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Re: GRUB LUKS support is slow?
From: |
Ludovic Courtès |
Subject: |
Re: GRUB LUKS support is slow? |
Date: |
Mon, 18 Dec 2017 10:39:19 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) |
Hi,
Tobias Geerinckx-Rice <address@hidden> skribis:
> Adam Van Ymeren wrote on 16/12/17 at 00:25:
>> On December 15, 2017 5:53:15 PM EST, Mark H Weaver <address@hidden>
>> wrote:
>>> address@hidden (Ludovic Courtès) writes:
>>>
>>>> I have an encrypted root. When GRUB asks me for my passphrase,
>>>> it takes 5–10 seconds after I hit enter before it displays the
>>>> menu; then, once I've selected an entry, it takes another 5 seconds
>>>> or so to boot.
>>>>
>>>> It’s always been this way for me (that’s on UEFI), but I’m
>>>> sufficiently annoyed to write this message today. :-)
>>>>
>>>> Are others experiencing this as well? Any hints?
>>>
>>> I also use a LUKS-encrypted root partition, and the same thing
>>> happens to me. I would guess that the cryptographic operations in
>>> GRUB are not well optimized, but I haven't looked closely.
>>>
>>> Mark
>>
>> Even unoptimized 5-10s seems pretty long. It's not like it has a
>> lot of data to process.
>
> Alas, you'd be wrong :-)
What’s also “reassuring” is that the searching for “grub luks slow”
suggests that the whole world is booting slowly, not just GuixSD users.
:-)
Ludo’.