GNU bug report logs - #57527
compute-guix-derivation has an error

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

From: "Toorn, H.W.P. van den (Henk)" <H.W.P.vandenToorn <at> uu.nl>
To: "bug-guix <at> gnu.org" <bug-guix <at> gnu.org>
Subject: compute-guix-derivation has an error
Date: Thu, 1 Sep 2022 15:00:52 +0000

Dear developers, the guix pull command ended in an error, and requested 
to send the error to this e-mail.

  Backtrace:
           17 (primitive-load 
"/gnu/store/vkwh34wlnqqfyf44giczcx848i3vdckr-compute-guix-derivation")
In ice-9/eval.scm:
     155:9 16 (_ _)
     159:9 15 (_ #(#(#(#(#(#(#(#(#(#(#(#(#(#(#(#(#<directory (guile-u?> 
?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?))
In ice-9/boot-9.scm:
     152:2 14 (with-fluid* _ _ _)
     152:2 13 (with-fluid* _ _ _)
In ./guix/store.scm:
   2168:24 12 (run-with-store #<store-connection 256.99 7f46aae43140> 
#<procedure 7f469ec48690 at ./guix/self.scm:12?> ?)
    1996:8 11 (_ #<store-connection 256.99 7f46aae43140>)
In ./guix/gexp.scm:
    300:22 10 (_ #<store-connection 256.99 7f46aae43140>)
    1181:2  9 (_ #<store-connection 256.99 7f46930e6e60>)
    1047:2  8 (_ #<store-connection 256.99 7f46930e6e60>)
     893:4  7 (_ #<store-connection 256.99 7f46930e6e60>)
In ./guix/store.scm:
   2053:12  6 (_ #<store-connection 256.99 7f46930e6e60>)
    1401:5  5 (map/accumulate-builds #<store-connection 256.99 
7f46930e6e60> #<procedure 7f469414dda0 at ./guix/stor?> ?)
   1417:15  4 (_ #<store-connection 256.99 7f46930e6e60> 
("/gnu/store/4khcb3b0iqfimjgg6yqnlpf9pkim7s4v-curl-7.84.?" ?) ?)
   1417:15  3 (loop #f)
    711:11  2 (process-stderr #<store-connection 256.99 7f46930e6e60> _)
In ./guix/serialization.scm:
    102:11  1 (read-int #<input-output: file 10>)
      80:6  0 (get-bytevector-n* #<input-output: file 10> 8)

./guix/serialization.scm:80:6: In procedure get-bytevector-n*:
ERROR:
   1. &nar-error:
       file: #f
       port: #<input-output: file 10>
guix pull: error: You found a bug: the program 
'/gnu/store/vkwh34wlnqqfyf44giczcx848i3vdckr-compute-guix-derivation'
failed to compute the derivation for Guix (version: 
"89d427e4be35fe79c23e2785a55c19df781fb77e"; system: "x86_64-linux";
host version: "fc94e93c4b60addfda3c1eddfb85907e9459a8af"; pull-version: 1).
Please report the COMPLETE output above by email to <bug-guix <at> gnu.org>.

-- 
Dr. Henk van den Toorn | Bioinformatician | Universiteit Utrecht | 
Biomolecular Mass Spectrometry and Proteomics | Kruytgebouw, Padualaan 
8, 3584 CH Utrecht | room O607 | (030) 253 67 58 | h.w.p.vandentoorn <at> uu.nl |

Message #8 received at 57527 <at> debbugs.gnu.org (full text, mbox):

From: Maxime Devos <maximedevos <at> telenet.be>
To: "Toorn, H.W.P. van den (Henk)" <H.W.P.vandenToorn <at> uu.nl>,
 57527 <at> debbugs.gnu.org
Subject: Re: bug#57527: compute-guix-derivation has an error
Date: Thu, 1 Sep 2022 18:39:20 +0200

[Message part 1 (text/plain, inline)]

severity 57527 important
merge 47764 57527
thanks

For now, you can try working-around by retrying "guix pull".

On 01-09-2022 17:00, Toorn, H.W.P. van den (Henk) via Bug reports for 
GNU Guix wrote:
>     1417:15  4 (_ #<store-connection 256.99 7f46930e6e60>
> ("/gnu/store/4khcb3b0iqfimjgg6yqnlpf9pkim7s4v-curl-7.84.?" ?) ?)
>     1417:15  3 (loop #f)
>      711:11  2 (process-stderr #<store-connection 256.99 7f46930e6e60> _)
> In ./guix/serialization.scm:
>      102:11  1 (read-int #<input-output: file 10>)
>        80:6  0 (get-bytevector-n* #<input-output: file 10> 8)
Procedure at 80:6:

> (define (get-bytevector-n* port count)
>   (let ((bv (get-bytevector-n port count)))
>     (when (or (eof-object? bv)
>               (< (bytevector-length bv) count))
>       (raise (condition (&nar-error
>                          (file (currently-restored-file))
>                          (port port)))))
>     bv))

An alternative hypotheses:

 * build-aux/build-self.scm lets the port be a duplicate of standard
   input. But maybe some other code for whatever reason accidentally
   reads from there as well? Or: maybe the script is started without
   stdout, so when it is duplicated, it becomes stdout, and future code
   writes to stdout (i.e., the store port), causing interference?
   Potential solution: Open /dev/null on top of stdin, check that the
   store port is >2.

Greetings,
Maxime.

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Message #11 received at 57527 <at> debbugs.gnu.org (full text, mbox):

From: Maxime Devos <maximedevos <at> telenet.be>
To: control <at> debbugs.gnu.org, 57527 <at> debbugs.gnu.org, 53802 <at> debbugs.gnu.org,
 56466 <at> debbugs.gnu.org
Subject: Re: bug#57527: compute-guix-derivation has an error
Date: Thu, 1 Sep 2022 19:07:48 +0200

[Message part 1 (text/plain, inline)]

severity 57527 important
merge 47764 57527
severity 53802 important
merge 47764 53802
severity 56466 important
merge 47764 56466
thanks

Found a few apparent duplicates (they are all about a &nar-error, 
read-int and process-stderror).

On second thought, I don't think the patch I referred to #56466 will 
help here, though it could hardly harm here.

For now, you can try working-around by retrying "guix pull".

There are two hypotheses on the cause in

 * https://issues.guix.gnu.org/57527#1
 * and https://issues.guix.gnu.org/47764

The second seems most plausible to me, and the first seems the simplest 
to test (and even if it's not the cause, it would still add some 
robustness).

Greetings,
Maxime.

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Message #20 received at 57527 <at> debbugs.gnu.org (full text, mbox):

From: zimoun <zimon.toutoune <at> gmail.com>
To: Maxime Devos <maximedevos <at> telenet.be>, "Toorn, H.W.P. van den (Henk)"
 <H.W.P.vandenToorn <at> uu.nl>, 57527 <at> debbugs.gnu.org
Subject: Re: bug#57527: compute-guix-derivation has an error
Date: Thu, 01 Sep 2022 19:38:18 +0200

Hi,

> For now, you can try working-around by retrying "guix pull".

Henk, could you retry

    guix pull --commit=89d427e4be35fe79c23e2785a55c19df781fb77e

?  BTW, it works for me with:

   guix time-machine --commit=fc94e93c4b60addfda3c1eddfb85907e9459a8af \
        -- time-machine --commit=89d427e4be35fe79c23e2785a55c19df781fb77e \
        -- help

and I guess the error is transient because network.


What is the version of the daemon you are running?


Cheers,
simon

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