Possibly dupe with #1173915?
I too am seeing 100% cpu on initctl, after a nearly three month uptime
on 14.04:
Linux dorset.bryceharrington.org 3.13.0-35-generic #62-Ubuntu SMP Fri
Aug 15 01:58:42 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
# cat /proc/1327/stack
[<ffffffffffffffff>] 0xffffffffffffffff
# uptime
17:24:15 up 87 days, 13:54, 9 users, load average: 1.00, 1.01, 1.05
# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.1 LTS
Release: 14.04
Codename: trusty
# ls -l /proc/1327/fd
total 0
lrwx------ 1 root root 64 Feb 11 02:39 0 -> /dev/null
lrwx------ 1 root root 64 Feb 11 02:39 1 -> /dev/pts/24
lrwx------ 1 root root 64 Feb 11 02:39 2 -> /dev/pts/24
lrwx------ 1 root root 64 Feb 11 02:39 3 -> socket:[9674]
# lsof | grep 9674
lsof: WARNING: can't stat() nfs4 file system /srv/Backup
Output information may be incomplete.
lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs
Output information may be incomplete.
initctl 1327 root 3u unix 0xffff8807ef6f2680 0t0
9674 socket
# strace -p 9674
...
poll([{fd=3, events=POLLIN}], 1, 1023162120) = 1 ([{fd=3, revents=POLLIN}])
poll([{fd=3, events=POLLIN}], 1, 1023162112) = 1 ([{fd=3, revents=POLLIN}])
poll([{fd=3, events=POLLIN}], 1, 1023162103) = 1 ([{fd=3, revents=POLLIN}])
poll([{fd=3, events=POLLIN}], 1, 1023162095) = 1 ([{fd=3, revents=POLLIN}])
poll([{fd=3, events=POLLIN}], 1, 1023162087) = 1 ([{fd=3, revents=POLLIN}])
poll([{fd=3, events=POLLIN}], 1, 1023162078) = 1 ([{fd=3, revents=POLLIN}])
poll([{fd=3, events=POLLIN}], 1, 1023162070) = 1 ([{fd=3, revents=POLLIN}])
...
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to upstart in Ubuntu.
https://bugs.launchpad.net/bugs/1255610
Title:
100% CPU usage with "initctl emit plymouth-ready" process
Status in upstart package in Ubuntu:
Confirmed
Bug description:
root 977 99.1 2.7 98668 93964 ? R 12:59 453:31
initctl emit plymouth-ready
this makes my CPU very hot, I don't know how to debug deeper. Any
ideas?
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: upstart 1.10-0ubuntu7
ProcVersionSignature: Ubuntu 3.11.0-13.20-generic 3.11.6
Uname: Linux 3.11.0-13-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.12.5-0ubuntu2.1
Architecture: i386
Date: Wed Nov 27 20:46:04 2013
InstallationDate: Installed on 2012-03-12 (625 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120301)
MarkForUpload: True
ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-3.11.0-13-generic
root=UUID=d0d8bf63-cf4c-479f-9091-1f14156a902f ro quiet splash
SourcePackage: upstart
UpgradeStatus: Upgraded to saucy on 2013-10-21 (37 days ago)
UpstartBugCategory: System
UpstartRunningSessionVersion: init (upstart 1.10)
UpstartRunningSystemVersion: init (upstart 1.10)
modified.conffile..etc.at.deny: [inaccessible: [Errno 13] Permission denied:
'/etc/at.deny']
modified.conffile..etc.init.d.networking: [modified]
mtime.conffile..etc.init.d.networking: 2013-08-27T01:19:11
upstart.upstart-file-bridge.log:
Job got added /com/ubuntu/Upstart/jobs/unicast_2dlocal_2davahi
Job got added /com/ubuntu/Upstart/jobs/update_2dnotifier_2dcrash
Job got added /com/ubuntu/Upstart/jobs/update_2dnotifier_2drelease
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/upstart/+bug/1255610/+subscriptions
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