I'm experiencing the same problem. Memory consumption of polkitd process is still increasing without Multi-Core System Monitor. With Multi-Core System Monitor, it increases much faster. I think it must be a memory leak of polkitd.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to policykit-1 in Ubuntu. https://bugs.launchpad.net/bugs/1470235 Title: PolicyKit high memory usage Status in policykit-1 package in Ubuntu: Confirmed Bug description: Periodically I install updates on my computer and reboot without logging in. When I come back to my computer and log in, polkitd is using a large chunk of memory. At the moment it's using > 2.3 GiB of memory on a machine with 8 GB RAM: $ ps aux | grep polkit root 1229 0.4 29.8 2652532 2420916 ? Sl Jun19 67:38 /usr/lib/policykit-1/polkitd --no-debug Killing the process frees the memory until I reboot again. I'm currently using the latest version of policykit-1: $ apt-file search /usr/lib/policykit-1/polkitd policykit-1: /usr/lib/policykit-1/polkitd $ apt-cache policy policykit-1 policykit-1: Installed: 0.105-4ubuntu2.14.04.1 Candidate: 0.105-4ubuntu2.14.04.1 Version table: *** 0.105-4ubuntu2.14.04.1 0 500 http://ca.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages 100 /var/lib/dpkg/status 0.105-4ubuntu2 0 500 http://ca.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages $ sudo apt-get upgrade policykit-1 Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done policykit-1 is already the newest version. Other information: $ lsb_release -rd Description: Ubuntu 14.04.2 LTS Release: 14.04 ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: policykit-1 0.105-4ubuntu2.14.04.1 ProcVersionSignature: Ubuntu 3.16.0-41.55~14.04.1-generic 3.16.7-ckt11 Uname: Linux 3.16.0-41-generic x86_64 NonfreeKernelModules: fglrx ApportVersion: 2.14.1-0ubuntu3.11 Architecture: amd64 Date: Tue Jun 30 16:14:51 2015 InstallationDate: Installed on 2014-08-25 (309 days ago) InstallationMedia: Xubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140723) ProcEnviron: LANGUAGE=en_CA:en TERM=xterm PATH=(custom, no user) LANG=en_CA.UTF-8 SHELL=/bin/bash SourcePackage: policykit-1 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/policykit-1/+bug/1470235/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp