bug#71133: linux-libre-guix.tar.xz CI times out on aarch64-linux

[Richard Sent]

Christopher Baines <mail@cbaines.net> writes:

> This derivation seems to have been built fine by the bordeaux build
> farm:
>
>   
> https://data.guix.gnu.org/gnu/store/ny56fdcig9cd9bd3pssmlraz2c1q10q8-linux-libre-6.8.10-guix.tar.xz.drv

You're right. It looks like the derivation itself built fine based on
that, but something seems off when the nar is sent. Assuming I
understand the following correctly:

--8<---------------cut here---------------start------------->8---
~/code/cloned/guix/guix $ guix build linux-libre --system=aarch64-linux
substitute: updating substitutes from 'http://10.1.2.2:80'... 100.0%
substitute: updating substitutes from 'https://bordeaux.guix.gnu.org'... 100.0%
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
The following derivations will be built:
  /gnu/store/v471590wpsw1fcnqrrr9bwh52skbb5rn-linux-libre-6.8.10.drv
  /gnu/store/1wi10rg7236ck8k5vdrdfap5l7a9s9z0-linux-libre-6.8.10-guix.tar.xz.drv
143.1 MB will be downloaded:
  /gnu/store/y813phs2n9xnb7zbcr07g0j9509bzbsb-linux-libre-6.8.10-guix.tar.xz
substituting 
/gnu/store/y813phs2n9xnb7zbcr07g0j9509bzbsb-linux-libre-6.8.10-guix.tar.xz...
downloading from 
https://bordeaux.guix.gnu.org/nar/none/y813phs2n9xnb7zbcr07g0j9509bzbsb-linux-libre-6.8.10-guix.tar.xz
 ...
 linux-libre-6.8.10-guix.tar.xz  136.5MiB                                       
                                   23.9MiB/s 00:06 ▕█████████████████▋▏  
98.0%guix substitute: error: corrupt input while restoring 
'/gnu/store/y813phs2n9xnb7zbcr07g0j9509bzbsb-linux-libre-6.8.10-guix.tar.xz' 
from #<input: string 7f9644c23b60>
substitution of 
/gnu/store/y813phs2n9xnb7zbcr07g0j9509bzbsb-linux-libre-6.8.10-guix.tar.xz 
failed
guix build: error: some substitutes for the outputs of derivation 
`/gnu/store/ny56fdcig9cd9bd3pssmlraz2c1q10q8-linux-libre-6.8.10-guix.tar.xz.drv'
 failed (usually happens due to networking issues); try `--fallback' to build 
derivation from source 
--8<---------------cut here---------------end--------------->8---

Even though the derivation was built, the substitution fails.

Just for fun, here's the output on a ARM64-native system:

--8<---------------cut here---------------start------------->8---
root@caustic ~# guix build linux-libre  
substitute: updating substitutes from 'http://10.1.2.2:80'... 100.0%
substitute: updating substitutes from 'https://bordeaux.guix.gnu.org'... 100.0%
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
The following derivations will be built:
  /gnu/store/v471590wpsw1fcnqrrr9bwh52skbb5rn-linux-libre-6.8.10.drv
  /gnu/store/1wi10rg7236ck8k5vdrdfap5l7a9s9z0-linux-libre-6.8.10-guix.tar.xz.drv
143.1 MB will be downloaded:
  /gnu/store/y813phs2n9xnb7zbcr07g0j9509bzbsb-linux-libre-6.8.10-guix.tar.xz
substituting 
/gnu/store/0jfsx4hljddyand45z7i77ynpvr0mhb5-module-import-compiled...
downloading from 
http://10.1.2.2/nar/zstd/0jfsx4hljddyand45z7i77ynpvr0mhb5-module-import-compiled
 ...
 module-import-compiled                                                         
                                           4.2MiB/s 00:00 | 244KiB transferred

substituting /gnu/store/fwqy5d6xyar9x5yksny79r2d519s25cx-100gnu+freedo.patch...
downloading from 
http://10.1.2.2/nar/zstd/fwqy5d6xyar9x5yksny79r2d519s25cx-100gnu%2Bfreedo.patch 
...
 100gnu%2Bfreedo.patch                                                          
                                            1.8MiB/s 00:00 | 46KiB transferred

substituting 
/gnu/store/y813phs2n9xnb7zbcr07g0j9509bzbsb-linux-libre-6.8.10-guix.tar.xz...
downloading from 
https://bordeaux.guix.gnu.org/nar/none/y813phs2n9xnb7zbcr07g0j9509bzbsb-linux-libre-6.8.10-guix.tar.xz
 ...
 linux-libre-6.8.10-guix.tar.xz  136.5MiB                                       
                                    1.7MiB/s 01:21 ▕█████████████████▉▏  
99.9%guix substitute: error: corrupt input while restoring 
'/gnu/store/y813phs2n9xnb7zbcr07g0j9509bzbsb-linux-libre-6.8.10-guix.tar.xz' 
from #<input: string ffff7daf3460>
substitution of 
/gnu/store/y813phs2n9xnb7zbcr07g0j9509bzbsb-linux-libre-6.8.10-guix.tar.xz 
failed
guix build: error: corrupt input while restoring archive from #<closed: file 
ffff977abb60>
--8<---------------cut here---------------end--------------->8---

-- 
Take it easy,
Richard Sent
Making my computer weirder one commit at a time.