[Libreoffice-bugs] [Bug 122749] Extension Manager freezes after installing oxt on Mac LibreOffice version 6.1.4.2

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=122749

--- Comment #11 from Michael Meeks <michael.meeks at collabora.com> ---
Trace (thanks Alex) looks rather like the other problem we have when building
with a modern compiler for OSX. I would rather suspect that we are doing a ton
of rendering - at high frequency - and that OSX is batching all of this up to
be rendered later. Then - when it comes to render it - it tries to do clever
scene analytics to partition the work (which makes sense) - but their
apparently recursive algorithm blows up for large amounts of data and hangs.

May be compounded by some producer/consumer mismatch I guess - such that one
thread is queueing new things to render regularly while the other is fighting a
loosing battle to partition / analyse that for GPU dispatch somewhere else. At
least, that's my guess.

Might be interesting to see what VCL rendering APIs are being called - and/or
how much 'paint' stuff is actually going on - possibly a SAL_LOG=1 output for a
dbgutil build would show that.

Thanks !

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