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

[Ben Hutchings]

On Mon, 2018-08-06 at 14:40 +0100, Ian Campbell wrote:
> On Mon, 2018-08-06 at 21:15 +0800, Ben Hutchings wrote:
> > > Inspecting the initramfs shows that the cryptsetup related parts are
> > > missing for 4.17, but still in the 4.16 kernel.
> > > 
> > > I was able to mitigate the issue by use the cryptsetup packages from
> > > buster.
> > 
> > This is strange.  Kernel packages do not determine what goes into the
> > initramfs.
> 
> Possibly the cryptsetup package changed (and become broken). Then the
> 4.17 initramfs was (re)built (due to the install/upgrade of that
> kernel) while the 4.16 initramfs wasn't rebuilt.

In stable?  (There's no backport of cryptsetup.)

> I expected that there were be triggers in place which should have
> caused the 4.16 initramfs (in fact, all initramfses) to be updated if a
> relevant package (e.g. cryptsetup) was changed, but perhaps that was
> more in hope than expectation and it's only an initramfs-tools update
> which would trigger that?

Installing or upgrading cryptsetup will trigger an update of the newest
installed kernel version's initramfs.

Ben.

-- 
Ben Hutchings
Larkinson's Law: All laws are basically false.

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