[Bug 2059847] Re: Input lag or freezes on Nvidia desktops with X11 after logging "MetaSyncRing: Sync object is not ready -- were events handled properly?"

[Steve Langasek]

Hello Marek, or anyone else affected,

Accepted mutter into jammy-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/mutter/42.9-0ubuntu8
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
jammy to verification-done-jammy. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-jammy. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: mutter (Ubuntu Jammy)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-jammy

-- 
You received this bug notification because you are a member of Ubuntu
Sponsors, which is subscribed to the bug report.
https://bugs.launchpad.net/bugs/2059847

Title:
  Input lag or freezes on Nvidia desktops with X11 after logging
  "MetaSyncRing: Sync object is not ready -- were events handled
  properly?"

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Released
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  In Progress
Status in mutter source package in Noble:
  Fix Released

Bug description:
  [ Impact ]

  Input or the entire screen may freeze at times on systems using the
  Nvidia Xorg driver with GNOME.

  [ Test Plan ]

  0. Set up a desktop with Nvidia driver 545 or 550.
  1. Log into Ubuntu, ensuring it's a Xorg session.
  2. Open a Terminal, resize it vigorously, and type several lines of text.
  3. Run: journalctl -b0 | grep MetaSyncRing
  4. Verify the above command does NOT show "MetaSyncRing" messages such as:

  Window manager warning: MetaSyncRing: Sync object is not ready -- were events handled properly?
  Window manager warning: MetaSyncRing: Sync object is not ready -- were events handled properly?
  Window manager warning: MetaSyncRing: Sync object is not ready -- were events handled properly?
  Window manager warning: MetaSyncRing: Too many reboots -- disabling

  [ Where problems could occur ]

  Anywhere in Nvidia (proprietary driver) Xorg sessions since the code
  being modified is only used with that driver.

  [ Original Description ]

  There is a noticeable delay in input while using the native terminal.
  I belive it was caused by a recent software update, as this issue is
  relatively new.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 6.5.0-26.26~22.04.1-generic 6.5.13
  Uname: Linux 6.5.0-26-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia wl
  ApportVersion: 2.20.11-0ubuntu82.5
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Mar 30 19:57:13 2024
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  InstallationDate: Installed on 2024-03-30 (0 days ago)
  InstallationMedia: Ubuntu 22.04.4 LTS "Jammy Jellyfish" - Release amd64 (20240220)
  SourcePackage: ubiquity
  Symptom: installation
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2059847/+subscriptions