[Bug 1580984] Re: procps postinst fails when inside lxd

[Serge Hallyn]

procps has a patch to sysctl.c to ignore EACCESS.  I guess systemd's
systemd-sysctl needs the same kind of patch.


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

** Changed in: lxd (Ubuntu)
       Status: Confirmed => Invalid

** Changed in: systemd (Ubuntu)
       Status: New => Confirmed

** Changed in: systemd (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1580984

Title:
  procps postinst fails when inside lxd

Status in lxd package in Ubuntu:
  Invalid
Status in systemd package in Ubuntu:
  Confirmed

Bug description:
  lxc launch ubuntu:xenial test
  lxc exec test bash
  systemctl status systemd-sysctl.service  # note that this is failed
  dpkg-reconfigure procps  # this attempts to start the service and fails with exit status 1

  update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults
  Job for systemd-sysctl.service failed because the control process exited with error code. See "systemctl status systemd-sysctl.service" and "journalctl -xe" for details.
  invoke-rc.d: initscript procps, action "start" failed.

  This causes a dist-upgrade from wily inside a container to fail.
  Workaround: "systemctl mask systemd-sysctl.service" before doing
  anything.

  I see that /lib/systemd/system/systemd-sysctl.service already defines
  "ConditionPathIsReadWrite=/proc/sys/". If this is expected to work,
  presumably it isn't?

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