[kde] [Bug 460820] New: Desktop freezes since upgrade to KDE 5.26 on Neon possibly caused by xdg-desktop-portal-kde crashing

[Sebastian]

https://bugs.kde.org/show_bug.cgi?id=460820

            Bug ID: 460820
           Summary: Desktop freezes since upgrade to KDE 5.26 on Neon
                    possibly caused by xdg-desktop-portal-kde crashing
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Neon
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: bugreports.nmhj2 at aleeas.com
  Target Milestone: ---

SUMMARY
Desktop sometimes freezes since upgrade to KDE 5.26 on Neon (Wayland)

STEPS TO REPRODUCE
Not sure. Seems to happen when I'm away for longer from notebook and display
turned off (notebook stays on). After logging back in desktop is frozen, have
to reboot.

OBSERVED RESULT
Desktop frozen.

EXPECTED RESULT
Desktop works normal.

SOFTWARE/OS VERSIONS
Operating System: KDE neon 5.26
KDE Plasma Version: 5.26.0
KDE Frameworks Version: 5.99.0
Qt Version: 5.15.6
Kernel Version: 5.15.0-52-generic (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i7-7820HQ CPU @ 2.90GHz
Memory: 62.6 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics 630
Manufacturer: HP
Product Name: HP ZBook 15 G4

ADDITIONAL INFORMATION
Backtrace of what I suspect is the cause:

           PID: 2655 (xdg-desktop-por)
           UID: 118 (sddm)
           GID: 125 (sddm)
        Signal: 6 (ABRT)
     Timestamp: Fri 2022-10-21 20:00:03 CEST (22min ago)
  Command Line: /usr/lib/x86_64-linux-gnu/libexec/xdg-desktop-portal-kde
    Executable: /usr/lib/x86_64-linux-gnu/libexec/xdg-desktop-portal-kde
 Control Group:
/user.slice/user-118.slice/user at 118.service/session.slice/plasma-xdg-desktop-portal-kde.service
          Unit: user at 118.service
     User Unit: plasma-xdg-desktop-portal-kde.service
         Slice: user-118.slice
     Owner UID: 118 (sddm)
       Boot ID: a1b9e0ad37ed4583a381bec2fcc49c02
    Machine ID: be93237f58a7432c8924ca44369ab72b
      Hostname: sebzbook
       Storage:
/var/lib/systemd/coredump/core.xdg-desktop-por.118.a1b9e0ad37ed4583a381bec2fcc49c02.2655.1666375203000000000000.lz4
(inaccessible)
       Message: Process 2655 (xdg-desktop-por) of user 118 dumped core.

                Stack trace of thread 2655:
                #0  0x00007f90e773500b __GI_raise (libc.so.6 + 0x4300b)
                #1  0x00007f90e7714859 __GI_abort (libc.so.6 + 0x22859)
                #2  0x00007f90e7b58bd9 _ZNK14QMessageLogger5fatalEPKcz
(libQt5Core.so.5 + 0x92bd9)
                #3  0x00007f90e8b1ad9b
_ZN22QGuiApplicationPrivate25createPlatformIntegrationEv (libQt5Gui.so.5 +
0x139d9b)
                #4  0x00007f90e8b1b218
_ZN22QGuiApplicationPrivate21createEventDispatcherEv (libQt5Gui.so.5 +
0x13a218)
                #5  0x00007f90e7d81b06 _ZN23QCoreApplicationPrivate4initEv
(libQt5Core.so.5 + 0x2bbb06)
                #6  0x00007f90e8b1e333 _ZN22QGuiApplicationPrivate4initEv
(libQt5Gui.so.5 + 0x13d333)
                #7  0x00007f90e97a21bd _ZN19QApplicationPrivate4initEv
(libQt5Widgets.so.5 + 0x1741bd)
                #8  0x000055db9a5dcf55 n/a (xdg-desktop-portal-kde + 0x26f55)
                #9  0x00007f90e7716083 __libc_start_main (libc.so.6 + 0x24083)
                #10 0x000055db9a5dd29e n/a (xdg-desktop-portal-kde + 0x2729e)

                Stack trace of thread 2656:
                #0  0x00007f90e780499f __GI___poll (libc.so.6 + 0x11299f)
                #1  0x00007f90e5eda36e n/a (libglib-2.0.so.0 + 0x5236e)
                #2  0x00007f90e5eda4a3 g_main_context_iteration
(libglib-2.0.so.0 + 0x524a3)
                #3  0x00007f90e7dd5b82
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x30fb82)
                #4  0x00007f90e7d79b3b
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2b3b3b)
                #5  0x00007f90e7b93342 _ZN7QThread4execEv (libQt5Core.so.5 +
0xcd342)
                #6  0x00007f90e8037f4b n/a (libQt5DBus.so.5 + 0x18f4b)
                #7  0x00007f90e7b94543 n/a (libQt5Core.so.5 + 0xce543)
                #8  0x00007f90e74f2609 start_thread (libpthread.so.0 + 0x8609)
                #9  0x00007f90e7811133 __clone (libc.so.6 + 0x11f133)

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