[dolphin] [Bug 471507] New: Kioslave5 100% CPU Usage and Hangs Up.

[John]

https://bugs.kde.org/show_bug.cgi?id=471507

            Bug ID: 471507
           Summary: Kioslave5 100% CPU Usage and Hangs Up.
    Classification: Applications
           Product: dolphin
           Version: 23.04.2
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: kdelovaa at mozej.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY
***
Upon opening '/home/Pictures/test' kioslave5 goes crazy and uses 100% CPU.
Doesn't want to stop. After a few minutes I gave up and closed Dolphin.
***


STEPS TO REPRODUCE
1. On a fresh (Fedora 38) install rsync photo files* to your
/home/Pictures/test (no thumbnails cache yet, kimageformats installed).
2. Press ctrl+E and go to Pictures/test where you had put the photo files

* just three rows of the following photo type files: jp2, png, tiff, webp,
avif, cr2, xmp, jpg, raf, 3fr, dng, mrw, nef, orf, srw, rw2, x3f, arw.

OBSERVED RESULT
3. Kioslave5 uses 100% CPU and doesn't want to give up. (I gave up after a few
min)

EXPECTED RESULT
Fix kioslave5 not to use 100% CPU.

SOFTWARE/OS VERSIONS
Operating System: Fedoara Linux 38
KDE Plasma Version: 5.27.5
KDE Frameworks Version: 5.107.0
Qt Version: 5.15.10
X11

ADDITIONAL INFORMATION
kimageformats installed (so are ffmpegthumbs for videos)
x11 (not wayland)
mesa-freeworld (uncastrated)
obviously intel-media vaapi

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