Public bug reported: plasmashell (and Xorg) processes have recently started to eat 100% cpu and all UI operations are VERY slow now.
Some info from perf top: Annotate _Z7qstrcmpRK10QByteArrayPKc Zoom into plasmashell(2412) thread Zoom into libQt5Core.so.5.5.1 DSO Browse map details Run scripts for samples of thread [plasmashell] Run scripts for samples of symbol [_Z7qstrcmpRK10QByteArrayPKc] Plasmashell thread http://pastebin.com/CZtfCq7m Xorg thread http://pastebin.com/eAi9Ua9N ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: plasma-workspace 4:5.5.5.2-0ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-24.43-generic 4.4.10 Uname: Linux 4.4.0-24-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 CurrentDesktop: KDE Date: Wed Jun 15 09:50:25 2016 InstallationDate: Installed on 2012-11-28 (1294 days ago) InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.1) JournalErrors: Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system. Users in the 'systemd-journal' group can see all messages. Pass -q to turn off this notice. No journal files were opened due to insufficient permissions. SourcePackage: plasma-workspace UpgradeStatus: Upgraded to xenial on 2016-04-22 (53 days ago) ** Affects: plasma-workspace (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1592668 Title: plasmashell is eating 100% cpu and all UI is slow To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plasma-workspace/+bug/1592668/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
