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Thread: KDE taskbar and desktop icons corrupted at random times

  1. #1

    Default KDE taskbar and desktop icons corrupted at random times

    Hello,
    For some reason KDE taslbar and desktop icons get visually corrupted. I haven't been able to reproduce systematically, it appears at random, sometimes when moving apps or alt-tabbing.

    An example here: https://i.imgur.com/cHnvxwY.png

    How can I stop this from happening ?

    I use an Intel HD Graphics 5500. I have Bumblebee installed but it doesn't seem to work so I kinda gave up on it, I just at least want the Intel to work fine. I'm OK to remove it if necessary but I don't see how/why it would break the Intel driver. And if it does, then it's also an issue.

    Thanks for any help / pointers

    Alban

  2. #2
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    Default Re: KDE taskbar and desktop icons corrupted at random times

    What do you get from installing inxi and doing
    Code:
    inxi -Gxx
    in Konsole? If the first thing shown after "1.18.6 driver:" is intel, then you could try uninstalling xf86-video-intel so that the modesetting driver is used instead. Without Bumblebee installed anywhere here I don't know what to expect inxi to be reporting, or whether xf86-video-intel is installed or not matters. I have my doubts that the icon corruption has anything to do with which Xorg driver is in use, but there may be an xorg.conf setting for Mesa or OpenGL that could be configured that would have an effect.
    Reg. Linux User #211409 *** multibooting since 1992
    Primary: 42.3,TW,15.0 & 13.1 on Haswell w/ RAID
    Secondary: eComStation (OS/2)&42.3 on 965P/Radeon
    Tertiary: TW,15.0,42.3,Fedora,Debian,more on Kaby Lake,Q45,Q43,G41,G3X,965G,Cedar,Caicos,Oland,GT218&&&

  3. #3

    Default Re: KDE taskbar and desktop icons corrupted at random times

    Hi, and thanks for answering!

    Here's the result:
    Code:
    linux-jz3x:/home/alban # inxi -Gxx
    Graphics:  Card-1: Intel HD Graphics 5500 driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:1616 
               Card-2: NVIDIA GM108M [GeForce 830M] driver: N/A bus ID: 03:00.0 chip ID: 10de:1340 
               Display: x11 server: X.Org 1.19.6 driver: intel unloaded: fbdev,modesetting,vesa 
               compositor: kwin x11 resolution: 1920x1080~60Hz 
               OpenGL: renderer: Mesa DRI Intel HD Graphics 5500 (Broadwell GT2) v: 4.5 Mesa 18.0.2 compat-v: 3.0 
               direct render: Yes
    I don't know if you did a typo with 1.18.6, but mine seems to be 1.19.6. Was there an issue specific to 1.18.6 ?

  4. #4
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    Default Re: KDE taskbar and desktop icons corrupted at random times

    1.18.6 was typo, should have been 1.19.6
    Reg. Linux User #211409 *** multibooting since 1992
    Primary: 42.3,TW,15.0 & 13.1 on Haswell w/ RAID
    Secondary: eComStation (OS/2)&42.3 on 965P/Radeon
    Tertiary: TW,15.0,42.3,Fedora,Debian,more on Kaby Lake,Q45,Q43,G41,G3X,965G,Cedar,Caicos,Oland,GT218&&&

  5. #5

    Default Re: KDE taskbar and desktop icons corrupted at random times

    From a short check it seems better indeed after removing the Intel driver. At least multi-screen does work now.
    Is there a loss of performance to use the modesetting driver ? Can I retry installing Bumblebee ?

    Thanks!

  6. #6
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    Default Re: KDE taskbar and desktop icons corrupted at random times

    Sometimes it's better sometimes not. Last official Intel driver release was > 3 years ago. Typically any difference is imperceptible. Trying Bumblebee is up to you. If it doesn't help you can remove it.
    Reg. Linux User #211409 *** multibooting since 1992
    Primary: 42.3,TW,15.0 & 13.1 on Haswell w/ RAID
    Secondary: eComStation (OS/2)&42.3 on 965P/Radeon
    Tertiary: TW,15.0,42.3,Fedora,Debian,more on Kaby Lake,Q45,Q43,G41,G3X,965G,Cedar,Caicos,Oland,GT218&&&

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