[debbugs-tracker] bug#32161: closed ((guix store deduplication) fails with large files)

[GNU bug Tracking System]

Your message dated Tue, 09 Oct 2018 09:31:17 +0200
with message-id <address@hidden>
and subject line Re: bug#32161: seek out of range
has caused the debbugs.gnu.org bug report #32161,
regarding (guix store deduplication) fails with large files
to be marked as done.

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-- 
32161: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=32161
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> --- Begin Message ---
>
>
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> Subject: 
>
> seek out of range
>
>
>
>
> Date: 
>
> Sun, 15 Jul 2018 07:05:59 +0200
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>
>
>
> User-agent: 
>
> mu4e 1.0; emacs 26.1
>
>
>
>
> I’m getting this bug on berlin.guixsd.org.  The store is several hundred
> GB in size.  I cannot reproduce this on a machine with a smaller store.
>
> --8<---------------cut here---------------start------------->8---
> In guix/store/deduplication.scm:
>     62:18  1 (nar-sha256 _)
> In unknown file:
>            0 (seek #<output: string 11b20e0> 0 1)
>
> ERROR: In procedure seek:
> Value out of range -2147483648 to 2147483647: 4770726968
> @ hook-failed 
> /gnu/store/qjxwff3fajh350chpswbb6x9q2m4c3sd-texlive-texmf-2017.drv - 256 
> builder for 
> `/gnu/store/qjxwff3fajh350chpswbb6x9q2m4c3sd-texlive-texmf-2017.drv' failed 
> with exit code 1
> --8<---------------cut here---------------end--------------->8---
>
> -- 
> Ricardo
>
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#32161: seek out of range
>
>
>
>
> Date: 
>
> Tue, 09 Oct 2018 09:31:17 +0200
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)
>
>
>
>
> Hi,
>
> address@hidden (Ludovic Courtès) skribis:
>
> > Ricardo Wurmus <address@hidden> skribis:
> >
> >> Ricardo Wurmus <address@hidden> writes:
> >>
> >>> I’m getting this bug on berlin.guixsd.org.  The store is several hundred
> >>> GB in size.  I cannot reproduce this on a machine with a smaller store.
> >>
> >> This is not correct.  I cannot reproduce this on a machine where
> >> deduplication has been disabled.
> >>
> >>> --8<---------------cut here---------------start------------->8---
> >>> In guix/store/deduplication.scm:
> >>>     62:18  1 (nar-sha256 _)
> >>> In unknown file:
> >>>            0 (seek #<output: string 11b20e0> 0 1)
> >>>
> >>> ERROR: In procedure seek:
> >>> Value out of range -2147483648 to 2147483647: 4770726968
> >>> @ hook-failed 
> >>> /gnu/store/qjxwff3fajh350chpswbb6x9q2m4c3sd-texlive-texmf-2017.drv - 256 
> >>> builder for 
> >>> `/gnu/store/qjxwff3fajh350chpswbb6x9q2m4c3sd-texlive-texmf-2017.drv' failed 
> >>> with exit code 1
> >>> --8<---------------cut here---------------end--------------->8---
> >
> > For the record, this code can be executed through ‘guix offload’, via
> > ‘restore-file-set’.
> >
> >> Line 62 is (port-position wrapper).  “seek” takes an integer as the
> >> offset and the range it reports is that of the minimum and maximum
> >> values of a 32 bit integer.
> >
> > I have some good news!  I fixed this in Guile commit
> > d677aca5c5e5b3a9f71af57243169904ba4a712c.
> >
> > Bad news, we can’t really work around it on the Guix side.
>
> Actually Guix commit 4f89a8eec69491b925f084381ea4de37527c9310 provides a
> workaround.
>
> Ludo’.
>
>
> --- End Message ---