** Tags added: bionic

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https://bugs.launchpad.net/bugs/1725160

Title:
  gnome-shell crashed with SIGSEGV in
  meta_monitor_manager_kms_apply_crtc_mode() from
  meta_renderer_native_finish_frame()

Status in gnome-shell package in Ubuntu:
  Confirmed

Bug description:
  Having an NVidia Optimus type laptop graphics card, this happened
  after installing nvidia drivers (from the software update/additional
  drivers screen) and rebooting in discrete mode (so NVidia only)

  ProblemType: Crash
  DistroRelease: Ubuntu 17.10
  Package: gnome-shell 3.26.1-0ubuntu4
  ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
  Uname: Linux 4.13.0-16-lowlatency x86_64
  ApportVersion: 2.20.7-0ubuntu3
  Architecture: amd64
  CurrentDesktop: GNOME-Greeter:GNOME
  Date: Fri Oct 20 08:49:10 2017
  DisplayManager: gdm3
  ExecutablePath: /usr/bin/gnome-shell
  GsettingsChanges:
   
  InstallationDate: Installed on 2017-04-29 (173 days ago)
  InstallationMedia: Ubuntu-GNOME 17.04 "Zesty Zapus" - Release amd64 (20170412)
  ProcCmdline: /usr/bin/gnome-shell
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=nl_NL.UTF-8
   SHELL=/bin/false
  SegvAnalysis:
   Segfault happened at: 0x7fdd1a378a6f 
<meta_monitor_manager_kms_apply_crtc_mode+207>: mov    0x8(%rax),%rcx
   PC (0x7fdd1a378a6f) ok
   source "0x8(%rax)" (0x00000008) not located in a known VMA region (needed 
readable region)!
   destination "%rcx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: gnome-shell
  StacktraceTop:
   meta_monitor_manager_kms_apply_crtc_mode () at 
/usr/lib/x86_64-linux-gnu/libmutter-1.so.0
   meta_renderer_native_finish_frame () at 
/usr/lib/x86_64-linux-gnu/libmutter-1.so.0
   () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-1.so
   () at /usr/lib/x86_64-linux-gnu/libmutter-1.so.0
   () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-1.so
  Title: gnome-shell crashed with SIGSEGV in 
meta_monitor_manager_kms_apply_crtc_mode()
  UpgradeStatus: Upgraded to artful on 2017-10-19 (0 days ago)
  UserGroups:

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