Public bug reported:
I get a blank screen with a mouse cursor. Cursor doesn't respond to
mouse inputs. System doesn't respond to keyboard inputs. I can still
ssh in from another machine.
I see the following in the journal:
Jul 13 01:55:14 jenks gnome-shell[1403]: libinput error: client bug: timer
event3 debounce: scheduled expiry is in the past (-442ms>
Jul 13 01:55:14 jenks gnome-shell[1403]: libinput error: client bug: timer
event3 debounce short: scheduled expiry is in the past (>
Jul 13 01:57:07 jenks gnome-shell[1403]: Failed to post KMS update:
drmModePageFlip on CRTC 93 failed: No space left on device
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.36.9-0ubuntu0.20.04.2
ProcVersionSignature: Ubuntu 5.8.0-59.66~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-59-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
CasperMD5CheckResult: skip
Date: Tue Jul 13 02:06:08 2021
DisplayManager: gdm3
InstallationDate: Installed on 2021-06-29 (14 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64
(20210209.1)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
RelatedPackageVersions: mutter-common 3.36.9-0ubuntu0.20.04.1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1935901
Title:
video locks up under gnome-shell
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