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Thread: after update plasmashell and many KDE apps black

  1. #1

    Default after update plasmashell and many KDE apps black

    After a normal zypper dup yesterday (zypper history at the end of post) I get only a blank plasmashell and krunner after login and some KDE apps (e.g. KMail, SystemSettings) only show a blank window. Other KDE apps like dolphin or Konsole and pure Qt apps are working fine though.
    In practice, it looks like that:

    As you can see plasmashell (including logout overlay and lockscreen) and krunner show no content, KMail and SystemSettings show a mostly black window. KMail also shows this issue when running standalone e.g. under IceWM

    plasmashell is started after login, but gets killed a restarted after a while (see plasmashell log at the end of post). The log is full of QPainter errors

    I'm running openSUSE tumbleweed on a ThinkPad X230 with Intel graphics and am still using the X11 session of KDE

    KMail log
    Code:
    $ kmail                                                                                                                                                                                                     147 ↵
    No protocol specified
    [0208/154329.368892:WARNING:stack_trace_posix.cc(648)] Failed to open file: /home/myuser/#269540592 (deleted)
      Error: No such file or directory
    No protocol specified
    No protocol specified
    1 : "Uncaught ReferenceError: qt is not defined"
    1 : "Uncaught ReferenceError: qt is not defined"
    plasmashell log: http://paste.opensuse.org/84851941


    zypp history: http://paste.opensuse.org/20594422

  2. #2
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    Default Re: after update plasmashell and many KDE apps black

    This is due to a bug in Mesa which has already been fixed, updated package has been pushed through the Update repo.
    But ...... you need to remove both /var/lib/sddm/.cache and your users' ~/.cache , since the broken packages have already writen a corrupted cache. After doing so, all should be back to normal.
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  3. #3

    Default Re: after update plasmashell and many KDE apps black

    Quote Originally Posted by Knurpht View Post
    This is due to a bug in Mesa which has already been fixed, updated package has been pushed through the Update repo.
    But ...... you need to remove both /var/lib/sddm/.cache and your users' ~/.cache , since the broken packages have already writen a corrupted cache. After doing so, all should be back to normal.
    I had this issue and this fix worked for me.

    Code:
    snapper rollback
    saved me.

  4. #4

    Default Re: after update plasmashell and many KDE apps black

    Nice, that fixed it.

    Quote Originally Posted by Knurpht View Post
    But ...... you need to remove both /var/lib/sddm/.cache and your users' ~/.cache , since the broken packages have already writen a corrupted cache.
    Is there a way to find out about additional steps todo like these? Gentoo for example has a news messaging system built in to their package manager for caseslike these.

  5. #5
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    Default Re: after update plasmashell and many KDE apps black

    Quote Originally Posted by spiollinux View Post
    Nice, that fixed it.



    Is there a way to find out about additional steps todo like these? Gentoo for example has a news messaging system built in to their package manager for caseslike these.
    This case is a very rare exception. IMNSHO it should never have been done like this, i.e. that manual user interference is needed. For emergency cases we have the Update repo, to push out security fixes and urgent bug fixes. Zypper does not have such a messaging system.
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  6. #6
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    Default Re: after update plasmashell and many KDE apps black

    Thanks. This just worked for me today.
    Pete

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