[Bug 1585587] Re: Missing unix.ko in 4.6 initrd prevents LVM boot

[knz]

Workaround:

add "unix" and "unix_diag" to /etc/initramfs-tools/modules.

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https://bugs.launchpad.net/bugs/1585587

Title:
  Missing unix.ko in 4.6 initrd prevents LVM boot

Status in initramfs-tools package in Ubuntu:
  New
Status in lvm2 package in Ubuntu:
  New

Bug description:
  Somehow recently the default kernel config for kernel 4.6 was changed
  from CONFIG_UNIX=y to CONFIG_UNIX=m.

  This however prevents systems with full disk encryption to start
  properly, as the lvm encryption tools require unix sockets during set-
  up in the initrd.

  The proper fix would either be to restore CONFIG_UNIX=y or to force
  the unix.ko module to always be included (and loaded) in the initrd.
  The latter is likely to be the better approach, thus filing this
  against initramfs-tools.

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