bug#38050: Guix fails during downloading a substitute of google-brotli, throws an ugly backtrace

[Ludovic Courtès]

Hi Jan,

Jan Wielkiewicz <address@hidden> skribis:

> Dnia 2019-11-07, o godz. 21:16:44
> Ludovic Courtès <address@hidden> napisał(a):
>
>> Hello,
>> 
>> 
>> Oh actually that’s not helpful, my bad.  What we would have need is
>> the output of ‘guix substitute’ (invoked by the daemon), but that is
>> not logged as-is.  :-/
>> 
>> I’ll take another look at the relevant code (and invite everyone to
>> give it a shot :-)), and in the meantime we can leave this bug open.
>> Do reply if that happens again!
> Okay, this have happened again. Maybe it's caused by something I
> changed in Jami.  I'm attaching the most recent changes.

How reproducible is it?  100%?

> Running "./pre-inst-env guix build jami" causes this:
>
> 3583063 14106624
>  google-brotli-1.0.7-checkout  22.5MiB
>                              770KiB/s 00:26 [###############   ]
> 86.1%Backtrace: In guix/store.scm: 623:10 19 (call-with-store _)
> In guix/scripts/build.scm:
>    927:26 18 (_ #<store-connection 256.99 7f5a10fcbea0>)
> In ice-9/boot-9.scm:
>     829:9 17 (catch _ _ #<procedure 7f5a1204baa0 at ice-9/boot-9.sc…> …)
> In guix/ui.scm:
>     425:6 16 (_)
> In guix/scripts/build.scm:
>     892:5 15 (_)
> In srfi/srfi-1.scm:
>    679:15 14 (append-map _ _ . _)
>    592:17 13 (map1 ("x86_64-linux"))
>    679:15 12 (append-map _ _ . _)
>    592:17 11 (map1 (#<package jami@20191101.3.67671e7 gnu/packages/…>))
> In guix/scripts/build.scm:
>    853:18 10 (_ _)
> In guix/packages.scm:
>    948:16  9 (cache! #<weak-table 705/883> #<package jami@20191101.…> …)
> In guix/grafts.scm:
>     323:4  8 (graft-derivation #<store-connection 256.99 7f5a10fcbe…> …)
>     172:4  7 (references-oracle #<store-connection 256.99 7f5a10fcb…> …)
>    182:20  6 (_ _ _)
> In guix/store.scm:
>   1215:15  5 (_ #<store-connection 256.99 7f5a10fcbea0> _ _)
>    718:13  4 (process-stderr _ _)
> In unknown file:
>            3 (display "@ substituter-succeeded /gnu/store/m18k3ba7y…" …)
> In guix/status.scm:
>    691:16  2 (write! _ _ _)
>     605:6  1 (_ (download-progress "/gnu/store/brvizic3qv469j8fd…" …) …)
> In guix/progress.scm:
>    219:14  0 (display-download-progress "google@" #f #:start-time _ # …)
>
> guix/progress.scm:219:14: In procedure display-download-progress:
> In procedure =: Wrong type: #f

Could you try again, this time stracing the process with:

  ./pre-inst-env strace -o /tmp/log -s 300 guix build jami

?

Once you’ve reproduced the failure above, could you send /tmp/log (or
the tail of that file)?

Thanks in advance!

Ludo’.