[Bug 1796438] Re: cryptsetup-initramfs: error message is displayed at initramfs stage when cryptsetup is not included to the initrd

[Gordon Lack]

NOTE that mlst of the problem is the use of "may not", which means "is
not allowed to".

"might not" ("appears not to") is probably intended.

Simply saying "This initramfs image does not contain cryptsetup binaries
nor crypto modules." would be even clearer.

As written it gives the impression that you are erroneously trying to
put cryptsetup code into initramfs when that is actually not allowed.
It's that which worries people.

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https://bugs.launchpad.net/bugs/1796438

Title:
  cryptsetup-initramfs: error message is displayed at initramfs stage
  when cryptsetup is not included to the initrd

Status in cryptsetup package in Ubuntu:
  Confirmed

Bug description:
  In ubuntu 18.10, error message is displayed at initramfs stage when
  cryptsetup is not included to the initrd.

  vmware at ubuntu-18.10:~$ sudo update-initramfs -u
  [sudo] password for vmware: 
  update-initramfs: Generating /boot/initrd.img-4.18.0-8-generic
  cryptsetup: WARNING: The initramfs image may not contain cryptsetup binaries 
      nor crypto modules. If that's on purpose, you may want to uninstall the 
      'cryptsetup-initramfs' package in order to disable the cryptsetup initramfs 
      integration and avoid this warning.
  rmdir: failed to remove '/var/tmp/mkinitramfs_mxUIaj/var/cache/ldconfig': No such file or directory
  vmware at ubuntu-1810:~$ 

  There is a bug in Debian: 
  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901830

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