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On 2016-04-14T12:53:03+00:00 Jirislaby wrote:

Currently, I use intel_drv with SNA. I have compositing enabled (opengl
3.1).

When I switch to modesetting_drv, plasmashell "locks up" few seconds
after start. The trigger is perhaps hovering over icons in the tray.

The lockup is that X spins with drm_ioctl_wait_vblank and other ioctls on one 
CPU 100%. When I do:
killall plasmashell ; plasmashell
X stops spinning until I hover over the icons again.

So plasmashell has some problem with rendering, I suppose. I tried both
OpenGL and XRender compositing. Note that this also happens without
compositing enabled at all.

Reproducible: Always

Reply at: https://bugs.launchpad.net/ubuntu/+source/plasma-
workspace/+bug/1811214/comments/0


** Changed in: kde-workspace
       Status: Unknown => New

** Changed in: kde-workspace
   Importance: Unknown => High

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https://bugs.launchpad.net/bugs/1811214

Title:
  plasmashell stops updating when compositing is disabled

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