Bug 412607

Summary: Display corruption after resume from standby with NVIDIA card
Product: [Plasma] plasmashell Reporter: sniegu <sniegu84>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: normal CC: meven29, plasma-bugs-null
Priority: NOR    
Version First Reported In: 5.16.5   
Target Milestone: 1.0   
Platform: Other   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description sniegu 2019-10-04 15:49:43 UTC
SUMMARY
Display corruption after resume from standby.

STEPS TO REPRODUCE
1. Go to standby
2. Resume from standby
3. Observe that login window is distorted

OBSERVED RESULT
Login window is distorted

EXPECTED RESULT
No distortion should occur

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: Kubuntu 19.04 Linux 5.0.0-29-generic
(available in About System)
KDE Plasma Version: 5.16.5
KDE Frameworks Version: 5.62.0
Qt Version: 5.12.2

ADDITIONAL INFORMATION
NVidia GTX 1050 Ti
Dispaly corruption on external HDMI monitor
Comment 1 David Edmundson 2019-10-04 16:02:15 UTC

*** This bug has been marked as a duplicate of bug 364766 ***
Comment 2 Méven Car 2019-11-19 10:08:38 UTC
This is an upstream bug that is solved in Qt 5.14.
Unfortunately, the bug will stay until you can update to Qt 5.14.
There is a workaround https://bugs.kde.org/show_bug.cgi?id=364766#c98 that may help.