Some gdb debugging is #1 0x00007f3abc9a1bc8 in st_label_set_text (label=0x555b3f768d10, text=0x555b5369d360 "...") at ../../gnome-shell/src/st/st-label.c:331 331 ctext = CLUTTER_TEXT (priv->label); (gdb) list 326 327 g_return_if_fail (ST_IS_LABEL (label)); 328 g_return_if_fail (text != NULL); 329 330 priv = label->priv; 331 ctext = CLUTTER_TEXT (priv->label); 332 333 if (clutter_text_get_editable (ctext) || 334 g_strcmp0 (clutter_text_get_text (ctext), text) != 0) 335 { (gdb) print label $1 = (StLabel *) 0x555b3f768d10 (gdb) print *label $2 = {parent_instance = {parent_instance = {parent_instance = {g_type_instance = {g_class = 0x555b3e5ea510}, ref_count = 1, qdata = 0x555b3f759800}, flags = 0, private_flags = 0, priv = 0x555b3f7689f0}}, priv = 0x555b3f7688b0} (gdb) print *label->priv $3 = {label = 0x555b3f712210, text_shadow_pipeline = 0x0, shadow_width = -1, shadow_height = -1} (gdb) print *label->priv->labe There is no member named labe. (gdb) print *label->priv->label $4 = {parent_instance = {g_type_instance = {g_class = 0x7f3abdf80be0 <wrapped_gobj_dispose_notify(gpointer, GObject*)>}, ref_count = 1102656128, qdata = 0x30}, flags = 113, private_flags = 0, priv = 0x68733b6572616873}
-- 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/1759621 Title: gnome-shell crashed with SIGSEGV in g_type_check_instance_cast() from st_label_set_text() from ffi_call_unix64() Status in gnome-shell package in Ubuntu: Confirmed Bug description: https://errors.ubuntu.com/problem/811164cadd3e9e891f9e2d439bda59925f91a62c --- trying to get vpn up and running ProblemType: Crash DistroRelease: Ubuntu 18.04 Package: gnome-shell 3.28.0-0ubuntu1 ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10 Uname: Linux 4.15.0-13-generic x86_64 ApportVersion: 2.20.9-0ubuntu1 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Wed Mar 28 18:00:19 2018 DisplayManager: gdm3 ExecutablePath: /usr/bin/gnome-shell GsettingsChanges: b'org.gnome.shell' b'enabled-extensions' b"['vpn-indica...@howdoicomputer.fastmail.com']" b'org.gnome.shell' b'app-picker-view' b'uint32 1' b'org.gnome.shell' b'favorite-apps' b"['firefox.desktop', 'rhythmbox.desktop', 'org.gnome.Nautilus.desktop', 'org.gnome.Software.desktop', 'yelp.desktop', 'org.gnome.Terminal.desktop', 'cisco-anyconnect.desktop']" b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'" InstallationDate: Installed on 2018-03-23 (4 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1) ProcCmdline: /usr/bin/gnome-shell SegvAnalysis: Segfault happened at: 0x7fd17cf23d3d <g_type_check_instance_cast+77>: movzbl 0x16(%rax),%edx PC (0x7fd17cf23d3d) ok source "0x16(%rax)" (0x00024562) not located in a known VMA region (needed readable region)! destination "%edx" ok SegvReason: reading unknown VMA Signal: 11 SourcePackage: gnome-shell StacktraceTop: g_type_check_instance_cast () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 st_label_set_text () at /usr/lib/gnome-shell/libst-1.0.so ffi_call_unix64 () at /usr/lib/x86_64-linux-gnu/libffi.so.6 ffi_call () at /usr/lib/x86_64-linux-gnu/libffi.so.6 () at /usr/lib/libgjs.so.0 Title: gnome-shell crashed with SIGSEGV in g_type_check_instance_cast() UpgradeStatus: Upgraded to bionic on 2018-03-24 (4 days ago) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1759621/+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