[Bug 1257880] [NEW] Runaway init --user consuming CPU and RAM

[Michael Hall]

Public bug reported:

My Unity 8 froze on my Nexus 4.  After connecting it to USB and adb
shell, I found that 'init --user' was using 100% CPU and 60% RAM (> 1g).
I ran "ubuntu-bug upstart" while it was still running to try and gather
any information about what it was doing.

root at ubuntu-phablet:/# system-image-cli -i
current build number: 32
device name: mako
channel: trusty
last update: 2013-11-27 13:22:03
version version: 32
version ubuntu: 20131126.2
version device: 20131126

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: upstart 1.11-0ubuntu1
Uname: Linux 3.4.0-3-mako armv7l
ApportVersion: 2.12.7-0ubuntu1
Architecture: armhf
Date: Wed Dec  4 14:08:43 2013
InstallationDate: Installed on 2013-11-26 (8 days ago)
InstallationMedia: Ubuntu Trusty Tahr (development branch) - armhf (20131126.2)
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 SHELL=/bin/bash
SourcePackage: upstart
UpgradeStatus: No upgrade log present (probably fresh install)
UpstartBugCategory: Session
UpstartRunningSessionCount: 2
UpstartRunningSystemVersion: init (upstart 1.11)
upstart.tty1.override: manual
upstart.tty2.override: manual
upstart.tty3.override: manual
upstart.tty4.override: manual
upstart.tty5.override: manual
upstart.tty6.override: manual

** Affects: upstart (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug armhf avengers trusty

** Attachment added: "top running over adb shell"
   https://bugs.launchpad.net/bugs/1257880/+attachment/3923302/+files/Screenshot%20from%202013-12-04%2014%3A01%3A01.png

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https://bugs.launchpad.net/bugs/1257880

Title:
  Runaway init --user consuming CPU and RAM

Status in “upstart” package in Ubuntu:
  New

Bug description:
  My Unity 8 froze on my Nexus 4.  After connecting it to USB and adb
  shell, I found that 'init --user' was using 100% CPU and 60% RAM (>
  1g).  I ran "ubuntu-bug upstart" while it was still running to try and
  gather any information about what it was doing.

  root at ubuntu-phablet:/# system-image-cli -i
  current build number: 32
  device name: mako
  channel: trusty
  last update: 2013-11-27 13:22:03
  version version: 32
  version ubuntu: 20131126.2
  version device: 20131126

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: upstart 1.11-0ubuntu1
  Uname: Linux 3.4.0-3-mako armv7l
  ApportVersion: 2.12.7-0ubuntu1
  Architecture: armhf
  Date: Wed Dec  4 14:08:43 2013
  InstallationDate: Installed on 2013-11-26 (8 days ago)
  InstallationMedia: Ubuntu Trusty Tahr (development branch) - armhf (20131126.2)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   SHELL=/bin/bash
  SourcePackage: upstart
  UpgradeStatus: No upgrade log present (probably fresh install)
  UpstartBugCategory: Session
  UpstartRunningSessionCount: 2
  UpstartRunningSystemVersion: init (upstart 1.11)
  upstart.tty1.override: manual
  upstart.tty2.override: manual
  upstart.tty3.override: manual
  upstart.tty4.override: manual
  upstart.tty5.override: manual
  upstart.tty6.override: manual

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