*** This bug is a duplicate of bug 1714989 ***
    https://bugs.launchpad.net/bugs/1714989

** This bug is no longer a duplicate of bug 1759621
   gnome-shell crashed with SIGSEGV in g_type_check_instance_cast() from 
st_label_set_text() from ffi_call_unix64()
** This bug has been marked a duplicate of bug 1714989
   gnome-shell crashed with SIGSEGV in g_type_check_instance_cast() from 
st_label_set_text() from ffi_call_unix64()

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https://bugs.launchpad.net/bugs/1765732

Title:
  gnome-shell crashed with SIGSEGV in g_type_check_instance_cast()

Status in gnome-shell package in Ubuntu:
  New

Bug description:
  My mouse and trackpad are not working anymore after the latest upgrade
  of ubuntu 18.04

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: gnome-shell 3.28.1-0ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
  Uname: Linux 4.15.0-15-generic x86_64
  ApportVersion: 2.20.9-0ubuntu5
  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Apr 20 16:20:52 2018
  DisplayManager: gdm3
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see 
http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-xenial-amd64-20160624-2
  ExecutablePath: /usr/bin/gnome-shell
  InstallationDate: Installed on 2018-04-04 (15 days ago)
  InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 
20160624-10:47
  ProcCmdline: /usr/bin/gnome-shell
  SegvAnalysis:
   Segfault happened at: 0x7f142ed67d3d <g_type_check_instance_cast+77>:        
movzbl 0x16(%rax),%edx
   PC (0x7f142ed67d3d) ok
   source "0x16(%rax)" (0xec8348fb8948536a) 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: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo

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