Mutter now terminates properly, but GNOME Shell sometimes doesn't handle that well enough. See https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1759 for details.
*** Bug 1943750 has been marked as a duplicate of this bug. ***
*** Bug 1944149 has been marked as a duplicate of this bug. ***
*** Bug 1944663 has been marked as a duplicate of this bug. ***
Similar problem has been detected: At the time I was setting up external display or trying to enable a GNome Shell extension - logged in and out a lot so not sure which action triggered the crash. reporter: libreport-2.14.0 backtrace_rating: 4 cgroup: 0::/user.slice/user-1000.slice/user/session.slice/org.gnome.Shell cmdline: /usr/bin/gnome-shell crash_function: _XSend executable: /usr/bin/gnome-shell journald_cursor: s=df714d57fe024f5b9732d94890b816f3;i=41f3;b=f69adcd27f4947fba079b929c78ba864;m=1c7d9074;t=5c094eeb7a4e3;x=57ff28f7c1ff42dc kernel: 5.11.12-300.fc34.x86_64 package: gnome-shell-40.0-3.fc34 reason: gnome-shell killed by SIGSEGV rootdir: / runlevel: N 5 type: CCpp uid: 1000
Created attachment 1774614 [details] File: backtrace
"Sometimes", they say :-). I haven't used F34 long, but I'd at least say logout crashes are being very easy to reproduce. I think your specific backtrace (xcb_io.c:539 in _XSend() from libX11) is duplicated here: https://bugzilla.redhat.com/show_bug.cgi?id=1947045 "[abrt] gnome-shell: _XSend(): gnome-shell killed by SIGSEGV" I reported my most recent one here: https://bugzilla.redhat.com/show_bug.cgi?id=1960884 "gnome-shell killed by SIGSEGV on logout. "Crash in anonymous function" - wild jump to 0x0000001000000001 from g_hash_table_lookup_node()" There's another segfault on logout reported on gnome-shell-40.0-6.fc34. I have a couple instances of it collected in ABRT: https://bugzilla.redhat.com/show_bug.cgi?id=1941283 "[abrt] gnome-shell: st_focus_manager_remove_group(): gnome-shell killed by SIGSEGV"
yup, gnome crashes on each(!) logout (different user logout and all extensions are off)
Tested in F35 for reference - still present: mutter-41.0-3.fc35.x86_64, gnome-shell-41.0-3.fc35.x86_64
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