Bug#883361: lvm2-udeb: breaks plain LVM and encrypted LVM support in debian-installer

[Cyril Brulebois]

Control: tag -1 patch pending
Control: reopen 504341

Cyril Brulebois <kibi at debian.org> (2017-12-03):
> Current netboot buster images have broken LVM support (selecting normal
> LVM or encrypted LVM leads to a freeze of the d-i UI) and have had that
> since the switch from the 20171114T160649Z to the 20171115T035204Z
> dinstall, which contain these updates for amd64 udebs:
[…]
> This is blocking the Buster Alpha 2 release, so an urgent fix would be
> appreciated.
> 
> Changes like “* Enable udev rules in udeb. (closes: #504341)” might have
> been requested years ago, but some kind of heads-up on debian-boot@ about
> upcoming changes to lvm support in d-i would really have been appreciated…

So I've verified that this commit is indeed the culprit:
| commit f8485bf638d89d48d5a77b924434cbce1f4e96b8
| Author: Bastian Blank <waldi at debian.org>
| Date:   Thu Nov 9 19:40:00 2017 +0100
| 
|     Enable udev rules in udeb
|     
|     Closes: #504341

and I've checked that reverting it on top of -4 (which isn't published
in your git repository by the way) makes d-i work again for both plain
LVM and encrypted LVM use cases.

Since that was an uncoordinated change, meaning to help d-i & installed
system to agree on device names, and since it's actually breaking LVM
support in d-i, I've just uploaded an NMU reverting this change. You'll
find the source debdiff attached, and I'm reopening the other bug report
with this message.


KiBi.
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