[pkg-cryptsetup-devel] Bug#820888: Bug#820888: cryptsetup: initramfs cryptroot zfs support

[Guilhem Moulin]

(Adding the BTS to CC, hopefully you didn't mean to reply to me
privately.)

On Tue, 13 Sep 2016 at 22:47:12 +0200, François Scala wrote:
> I don't understand why do you need an Debian installer package for ZFS.

We test for regressions by making an automated (preseeded), throw-away,
minimal installation for each particular configuration (including disk
partitioning).

Anyway, AFAICT the problem is orthogonal to ZFS per se: it's related to
the handling of the root= kernel parameter in the cryptroot initramfs
boot script.

> This is how I've was able to make this quick fix :
> https://github.com/arcenik/debian-zfs-root/blob/master/d8zlroot.sh (line
> 278)

Still, I don't understand how that can solve your problem.  Granted this
wasn't with a ZFS mount, but passing “root=ZFS=rpool/ROOT/debian-1” and
“cryptops=source=/dev/sda2,target=cryptroot,lvm=vg_sys-lv_zroot” to the
initrd, the NEWROOT variable is properly set to “/dev/mapper/$cryptlvm”
as cmdline_root is left empty.

Could you please enable the debugging in the cryptroot initramfs script?
I know nothing about ZFS, and it'll be faster than me trying to learn it
:-P

-- 
Guilhem.
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