polkitd, dbus-daemon CPU usage high, system very slugish

Bug #1312403 reported by Andy Howell on 2014-04-24
This bug affects 2 people
Affects Status Importance Assigned to Milestone
policykit-1 (Ubuntu)

Bug Description

After upgrading from 13.10 to 14.04, polkitd uses 60+% CPU and system is VERY sluggish. Killing polkitd "fixes" the problem. This only happens at boot. I've left the machine idle for 10 minutes, and still polkitd and dbus-daemon are taking lots of CPU.

Sometimes NetworkManager as well takes a lot of CPU. Again, after killing polkitd after boot-up, the problem goes away. polkitd gets restarted and the system is responsive.

I didn't have this problem in 13.10 and previous releases.

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tags: added: bot-comment
Quinn Balazs (qbalazs) on 2014-04-24
affects: ubuntu → policykit-1 (Ubuntu)
obyvatel (obyvatel) wrote :

server 12.04 the same issue.
Polkitd process consuming all unassigned cpu time.
I spotted it yesterday

Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in policykit-1 (Ubuntu):
status: New → Confirmed
menner (menner) wrote :

Lubuntu 14.04:
The problem isn't always there. But sometimes I see policykit, cgmanager, dbus-daemon, init, systemd-logind and NetworkManager eating up all CPU power. The desktop is almost unusabe. The problem remains for a long time after system start.

 1575 25,3 0,3 3:04.39 polkitd
  284 18,1 0,1 1:53.60 cgmanager
  465 18,1 0,1 1:31.36 dbus-daemon
    1 10,8 0,1 0:31.61 init
  692 10,8 0,1 1:18.63 systemd-logind
 1625 7,2 0,3 0:42.71 NetworkManager

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