sleep mode doesn't work on encrypted Ubuntu 21.04 anymore. The computer does not wake up from sleep mode.

[Vincent Wolff]

1) Description: Ubuntu 21.04
Release: 21.04
2) not applicable
3) I expect the computer to wake up from sleep mode after pressing the power button as it did before the release upgrade
4) The computer screen remains black and the only way to restart the computer is to hold the power button for long, to turn it off and then to turn it on again. Unsafed work is then of course lost.

I also tried telling the computer to not go to sleep mode, but after not using it for some time, the screen was black anyway and it wasn't possible to use it unless by forcing a restart.

ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: ubuntu-release-upgrader-core 1:21.04.13
ProcVersionSignature: Ubuntu 5.11.0-18.19-generic 5.11.17
Uname: Linux 5.11.0-18-generic x86_64
ApportVersion: 2.20.11-0ubuntu65.1
Architecture: amd64
CasperMD5CheckResult: unknown
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Thu Jun 17 12:50:18 2021
InstallationDate: Installed on 2021-01-26 (141 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: release-upgrade
UpgradeStatus: Upgraded to hirsute on 2021-06-06 (10 days ago)
VarLogDistupgradeXorgFixuplog:
 INFO:root:/usr/bin/do-release-upgrade running
 INFO:root:No xorg.conf, exiting

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Meir Levi (ubuntu-meir)]

Brian
Current Linux version is 5.13.0.24. After updating my kernel to this one sleep mode seems working
Levi

> On Jan 18, 2022, at 15:55, Brian Murray <email address hidden> wrote:
>
> ** Package changed: ubuntu-release-upgrader (Ubuntu) => linux (Ubuntu)
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1932296
>
> Title:
> sleep mode doesn't work on encrypted Ubuntu 21.04 anymore. The
> computer does not wake up from sleep mode.
>
> Status in linux package in Ubuntu:
> Confirmed
>
> Bug description:
> 1) Description: Ubuntu 21.04
> Release: 21.04
> 2) not applicable
> 3) I expect the computer to wake up from sleep mode after pressing the power button as it did before the release upgrade
> 4) The computer screen remains black and the only way to restart the computer is to hold the power button for long, to turn it off and then to turn it on again. Unsafed work is then of course lost.
>
> I also tried telling the computer to not go to sleep mode, but after
> not using it for some time, the screen was black anyway and it wasn't
> possible to use it unless by forcing a restart.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 21.04
> Package: ubuntu-release-upgrader-core 1:21.04.13
> ProcVersionSignature: Ubuntu 5.11.0-18.19-generic 5.11.17
> Uname: Linux 5.11.0-18-generic x86_64
> ApportVersion: 2.20.11-0ubuntu65.1
> Architecture: amd64
> CasperMD5CheckResult: unknown
> CrashDB: ubuntu
> CurrentDesktop: ubuntu:GNOME
> Date: Thu Jun 17 12:50:18 2021
> InstallationDate: Installed on 2021-01-26 (141 days ago)
> InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
> PackageArchitecture: all
> SourcePackage: ubuntu-release-upgrader
> Symptom: release-upgrade
> UpgradeStatus: Upgraded to hirsute on 2021-06-06 (10 days ago)
> VarLogDistupgradeXorgFixuplog:
> INFO:root:/usr/bin/do-release-upgrade running
> INFO:root:No xorg.conf, exiting
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1932296/+subscriptions
>