[Bug 2114156] Re: crypttab breaks display controls

[Paul Taylor]

Please would someone give some attention to this bug, or at least
explain to me how I am supposed to mount my encrypted partition in the
place where I want it.

Instead of naming it in crypttab and fstab, I can just mount my
partition from the file explorer after boot and login, although then it
is mounted as /media/pt/paul

This was fine until I wanted to review webpages using apache2.

This required "sudo chmod a+rx /media/pt"

Now the display controls are broken again, as above.  However, it does
not happen immediately when I do the chmod but some time later.

Whereas the problem as I first reported it is reproducible in an out-of-
the-box  installation, I don't see how to do so with this new variation.

To be clear regarding my original report, I got the same result with
both XUbuntu 24.04 and Asmi 24.04, on two laptops from different
manufacturers.

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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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