I've done some more debugging on this, it happens mostly on Alt+f2 or
shell restart, and seems to be due to dash-to-dock
giu 21 19:44:08 tricky org.gnome.Shell.desktop[32227]: == Stack trace for
context 0x55c4534674c0 ==
giu 21 19:44:08 tricky org.gnome.Shell.desktop[32227]: #0 0x55c4537ed038 i
/usr/share/gnome-shell/extensions/ubuntu-d...@ubuntu.com/theming.js:479
(0x7f71e459b560 @ 210)
giu 21 19:44:08 tricky org.gnome.Shell.desktop[32227]: #1 0x7ffc64834670 I
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f72382b5de0 @ 71)
giu 21 19:44:08 tricky org.gnome.Shell.desktop[32227]: #2 0x55c4537ecfa0 i
/usr/share/gnome-shell/extensions/ubuntu-d...@ubuntu.com/theming.js:451
(0x7f71e459b4d8 @ 23)
giu 21 19:44:08 tricky org.gnome.Shell.desktop[32227]: #3 0x7ffc64835250 I
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f72382b5de0 @ 71)
giu 21 19:44:08 tricky org.gnome.Shell.desktop[32227]: #4 0x55c4537ecf18 i
/usr/share/gnome-shell/extensions/ubuntu-d...@ubuntu.com/theming.js:447
(0x7f71e459b3c8 @ 117)
giu 21 19:44:08 tricky org.gnome.Shell.desktop[32227]: #5 0x7ffc64835e40 I
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f72382b5de0 @ 71)
giu 21 19:44:08 tricky org.gnome.Shell.desktop[32227]: #6 0x7ffc64835f10 b
self-hosted:918 (0x7f72382f12b8 @ 394)
giu 21 19:44:08 tricky org.gnome.Shell.desktop[32227]: #7 0x55c4537ecea0 i
resource:///org/gnome/shell/ui/main.js:206 (0x7f72382da4d8 @ 12)
** Also affects: gnome-shell-extension-dashtodock (Ubuntu)
Importance: Undecided
Status: New
** Changed in: gnome-shell-extension-dashtodock (Ubuntu)
Status: New => Triaged
** Changed in: gnome-shell-extension-dashtodock (Ubuntu)
Importance: Undecided => High
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Desktop Bugs, which is subscribed to gnome-shell in Ubuntu.
https://bugs.launchpad.net/bugs/1832869
Title:
gnome-shell crashed with SIGSEGV in g_hash_table_iter_next →
meta_display_list_windows → meta_workspace_list_windows →
ffi_call_SYSV → ffi_call()
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