On Wed, 2022-01-05 at 01:19 -0800, Samuel Sieb wrote:
On 1/5/22 01:00, Jonathan Ryshpan wrote:
Wayland is very flaky, crashes of various kinds, sometimes killing
individual apps, sometimes an entire session.  I can't reproduce the
crashes reliably; they happen when they happen. The only thing that may
be relevant is that I am running Firefox with many (probably too many)
windows and tabs.

It's probably not Wayland.  When it happens, check the journal.  It's
likely the OOM killer.

Possible though not likely.  I just started firefox and ksysguardm still running X11 and gnome-terminal.  The situation is:
Memory 5.9 GiB / 15.5 GiB Swap 0 B / 32.0 GiB

Also looked for action from OOM (F35 was installed on 2022-01-02 about 19:30):
$ journalctl --since 2022-01-01 | grep -i 'killed process'
$

On the other hand:
$ journalctl --since yesterday | grep -i wayland
Jan 04 05:39:45 amito org_kde_powerdevil[79877]: The Wayland connection broke. Did the Wayland compositor die?
Jan 04 05:39:45 amito polkit-kde-authentication-agent-1[79876]: The Wayland connection broke. Did the Wayland compositor die?
Jan 04 05:39:45 amito kactivitymanagerd[79883]: The Wayland connection broke. Did the Wayland compositor die?
Jan 04 05:39:45 amito kded5[79965]: The Wayland connection broke. Did the Wayland compositor die?
Jan 04 05:39:45 amito kdeconnectd[79956]: The Wayland connection broke. Did the Wayland compositor die?
Jan 04 05:39:45 amito unknown[79959]: Lost connection to Wayland compositor.
Jan 04 05:39:45 amito xdg-desktop-portal-kde[80214]: The Wayland connection broke. Did the Wayland compositor die?
Jan 04 05:39:45 amito konsole[80928]: The Wayland connection broke. Did the Wayland compositor die?
Jan 04 05:39:45 amito unknown[87054]: Lost connection to Wayland compositor.
Jan 04 05:39:45 amito baloorunner[88772]: The Wayland connection broke. Did the Wayland compositor die?
Jan 04 05:39:45 amito kwalletd5[99930]: The Wayland connection broke. Did the Wayland compositor die?
Jan 04 05:39:45 amito akonadi_kalarm_resource[80438]: The Wayland connection broke. Did the Wayland compositor die?
Jan 04 05:39:45 amito akonadi_kalarm_resource[80427]: The Wayland connection broke. Did the Wayland compositor die?
Jan 04 05:39:45 amito akonadi_kalarm_resource[80439]: The Wayland connection broke. Did the Wayland compositor die?
Jan 04 05:39:45 amito akonadi_archivemail_agent[80419]: The Wayland connection broke. Did the Wayland compositor die?
Jan 04 05:39:45 amito kgpg[80023]: The Wayland connection broke. Did the Wayland compositor die?
...

-- 
Many Thanks - Jonathan Ryshpan <jonrysh@pacbell.net>

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