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bug#51983: closed (guix build: error: integer expected from stream)


From: GNU bug Tracking System
Subject: bug#51983: closed (guix build: error: integer expected from stream)
Date: Wed, 24 Nov 2021 23:25:03 +0000

Your message dated Thu, 25 Nov 2021 00:24:24 +0100
with message-id <877dcxgms7.fsf@gnu.org>
and subject line Re: bug#51983: guix build: error: integer expected from stream
has caused the debbugs.gnu.org bug report #51983,
regarding guix build: error: integer expected from stream
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs@gnu.org.)


-- 
51983: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=51983
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems
--- Begin Message --- Subject: guix build: error: integer expected from stream Date: Fri, 19 Nov 2021 21:47:31 +0100
Guix,

I saw this reported by jlicht on #guix but I'm pretty sure that it's been reported a few times.

Here's the error, with channel:

(channel
 (name 'guix) (url "https://git.savannah.gnu.org/git/guix.git";)
 (branch "core-updates-frozen")
 (introduction
   (make-channel-introduction
    "9edb3f66fd807b096b48283debdcddccfea34bad"
    (openpgp-fingerprint
     "BBB0 2DDF 2CEA F6A8 0D1D  E643 A2A0 6DF2 A33A 54FA"))))

And patch:

--8<---------------cut here---------------start------------->8---
From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Fri, 19 Nov 2021 17:37:44 +0100
Subject: [PATCH] daemon: Print the line whence we expect an integer.

* nix/libstore/local-store.cc (LocalStore::getLineFromSubstituter): Include the malformed substituter stream line in the error message.

---
nix/libstore/local-store.cc | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/nix/libstore/local-store.cc b/nix/libstore/local-store.cc
index 675d1ba66f..83b6681122 100644
--- a/nix/libstore/local-store.cc
+++ b/nix/libstore/local-store.cc
@@ -839,7 +839,8 @@ template<class T> T LocalStore::getIntLineFromSubstituter(Agent & run)
{
    string s = getLineFromSubstituter(run);
    T res;
- if (!string2Int(s, res)) throw Error("integer expected from stream");
+    if (!string2Int(s, res))
+ throw Error(format("integer expected from stream: %1%") % s);
    return res;
}

--
2.34.0
--8<---------------cut here---------------end--------------->8---

(…which I'd like to merge if there are no objections…)

--8<---------------cut here---------------start------------->8---
λ guix time-machine -C ~/channels.scm -- build texlive --substitute-urls="https://guix.tobias.gr https://bordeaux.guix.gnu.org https://ci.guix.gnu.org";
[…]
substitute: updating substitutes from 'https://guix.tobias.gr'... 100.0% substitute: updating substitutes from 'https://bordeaux.guix.gnu.org'... 100.0% substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0% substitute: updating substitutes from 'https://substitutes.nonguix.org'... 100.0% substitute: updating substitutes from 'https://mirror.brielmaier.net'... 100.0%
The following derivations will be built:
  /gnu/store/i32vy0dhw00y59ajpfbzb66z7g5x5bmh-texlive-texmf-20210325.drv
  /gnu/store/z5r60zy9vmydf44fdyyc7hgc6q93aahm-texlive-20210325-texmf.tar.xz.drv
100.5 MB will be downloaded:
  /gnu/store/0brdikxqk59hdr47qabcm3sya001d8vf-glibc-utf8-locales-2.33
  /gnu/store/910a1558wknjm4687681kr0w2invish4-tcsh-6.22.03
  /gnu/store/jazwfsj2v41yih2yzw5nydqgdz1hgfm4-file-5.39
  /gnu/store/2ank6pw2lrybx24zyifkrc3bkxj8jpf4-lua-5.3.5
  /gnu/store/0777brz2w8k5s4g53yfh34fyxp5r08sq-module-import-compiled
  /gnu/store/l8kxrs01lll3pzjrd590p45l8k045q6q-make-4.3
  /gnu/store/l8l2y2dlya5rs9hfypmcb4saay7iwn0q-findutils-4.8.0
  /gnu/store/6mag7gwl47gh7h2lp5byvxxw80x2zi72-ed-1.17
  /gnu/store/m96snvbl92ivkd32giqh5f3d21bc2n5x-patch-2.7.6
  /gnu/store/s49sxmz9g4xmzz222cay9k04ziy3qgmj-diffutils-3.8
  /gnu/store/0v470agxfi4px58491h9932vwliljacr-teckit-2.5.10
  /gnu/store/nafmw4krl0q6c1agaz55vz6ls35inw29-zziplib-0.13.72
  /gnu/store/dswp2mfwb56xg57903cvhwcjj1fpdhqi-harfbuzz-2.8.2
  /gnu/store/fl8vfhmwkg7k1d8qr9apwq5yb0iqa9k5-libpaper-1.1.24
  /gnu/store/vbgd375j8p1iprljsizfwkfq56hi6mwi-jbig2dec-0.19
  /gnu/store/1d1xbgmdqdsz5pzcmpky3mbgzhxgx7jl-libtiff-4.3.0
  /gnu/store/1gn0gbzgqgj8x2vczfr2kgjkw1mlnz14-font-ghostscript-8.11
  /gnu/store/hgi1jja24hsj9yjmr6zrpazhgy42v94f-ghostscript-9.54.0
  /gnu/store/ic0ria97lvn16kg6jipzqq763rksvmhq-coreutils-minimal-8.32
  /gnu/store/k18as85v9s0z66w40wg9sym4c5qz03l2-perl-5.34.0
  /gnu/store/vhxayydx3y9n2gi2sc0dam26p7k1aaj8-libjpeg-turbo-2.0.5
  /gnu/store/8wzdcc46j1brwgw2kvk5878f887msz6m-gd-2.3.2
  /gnu/store/4inr1zm5334vz2p2shznc4iw1478bqan-libxaw-1.0.14
  /gnu/store/x64cjzj368falclljlmy72lh5qdk5fdp-mpfr-4.1.0
  /gnu/store/izcn0nn61pqf5p0j8073vrq8wyzrmkr4-graphite2-1.3.13
  /gnu/store/3nxgh1pmqg44f0ccg16ny4fs81mmafvq-pixman-0.40.0
  /gnu/store/53qn4zlhvsmn11lx5s15dqxsnjy59xfc-libxrender-0.9.10
  /gnu/store/5ybvb5jxlbfa93znylyy1f68h11l9qla-libelf-0.8.13
  /gnu/store/yqsj0ncmzxp4llcj74sj23wl11x3vigw-glib-2.70.0-bin
  /gnu/store/qqs98rxwjrji6aaf6dqwp7q4m545g2sn-glib-2.70.0
  /gnu/store/2431gxx661891b15zcn5sf14616bh287-cairo-1.16.0
  /gnu/store/7cddr79rydhc1m4hxr921mq17pz1jj3z-sed-4.8
  /gnu/store/35n3whmk8il5k9mv4i94g3hhq0x5v0iv-config-0.0.0-1.c8ddc84
  /gnu/store/72kpdqplq4nc87fm7ch47kxy3nlkzsyx-xz-5.2.5
  /gnu/store/p5fgysbcnnp8b1d91mrvjvababmczga0-python-3.9.6
  /gnu/store/m24fb3ig1wn7yfixp2cvsvik41fv325m-libxmu-1.1.3
  /gnu/store/7sik9fp2ffvnr7l01s423x4r5pn75rf9-icu4c-69.1
  /gnu/store/45xjw0k3mzpjkxhfhfganl0p8xnqgjq4-libxext-1.3.4
  /gnu/store/i67d4yi1zclniycczhi63z4cp42jmqra-libxt-1.2.1
  /gnu/store/04ccqq2y4khq38jvianwy9mw6zlr1vf4-libsm-1.2.3
  /gnu/store/xb8ksrk21cslvh9pvm53q5qsrhz6613p-libice-1.0.10
  /gnu/store/368cv23ggbgl91bw90hyhkqx5dzq0988-libxpm-3.5.13
  /gnu/store/ch15pm3i78dvh66l8ds80ijf6kj850j8-libsigsegv-2.13
  /gnu/store/v45pjc1yqmy59j9ff913p3ywn9qk4lqx-gawk-5.1.0
  /gnu/store/25gv43v5rm05i26z39ajrd6nsxa5r461-coreutils-8.32
  /gnu/store/f5jcpy9s4cxzphi0khrqvxhrqnnn9azm-ruby-2.7.4
  /gnu/store/375858dr3cqbwry58xcgc0776205p0mf-freetype-2.10.4
  /gnu/store/brpl5kly3c64ah2y9v3fgbwl32641c0f-libpng-1.6.37
  /gnu/store/q6riv4m9d392dhxdw8jhrn5gsvbcamj9-font-dejavu-2.37
  /gnu/store/2fk1gz2s7ppdicynscra9b19byrrr866-glibc-2.33
  /gnu/store/3ywv7s8d38rgcq7ljmc1s084358a2m3h-glibc-2.33-static
  /gnu/store/w6zv2mz56wyxr471q38a3cmzm4iqimy8-bzip2-1.0.8
  /gnu/store/379xr5pkxprcamhlcbqz9nghj90qxw86-fontconfig-minimal-2.13.94
  /gnu/store/irzhgvy2zb6dd9g7a6b343pn4lvsn9n0-texlive-bin-20210325
  /gnu/store/35xph93135j3l3l856b2504j1hll53vr-texlive-20210325
substitute: updating substitutes from 'https://guix.tobias.gr'... 100.0% substitute: updating substitutes from 'https://bordeaux.guix.gnu.org'... 100.0% substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0% guix build: error: integer expected from stream: 18446744071924943736
--8<---------------cut here---------------end--------------->8---

So this sounds like integer xerflow, which agains rings a bell… but I don't remember well enough which one.

Kind regards,

T G-R

Attachment: signature.asc
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--- End Message ---
--- Begin Message --- Subject: Re: bug#51983: guix build: error: integer expected from stream Date: Thu, 25 Nov 2021 00:24:24 +0100 User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux)
Hi,

Tobias Geerinckx-Rice <me@tobias.gr> skribis:

> Tobias Geerinckx-Rice via Bug reports for GNU Guix 写道:
>> substitute: updating substitutes from
>> 'https://ci.guix.gnu.org'... 100.0%
>> guix build: error: integer expected from stream:
>> 18446744071924943736
>
> And it is indeed specific to querying ci.guix.

This reminds me of:

  https://issues.guix.gnu.org/46212

and indeed:

--8<---------------cut here---------------start------------->8---
$ guix build flightgear -n --no-grafts
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
substitute: updating substitutes from 'https://bayfront.guix.gnu.org'... 100.0%
guix build: error: integer expected from stream
$ guix describe
Generacio 195   Nov 22 2021 00:37:58    (nuna)
  guix 24aa7b3
    repository URL: https://git.savannah.gnu.org/git/guix.git
    branch: master
    commit: 24aa7b3c21309b63cc6e8e18d6417d2cddccf6c6
--8<---------------cut here---------------end--------------->8---

The ‘NarSize’ field is still broken on ci.guix:

--8<---------------cut here---------------start------------->8---
$ wget -qO - https://ci.guix.gnu.org/ashmi6vr9d0k03z9q6ncbb2wf36p9nyk.narinfo 
|grep Size
FileSize: 1876560180
FileSize: 1715771086
FileSize: 1753645085
NarSize: 18446744072093825552
$ wget -qO - 
https://bordeaux.guix.gnu.org/ashmi6vr9d0k03z9q6ncbb2wf36p9nyk.narinfo |grep 
Size
FileSize: 1715771086
NarSize: 2679241232
--8<---------------cut here---------------end--------------->8---

and again the database on berlin has a negative size:

--8<---------------cut here---------------start------------->8---
$ sudo sqlite3 /var/guix/db/db.sqlite
SQLite version 3.32.3 2020-06-18 14:00:33
Enter ".help" for usage hints.
sqlite> select * from validpaths where path = 
'/gnu/store/ashmi6vr9d0k03z9q6ncbb2wf36p9nyk-flightgear-2020.3.11';
56551239|/gnu/store/ashmi6vr9d0k03z9q6ncbb2wf36p9nyk-flightgear-2020.3.11|sha256:1c68105efd8ee4677085a2cecaa5859f1f5f213d52e213ef4949384717dc493a|1636968959|/gnu/store/xvyar43mcfw0r7jfm1x0a2i9rhnsdh87-flightgear-2020.3.11.drv|-1615726064
--8<---------------cut here---------------end--------------->8---

[Time passes…]

OK, this one is now fixed by commit
1eb40a6dc4917f5a2e915f8b31b750dba3d378c6m, which means you now get:

--8<---------------cut here---------------start------------->8---
$ guix build flightgear --no-grafts  -n
1,715.8 MB would be downloaded:
   /gnu/store/ashmi6vr9d0k03z9q6ncbb2wf36p9nyk-flightgear-2020.3.11
guix build: warning: at least 18,446,744,072,093.8 MB needed but only 4,753.4 
MB available in /gnu/store
--8<---------------cut here---------------end--------------->8---

Fun, no?  :-)

Also, after substitution, the size in the store database would be the
wrong one, so ‘guix size’ would keep telling you it’s this big.  Not
great but harmless as the nar size is used for UI purposes only.

Ludo’.


--- End Message ---

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