Public bug reported:
With kernel 5.4.0-47.51, suspend (and resuming thereafter) works
flawlessly. With 5.4.0-48.52 and later versions, the display refuses to
wake up after a suspend.
Display adaptor:
Nvidia driver version: 440.100
Screens: 1
GPU: GeForce GT 710
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-48-generic 5.4.0-48.52
ProcVersionSignature: Ubuntu 5.4.0-47.51-generic 5.4.55
Uname: Linux 5.4.0-47-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: craig 1332 F.... pulseaudio
/dev/snd/controlC0: craig 1332 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Mon Oct 19 20:15:38 2020
InstallationDate: Installed on 2020-09-04 (44 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
IwConfig:
enx582c80139263 no wireless extensions.
lo no wireless extensions.
enp2s0 no wireless extensions.
MachineType: Dell Inc. OptiPlex 380
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-47-generic
root=UUID=90130dae-9aab-4a03-9308-cf17561e3af2 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-47-generic N/A
linux-backports-modules-5.4.0-47-generic N/A
linux-firmware 1.187.3
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/24/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A05
dmi.board.name: 01TKCC
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 15
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA05:bd02/24/2011:svnDellInc.:pnOptiPlex380:pvr:rvnDellInc.:rn01TKCC:rvrA01:cvnDellInc.:ct15:cvr:
dmi.product.name: OptiPlex 380
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug focal third-party-packages
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https://bugs.launchpad.net/bugs/1900584
Title:
Regression: suspend/wake-up no longer working properly
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