KDE/Plasma + sddm: graphical login pauses a while, then restarts.

[Michael Schuster]

On Wed, Jul 14, 2021 at 8:10 PM Michael Schuster <michaelsprivate at gmail.com>
wrote:

>
>
> On Tue, Jul 13, 2021 at 6:47 PM Michael Schuster <
> michaelsprivate at gmail.com> wrote:
>
>> Hi Graham,
>>
>> thx for your response:
>>
>> On Tue, Jul 13, 2021 at 6:26 PM Graham Perrin <grahamperrin at gmail.com>
>> wrote:
>>
>>> On 13/07/2021 06:40, Michael Schuster wrote:
>>>
>>> > login screen reappears.
>>>
>>>
>>> This happens if you choose 'Plasma (Wayland)'.
>>>
>>
>> not so, I'm afraid - I've been using X11 all along (I *may* have
>> inadvertently started Wayland once or twice a while ago before I noticed
>> the choice)
>> I know I saw /usr/local/bin/startplasma-x11 in the process list when I
>> tried this just now - is is possible that something got screwed up and is
>> trying to start something Waylandish? Where would I check?
>>
>
> I did some research, perhaps this will help someone point me in the right
> direction:
>
> ~/.local/share/sddm/xorg-session.log from the failing session proceeds
> until I see this:
> === begin quote ==
> [...]
> kscreen.xrandr: Output 86 : connected = true , enabled = true
> kscreen.xrandr: Emitting configChanged()
> org.kde.kmix: Mixer id was empty when creating DBUS path. Emergency code
> created the id= "OSS:::1"
> [ four more ]
> org.kde.kmix: Mixer id was empty when creating DBUS path. Emergency code
> created the id= "OSS:::1"
>
> ... when output (tail -f) pauses for a while (a minute?), then carries on
> here:
>
> kdeinit5: Got EXEC_NEW '/usr/local/lib/qt5/plugins/kf5/kio/file.so' from
> launcher.
> kdeinit5: preparing to launch '/usr/local/lib/qt5/plugins/kf5/kio/file.so'
> kdeinit5: Got EXEC_NEW '/usr/local/lib/qt5/plugins/kf5/kio/file.so' from
> launcher.
> kdeinit5: preparing to launch '/usr/local/lib/qt5/plugins/kf5/kio/file.so'
>
> .. then again a pause, then this:
>
> QProcess: Destroyed while process ("/usr/local/bin/plasma_session") is
> still running.
> QProcess: Destroyed while process ("ksplashqml") is still running.
> === end quote ==
>
> as previously, TIA for any pointers leading to a solution.
>

another data point: I can use Mate alright (am doing writing this) - would
that indicate that sddm itself is OK, and I need to investigate plasma/kde,
not sddm?

cheers & thx
Michael
-- 
Michael Schuster
http://recursiveramblings.wordpress.com/
recursion, n: see 'recursion'