I removed all but Desktop Icons, Ubuntu AppIndicators and Ubuntu Dock,
rebooted and then reproduced the issue. Luckily I've found one way to
reproduce this, albeit somewhat convoluted and still a bit unreliable,
involving Synaptic and window tiling. And as it doesn't seem to trigger
the issue when using another account, I'm now working through settings
differences between the two in hopes of finding something crucial.
While doing so, I did discover that dconf-editor is similarly affected:
touko 12 16:09:32 saegusa gnome-shell[8208]: WL: compositor bug: The
compositor tried to use an object from one client in a 'wl_pointer.enter' for a
different client.
touko 12 16:09:32 saegusa gnome-shell[8208]: WL: error in client
communication (pid 12364)
touko 12 16:09:32 saegusa dconf-editor[12364]: Error reading events from
display: Katkennut putki
touko 12 16:09:32 saegusa boinc[2098]: No protocol specified
touko 12 16:09:32 saegusa boinc[2098]: No protocol specified
touko 12 16:09:33 saegusa boinc[2098]: No protocol specified
touko 12 16:09:33 saegusa boinc[2098]: No protocol specified
touko 12 16:09:34 saegusa gnome-shell[8208]: WL: compositor bug: The
compositor tried to use an object from one client in a 'wl_pointer.enter' for a
different client.
touko 12 16:09:34 saegusa boinc[2098]: No protocol specified
touko 12 16:09:34 saegusa boinc[2098]: No protocol specified
touko 12 16:09:34 saegusa gnome-shell[8208]: WL: error in client
communication (pid 12796)
touko 12 16:09:34 saegusa gnome-terminal-[12796]: Error reading events from
display: Katkennut putki
touko 12 16:09:34 saegusa systemd[3569]: gnome-terminal-server.service:
Main process exited, code=exited, status=1/FAILURE
touko 12 16:09:34 saegusa systemd[3569]: gnome-terminal-server.service:
Failed with result 'exit-code'.
touko 12 16:09:34 saegusa systemd[3569]:
vte-spawn-da1941e8-60e5-48e5-868b-7348dd1158c7.scope: Succeeded.
touko 12 16:09:34 saegusa gnome-shell[8208]: Error adding children to
desktop: this.layout.get_child_at(...) is null
touko 12 16:09:34 saegusa gnome-shell[8208]: Error adding children to
desktop: this.layout.get_child_at(...) is null
touko 12 16:09:34 saegusa gnome-shell[8208]: Error adding children to
desktop: this.layout.get_child_at(...) is null
touko 12 16:09:34 saegusa gnome-shell[8208]: Error adding children to
desktop: this.layout.get_child_at(...) is null
Looks like dconf-editor did not exit with FAILURE, but the dconf-editor
window did disappear just as Gnome terminal's did.
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https://bugs.launchpad.net/bugs/1877568
Title:
WL: compositor bug: The compositor tried to use an object from one
client in a 'wl_pointer.enter' for a different client (resulting in
Gnome terminal crashing)
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