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[Launchpad Bug Tracker <1391496@xxxxxxxxxxxxxxxxxx>]

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I have upgraded from Ubuntu 14.04 to 14.10. My whole disk is encrypted
with luks and since the upgrade I have found I can no longer unlock my
disk at boot. The enter password screen appears, but typing does not
cause any characters to appear in the password box. However, if I hit
ctrl-alt f7 (not sure of the precise function key) I get a black screen
with a flashing white cursor and I can see the password that I entered.
This would seem to imply that this is not a problem with the usb
drivers, as has been reported in other similar bugs. It's as if the
focus is simply in the wrong place at the time when I need to enter my
password. Entering the password anyway and pressing enter has no effect.

By using Grub to select the previous kernel, I can then decrypt my disk
and use the system as normal. The working kernel version is
3.13.0-39-generic. The problematic kernel is 3.16.0-24-generic.

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


** Tags: bot-comment
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Can not enter password to decrypt disk at boot
https://bugs.launchpad.net/bugs/1391496
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