[Bug 1910927] UdevDb.txt

apport information

** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1910927/+attachment/5451531/+files/UdevDb.txt

--
You received this bug notification because you are subscribed to linux
in Ubuntu.
Matching subscriptions: Bgg, Bmail, Nb
https://bugs.launchpad.net/bugs/1910927

Title:
Suspend stopped working with kernel 5.4 (ubuntu 20.04)

Status in linux package in Ubuntu:
Confirmed

Bug description:
Suspend was working on ubuntu 18.04 with kernel 4.15.0-128.

After upgrade to ubuntu 20.04, suspend is not working. The device is
on black screen, fully powered and not responding any longer.

I can still boot the old kernel 4.15.0-128 from ubuntu 18.04, suspend
is working with this kernel!

I tested kernel 5.4.0-60 and 5.8.0-36 from hwe. With both kernels, suspend is broken on my older device with Core2Duo.
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: xubuntu 4020 F.... pulseaudio
CasperMD5CheckResult: pass
CasperVersion: 1.445
CurrentDesktop: XFCE
DistroRelease: Ubuntu 20.04
LiveMediaBuild: Xubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: SAMSUNG ELECTRONICS CO., LTD. R510/P510
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
Package: linux (not installed)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 nouveaudrmfb
ProcKernelCmdLine: file=/cdrom/preseed/username.seed initrd=/casper/initrd quiet splash --- maybe-ubiquity
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
RelatedPackageVersions:
linux-restricted-modules-5.4.0-26-generic N/A
linux-backports-modules-5.4.0-26-generic N/A
linux-firmware 1.187
Tags: focal
Uname: Linux 5.4.0-26-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 04/01/2010
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 10LI.M008.20100401.KSJ
dmi.board.name: R510/P510
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr10LI.M008.20100401.KSJ:bd04/01/2010:svnSAMSUNGELECTRONICSCO.,LTD.:pnR510/P510:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnR510/P510:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrN/A:
dmi.product.name: R510/P510
dmi.product.version: Not Applicable
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1910927/+subscriptions