[Bug 264801] misc/xfce4-appfinder hangs at launch when using ibus

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264801

--- Comment #14 from Guido Falsi <madpilot@FreeBSD.org> ---
(In reply to luscent@gmail.com from comment #13)

The problem strongly looks like a race condition. Two (or more) async events
need to happen in a specific order for things to work correctly. If they happen
in a different order things lock up.

But being asynchronous events they can happen in any order, so it's a chance
thing.

It's also possible that running in a VM makes the wrong order more probable for
some reason than on real hardware. It is also very common in this kind of
situation for the broken behaviour to not show up when running in a debugger or
tracing tool (like truss(1)), due to the timing changes such tools impose.

This is a difficult kind of bug to diagnose.

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