[Bug 51420] Running any program in Wine causes 100% cpu usage in Xorg

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51420

--- Comment #5 from mouse <mouse at dayrep.com> ---
I don't think I will be able to help out with a regression test identifying a
specific commit, as the multilib in Debian isn't complete enough to do a full
wine build without custom chroots or other workarounds I don't feel I can pull
off within a reasonable timeframe.
What I do know is that it is a change between wine 6.10 and 6.11 (non-staging)
which narrows it down quite a bit.

The other piece of info, that this message:
err:ntdll:RtlpWaitForCriticalSection section 7BC61360 "dlls/ntdll/loader.c:
loader_section" wait timed out in thread 0158, blocked by 0144, retrying (60
sec)
only shows up (and shows up repeatedly) on the borked versions might give a
starting spot for an investigation.

I can also provide custom debug logs (as in WINEDEBUG=-whatever) in case that
might help.

I feel like this is issue is appropriate for this bugtracker, at least until
the cause is found, as a change in version number of wine, and not of Xorg or a
Debian apt upgrade makes the issue show up and go away.
(Even though of course we might still find out that it is a NOTOURBUG in the
end.)

I didn't do any fancy profiling for the CPU usage, I just managed to get onto a
terminal tab with top running in it. I saw Xorg was at close to 99.9% and every
other process lower that 2%.
Wine seems to otherwise work, it is just that everything takes forever and
system responsiveness of course is very poor.

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