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[Rodrigo <rodri84cels@xxxxxxxxx>]

Happens to me too,  Ubuntu 15.04 on lenovo t450s

After the kernel update to 3.19.0-30, the keyboard doesn't work, if I
select the  3.19.0-28 it works.

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https://bugs.launchpad.net/bugs/1238194

Title:
  keyboard doesn't work to enter password with encrypted partitions
  ubuntu 13.10 saucy

Status in initramfs-tools package in Ubuntu:
  Fix Released
Status in initramfs-tools source package in Precise:
  Fix Released
Status in initramfs-tools source package in Saucy:
  Fix Released

Bug description:
  [Justification]
  With the kernel in 13.10, some systems use a different USB host driver than previously.  Failing to include this driver in the initramfs causes regressions for users who need to interact with the system in early boot using a USB keyboard, such as users with an encrypted root filesystem.  Such systems are not bootable with this host driver missing.

  [Test case]
  1. On an affected system, reboot to a kernel from 13.04.
  2. Install the initramfs-tools package from -proposed.
  3. Reboot to the kernel from 13.10.
  4. Verify that you are able to type your passphrase at the prompt in the initramfs.

  [Regression potential]
  Minimal.  The update-initramfs script will ignore missing modules (such as the many other modules in the list which are built-ins), and the only change made is to copy the module into the initramfs: it will only be loaded in the initramfs if udev determines it's needed, just as it would load it after switching to the root filesystem.

  
  Is the same problem as here but in the new ubuntu 13.10 saucy https://bugs.launchpad.net/bugs/1066376

  I just can't use (i can install) a encrypted partition because when is
  time to introduce the password to unlock partition keyboard is not
  working.

  I don't know how to edit a bug to report it afects other version of
  ubuntu so i created this new bug...

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