GNU bug report logs - #37226
previously working system config fails to build

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Jesse Gibbons <jgibbons2357 <at> gmail.com>
To: bug-guix mailing list <bug-guix <at> gnu.org>
Subject: previously working system config fails to build
Date: Thu, 29 Aug 2019 21:32:49 -0600

I try to run guix system reconfigure and get this error:

guix system: error: #<<uuid> type: dce bv: #vu8(51 12 55 214 249 221 79
112 186 51 233 64 103 99 34 57)>: invalid G-expression input


Here's the minimum of what I feed it to replicate the error (comments
and non-essentials removed):

(use-modules (gnu) (gnu system nss))
(use-service-modules desktop pm virtualization networking cups sound)
(use-package-modules certs gnome guile-xyz)

(define pureos-root "330c37d6-f9dd-4f70-ba33-e94067632239")
(define swap-uuid "049a0350-bcce-4920-9816-5fd4ee3c0de1")

(define (other-partition entry-label vmlinuz-version root-uuid resume-
uuid)
  (menu-entry
   (label "pureos")
   (linux (string-concatenate `("/boot/vmlinuz-" ,vmlinuz-version)))
   (linux-arguments
    `(,(string-concatenate `("root=UUID=" ,root-uuid))
      "ro" "quiet" "splash"
      ,(string-concatenate `("resume=UUID=" ,resume-uuid))))
   (initrd (string-concatenate `("/boot/initrd.img-" ,vmlinuz-
version)))
   (device (uuid root-uuid))))


(operating-system
 (host-name "piranhaplant")
 (timezone "America/Boise")
 (locale "en_US.utf8")
 (bootloader (bootloader-configuration
              (bootloader grub-bootloader)
              (target "/dev/sda") ;include my usual OS
              (menu-entries
	       (list
		(other-partition
                 "pureos"
                 "4.19.0-2-amd64"
                 pureos-root
                 swap-uuid)))))

 (file-systems (cons (file-system
                      (device (file-system-label "my-root"))
 		      (mount-point "/")
 		      (type "ext4"))
                     %base-file-systems))

 )

====================
Please forgive the ugly formatting and quasiquote/unquote abuse. I was
beginning to understand scheme when I wrote the .

It breaks when I add (file-system ...) which is identical to what's in
the manual. I think it might have something to do with the bootloader,
but I don't know what. Where is a G-expression expected?

Message #8 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Jesse Gibbons <jgibbons2357 <at> gmail.com>
To: bug-guix mailing list <bug-guix <at> gnu.org>
Cc: Ludovic Courtès <ludo <at> gnu.org>
Subject: Re: previously working system config fails to build
Date: Fri, 30 Aug 2019 09:03:35 -0600

On Thu, 2019-08-29 at 21:32 -0600, Jesse Gibbons wrote:
> I try to run guix system reconfigure and get this error:
> 
> guix system: error: #<<uuid> type: dce bv: #vu8(51 12 55 214 249 221
> 79
> 112 186 51 233 64 103 99 34 57)>: invalid G-expression input
> 
> 
> Here's the minimum of what I feed it to replicate the error (comments
> and non-essentials removed):
> 
> (use-modules (gnu) (gnu system nss))
> (use-service-modules desktop pm virtualization networking cups sound)
> (use-package-modules certs gnome guile-xyz)
> 
> (define pureos-root "330c37d6-f9dd-4f70-ba33-e94067632239")
> (define swap-uuid "049a0350-bcce-4920-9816-5fd4ee3c0de1")
> 
> (define (other-partition entry-label vmlinuz-version root-uuid
> resume-
> uuid)
>   (menu-entry
>    (label "pureos")
>    (linux (string-concatenate `("/boot/vmlinuz-" ,vmlinuz-version)))
>    (linux-arguments
>     `(,(string-concatenate `("root=UUID=" ,root-uuid))
>       "ro" "quiet" "splash"
>       ,(string-concatenate `("resume=UUID=" ,resume-uuid))))
>    (initrd (string-concatenate `("/boot/initrd.img-" ,vmlinuz-
> version)))
>    (device (uuid root-uuid))))
> 
> 
> (operating-system
>  (host-name "piranhaplant")
>  (timezone "America/Boise")
>  (locale "en_US.utf8")
>  (bootloader (bootloader-configuration
>               (bootloader grub-bootloader)
>               (target "/dev/sda") ;include my usual OS
>               (menu-entries
> 	       (list
> 		(other-partition
>                  "pureos"
>                  "4.19.0-2-amd64"
>                  pureos-root
>                  swap-uuid)))))
> 
>  (file-systems (cons (file-system
>                       (device (file-system-label "my-root"))
>  		      (mount-point "/")
>  		      (type "ext4"))
>                      %base-file-systems))
> 
>  )
> 
> ====================
> Please forgive the ugly formatting and quasiquote/unquote abuse. I
> was
> beginning to understand scheme when I wrote the .
> 
> It breaks when I add (file-system ...) which is identical to what's
> in
> the manual. I think it might have something to do with the
> bootloader,
> but I don't know what. Where is a G-expression expected?

The menu entry with the other partition is the problem. I'm not sure
what to do to keep the pureos partition, so I will comment it out. 
Specifically, I think it's the (device) field of <menu-entry> which
took a uuid as specified in the manual.

Ludo, you wanted to know if anything is out of place when you closed
bug#36876 "guix system delete-generations removes custom boot menu
entries". I think this might be related. Is there anything that might
not be documented that needs to happen differently to add a menu item
to grub?
-- 
-Jesse

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