Re: Strange Artifacts on the Panel

[Jonathan Ryshpan <jonrysh@xxxxxxxxxxx>]

On Thu, 2021-01-28 at 09:53 -0800, Jonathan Ryshpan wrote:

On Thu, 2021-01-28 at 07:49 -0800, Jonathan Ryshpan wrote:

I've been seeing strange things on my panel for about a week or two.  They are triangles or lines extending horizontally from a region of some color, narrowing to a point.  They last generally for up to about 30 seconds.  Attached is a picture of such an artifact (PanelArtifact.jpg), taken with my cell phone.  Note the black stripe just above "System Information".  Has anyone seen anything like this

System: Fedora-32 all updates installed

Processor:  4 x Intel i5 4460 CPU at 3.2 GHz

Memory:  15.5 GiB RAM

Video System: Xorg (not Wayland)

Graphics: Mesa DRI Intel HD Graphics 4600

KDE Plasma: 5.20.5

KDE Framework: 5.78.0

Could it be a hardware issue?  It has an intermittent quality that looks like hardware trouble; but then why would the artifacts happen only in the panel?

Continuing: It does look like a hardware issue that affects only KDE Plasma.  I see these things intermittently and only in plasma, i.e. the desktop, the panel, and the start menu.  They have become more pronounced, often flickering between this (normal)

and this (black panel, etc)

I'm planning to replace the CPU intel i5-4460 with an intel i7-4790.  Let's see it it makes a difference.

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