[Bug 2114156] Re: crypttab breaks display controls

[Ravi Kant Sharma]

Thank you for taking the time to report this bug and helping to make
Ubuntu better.

Could you test this on Ubuntu 24-04?

You could also try https://discourse.ubuntu.com/c/support-and-help/306
and https://discourse.ubuntu.com/c/flavors/xubuntu/196

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https://bugs.launchpad.net/bugs/2114156

Title:
  crypttab breaks display controls

Status in cryptsetup package in Ubuntu:
  New

Bug description:
  Following a clean installation of XUbuntu 24-04 (updated) and then
  "apt update" and "apt upgrade"

  I did "apt install cryptsetup" and hand editted /etc/crypttab and
  /etc/fstab to point to a pre-existing encrypted partition that had
  been created using the same methods.  Then I re-booted.

  During boot, there is a brown text box, but it seems the keyboard is
  not recognised.

  So instead I use the recovery mode on both screens ("advanced options"
  and "recovery mode") and type the password amongst the boot log text.
  Then login proceeds correctly, with the encrypted partition mounted
  and readable.

  But in addition to this, the Fn-F8/F9 keys, which without cryptsetup
  controlled the screen brightness, no longer do that.

  Moreover, in Settings/Display, the laptop screen, which had been
  called "laptop" without cryptsetup, is now called "None".

  Also, an external LCD monitor connected by an HDMI cable, which had
  been recognised without cryptsetup, is no longer recognised.

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