gnome-control-center crashed with SIGSEGV in dconf_engine_manage_queue()

[Wellington Torrejais da Silva]

Configuration save problems, I can`t set preferences.
All after update to Ubuntu 17.10.

Many crashes

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: gnome-control-center 1:3.26.1-0ubuntu4
ProcVersionSignature: Ubuntu 4.13.0-11.12-generic 4.13.1
Uname: Linux 4.13.0-11-generic x86_64
ApportVersion: 2.20.7-0ubuntu3
Architecture: amd64
CurrentDesktop: GNOME
Date: Tue Oct 24 16:33:17 2017
ExecutablePath: /usr/bin/gnome-control-center
InstallationDate: Installed on 2016-08-02 (447 days ago)
InstallationMedia: Lubuntu 16.10 "Yakkety Yak" - Alpha amd64 (20160727)
ProcCmdline: gnome-control-center --overview
SegvAnalysis:
 Segfault happened at: 0x7f526d5427cd: mov (%rax),%rcx
 PC (0x7f526d5427cd) ok
 source "(%rax)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%rcx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-control-center
StacktraceTop:
 () at /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
 () at /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
 () at /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
 g_settings_reset () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 cc_keyboard_item_reset ()
Title: gnome-control-center crashed with SIGSEGV
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo vboxsf

[Apport retracing service (apport)]

StacktraceTop:
 dconf_engine_manage_queue (engine=0x5577adc8b1f0) at dconf-engine.c:1078
 dconf_engine_change_fast (engine=0x5577adc8b1f0, changeset=changeset@entry=0x5577ae7bd520, origin_tag=origin_tag@entry=0x0, error=error@entry=0x0) at dconf-engine.c:1187
 dconf_settings_backend_write (backend=0x5577add3e1d0, key=0x5577ae7c9a80 "/org/gnome/settings-daemon/plugins/media-keys/magnifier-zoom-in", value=0x0, origin_tag=0x0) at dconfsettingsbackend.c:76
 g_settings_reset (settings=0x5577add36170, key=<optimized out>) at ../../../../gio/gsettings.c:2345
 cc_keyboard_item_reset (self=0x5577ae0b2660) at cc-keyboard-item.c:673

[Sebastien Bacher (seb128)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Please answer these questions:
* Is this reproducible?
* If so, what specific steps should we take to recreate this bug?

This will help us to find and resolve the problem.

[Launchpad Janitor (janitor)]

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