bug#39090: closed (Daemon fails with "got unexpected path ... from substituter")

[GNU bug Tracking System]

Your message dated Wed, 15 Jan 2020 18:44:51 +0100
with message-id <address@hidden>
and subject line Re: bug#39090: Installer fails on install disk built from 
master
has caused the debbugs.gnu.org bug report #39090,
regarding Daemon fails with "got unexpected path ... from substituter"
to be marked as done.

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-- 
39090: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=39090
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> --- Begin Message ---
>
>
>
> Subject: 
>
> Installer fails on install disk built from master
>
>
>
>
> Date: 
>
> Sat, 11 Jan 2020 15:48:10 +0100
>
>
>
>
> Hello,
>
> I noticed that the install disk created on current master can't
> install the system.
>
> This is on:
> e4c9ba4da2a6faf80209488d5c086ea0d5c39214
> .
>
> I have found a reproducer that might highlight where the problem is.
>
> Steps to reproduce:
> 1. guix pull
> 2. build the installer image
> guix system disk-image --file-system-type=iso9660 \
>   gnu/system/install.scm
> 3. boot it
> 4. switch to tty3
> 5. create a file gexp.scm with this content:
> (use-modules
>  (gnu packages package-management)
>  (guix gexp))
>
> (program-file
>  "a"
>  (with-extensions
>   (list guix)
>   #~(#t)))
> 6. guix build -f gexp.scm
>
> This will fail with as strange error message.
> This same problem causes the final installation failure in the installer.
>
> This works fine on the latest installation image.
> This works if you run it again after it fails.
>
> Any help on debugging this further would be appreciated.
>
> Best regards,
> g_bor
> -- 
> OpenPGP Key Fingerprint: 7988:3B9F:7D6A:4DBF:3719:0367:2506:A96C:CF63:0B21
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#39090: Installer fails on install disk built from master
>
>
>
>
> Date: 
>
> Wed, 15 Jan 2020 18:44:51 +0100
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)
>
>
>
>
> Hello,
>
> Gábor Boskovits <address@hidden> skribis:
>
> > Ricardo Wurmus <address@hidden> ezt írta (időpont: 2020. jan. 11.,
> > Szo, 17:44):
> >>
> >>
> >> Gábor Boskovits <address@hidden> writes:
> >>
> >> > 5. create a file gexp.scm with this content:
> >> > (use-modules
> >> >  (gnu packages package-management)
> >> >  (guix gexp))
> >> >
> >> > (program-file
> >> >  "a"
> >> >  (with-extensions
> >> >   (list guix)
> >> >   #~(#t)))
> >> > 6. guix build -f gexp.scm
> >> >
> >> > This will fail with as strange error message.
> >>
> >> What’s the error message?
> >
> > guix build: error: got unexpected path <store-path-name> from substituter
> >
> > <store-path-name> varies, currently it was
> > /gnu/store/0q95b...-libarchive-3.4.0.tar.gz
>
> Fixed by e2922f527ee8d891a41b5086637fa560a1c2ddd8!  I’ll update the
> ‘guix’ package shortly.
>
> This was tricky to reproduce because it depends on what’s in your store
> and what’s in /var/guix/substitute/cache.
>
> I managed to reproduce it first in a VM following your instructions, and
> then on a local instance of guix-daemon where I had wiped
> /var/guix/substitute/cache and also changed the condition in
> ‘http-multiple-get’ to exercise the “Connection: close” case (which is
> otherwise infrequent.)
>
> Thanks a lot for your investigation, which helped a lot!
>
> Ludo’.
>
>
> --- End Message ---