gnome-shell crashed with signal 5 in g_settings_schema_get_value() from g_settings_schema_key_init() from g_settings_get_value(key="opaque-background") ["Settings schema 'org.gnome.shell.extensions.dash-to-dock' does not contain a key named 'opaque-background'"]

[siucdude]

Just got this on 17.10 after todays updates.

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: gnome-shell 3.26.0-0ubuntu1
ProcVersionSignature: Ubuntu 4.13.0-11.12-generic 4.13.1
Uname: Linux 4.13.0-11-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.7-0ubuntu1
Architecture: amd64
CrashCounter: 1
CurrentDesktop: pop:GNOME
Date: Sat Sep 23 14:51:28 2017
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
InstallationDate: Installed on 2015-12-17 (645 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
ProcCmdline: /usr/bin/gnome-shell
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 5
SourcePackage: gnome-shell
StacktraceTop:
 () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 g_settings_get_value () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 g_settings_get_boolean () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 ffi_call_unix64 () at /usr/lib/x86_64-linux-gnu/libffi.so.6
Title: gnome-shell crashed with signal 5
UpgradeStatus: Upgraded to artful on 2017-02-14 (221 days ago)
UserGroups: adm cdrom dip kismet libvirt lpadmin lxd plugdev sambashare sudo ubridge

[Apport retracing service (apport)]

StacktraceTop:
 g_settings_schema_get_value (schema=0x55b0fb5bbe30, key=0x55b0fb80f370 "opaque-background") at ../../../../gio/gsettingsschema.c:967
 g_settings_schema_key_init (key=key@entry=0x7ffd68ca95d0, schema=0x55b0fb5bbe30, name=name@entry=0x55b0fb80f370 "opaque-background") at ../../../../gio/gsettingsschema.c:1246
 g_settings_get_value (settings=0x55b0fb5bbd70, key=0x55b0fb80f370 "opaque-background") at ../../../../gio/gsettings.c:1203
 g_settings_get_boolean (settings=<optimized out>, key=<optimized out>) at ../../../../gio/gsettings.c:2127
 ffi_call_unix64 () at ../src/x86/unix64.S:76

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Daniel van Vugt (vanvugt)]

Sounds like dash-to-dock is causing this crash. Looking on errors.ubuntu.com the same extension is causing a couple of other similar crashes.

[Daniel van Vugt (vanvugt)]

Thank you for reporting this bug to Ubuntu.
Ubuntu 17.10 (artful) reached end-of-life on July 19, 2018.

See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in and change the bug status to Confirmed.

[Launchpad Janitor (janitor)]

[Expired for gnome-shell (Ubuntu) because there has been no activity for 60 days.]