For the moment we can distro patch my workaround to avoid crashing. I'm already working to understand the true problem and propose the proper fix. For the moment it's better to avoid the crash.
** Patch added: "ubuntu_avoid_crash_if_nan.patch" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1714542/+attachment/4965738/+files/ubuntu_avoid_crash_if_nan.patch -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1714542 Title: gnome-shell crashed with SIGSEGV in st_theme_node_reduce_border_radius() from st_theme_node_paint_borders() from st_theme_node_paint() Status in GNOME Shell: Confirmed Status in gnome-shell package in Ubuntu: In Progress Bug description: https://errors.ubuntu.com/problem/23d376488259ea5f9fa6fb9843956cb6464f56e8 --- As of an upgrade to 3.25.91 (last session that did not exhibit this behavior was a 3.24.x session), I've experienced several crashes of the shell in the overview. journalctl shows the following output at the time of the crash: Sep 01 08:14:41 spiny org.gnome.Shell.desktop[8792]: Window manager warning: Overwriting existing binding of keysym ffb5 with keysym ffb5 (keycode 54). Sep 01 08:14:41 spiny gnome-shell[8506]: meta_renderer_native_release_onscreen: assertion 'onscreen_native->gbm.next_fb_id == 0' failed Sep 01 08:14:41 spiny gnome-shell[8506]: _cogl_onscreen_free: assertion 'onscreen->winsys == ((void *)0)' failed Sep 01 08:14:41 spiny kernel: gnome-shell[8506]: segfault at 1a0 ip 00007fc6008dd296 sp 00007fff2df360f0 error 4 in libmutter-1.so.0.0.0[7fc6007f9000+13e000] Sep 01 08:14:41 spiny org.gnome.Shell.desktop[8506]: (EE) Sep 01 08:14:41 spiny org.gnome.Shell.desktop[8506]: Fatal server error: Sep 01 08:14:41 spiny org.gnome.Shell.desktop[8506]: (EE) failed to read Wayland events: Connection reset by peer Sep 01 08:14:41 spiny org.gnome.Shell.desktop[8506]: (EE) Sep 01 08:14:41 spiny gnome-session[8488]: gnome-session-binary[8488]: WARNING: Application 'org.gnome.Shell.desktop' killed by signal 11 Sep 01 08:14:41 spiny gnome-session-binary[8488]: Unrecoverable failure in required component org.gnome.Shell.desktop Sep 01 08:14:41 spiny gnome-session-binary[8488]: WARNING: Application 'org.gnome.Shell.desktop' killed by signal 11 Sep 01 08:14:41 spiny polkitd(authority=local)[1424]: Unregistered Authentication Agent for unix-session:c3 (system bus name :1.868, object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) (disco Sep 01 08:14:41 spiny gsd-media-keys[8610]: gsd-media-keys: Fatal IO error 11 (Resource temporarily unavailable) on X server :1024. Sep 01 08:14:41 spiny gsd-keyboard[8607]: gsd-keyboard: Fatal IO error 11 (Resource temporarily unavailable) on X server :1024. Sep 01 08:14:41 spiny gsd-clipboard[8596]: gsd-clipboard: Fatal IO error 11 (Resource temporarily unavailable) on X server :1024. Sep 01 08:14:41 spiny gsd-power[8613]: gsd-power: Fatal IO error 11 (Resource temporarily unavailable) on X server :1024. Sep 01 08:14:41 spiny gsd-color[8599]: gsd-color: Fatal IO error 11 (Resource temporarily unavailable) on X server :1024. Sep 01 08:14:41 spiny org.a11y.atspi.Registry[8529]: XIO: fatal IO error 11 (Resource temporarily unavailable) on X server ":1024" Sep 01 08:14:41 spiny org.a11y.atspi.Registry[8529]: after 21 requests (21 known processed) with 0 events remaining. Sep 01 08:14:41 spiny gdm-launch-environment][8400]: pam_unix(gdm-launch-environment:session): session closed for user gdm Sep 01 08:14:41 spiny systemd-logind[1376]: Removed session c3. Sep 01 08:14:41 spiny systemd[1]: Stopping User Manager for UID 121... Sep 01 08:14:41 spiny systemd[8432]: Stopping Accessibility services bus... Sep 01 08:14:41 spiny systemd[8432]: Stopping Sound Service... Sep 01 08:14:41 spiny systemd[8432]: Stopped target Default. Sep 01 08:14:41 spiny systemd[8432]: Stopping D-Bus User Message Bus... Sep 01 08:14:41 spiny systemd[8432]: Stopping sandboxed app permission store... Sep 01 08:14:41 spiny systemd[8432]: Stopped sandboxed app permission store. Sep 01 08:14:41 spiny systemd[8432]: Stopped D-Bus User Message Bus. Sep 01 08:14:41 spiny systemd[8432]: Stopped Accessibility services bus. Sep 01 08:14:41 spiny systemd[8432]: Stopped Sound Service. Sep 01 08:14:41 spiny systemd[8432]: Stopped target Basic System. Sep 01 08:14:41 spiny systemd[8432]: Stopped target Paths. Sep 01 08:14:41 spiny systemd[8432]: Stopped target Timers. Sep 01 08:14:41 spiny systemd[8432]: Stopped target Sockets. Sep 01 08:14:41 spiny systemd[8432]: Closed D-Bus User Message Bus Socket. Sep 01 08:14:41 spiny systemd[8432]: Closed Sound System. Sep 01 08:14:41 spiny systemd[8432]: Reached target Shutdown. Sep 01 08:14:41 spiny systemd[8432]: Starting Exit the Session... Sep 01 08:14:41 spiny systemd[8432]: Received SIGRTMIN+24 from PID 8854 (kill). Sep 01 08:14:41 spiny systemd[1]: Stopped User Manager for UID 121. Sep 01 08:14:41 spiny systemd[1]: Removed slice User Slice of gdm. ProblemType: Crash DistroRelease: Ubuntu 17.10 Package: gnome-shell 3.25.91-0ubuntu1 ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8 Uname: Linux 4.12.0-12-generic x86_64 ApportVersion: 2.20.7-0ubuntu1 Architecture: amd64 CurrentDesktop: GNOME Date: Fri Sep 1 08:13:58 2017 DisplayManager: gdm3 EcryptfsInUse: Yes ExecutablePath: /usr/bin/gnome-shell InstallationDate: Installed on 2015-08-21 (742 days ago) InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Alpha amd64 (20150819) ProcCmdline: /usr/bin/gnome-shell ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SegvAnalysis: Segfault happened at: 0x7f36d97a3a80: mov 0x80(%rdi),%eax PC (0x7f36d97a3a80) ok source "0x80(%rdi)" (0x00000080) not located in a known VMA region (needed readable region)! destination "%eax" ok SegvReason: reading NULL VMA Signal: 11 SourcePackage: gnome-shell StacktraceTop: () at /usr/lib/gnome-shell/libst-1.0.so () at /usr/lib/gnome-shell/libst-1.0.so st_theme_node_paint () at /usr/lib/gnome-shell/libst-1.0.so st_widget_paint_background () at /usr/lib/gnome-shell/libst-1.0.so () at /usr/lib/gnome-shell/libst-1.0.so Title: gnome-shell crashed with SIGSEGV UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip docker input lpadmin lxd plugdev sambashare sudo systemd-journal wireshark To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1714542/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
