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Bug#1028250: debian-installer: broken cryptsetup support



Hi kibi,

On Sat, 01 Apr 2023 at 00:36:35 +0200, Cyril Brulebois wrote:
> Cyril Brulebois <kibi@debian.org> (2023-03-26):
>> I'm happy to have the patches included, and I can definitely live with
>> possible temporary regressions (should that happen) that might arise
>> from having them.
>
> Pre-upload testing shows that the situation seems unchanged with
> 2:2.6.1-3~deb12u1: encrypted LVM still OOMK's with otherwise default
> options in the installer, when the VM is started with `kvm -m 1G`;
> that's fine with `kvm -m 1.2G` so at least it didn't seem to regress
> from the previous d-i release, and I've decided to continue d-i preps
> accordingly.

Ah right, reopened the upstream issue but forgot to follow-up here :-(
https://gitlab.com/cryptsetup/cryptsetup/-/issues/802#note_1328592911

As I wrote in the upstream BTS the patch appears to be incomplete,
AFAICT it helps in the PBKDF benchmark but just like you I also noticed
it still sometimes fails while running the keyslot key derivation.
Unfortunately I only found that out *after* uploading ~deb12u1…  It was
premature to think one could remove the errata from the bookworm d-i,
but at least I'm quite confident that does not make the OOMK issue
worse: it solves it at early stage but but it sometimes still trigger
later.

From a user perspective, I guess it's best to stick to the errata for
now (at least for the graphical installer; in text mode 1G RAM appear to
be enough according to my tests).  Depending on what upstream comes up
with we might suggest to fix that via s-p-u later.

Thanks to you, elbrus, an other Release Team members for everything!
-- 
Guilhem.

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