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Re: Cannot boot GuixSD after system reconfigure

From: Roel Janssen
Subject: Re: Cannot boot GuixSD after system reconfigure
Date: Thu, 21 Sep 2017 21:04:56 +0200
User-agent: mu4e 0.9.18; emacs 25.1.1

Roel Janssen writes:

> Dear Guix,
> I 'guix pull'ed commit 228a398 and ran:
>   guix system reconfigure /etc/config.scm
> It looks like GRUB cannot find my root partition (/dev/sda3).  So, I
> suspect that something has changed regarding specifying the partitions 
> (UUIDs?).
> I attached 'config.scm'.
> Now, the hardest part.. How can I recover?  It doesn't boot the older
> generations either, so I now use a Fedora live USB.
> Any pointers are appreciated.
> Thanks!
> Kind regards,
> Roel Janssen

So, I was able to fix GRUB by manually modifying /boot/grub/grub.cfg:

-search --label --set /dev/sda3
+search --no-floppy --fs-uuid --set <blkid uuid output>

Now, what changes do I have to make to my config to make it work
automatically again?

Kind regards,
Roel Janssen

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