[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Ian Page Hands]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #135 from Ian Page Hands  ---
Coming here from (it was duped by someone)
https://bugs.kde.org/show_bug.cgi?id=394583

For me at least, the task bar freezing is gone when I disable the compositor.
I've been running with the compositor disabled for weeks now and I don't
experience the issue.

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[plasmashell] [Bug 394583] "Panel" UI freezes, still functional but display is no longer updating

[Ian Page Hands]

https://bugs.kde.org/show_bug.cgi?id=394583

--- Comment #4 from Ian Page Hands  ---
For what its worth... I have been running with the compositor disabled for a
while now, and the issue is gone while in this mode.

I suspect the issue still exists, but I just keep the compositor disabled.

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[kwin] [Bug 394583] "Panel" UI freezes, still functional but display is no longer updating

[Ian Page Hands]

https://bugs.kde.org/show_bug.cgi?id=394583

--- Comment #1 from Ian Page Hands  ---
This seems an awful lot like the bug described here:
https://bugzilla.redhat.com/show_bug.cgi?id=1193742

That bug talks about this happening with Intel graphics though. I am running
NVIDIA hardware and drivers.

One other interesting thing is if I start and stop the compositor the
transparency of the panel get enabled/disabled, but still the wrong information
is shown (i.e. the clock is wrong, the state of the task manager is wrong etc).

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[kwin] [Bug 394583] "Panel" UI freezes, still functional but display is no longer updating

[Ian Page Hands]

https://bugs.kde.org/show_bug.cgi?id=394583

Ian Page Hands  changed:

   What|Removed |Added

   Platform|Other   |RedHat RPMs

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[kwin] [Bug 394583] New: "Panel" UI freezes, still functional but display is no longer updating

[Ian Page Hands]

https://bugs.kde.org/show_bug.cgi?id=394583

Bug ID: 394583
   Summary: "Panel" UI freezes, still functional but display is no
longer updating
   Product: kwin
   Version: 5.12.5
  Platform: Other
OS: Linux
Status: UNCONFIRMED
  Severity: normal
  Priority: NOR
 Component: core
  Assignee: kwin-bugs-n...@kde.org
  Reporter: ipha...@gmail.com
  Target Milestone: ---

I use a single "Panel" that has the laucher, virtual desktop switcher, task
manager, and notifications / clock.

Every once in a while (usually < 1hr of usage) I notice that the clock is
stopped. Also the task manager portion shows old state... if I had xosview open
(for example) when the "Panel" froze, then kill it later... I can still see the
xosview in the task manager.

The state of the task manager *is* updated. I can change from app to app just
fine, but I have to know where they are because what I see does not reflect the
current state.

I can even hover and pause and discover what is actually on the panel. i.e. If
I hover over what appears to be taskA (even though taskA is no longer preset)
if taskB happens to be in that same spot, the flyout menu shows taskB.

Also alt+tab shows the correct tasks and task order, even when the panel
UI/diplay is "frozen".

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