If you want to try yourself, this is what worked for me on a E550,
Ubuntu 15.10:
uname -a
# check your current kernel version, then download the same version
# note, no root!
apt-get source linux-image-extra-4.2.0-19-generic
# install packages needed to build the kernel
sudo apt-get build-dep linu
For reference, I updated, tested, and submitted the patch by lauri-lyly
to the KDE reviewboard:
https://git.reviewboard.kde.org/r/125721/
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https://bugs.launchpad.net/bugs/635026
Title
I retract my previous comment, sorry about that. Random numbers are not
written by blockdev-wipe as I assumed.
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https://bugs.launchpad.net/bugs/945001
Title:
Erase data very slow compar
I don't think the request makes much sense.
Overwriting the hard disk with random numbers (instead of zeros as proposed) is
what takes time.
However, this is an essential part of hard drive encryption and should not be
substituted by overwriting with zeros.
In short, well-encrypted data looks li
