Public bug reported:

The crash isn't immediate, but reliably reproducible when using the
touchscreen to interact with multiple full-screen native steam games.
Typically happens within 30-120 minutes of normal use. (Same games don't
crash at all if the touchscreen is not used.) I've reproduced the issue
many times. Also seems to affect other full-screen applications such as
the default video player (reproduced once).

Typically right before the crash the reaction to touch input will become
somewhat strange (touches seem to register, but the full-screen
application doesn't respond as expected, for example moving the cursor
but not actually performing the "tap" action).

# lsb_release -rd
Description:    Ubuntu 19.10
Release:        19.10

# apt-cache policy gnome-shell
gnome-shell:
  Installed: 3.34.1+git20191024-1ubuntu1~19.10.1
  Candidate: 3.34.1+git20191024-1ubuntu1~19.10.1
  Version table:
 *** 3.34.1+git20191024-1ubuntu1~19.10.1 500
        500 http://archive.ubuntu.com/ubuntu eoan-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     3.34.1-1ubuntu1 500
        500 http://archive.ubuntu.com/ubuntu eoan/main amd64 Packages

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: gnome-shell 3.34.1+git20191024-1ubuntu1~19.10.1
ProcVersionSignature: Ubuntu 5.3.0-26.28-generic 5.3.13
Uname: Linux 5.3.0-26-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sun Jan 26 12:36:19 2020
DisplayManager: gdm3
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
RelatedPackageVersions: mutter-common 3.34.1+git20191107-1ubuntu1~19.10.1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.apport.crashdb.conf: 2020-01-25T22:33:07.611081

** Affects: gnome-shell (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug eoan

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1860907

Title:
  gnome-shell crashes when using touchscreen

Status in gnome-shell package in Ubuntu:
  New

Bug description:
  The crash isn't immediate, but reliably reproducible when using the
  touchscreen to interact with multiple full-screen native steam games.
  Typically happens within 30-120 minutes of normal use. (Same games
  don't crash at all if the touchscreen is not used.) I've reproduced
  the issue many times. Also seems to affect other full-screen
  applications such as the default video player (reproduced once).

  Typically right before the crash the reaction to touch input will
  become somewhat strange (touches seem to register, but the full-screen
  application doesn't respond as expected, for example moving the cursor
  but not actually performing the "tap" action).

  # lsb_release -rd
  Description:  Ubuntu 19.10
  Release:      19.10

  # apt-cache policy gnome-shell
  gnome-shell:
    Installed: 3.34.1+git20191024-1ubuntu1~19.10.1
    Candidate: 3.34.1+git20191024-1ubuntu1~19.10.1
    Version table:
   *** 3.34.1+git20191024-1ubuntu1~19.10.1 500
          500 http://archive.ubuntu.com/ubuntu eoan-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       3.34.1-1ubuntu1 500
          500 http://archive.ubuntu.com/ubuntu eoan/main amd64 Packages

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: gnome-shell 3.34.1+git20191024-1ubuntu1~19.10.1
  ProcVersionSignature: Ubuntu 5.3.0-26.28-generic 5.3.13
  Uname: Linux 5.3.0-26-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu8.2
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Jan 26 12:36:19 2020
  DisplayManager: gdm3
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  RelatedPackageVersions: mutter-common 3.34.1+git20191107-1ubuntu1~19.10.1
  SourcePackage: gnome-shell
  UpgradeStatus: No upgrade log present (probably fresh install)
  mtime.conffile..etc.apport.crashdb.conf: 2020-01-25T22:33:07.611081

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