Public bug reported:
My laptop used to be able to suspend and resume fine, on 20.04 and
earlier.
I recently upgraded to 20.10, and noticed that it was failing to resume,
but I didn't look into it much because I also noticed that I could
upgrade to 21.04. Same issue.
I ran journalctl -b -l -k and noticed an error with radeon failing to
resume. But, I'm not sure if that is the correct command. I was
suggested to run journalctl -b -1, and that doesn't show any errors at
the end.
ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: linux-image-5.11.0-22-generic 5.11.0-22.23
ProcVersionSignature: Ubuntu 5.11.0-22.23-generic 5.11.21
Uname: Linux 5.11.0-22-generic x86_64
ApportVersion: 2.20.11-0ubuntu65.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: dan 1243 F.... pulseaudio
/dev/snd/controlC1: dan 1243 F.... pulseaudio
CasperMD5CheckResult: unknown
CurrentDesktop: XFCE
Date: Sun Jul 11 18:46:53 2021
InstallationDate: Installed on 2020-04-01 (466 days ago)
InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
MachineType: Dell Inc. Latitude E6540
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-22-generic
root=UUID=fb680a18-f11e-44e5-91db-015c28c61227 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.11.0-22-generic N/A
linux-backports-modules-5.11.0-22-generic N/A
linux-firmware 1.197.2
SourcePackage: linux
UpgradeStatus: Upgraded to hirsute on 2021-07-11 (0 days ago)
dmi.bios.date: 09/03/2013
dmi.bios.release: 4.6
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A05
dmi.board.name: 0CYT5F
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA05:bd09/03/2013:br4.6:svnDellInc.:pnLatitudeE6540:pvr01:rvnDellInc.:rn0CYT5F:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E6540
dmi.product.sku: Latitude E6540
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug hirsute
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https://bugs.launchpad.net/bugs/1935785
Title:
Failed resume: radeon
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