[Bug 1054292] [NEW] [xorg-edgers] hid_generic module missing from initramfs

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After enabling the xorg-edgers PPA on my Precise system, I could no
longer type the password to unlock my encrypted root filesystem at boot.
It turns out there's a new module in linux-3.5.0-* called "hid_generic"
that needs to be included in the initrd so that USB keyboards can be
used during bootstrapping.

The auto_add_modules() function in /usr/share/initramfs-tools/hook-
functions from the Quantal version of initramfs-tools copies the module
to the initramfs; see bug #1017991 and
<https://launchpadlibrarian.net/108712220/initramfs-
tools_0.103ubuntu0_0.103ubuntu0.1.diff.gz>.  Perhaps initramfs-tools
should be backported to the xorg-edgers PPA.

I worked around the problem by adding "hid_generic" to /etc/initramfs-
tools/modules, but I don't know if this will cause problems if I switch
back to a linux-3.2.0-* kernel (which doesn't have this module).

$ cat /proc/version_signature 
Ubuntu 3.5.0-15.22-generic 3.5.4
$ lsb_release -rd
Description:    Ubuntu 12.04.1 LTS
Release:        12.04

** Affects: initramfs-tools (Ubuntu)
     Importance: Undecided
         Status: New

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[xorg-edgers] hid_generic module missing from initramfs
https://bugs.launchpad.net/bugs/1054292
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