https://bugs.kde.org/show_bug.cgi?id=469532
Moritz <bixi...@bixilon.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|DUPLICATE |---
Status|RESOLVED |REOPENED
Ever confirmed|0 |1
--- Comment #2 from Moritz <bixi...@bixilon.de> ---
This is actually not a duplicate of the mentioned bug, the other bug describes
high dolphin cpu load.
So reproducing this is quite easy with cheap consumer ssds. You copy files and
the ssd cache fills up and then io operations on the ssd get really slow and
pretty much stop. That is when everything (including the cursor) starts lagging
and there are way less screen updates, applications (like dolphin) start to
freeze and eventuelly (when the os flushed all file system changes and the ssd
can write again) become response again.
Probably something (maybe in kwin?) is waiting for something from the ssd.
Maybe it is also some io bug in the kernel? Did not track this one down.
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