[Bug 1269731] Re: init crashed with SIGSEGV

[James Hunt]

This bug is fixed in upstart 1.11-0ubuntu2 which will be pushed out once
the alpha 2 freeze is over (Thurday).

If you are still affected by this problem (in other words you have not
managed to upgrade to alsa-utils 1.0.27.2-1ubuntu2), you will need to do
*one* of the following:

1) Disable upstart re-exec whilst running the upgrade:

    $ sudo su -
    # mkdir /root/bin
    # ln -s /bin/true /root/bin/telinit
    # chmod 755 /root/bin/telinit
    # export PATH=/root/bin:$PATH
    # dpkg --configure -a && sudo apt-get update && sudo apt-get upgrade

2) Temporarily move the invalid alsa job file aside whilst performing
the upgrade

    $ sudo mkdir /root/tmp/
    $ sudo mv /etc/init/alsa-*.conf /root/tmp/
    $ sudo dpkg --reconfigure -a && sudo apt-get update && sudo apt-get upgrade
    $ sudo mv /root/tmp/alsa-*.conf /etc/init/

I'd recommend doing (1) as it does not require you to "undo" anything
(as required in the final 'mv' operation in (2) above).

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https://bugs.launchpad.net/bugs/1269731

Title:
  init crashed with SIGSEGV

Status in Upstart:
  Fix Committed
Status in “alsa-utils” package in Ubuntu:
  Fix Released
Status in “upstart” package in Ubuntu:
  Fix Committed

Bug description:
  
  $ telinit U

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: upstart 1.11-0ubuntu1
  ProcVersionSignature: Ubuntu 3.12.0-8.16-generic 3.12.6
  Uname: Linux 3.12.0-8-generic x86_64
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: amd64
  Date: Thu Jan 16 08:03:58 2014
  ExecutablePath: /sbin/init
  ExecutableTimestamp: 1384521990
  InstallationDate: Installed on 2012-12-22 (389 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  ProcCmdline: /sbin/init
  ProcCwd: /
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
  ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-3.12.0-8-generic root=UUID=8905185c-9d82-498c-970c-6fdb9ee07c45 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7f1191eb98d9:	mov    0x20(%rax),%rsi
   PC (0x7f1191eb98d9) ok
   source "0x20(%rax)" (0x00000020) not located in a known VMA region (needed readable region)!
   destination "%rsi" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: upstart
  StacktraceTop:
   ?? ()
   ?? ()
   ?? ()
   ?? ()
   ?? ()
  Title: init crashed with SIGSEGV
  UpgradeStatus: Upgraded to trusty on 2013-06-19 (210 days ago)
  UpstartBugCategory: System
  UpstartRunningSystemVersion: init (upstart 1.11)
  UserGroups:
   
  _LogindSession: /
  _MarkForUpload: True
  modified.conffile..etc.NetworkManager.NetworkManager.conf: [modified]
  modified.conffile..etc.default.whoopsie: [modified]
  modified.conffile..etc.libvirt.qemu.networks.default.xml: [modified]
  mtime.conffile..etc.NetworkManager.NetworkManager.conf: 2013-12-11T09:58:09.227262
  mtime.conffile..etc.default.whoopsie: 2013-12-19T16:30:43.528594
  mtime.conffile..etc.libvirt.qemu.networks.default.xml: 2013-06-29T21:43:59.656854

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