** Changed in: mutter
Status: Unknown => New
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https://bugs.launchpad.net/bugs/1968040
Title:
Blanked screen doesn't wake up after locking [drmModeAtomicCommit:
Argument invalide] [drmModeAtomicCommit: Invalid argument]
Status in GNOME Shell:
New
Status in Mutter:
New
Status in mutter package in Ubuntu:
Confirmed
Bug description:
[ Workaround ]
Add to /etc/environment (in Ubuntu 22.04):
MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0
or in Ubuntu 22.10 and later:
MUTTER_DEBUG_FORCE_KMS_MODE=simple
and then reboot.
[ Original report ]
(initially reported as a comment on bug #1965085, and split into a
separate bug report)
After I lock my screen and let it blank, moving the mouse or pressing
any key on the keyboard won't wake it up. The only reliable workaround
I've found is to press Ctrl+Alt+F1.
That's on a fully up-to-date jammy, my hardware is an Intel NUC with a
single Samsung monitor connected with a standard HDMI cable. This is a
regression that started happening yesterday (2022-04-05) if I can
remember correctly (I do apply pending updates at least once daily).
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: gdm3 42.0-1ubuntu2
ProcVersionSignature: Ubuntu 5.15.0-25.25-generic 5.15.30
Uname: Linux 5.15.0-25-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu80
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Wed Apr 6 15:19:30 2022
InstallationDate: Installed on 2020-09-16 (566 days ago)
InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Alpha amd64 (20200910)
SourcePackage: gdm3
UpgradeStatus: Upgraded to jammy on 2022-03-19 (17 days ago)
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