my english is not very well, im sorry about it
what happend?
when i grab a window and put it on top of desktop and move left and right quickly
the windows will move slow and can not follow up the mouse, and after that, the whole system just stucked at a frame
no action for any input, can not switch to other TTYs, and my computer fan is going to take off
logs:
3 logs inside: [line0] hardware [line1049] journalctl [line3990] Kwin.supportInfomation [line4364]
here is the post ive sent on ArchLinux forums before, maybe have more infomation inside
https://bbs.archlinux.org/viewtopic.php?pid=2226803
Hi! For your reference (as mentioned on that similar post) there are KDE Bugtracking System issues filed for this:
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huge thanks for you, ill wait for the fixes
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should i post my log and what happend on bug tracker?
i mean comment those things on that bug (sry for my bad english)
If you check and see that your logs show some unique entries that aren’t already covered on those existing reports, then it’d definitely be helpful to add the relevant lines to a comment there.
Otherwise, adding yourself to the CC list in Bugzilla will email notifications to you whenever new comments are added or the status is changed 
That CC list checkbox is located here - making sure that’s checked, then choosing “Save Changes” will add you:
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