Comment 0 for bug 1754949

The crash was reported after booting and logging in to an X.Org session.

$ lsb_release -rd
Description: Ubuntu Bionic Beaver (development branch)
Release: 18.04

$ apt-cache policy gnome-shell
gnome-shell:
  Instalovaná verze: 3.27.92-0ubuntu1
  Kandidát: 3.27.92-0ubuntu1
  Tabulka verzí:
 *** 3.27.92-0ubuntu1 500
        500 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.27.92-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
Uname: Linux 4.15.0-10-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
CurrentDesktop: GNOME-Greeter:GNOME
Date: Sun Mar 11 11:08:00 2018
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
GsettingsChanges:

InstallationDate: Installed on 2017-12-19 (81 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
ProcCmdline: /usr/bin/gnome-shell
ProcEnviron:
 LANGUAGE=cs_CZ
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=cs_CZ.UTF-8
 SHELL=/bin/false
SegvAnalysis:
 Segfault happened at: 0x7f3fee5d2f17 <meta_gpu_kms_apply_crtc_mode+215>: mov 0x20(%rax),%rcx
 PC (0x7f3fee5d2f17) ok
 source "0x20(%rax)" (0x00000020) not located in a known VMA region (needed readable region)!
 destination "%rcx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-shell
StacktraceTop:
 meta_gpu_kms_apply_crtc_mode () at /usr/lib/x86_64-linux-gnu/libmutter-2.so.0
 meta_renderer_native_finish_frame () at /usr/lib/x86_64-linux-gnu/libmutter-2.so.0
 () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
 () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
 () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
Title: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
UpgradeStatus: Upgraded to bionic on 2018-03-05 (5 days ago)
UserGroups: