Public bug reported:

most of the time when i do a software update that involves installing a
new kernel, the laptop fails to properly restore the screen when
returning from the suspension.  (i always reboot after doing the update,
that is not the problem).

I can "fix" this by getting into the power management configuration and
changing something (pretty much anything) and then changing it back.
Once i do this,  the computer works properly after a suspend.

It behaves "as if" there were some persistent state whose format or
location changes in an incompatible way with each kernel release and
that this gets reset by the power management app but is not cleared by
the update process.

this is an amd based machine with amd based graphics.

kenny

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: pm-utils (not installed)
ProcVersionSignature: Ubuntu 4.15.0-50.54-generic 4.15.18
Uname: Linux 4.15.0-50-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
CurrentDesktop: XFCE
Date: Tue May 21 14:30:20 2019
InstallationDate: Installed on 2018-06-21 (333 days ago)
InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: pm-utils
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: pm-utils (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic

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https://bugs.launchpad.net/bugs/1829917

Title:
  laptop fails to return from suspend after kernel upgrade

Status in pm-utils package in Ubuntu:
  New

Bug description:
  most of the time when i do a software update that involves installing
  a new kernel, the laptop fails to properly restore the screen when
  returning from the suspension.  (i always reboot after doing the
  update, that is not the problem).

  I can "fix" this by getting into the power management configuration
  and changing something (pretty much anything) and then changing it
  back.   Once i do this,  the computer works properly after a suspend.

  It behaves "as if" there were some persistent state whose format or
  location changes in an incompatible way with each kernel release and
  that this gets reset by the power management app but is not cleared by
  the update process.

  this is an amd based machine with amd based graphics.

  kenny

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: pm-utils (not installed)
  ProcVersionSignature: Ubuntu 4.15.0-50.54-generic 4.15.18
  Uname: Linux 4.15.0-50-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.6
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Tue May 21 14:30:20 2019
  InstallationDate: Installed on 2018-06-21 (333 days ago)
  InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Release amd64 
(20180426)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: pm-utils
  UpgradeStatus: No upgrade log present (probably fresh install)

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