[pkg-cryptsetup-devel] Bug#905574: linux-image-4.17.0-0.bpo.1-amd64: cryptsetup missing in intitramfs for kernel 4.17

[Guilhem Moulin]

On Mon, 06 Aug 2018 at 21:15:10 +0800, Ben Hutchings wrote:
> Sometimes driver modules have been reorganised and this has resulted
> in missing modules.  But this wouldn't explain other files being
> missing.

cryptsetup's initramfs boot scripts should be present either way, but
inclusion of the cryptsetup binaries (and crypto modules) depend on
whether the hook detected that some device has to be unlocked at
initramfs stage.  (Unless /etc/cryptsetup-initramfs/conf-hook contains
"CRYPTSETUP=y", which indeed forces initramfs integration.)

Dirk, which “cryptsetup related parts” are missing from the 4.17 bpo
initramfs with cryptsetup 2:1.7.3-4?  Does `update-initramfs -u` print
any warning about unknown module and/or root FS?  Can you confirm that
adding "CRYPTSETUP=y" to /etc/cryptsetup-initramfs/conf-hook (and
compiling your initramfs image with MODULES="most" — the default) fixes
the issue?

-- 
Guilhem.
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