You have been subscribed to a public bug:
I upgraded my Linux machine to Ubuntu 14.04. After that, I notice that
Ubuntu won't suspend anymore. Suspend works fine in 13.10. When I
execute "Suspend" either from menu or from terminal with sudo pm-suspend
the screen gets black with the blinking cursor or with the following
lines:
[ 445.032801] PM: Syncing filesystems … done.
[ 445.057818] PM: Preparing system for mem sleep
[ 445.058006] Freezing user space processes --- (elapsed 0.001 seconds) done.
[ 445.059860] Freezing remaining freezable tasks … (elapsed 0.001 seconds)
done.
[ 445.061194] PM: Entering mem sleep
[ 445.061247] Suspending console(s) (use no_console_suspend to debug)
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.2
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Tue Apr 22 15:02:04 2014
InstallationDate: Installed on 2014-04-22 (0 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: release-upgrade
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug dist-upgrade trusty
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System won't suspend after upgrading to 14.04
https://bugs.launchpad.net/bugs/1311098
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