[DELL XPS13] Ubuntu 18.04 LTS X-server crash when memory usage peaks

The OS is Ubuntu 18.04 LTS as provided by Dell factory installation.

dmesg | grep BIOS
    Hardware name: Dell Inc. XPS 13 9300/077Y9N, BIOS 1.0.11 05/08/2020

uname -a
    Linux laptop-dev 5.0.0-1063-oem-osp1 #68-Ubuntu SMP Fri Jun 26 19:44:17 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

When system starts slowing down and eventually freeze with CPU venting spinning up, this is the syslog after X-server session crashes and user logged on afterwards:

cat /var/log/syslog | grep Fail

Jul 6 14:46:07 laptop-dev gsd-sharing[24145]: Failed to StopUnit service: GDBus.Error:org.freedesktop.systemd1.NoSuchUnit: Unit gnome-user-share-webdav.service not loaded.
Jul 6 14:46:07 laptop-dev gsd-sharing[24145]: Failed to StopUnit service: GDBus.Error:org.freedesktop.systemd1.NoSuchUnit: Unit rygel.service not loaded.
Jul 6 14:46:07 laptop-dev gsd-sharing[24145]: Failed to StopUnit service: GDBus.Error:org.freedesktop.systemd1.NoSuchUnit: Unit gnome-remote-desktop.service not loaded.
Jul 6 14:46:22 laptop-dev /usr/lib/gdm3/gdm-x-session[23868]: i965: Failed to submit batchbuffer: Input/output error
Jul 6 14:46:22 laptop-dev gsd-color[2190]: failed to connect to device: Failed to connect to missing device /org/freedesktop/ColorManager/devices/xrandr_Sharp_Corporation_moriondo_1001
Jul 6 14:46:22 laptop-dev systemd[23847]: gnome-terminal-server.service: Failed with result 'exit-code'.
Jul 6 14:46:22 laptop-dev gnome-shell[28719]: Failed to create backend: Unable to open display ':0'
Jul 6 14:46:38 laptop-dev pulseaudio[28983]: [pulseaudio] backend-ofono.c: Failed to register as a handsfree audio agent with ofono: org.freedesktop.DBus.Error.ServiceUnknown: The name org.ofono was not provided by any .service files
Jul 6 14:46:39 laptop-dev gsd-xsettings[29091]: Failed to get current display configuration state: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Name "org.gnome.Mutter.DisplayConfig" does not exist
Jul 6 14:46:39 laptop-dev gsd-sharing[29087]: Failed to StopUnit service: GDBus.Error:org.freedesktop.systemd1.NoSuchUnit: Unit gnome-user-share-webdav.service not loaded.
Jul 6 14:46:39 laptop-dev gsd-sharing[29087]: Failed to StopUnit service: GDBus.Error:org.freedesktop.systemd1.NoSuchUnit: Unit rygel.service not loaded.
Jul 6 14:46:39 laptop-dev gsd-sharing[29087]: Failed to StopUnit service: GDBus.Error:org.freedesktop.systemd1.NoSuchUnit: Unit gnome-remote-desktop.service not loaded.
Jul 6 14:46:39 laptop-dev gsd-color[2190]: failed to set screen _ICC_PROFILE: Failed to open file “~/.local/share/icc/edid-1c820e5fd3f4716da10f18c70e8e338e.icc”: Permission denied
Jul 6 14:46:40 laptop-dev gsd-color[2190]: failed to set screen _ICC_PROFILE: Failed to open file “~/.local/share/icc/edid-1c820e5fd3f4716da10f18c70e8e338e.icc”: Permission denied
Jul 6 14:46:44 laptop-dev systemd[1]: user@0.service: Failed with result 'start-limit-hit'.
Jul 6 14:46:44 laptop-dev systemd[1]: Failed to start User Manager for UID 0.
Jul 6 14:47:47 laptop-dev gnome-software[29586]: Failed to load snap icon: local snap has no icon
Jul 6 14:47:47 laptop-dev gnome-software[29586]: message repeated 4 times: [ Failed to load snap icon: local snap has no icon]

I have also submitted the same report for Google Chrome.