[Bug 1876654] [NEW] After upgrade to 20.04 system stops accepting mouse and keyboard input when there is intense disk activity

[Ashley Peek]

Public bug reported:

Any application that results in a period of intense disk activity causes
the mouse and keyboard to become unresponsive.  When copying large files
the mouse will respond for a brief period, a few microseconds, moving
across the screen, but then won't respond for 10-15 seconds. After disk
activity has finished the mouse/keyboard respond normally again.

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: ubuntu-release-upgrader-core 1:19.10.15.4
ProcVersionSignature: Ubuntu 5.3.0-51.44-generic 5.3.18
Uname: Linux 5.3.0-51-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.8
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Mon May  4 07:04:34 2020
InstallationDate: Installed on 2019-02-24 (434 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: ubuntu-release-upgrader
UpgradeStatus: Upgraded to eoan on 2020-05-02 (1 days ago)
VarLogDistupgradeXorgFixuplog:
 INFO:root:/usr/bin/do-release-upgrade running
 INFO:root:No xorg.conf, exiting

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade eoan

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https://bugs.launchpad.net/bugs/1876654

Title:
  After upgrade to 20.04 system stops accepting mouse and keyboard input
  when there is intense disk activity

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  Any application that results in a period of intense disk activity
  causes the mouse and keyboard to become unresponsive.  When copying
  large files the mouse will respond for a brief period, a few
  microseconds, moving across the screen, but then won't respond for
  10-15 seconds. After disk activity has finished the mouse/keyboard
  respond normally again.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: ubuntu-release-upgrader-core 1:19.10.15.4
  ProcVersionSignature: Ubuntu 5.3.0-51.44-generic 5.3.18
  Uname: Linux 5.3.0-51-generic x86_64
  ApportVersion: 2.20.11-0ubuntu8.8
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Mon May  4 07:04:34 2020
  InstallationDate: Installed on 2019-02-24 (434 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to eoan on 2020-05-02 (1 days ago)
  VarLogDistupgradeXorgFixuplog:
   INFO:root:/usr/bin/do-release-upgrade running
   INFO:root:No xorg.conf, exiting

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