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[Bug 1501497] [NEW] Cannot enter passphrase during boot to decrypt root filesystem

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From: Launchpad Bug Tracker <1501497@xxxxxxxxxxxxxxxxxx>
Date: Thu, 01 Oct 2015 16:44:06 -0000
Reply-to: Bug 1501497 <1501497@xxxxxxxxxxxxxxxxxx>
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I have DELL XPS 13 9343-2258 i7-5500U. with  ubuntu 15.04  and encrypted root filesystem.
A few days ago it received system upgrade which updated linux kernel to 3.19.0-30-generic
Since then I cannot type password for decrypting root filesystem during boot.
Just after I turn on computer, usual graphical screen with "Enter passphrase" text and edit box appears but any character I type is not entered into edit box but shows up in the top-left corner of the screen. Pressing enter starts a new line of text in that corner.

I can workaround this problem by entering grub menu and choosing to boot
with configuration for previous kernel (3.19.0-28-generic). When started
this way, enter passphrase screen works correctly - typed characters
ends up inside edit box.

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

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Cannot enter passphrase during boot to decrypt root filesystem
https://bugs.launchpad.net/bugs/1501497
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