Public bug reported: 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) ** Affects: gnome-shell (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug jammy -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1993074 Title: Many recvmsg messages To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1993074/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs