This rescue mode is a permanent PITA for me.  I've been trying to do lowlevel 
disk recovery only to have something signal to the systemd to go multiuser.  
Alternative keystrokes are sent to 
1.  the recovery root level shell
2.  the systemd menu. 

I've worked around this when needed by booting an Ubuntu CD or live USB and 
trying
to work from there -- but this shouldn't be necessary.  I like the recovery 
menu and it was
easy to work an end-user through recovery with it when it works.   It's worse 
than non-helpful in the current stage.

I could live with being in a standalone shell without the menu if that would 
let me fix
the system.  We need a way to block systemd from changing run levels without a 
direct
command to do so... or a complete exit of the recovery shell.  It definitely 
gets some signal
that wakes it up and at times screws up recovery to the point of needing a 
reload.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1609475

Title:
  Recovery mode won't allow recovery after manually installing the OS
  incorrectly

Status in linux package in Ubuntu:
  Opinion

Bug description:
  If one manually installs Ubuntu but doesn't install a boot partition,
  the recovery mode doesn't work.

  The expectation (perhaps naively) is that the recovery mode is
  bootable and allows one to fix the situation.

  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 
k4.4.0-31-generic.
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', 
'/dev/snd/hwC0D2', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D1p', 
'/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
  Card0.Amixer.info: Error: [Errno 2] No such file or directory
  Card0.Amixer.values: Error: [Errno 2] No such file or directory
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=8c695f64-12a0-4748-a431-7ab97a1e9042
  InstallationDate: Installed on 2016-08-04 (33 days ago)
  InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
  IwConfig: Error: [Errno 2] No such file or directory
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 8087:0a2a Intel Corp.
   Bus 001 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
  Package: linux (not installed)
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-31-generic.efi.signed 
root=UUID=a91f753b-69af-4125-a03d-0dcb63d55d38 ro net.ifnames=0
  ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-31-generic N/A
   linux-backports-modules-4.4.0-31-generic  N/A
   linux-firmware                            1.157.2
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  xenial
  Uname: Linux 4.4.0-31-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

  _MarkForUpload: True
  dmi.bios.date: 05/03/2016
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: PYBSWCEL.86A.0054.2016.0503.1546
  dmi.board.name: NUC5CPYB
  dmi.board.vendor: Intel Corporation
  dmi.board.version: H61145-407
  dmi.chassis.type: 3
  dmi.modalias: 
dmi:bvnIntelCorp.:bvrPYBSWCEL.86A.0054.2016.0503.1546:bd05/03/2016:svn:pn:pvr:rvnIntelCorporation:rnNUC5CPYB:rvrH61145-407:cvn:ct3:cvr:

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