Comment 14 for bug 1255610

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}])
...