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Thread: Plasmashell very occasionally becomes unresponsive after closing a window.

  1. #1
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    Default Plasmashell very occasionally becomes unresponsive after closing a window.

    Very occasionally plasmashell becomes unresponsive immediately after closing a window.

    Looking for any pointers as to how I can debug this.

    I started seeing this after the update to plasma 5.4.0

    I've only seen this happen 5-6 times. On each occasion it was after closing a maximised non-KDE application window. (Firefox and libreoffice Writer, although that may just have been coincidence). I'm unable to 'make it happen', it appears very random.

    Running top from a VT the system appears to be idle.

    When it happens I have the following errors being continually logged: ...

    Code:
    2015-09-26T12:03:10.533556+01:00 Orion-Tumble kernel: [ 1454.537998] nouveau E[plasmashell[1376]] fail set_domain
    2015-09-26T12:03:10.533600+01:00 Orion-Tumble kernel: [ 1454.538040] nouveau E[plasmashell[1376]] validating bo list
    2015-09-26T12:03:10.533605+01:00 Orion-Tumble kernel: [ 1454.538053] nouveau E[plasmashell[1376]] validate: -22
    2015-09-26T12:03:10.570496+01:00 Orion-Tumble kernel: [ 1454.575164] nouveau E[plasmashell[1376]] fail set_domain
    2015-09-26T12:03:10.570517+01:00 Orion-Tumble kernel: [ 1454.575171] nouveau E[plasmashell[1376]] validating bo list
    2015-09-26T12:03:10.570520+01:00 Orion-Tumble kernel: [ 1454.575178] nouveau E[plasmashell[1376]] validate: -22
    2015-09-26T12:04:59.923482+01:00 Orion-Tumble kernel: [ 1563.928953] nouveau E[plasmashell[1376]] fail set_domain
    2015-09-26T12:04:59.923505+01:00 Orion-Tumble kernel: [ 1563.928959] nouveau E[plasmashell[1376]] validating bo list
    2015-09-26T12:04:59.923507+01:00 Orion-Tumble kernel: [ 1563.928963] nouveau E[plasmashell[1376]] validate: -22
    2015-09-26T12:06:06.329489+01:00 Orion-Tumble kernel: [ 1630.334818] nouveau E[plasmashell[1376]] fail set_domain
    2015-09-26T12:06:06.329512+01:00 Orion-Tumble kernel: [ 1630.334825] nouveau E[plasmashell[1376]] validating bo list
    2015-09-26T12:06:06.329515+01:00 Orion-Tumble kernel: [ 1630.334838] nouveau E[plasmashell[1376]] validate: -22
    2015-09-26T12:06:06.356490+01:00 Orion-Tumble kernel: [ 1630.361839] nouveau E[plasmashell[1376]] fail set_domain
    2015-09-26T12:06:06.356509+01:00 Orion-Tumble kernel: [ 1630.361845] nouveau E[plasmashell[1376]] validating bo list
    2015-09-26T12:06:06.356512+01:00 Orion-Tumble kernel: [ 1630.361852] nouveau E[plasmashell[1376]] validate: -22
    ... until I kill plasmashell.


    Googling around those error messages found these:

    https://bugs.freedesktop.org/show_bug.cgi?id=91125
    https://bugs.freedesktop.org/show_bu...tiple&id=91598

    which seem to suggest that it's an upstream nouveau/kernel issue (although I don't have the 'read fault at' error and there is no screen corruption), so I guess there's little I can do anyway.
    Regards, Paul

    2x Tumbleweed (Snapshot: 20191012) KDE Plasma 5
    2x Leap 15.1 KDE Plasma 5

  2. #2

    Default Re: Plasmashell very occasionally becomes unresponsive after closing a window.

    Maybe related to https://forum.kde.org/viewtopic.php?f=111&t=128433 ?

    Try disabling the "Transparency" effect.

  3. #3
    Join Date
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    Default Re: Plasmashell very occasionally becomes unresponsive after closing a window.

    Quote Originally Posted by wolfi323 View Post
    Don't think so in this case, it seems quite different... but...

    Try disabling the "Transparency" effect.
    I take it you're meaning the "Translucency" effect ('Make windows translucent under different conditions'). Nothing to lose, so I'll disable it for a while and see how it goes.
    Regards, Paul

    2x Tumbleweed (Snapshot: 20191012) KDE Plasma 5
    2x Leap 15.1 KDE Plasma 5

  4. #4

    Default Re: Plasmashell very occasionally becomes unresponsive after closing a window.

    Quote Originally Posted by tannington View Post
    Don't think so in this case, it seems quite different... but...
    Well, it seems to be about a screen refresh problem that causes closed windows to stay on the screen.
    An "unresponsive Plasma" could be the cause of screen refresh/redraw problems as well I suppose.
    And as it seems to happen when you close a window...

    I take it you're meaning the "Translucency" effect ('Make windows translucent under different conditions').
    I just took that from the other thread, where it said "Transparency"...
    But yes, it's probably the "Translucency" effect.

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