https://bugs.kde.org/show_bug.cgi?id=491751

--- Comment #24 from xei...@proton.me ---
Created attachment 176332
  --> https://bugs.kde.org/attachment.cgi?id=176332&action=edit
kwin 6.2.2, recover from freeze on reconnecting secondary monitor

Okay, after some more testing, downgrading to `kwin 6.2.2` does lead to better
results, at least in my case. Attached the journal output, but at a glance I
dont see any noticeably different messages from what was seen in the output
produced on versions 6.2.3 and 6.2.4, however the main difference was that the
system was able to recover quickly and unfreeze.

After downgrading, I'm able to disconnect and reconnect my graphics tablet
display at will, and the system does not freeze indefinitely as observed on the
more recent kwin versions. The freeze does still happen briefly, and the
journal is still flooded with the "GL_FRAMEBUFFER" errors, however by
comparison this only lasts a few seconds, and then the displays reset and
graphics unfreeze, allowing for the system to be used normally again. 

This still results in many applications crashing (kded6, kwallet, kde power
management system, etc.), so still not a complete workaround exactly. Would be
interested if this is a temporary workaround in some cases though, for those of
us that have been experiencing the issue on Plasma 6.2. As the issue does still
date back to 6.1 versions though, I wouldn't be surprised if this is just a
lucky coincidence with my setup.

Additionally I tested my Garuda setup as well but that also resulted in the
same graphics freezes, and it was not able to recover after just waiting. The
journal was effectively identical to the ones on Arch w/ kwin >=6.2.3. Did not
also test with downgrading kwin on Garuda, however the results for running it
with kwin 6.2.2 are already known to be identical to the test done on Arch just
now. 

I dont know if there's much more I can contribute at this time, but for anyone
else that looks into this further, please let me know if there's any other ways
I can assist!

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