https://bugs.kde.org/show_bug.cgi?id=492506

--- Comment #19 from Oded Arbel <o...@geek.co.il> ---
Yesterday I got like 5 more crashes, within a couple of hours of work. I
stopped bothering capturing debug data after the second one (after getting 3
freezes in less than 30 minutes), but I uploaded two new traces to the
http://kwincrash.geek.co.il directory.

Looking at the flame graphs for the perf data, in all cases most of the time is
spent under QQuickFlickableVisibleArea::heightRatioChanged  - which calls (I'm
guessing) a hierarchy of QQuick items, where each is running its `setSize()`
method - but as this is notably something like 90% of processing during a 30
seconds duration. Seems to me that its likely that
QSGGuiThreadRenderLoop::renderWindow is being run and/or running the QQuick
re-render loop continuously without stopping for actual rendering or input.

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