[Bug 1247396] Re: Laptop built-in keyboard is not working after ubuntu 13.10 upgrade and using kernel 3.11.0-12-generic

[Philip Peitsch]

Saiph, have you seen this link:
http://stevesubuntutweaks.blogspot.com.au/2013/10/laptop-keyboard-
stopped-working-after.html?

>From that article:

A bit of head scratching, and plugging in a separate USB keyboard
allowed me to type again. But that isn't quite an optimal solution. A
bit of Googling led me to the following bug report for someone else with
an LG laptop. Going by the eighth comment in that, it turns out a couple
of options have to be added to the grub menu, by editing the
/etc/default/grub file. In my case, the file had the following line:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"

I added two options to the end, so it became:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i8042.nopnp=1 i8042.dumbkbd=1"

Saved the file, and ran sudo update-grub to let the changes apply, and
rebooted. I am now typing this blog post on the working laptop keyboard!

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https://bugs.launchpad.net/bugs/1247396

Title:
  Laptop built-in keyboard is not working after ubuntu 13.10 upgrade and
  using kernel 3.11.0-12-generic

Status in “initramfs-tools” package in Ubuntu:
  New

Bug description:
  I have an LG S1 Express Dual laptop and after upgrading to ubuntu
  13.10 my keyboard stopped working when the default kernel is used
  (3.11.0-12-generic). Even the ESC key does not work during the boot
  phase to see the booting messages. Basically I can't do anything, I
  get stuck in the login screen. If I choose the old kernel
  3.8.0-31-generic, it works without any problem.

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