[Bug 1891408] [NEW] kubuntu 18.04.5 qa-test, video artifacts & flashes as content on display changes

[Chris Guiver]

Public bug reported:

I'll add more detail shortly..

This issue is video related I believe, and won't impact 18.04.5 release
- so I'm just recording for purposes so I can move to next test.. as I
type this, the diagonal images are static, however as the cursor moves
to the next 'line' in the browser page, the effects change briefly..

it's flashing on major changes of display images, and would be difficult
to use, possibly risky if user is prone to seizures...

guiverc at dx6120-MT-PL926AV:~$ sudo lshw -C video
[sudo] password for guiverc: 
  *-display                 
       description: VGA compatible controller
       product: G73 [GeForce 7600 GT]
       vendor: NVIDIA Corporation
       physical id: 0
       bus info: pci at 0000:01:00.0
       version: a1
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
       configuration: driver=nouveau latency=0
       resources: irq:27 memory:f1000000-f1ffffff memory:e0000000-efffffff memory:f2000000-f2ffffff ioport:1000(size=128) memory:c0000-dffff

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: kubuntu-desktop (not installed)
ProcVersionSignature: Ubuntu 5.4.0-42.46~18.04.1-generic 5.4.44
Uname: Linux 5.4.0-42-generic i686
ApportVersion: 2.20.9-0ubuntu7.16
Architecture: i386
CurrentDesktop: KDE
Date: Thu Aug 13 10:02:22 2020
InstallationDate: Installed on 2020-08-12 (0 days ago)
InstallationMedia: Kubuntu 18.04.5 LTS "Bionic Beaver" - Release i386 (20200806.1)
SourcePackage: kubuntu-meta
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: kubuntu-meta (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug bionic i386

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Title:
  kubuntu 18.04.5 qa-test, video artifacts & flashes as content on
  display changes

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