[Bug 1608290] [NEW] rescue mode should mount /dev/pts

[Doug Goldstein]

Public bug reported:

I recently installed Ubuntu 16.04.1 Server (amd64) and unrelated to this
issue the installer made some bad assumptions leaving me with a non-
bootable system. I booted the installation media again and selected
"Rescue Mode" and had it drop me to a root shell in my installation. I
proceeded to install a few missing packages and kept getting an error
about posix_openpt() failing due to /dev/pts not being mounted. I did a
simple "mount -t devpts devpts /dev/pts" and all was well. It appears
that /dev/pts is mounted in the live CD environment but not in the
chroot root environment where the root shell is inside the actual
installation.

I'm guessing when the chroot is being setup there's a missing call for
"mount --make-rslave /target/SYSTEM/dev"

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

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https://bugs.launchpad.net/bugs/1608290

Title:
  rescue mode should mount /dev/pts

Status in rescue package in Ubuntu:
  New

Bug description:
  I recently installed Ubuntu 16.04.1 Server (amd64) and unrelated to
  this issue the installer made some bad assumptions leaving me with a
  non-bootable system. I booted the installation media again and
  selected "Rescue Mode" and had it drop me to a root shell in my
  installation. I proceeded to install a few missing packages and kept
  getting an error about posix_openpt() failing due to /dev/pts not
  being mounted. I did a simple "mount -t devpts devpts /dev/pts" and
  all was well. It appears that /dev/pts is mounted in the live CD
  environment but not in the chroot root environment where the root
  shell is inside the actual installation.

  I'm guessing when the chroot is being setup there's a missing call for
  "mount --make-rslave /target/SYSTEM/dev"

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