https://bugs.kde.org/show_bug.cgi?id=403643
Tobias Deiminger <haxti...@posteo.de> changed:
What |Removed |Added
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CC| |haxti...@posteo.de
--- Comment #17 from Tobias Deiminger <haxti...@posteo.de> ---
(In reply to Postix from comment #10)
> There are also a few lines with
> > generatePixmap
Qt has a shortcut for QTimer::singleShot(msec = 0, ...), where they call
QMetaObject::invokeMethodImpl to trigger your lambda immediately via a
QueuedConnection plus one iteration through the event loop.
So a callstack like yours
#n+1 QMetaObject::invokeMethodImpl
#n Okular::Generator::generatePixmap
...
#n-m QCoreApplicationPrivate::sendPostedEvents
could indeed stem from a "text generation already finished but mTextPageReady
still false" endless loop, assuming the compiler has inlined some calls for
optimization. Note the "could", I see no definite proof yet.
I generally agree with Albert that this issue is particularly hard to debug
without being able to reproduce it locally.
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