Bug 1075592 - Plasma5 panel (autohide) leaves artifacts when compositing
Plasma5 panel (autohide) leaves artifacts when compositing
Status: NEW
Classification: openSUSE
Product: openSUSE Tumbleweed
Classification: openSUSE
Component: KDE Workspace (Plasma)
Current
Other Other
: P5 - None : Normal (vote)
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Reported: 2018-01-11 12:54 UTC by Peter Sütterlin
Modified: 2018-03-09 11:33 UTC (History)
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Description Peter Sütterlin 2018-01-11 12:54:55 UTC
On my TW desktop (Intel i7, NVidia GTX 1060) I have my panel set to autohide on the left side of the screen (vertical).

When it slides back, it does not do so everywhere - many areas still show parts of the panel.  Often some of those areas get repainted eventually, and doing a desktop switch also properly clears the area.

This only happens when compositing is active (I'm running kwin_x11; rendering backend is opengl).  If I switch it off, panel hides completely.

On the laptop (i7, HD530), running also TW, I do not see such problems.

I seem to remember that this started around the upgrade to kernel 4.14.9.  nvidia stuff is from the TW nvidia repo (http://download.nvidia.com/opensuse/tumbleweed)

Neither actually recompiling the kernel modules with dkms (instead of the default weak-update symlink) nor the recent update to 384.111 changed things.
Comment 1 Peter Sütterlin 2018-03-09 11:33:49 UTC
Meanwhile the driver had been updated to 390.25.
The issue is still there, slightly changed:
The artifact now is a blinking 1 (or 2?) pixel line at the border of the monitor (in my case, left side of the desktop).
As before it vanishes when switching the virtual desktop.