3-4% reliably before it freezes, so if there's supposed to be
some kind of limit on the zoom level above 4%, it doesn't appear to be kicking
in for me.
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