https://bugs.kde.org/show_bug.cgi?id=378960
Bug ID: 378960
Summary: Block around cursor does not update with nvidia
proprietary
Product: kwin
Version: 5.9.4
Platform: Kubuntu Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: compositing
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 105096
--> https://bugs.kde.org/attachment.cgi?id=105096&action=edit
Screenshot showing the cursor block (scrolled down while mouse was on bug-list
above)
When rendering the screen, a block of pixels maybe 64x64 (might be 32x32
up-scaled, hard to tell with the high-res screen) around the mouse cursor does
not update in response to scrolling, content changes (e.g.typing text where you
click, buttons doing click animations), etc.
I can scroll quite a way and then leave the cursor sitting with an out-of-sync
content background for a long period (at least 15s) without the background
being updated to match the current background.
If I move the mouse after the background freezes, the background seems to be
selectively updating in the direction I move, which looks like a
cache-invalidation update that's taking the position and motion and only
updating that part of the cursor-box that should be getting changed.
Platform: Dell XPS 9550 (Early 2016)
Graphics: GeForce GTX 960M
OS: Kubuntu 17.04 (up to date)
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