https://bugs.kde.org/show_bug.cgi?id=491130

            Bug ID: 491130
           Summary: Session management loses state between sessions
    Classification: Plasma
           Product: plasmashell
           Version: 5.27.11
          Platform: openSUSE
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: Session Management
          Assignee: plasma-b...@kde.org
          Reporter: flossy-...@online.de
                CC: natalie_clar...@yahoo.de
  Target Milestone: 1.0

SUMMARY
After logout or shutdown, when logging in again, session is occasionally not
restored correctly.
When multiple windows of an application were open, sometimes they are not
restarted.
(This never happened with Plasma 5.27.9 over a period of more than 20 months,
but happens roughly in 1 out of 5 re-logins with Plasma 5.27.11 – so the bug
was introduced between)

STEPS TO REPRODUCE
Plasma is configured to restore the session from the last logout.

So far no reproducible trigger could be identified – it seems to happen
randomly on several different systems (with the same SW versions).

OBSERVED RESULT
After logout sometimes multiple windows of several programs – observed with
Dolphin, Konsole (and some tabs of Firefox, but that might be an uncorrelated
issue) – are not restored. Instead either no window or a single window of the
program is opened (at the default location – i.e. user home)

Funnily: If then you logout immediately and then re-login, often the windows
are restored correctly as you left them with the session second to last … (nice
bug – bug, because it should have restored the incomplete state of the previous
session – but recovers the state of the penultimate (which the previous session
should have had recovered) …

EXPECTED RESULT
KDE/Plasma correctly and reliable recovers the window states of the previous
session.
(as can and is expected from X11 window managers since the days of "olvwm" – 35
years ago …)

SOFTWARE/OS VERSIONS
Operating System: openSUSE Leap 15.6
KDE Plasma Version: 5.27.11
KDE Frameworks Version: 5.115.0
Qt Version: 5.15.12
Kernel Version: 6.4.0-150600.23.14-default (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i5-10210U CPU @ 1.60GHz
Memory: 7.6 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics

ADDITIONAL INFORMATION
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