It's unlikely even busy system calls like that are the real issue here. Please start by disabling all your shell extensions and tell us if that improves the situation.
Please also try deleting local unsupported extensions: cd ~/.local/share/gnome-shell/ rm -rf extensions and then log in again. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1993074 Title: gnome-shell uses 30-100% CPU Status in gnome-shell package in Ubuntu: Incomplete Bug description: gnome-shell uses 30-100% CPU After investigation problem is because a lot of recvmsg: strace: --------- recvmsg(16, {msg_namelen=0}, 0) = -1 EAGAIN (Zasoby chwilowo niedostępne) recvmsg(16, {msg_namelen=0}, 0) = -1 EAGAIN (Zasoby chwilowo niedostępne) recvmsg(6, {msg_namelen=0}, 0) = -1 EAGAIN (Zasoby chwilowo niedostępne) recvmsg(6, {msg_namelen=0}, 0) = -1 EAGAIN (Zasoby chwilowo niedostępne) recvmsg(16, {msg_namelen=0}, 0) = -1 EAGAIN (Zasoby chwilowo niedostępne) recvmsg(16, {msg_namelen=0}, 0) = -1 EAGAIN (Zasoby chwilowo niedostępne) recvmsg(6, {msg_namelen=0}, 0) = -1 EAGAIN (Zasoby chwilowo niedostępne) recvmsg(6, {msg_namelen=0}, 0) = -1 EAGAIN (Zasoby chwilowo niedostępne) ---------- lsof output: gnome-she 14772 xxx 6u unix 0x0000000000000000 0t0 133056 type=STREAM gnome-she 14772 xxx 16u unix 0x0000000000000000 0t0 133062 type=STREAM ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: gnome-shell 42.4-0ubuntu0.22.04.1 ProcVersionSignature: Ubuntu 5.15.0-50.56-generic 5.15.60 Uname: Linux 5.15.0-50-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu82.1 Architecture: amd64 CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Sun Oct 16 18:50:20 2022 DisplayManager: gdm3 EcryptfsInUse: Yes InstallationDate: Installed on 2022-09-29 (17 days ago) InstallationMedia: Ubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220809.1) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=pl_PL.UTF-8 SHELL=/bin/bash RelatedPackageVersions: mutter-common 42.2-0ubuntu1 SourcePackage: gnome-shell UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1993074/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
