[dm-crypt] Bug Report to Ubuntu regarding dangerous installer

Arno Wagner arno at wagner.name
Sat Apr 16 00:01:33 CEST 2011

On Fri, Apr 15, 2011 at 09:38:36PM +0200, Claudio Moretti wrote:
> On Fri, Apr 15, 2011 at 18:58, Arno Wagner <arno at wagner.name> wrote:
> > Dear all,
> >
> > I just sent the email below to ubuntu-bugsquad at lists.ubuntu.com.
> > I did not find another way to report a bug without installing
> > Ubuntu (which am an not about to do). If somebody knows a better
> > way or has Ubuntu installed and can file this directly for the
> > installer package, please feel free.
> >
> > I hope this communicates the problem adequately.
> >
> > Arno
> >
> > As far as I know (I'm an Ubuntu user, with a little experience) you can
> choose between automatic and manual partitioning; partitioning options are
> shown here: https://help.ubuntu.com/community/GraphicalInstall and the
> partition step in the installation process is fully described here:
> https://help.ubuntu.com/10.10/installation-guide/i386/module-details.html#di-partition
> If you choose automatic partitioning, you will lose the content of your
> disks, but the system warns you; if you choose manual partitioning and
> delete the dm-crypt partitions to make new ones, I don't see how the
> installer can warn you, aside from telling you you're destroying a partition
> (and if you choose manual partitioning, you should know what can happen,
> otherwise you shouldn't use it).
> In order to use encrypted disks, the installer needs to write the partition
> table: before doing it, it warns you that when writing the partition table
> changes will be written on the disk and you may lose your data.

Huh? Why does it need to write the partition table? LUKS causes
no such requirement...

> In _my_ opinion, the process is quite clear. I see that there may be
> problems, but, well (and with this I don't mean to offend anybody, because I
> made really stupid mistakes with encrypted partitions) if you don't read
> what you're doing, it's not an Ubuntu problem; like if you type that
> uppercase YES while luksFormat-ting a partition and then complain that it
> should have warned you better...

I think this is something else. But I would not know.

Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno at wagner.name 
GnuPG:  ID: 1E25338F  FP: 0C30 5782 9D93 F785 E79C  0296 797F 6B50 1E25 338F
Cuddly UI's are the manifestation of wishful thinking. -- Dylan Evans

If it's in the news, don't worry about it.  The very definition of 
"news" is "something that hardly ever happens." -- Bruce Schneier 

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