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[Bug 1430479] Re: "telinit u" under upstart with systemd-sysv installed runs systemd

 

** Also affects: upstart (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: upstart (Ubuntu)
   Importance: Undecided => Critical

** Description changed:

  I've today had two machines kill my X session during dist-upgrade, and
  it happened during libc6 postinst. Dmesg shows that systemd got somehow
  started during the earlier phase of the upgrade. X logs show a failure
  with "(EE) Cannot establish any listening sockets" etc..
  
  Adam can fill in the more detailed analysis of what's happening there..
  but I think it should be fairly easy to reproduce by installing vivid
  from an earlier image and dist-upgrading to current, if needed.
  
  Reproducer:
   - Start with a standard utopic VM (e. g. adt-buildvm-ubuntu-cloud -r utopic)
   - Switch apt sources to vivid
   - sudo apt install systemd-sysv
-  - sudo telinit u
+  - sudo telinit u  # systemd command, forwards to upstart's /lib/sysvinit/telinit
+  - Or directly: sudo /lib/sysvinit/telinit u

** Summary changed:

- "telinit u" under upstart with systemd-sysv installed runs systemd
+ "telinit u" under upstart (upstart's Restart command) with systemd-sysv installed runs systemd

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https://bugs.launchpad.net/bugs/1430479

Title:
  "telinit u" under upstart (upstart's Restart command) with systemd-
  sysv installed runs systemd

Status in systemd package in Ubuntu:
  In Progress
Status in upstart package in Ubuntu:
  New

Bug description:
  I've today had two machines kill my X session during dist-upgrade, and
  it happened during libc6 postinst. Dmesg shows that systemd got
  somehow started during the earlier phase of the upgrade. X logs show a
  failure with "(EE) Cannot establish any listening sockets" etc..

  Adam can fill in the more detailed analysis of what's happening
  there.. but I think it should be fairly easy to reproduce by
  installing vivid from an earlier image and dist-upgrading to current,
  if needed.

  Reproducer:
   - Start with a standard utopic VM (e. g. adt-buildvm-ubuntu-cloud -r utopic)
   - Switch apt sources to vivid
   - sudo apt install systemd-sysv
   - sudo telinit u  # systemd command, forwards to upstart's /lib/sysvinit/telinit
   - Or directly: sudo /lib/sysvinit/telinit u

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References