Ubuntu
xserver-xorg-input-libinput package

(EE) client bug: timer event3 debounce short: scheduled expiry is in the past (-28ms), your system is too slow

Bug #1914806 reported by Chris
28
This bug affects 6 people
Affects Status Importance Assigned to Milestone
libinput (Ubuntu)
Confirmed
Undecided
Unassigned
xserver-xorg-input-libinput (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

Feb 5 13:17:35 H61N-USB3 /usr/lib/gdm3/gdm-x-session[4812]: (EE) client bug: timer event3 debounce: scheduled expiry is in the past (-15ms), your system is too slow
Feb 5 13:17:35 H61N-USB3 /usr/lib/gdm3/gdm-x-session[4812]: (EE) client bug: timer event3 debounce short: scheduled expiry is in the past (-28ms), your system is too slow
Feb 5 13:17:46 H61N-USB3 /usr/lib/gdm3/gdm-x-session[4812]: (EE) client bug: timer event3 debounce short: scheduled expiry is in the past (-4ms), your system is too slow

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: mutter 3.36.7+git20201123-0.20.04.1
ProcVersionSignature: Ubuntu 5.4.0-65.73-generic 5.4.78
Uname: Linux 5.4.0-65-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Fri Feb 5 13:19:11 2021
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-08-26 (2355 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: mutter
UpgradeStatus: Upgraded to focal on 2020-09-30 (128 days ago)

Revision history for this message
Chris (chrisdelrey) wrote :
Daniel van Vugt (vanvugt)
summary: - Seeing this error in the logs while looking for any indication of Chrome
- long load time
+ (EE) client bug: timer event3 debounce short: scheduled expiry is in the
+ past (-28ms), your system is too slow
affects: mutter (Ubuntu) → xorg-server (Ubuntu)
affects: xorg-server (Ubuntu) → xserver-xorg-input-libinput (Ubuntu)
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Thanks for the bug report. That message seems to come from libinput. It's an attempt to tell you the client code (Xorg in this case) is not performing well enough.

Usually this should be considered a bug in the client (Xorg) but also it might be a poor design/assumption on the part of libinput to expect all clients to perform better. So I will assign the bug to libinput too.

Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1870597, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.

Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in libinput (Ubuntu):
status: New → Confirmed
Changed in xserver-xorg-input-libinput (Ubuntu):
status: New → Confirmed
Revision history for this message
bruno (bruninho-ro) wrote :

I'm use KDE and obtain the bug.

"[635.832] (EE) client bug: timer event17 debounce: scheduled expiry is in the past (-8ms), your system is too slow
 [823.399] (EE) client bug: timer event17 debounce short: scheduled expiry is in the past (-16ms), your system is too slow"

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