https://bugs.kde.org/show_bug.cgi?id=396087
Alexander Kandaurov <aakandau...@yandex.ru> changed:
What |Removed |Added
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CC| |aakandau...@yandex.ru
--- Comment #7 from Alexander Kandaurov <aakandau...@yandex.ru> ---
I investigated this a bit and it looks like what causes the hang is the
QTimer::singleShot() call from Generator::generatePixmap() which keeps an
endless cycle of firing and resetting the same timer. I also experienced a hang
once on closing a document (the window has closed but the process remained
eating 25% of CPU) where it got stuck in
DocumentPrivate::clearAndWaitForRequests() on loop.exec() call where it also
kept firing that generatePixmap() timer.
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