Hi,

On Fri, 22 Aug 2025 07:01:01 +0000 Josep 
Guerrero<[email protected]> wrote:


$ okular
qt.multimedia.ffmpeg: Using Qt multimedia with FFmpeg version 7.1.1 nonfree and 
unredistributable
qt.multimedia.ffmpeg: Available HW decoding frameworks:
KCrash: Application 'okular' crashing... crashRecursionCounter = 2
Segmentation fault (core dumped)
$



on my trixie laptop, opening Okular's settings results in

$ okular
No text-to-speech plug-ins were found.

I'm guessing you could have one text-to-speech engine [1] installed on the 
system where Okular crashes.
Maybe the Settings module [2] tries to poll the TTS engine and isn't able to 
manage the answer it gets.
( I also have ffmpeg on my laptop, but no TTS engine, then likely ffmpeg 
appears in your log because
something else is invoking it)
Do you have any chance to check this out, e.g. temporarily remove the TTS 
engine, if installed?

Kind regards
Marco

[1]https://doc.qt.io/qt-6/qttexttospeech-engines.html
[2]https://invent.kde.org/graphics/okular/-/blob/master/part/dlgaccessibility.cpp

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