GNU bug report logs - #48649
Guix doesn't boot with LUKS root partition

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From: Eric Brown <ecbrown <at> ericcbrown.com>
To: Juraj Hlista <juraj <at> juraj.me>
Cc: 48649 <at> debbugs.gnu.org, Tobias Geerinckx-Rice <me <at> tobias.gr>
Subject: bug#48649: Guix doesn't boot with LUKS root partition
Date: Tue, 08 Jun 2021 12:24:23 -0500

Juraj Hlista <juraj <at> juraj.me> writes:

> There has been some progress. I added this line:
>
> (initrd-modules (cons* "i915" %base-initrd-modules))
>
> to the config and it solved the issue with freezing the laptop.
>
> Not sure how the i915 module is related to LUKS though.
>
> Best Regards,
> J
>
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> On Tuesday, May 25, 2021 7:19 PM, Juraj Hlista <juraj <at> juraj.me> wrote:
>
>> I tried to install Guix on unencrypted partition as well and it works.
>>
>> So to sum up my issue:
>>
>> /dev/nvme0n1p1 - 1.8TB, Linux (83)
>>
>> cryptsetup luksFormat /dev/nvme0n1p1
>> cryptsetup open /dev/nvme0n1p1 luks
>> mkfs.ext4 -L system /dev/mapper/luks
>>
>> mount LABEL=system /mnt
>> mkdir /mnt/etc
>>
>> herd start cow-store /mnt
>>
>> (bootloader
>> (bootloader-configuration
>> (bootloader grub-bootloader)
>> (target "/dev/nvme0n1")))
>> (mapped-devices
>> (list (mapped-device
>> (source (uuid "..."))
>> (target "luks")
>> (type luks-device-mapping))))
>> (file-systems
>> (cons* (file-system
>> (mount-point "/")
>> (device "/dev/mapper/luks")
>> (type "ext4")
>> (dependencies mapped-devices))
>> %base-file-systems)))
>>
>> guix system init /mnt/etc/config.scm /mnt
>> reboot
>>
>> After inserting password to decrypt, I hit enter in boot menu, laptop freezes.
>>
>> Attached are pictures from GRUB.
>>
>> Best Regards,
>> J
>>
>> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
>> On Tuesday, May 25, 2021 2:12 PM, Juraj Hlista juraj <at> juraj.me wrote:
>>
>> > I installed Guix again, there is just single 2TB encrypted partition with ext4 on top.
>> > When booting, there is a prompt asking for a password to decrypt
>> > the partition, then there is the boot menu. When hitting enter the
>> > laptop gets stuck again just like before.
>> > Seems like an issue with grub?
>> > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
>> > On Tuesday, May 25, 2021 1:19 PM, Tobias Geerinckx-Rice me <at> tobias.gr wrote:
>> >
>> > > Juraj,
>> > > Juraj Hlista 写道：
>> > >
>> > > > mount LABEL=system-root /mnt
>> > > > mkdir /mnt/etc /mnt/boot
>> > > > mount LABEL=system-boot /mnt/boot
>> > >
>> > > Guix System doesn't support a separate /boot partition. Seehttp://issues.guix.gnu.org/48172.
>> > > I'll leave this bug unmerged with that one until we're sure that's your only issue:
>> > >
>> > > > I also tried to use unencrypted root partition (basically the
>> > > > > same as above, but without LUKS) and it works.
>> > >
>> > > Also with separate /boot? If so, maybe GRUB happens to look in
>> > > the wrong right place (/ instead of /boot), or something else is
>> > > going on.
>> > > Kind regards,
>> > > T G-R


In my experience, missing video drivers will cause the system to freeze
right when switching to GUI mode.

You may try to append:
nomodeset nosplash

to the grub configuration and get past it, but you will be in "console
mode" but at least you can take steps to get drivers.

Two passwords: it's a wonderful idea.  One for GRUB, which may contain
secrets, and then one to unlock the disk.

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