[Bug 1592668] Re: plasmashell is eating 100% cpu and all UI is slow

[vasilisc]

plasmashell consumes 100% CPU and rendering programs becomes slow.
-----------
Thu, 27 Feb 2020 09:02:03 +0300
[Ubuntu]
Description:    Ubuntu Focal Fossa (development branch)
Release:        20.04

[Kernel linux]
Linux vasilisc 5.4.0-14-generic #17-Ubuntu SMP Thu Feb 6 22:47:59 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

[Kernel command line]
BOOT_IMAGE=/vmlinuz-5.4.0-14-generic root=UUID=6d8ea6da-b2d9-406c-a812-2b21a2925731 ro rootflags=subvol=@ elevator=noop

[VGA]
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK107 [GeForce GT 640] [10de:0fc1] (rev a1) (prog-if 00 [VGA controller])
        Subsystem: ASUSTeK Computer Inc. GK107 [GeForce GT 640] [1043:83f3]
        Flags: bus master, fast devsel, latency 0, IRQ 33
        Memory at f6000000 (32-bit, non-prefetchable) [size=16M]
        Memory at e0000000 (64-bit, prefetchable) [size=256M]
        Memory at f0000000 (64-bit, prefetchable) [size=32M]
        I/O ports at e000 [size=128]
        Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel driver in use: nvidia

[Versions]
libc6:amd64      2.30-0ubuntu3   amd64
libc6:i386       2.30-0ubuntu3   i386
libc6-dbg:amd64          2.30-0ubuntu3   amd64
libc6-dev:amd64          2.30-0ubuntu3   amd64
xserver-xorg-video-nouveau:
  Installed: 1:1.0.16-1
  Candidate: 1:1.0.16-1
  Version table:
 *** 1:1.0.16-1 500
        500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
        100 /var/lib/dpkg/status

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https://bugs.launchpad.net/bugs/1592668

Title:
  plasmashell is eating 100% cpu and all UI is slow

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