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Bug#881266: marked as done (apt-files fails with LZ4F error on calling apt-helper with xargs)

Your message dated Mon, 22 Jul 2019 21:54:40 +0900
with message-id <CABMQnVLxShfZd=W42tu7C3b0oebnFrXb95etw7Q4eMhR5eRy7Q@mail.gmail.com>
and subject line Re: Bug#881266: apt-files fails with LZ4F error on calling apt-helper with xargs
has caused the Debian Bug report #881266,
regarding apt-files fails with LZ4F error on calling apt-helper with xargs
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
881266: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=881266
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: apt-file
Version: 3.1.5
Severity: grave
Justification: renders package unusable

Dear maintainers,

installing apt-file and running

  apt-file update

works well, but any search fails with an error ; for instance

  apt-file search ogg123

fails with

   E: LZ4F:
/var/lib/apt/lists/ftp.debian.org_debian_dists_testing_main_Contents-amd64.lz4
Read error (18446744073709551615: ERROR_GENERIC)
   Command xargs -0r /usr/lib/apt/apt-helper cat-file exited with code 123 at
/usr/bin/apt-file line 240.
   E: A subprocess exited uncleanly (raw: 31488)

and similarly for other searches.

Downgrading apt-file to stable (3.1.4) from testing/unstable (3.1.5) does not
solve the problem.

Cleaning the database with
  aptitude clean
or even with
  apt-get --list-cleanup update
does not change the problem.

Purging apt-file, reinstalling and re-updating the apt-file database doesn't
solve the issue either.

It seems the package is thus unusable. It seems the issue is related to a lz4
library, but i could not find a way to go further.

Best,

Ara



-- System Information:
Debian Release: buster/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.13.0-1-amd64 (SMP w/8 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages apt-file depends on:
ii  apt                      1.6~alpha4
ii  libapt-pkg-perl          0.1.33
ii  liblist-moreutils-perl   0.416-1+b3
ii  libregexp-assemble-perl  0.36-1
ii  perl                     5.26.1-2

apt-file recommends no packages.

apt-file suggests no packages.

-- no debconf information

--- End Message ---
--- Begin Message --- 
Hi,

> > It's definitely not an apt-file problem if apt-helper exits. It seems to me that
> > the file is broken. I'd assume your memory or hard disk is failing, or you force
> > rebooted while/after apt(-get) update was running and writing that file and we
> > maybe do not sync it correctly. Or maybe it's a bug in lz4 decompressor - I don't
> > know.
> >
> > In either case, I've not seen this before. You could also try using "lz4cat"
> > from liblz4-tool, that should fail as well. I'd say upload the file, but it's
> > probably about 60-90 MB or so, so probably not really an option.
> >
>
> It is quite strange indeed: i have installed liblz4-tool, and the
> described behaviour has vanished.
> After purging liblz4-tool, the correct exptected behvaiour of apt-file remains
> Maybe this was due to a problem with the synchronisation of the debian
> packages...
>
> Sorry for the noise

I can not reproduce this problem. I checked with stretch (lz4:
0.0~r131-2+b1) and buster
(lz4: 1.8.3-1).

-----
$ apt-file search ogg123
fusil: /usr/share/fusil/fusil-ogg123
irssi-scripts: /usr/share/irssi/scripts/ogg123.pl
manpages-de: /usr/share/man/de/man1/ogg123.1.gz
python-pyvorbis: /usr/share/doc/python-pyvorbis/examples/ogg123.py
vorbis-tools: /usr/bin/ogg123
vorbis-tools: /usr/share/doc/vorbis-tools/ogg123rc-example
vorbis-tools: /usr/share/man/man1/ogg123.1.gz
-----

I close this bug.

Best regards,
  Nobuhiro

-- 
Nobuhiro Iwamatsu
   iwamatsu at {nigauri.org / debian.org}
   GPG ID: 40AD1FA6

--- End Message ---
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