** Description changed: We crash while deferencing a MetaWindow during `meta_display_list_windows`, which is weird given the refcounting system. Now, a relevant JS stack trace: [294600.830572] gnome-shell[82209]: DING: GNOME nautilus 50.0 [294693.263525] gnome-shell[82209]: Shutting down GNOME Shell [294693.263743] gnome-shell[82209]: Object MetaCompositorNative (0x55c1d9d20700), has been already disposed — impossible to access it. This might be caused by the object having been destroyed from C code using something such as destroy(), dispose(), or remove() vfuncs. == Stack trace for context 0x55c1d98f5220 == #0 55c1d99ec308 i resource:///org/gnome/shell/ui/layout.js:239 (19057db31ce0 @ 107) [294693.265470] gnome-shell[82209]: GNOME Shell crashed with signal 11 [294693.265470] gnome-shell[82209]: == Stack trace for context 0x55c1d98f5220 == [294693.265470] gnome-shell[82209]: #0 55c1d99ec580 i file:///usr/share/gnome-shell/extensions/[email protected]/utils.js:547 (2461cf777b00 @ 10) [294693.265470] gnome-shell[82209]: #1 7ffe4c4e8240 I self-hosted:157 (cf6330b1e20 @ 246) [294693.265470] gnome-shell[82209]: #2 55c1d99ec4d8 i file:///usr/share/gnome-shell/extensions/[email protected]/utils.js:546 (2461cf777a60 @ 194) [294693.265470] gnome-shell[82209]: #3 55c1d99ec428 i file:///usr/share/gnome-shell/extensions/[email protected]/fileManager1API.js:113 (2461cf7a0e20 @ 79) [294693.265470] gnome-shell[82209]: #4 55c1d99ec3a8 i file:///usr/share/gnome-shell/extensions/[email protected]/fileManager1API.js:126 (2461cf7a0f10 @ 12) [294693.265470] gnome-shell[82209]: #5 55c1d99ec308 i resource:///org/gnome/shell/ui/main.js:292 (cf6330fb7e0 @ 119) [294693.263843] gnome-shell[82209]: JS ERROR: Error: Argument child may not be null _init/<@resource:///org/gnome/shell/ui/layout.js:243:30 Which implies the fact that after shutdown we may try to play with things that we should definitely not as the extension does not get fully disabled. --- The Ubuntu Error Tracker has been receiving reports about a problem regarding gnome-shell. This problem was most recently seen with package version 50.1-0ubuntu1, the problem page at https://errors.ubuntu.com/problem/58f1c820797aaefa13a884c98adb389f5422d0b1 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports. If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/. + + --- + External link: https://warthogs.atlassian.net/browse/UDENG-11105
** Tags added: udeng-11105 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2150670 Title: gnome-shell crashed (on shutdown?) with SIGSEGV in ffi_call() → meta_workspace_list_windows() → meta_display_list_windows() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2150670/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
