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Bug#1035022: marked as done (unpaper: undefined symbol: vaSyncBuffer)

Your message dated Fri, 19 Dec 2025 11:56:10 +0100
with message-id <176614177081.2665700.2414343561355429011@cairon.jones.dk>
and subject line Re: unpaper: undefined symbol: vaSyncBuffer
has caused the Debian Bug report #1035022,
regarding unpaper: undefined symbol: vaSyncBuffer
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.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
1035022: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1035022
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
Package: unpaper
Version: 7.0.0-0.1
Severity: important

Dear Maintainer,

   * What led up to the situation?

Launching the application from command line gives an error. Unable to start it.

   * What exactly did you do (or not do) that was effective (or
     ineffective)?

Simply entered "unpaper" in the command line.

   * What was the outcome of this action?

The following error message:
unpaper: symbol lookup error: /lib/x86_64-linux-gnu/libavcodec.so.59: undefined symbol: vaSyncBuffer

   * What outcome did you expect instead?

Anything but what I got. As an example, the version being printed in the output.


-- System Information:
Debian Release: 12.0
  APT prefers testing-security
  APT policy: (500, 'testing-security'), (500, 'testing'), (100, 'bookworm-fasttrack'), (100, 'bookworm-backports-staging')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.1.0-7-amd64 (SMP w/4 CPU threads; PREEMPT)
Locale: LANG=fr_CA.UTF-8, LC_CTYPE=fr_CA.UTF-8 (charmap=UTF-8), LANGUAGE=fr_CA:fr
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages unpaper depends on:
ii  libavcodec59   10:5.1.3-dmo3
ii  libavformat59  10:5.1.3-dmo3
ii  libavutil57    10:5.1.3-dmo3
ii  libc6          2.36-9

unpaper recommends no packages.

unpaper suggests no packages.

-- no debconf information

--- End Message ---
--- Begin Message --- 
Hi Jean-Marc,

I just stumbled upon a bugreport that you filed a few years ago.

First of all, sorry that we didn't manage to get back to you sooner.
Reason for that is that the packaging of the unpaper project has had no
dedicated maintainer for some time: https://bugs.debian.org/1019012

I sure hope you have solved your problem long ago, but if not, and for
posterity, see further comments below the quote...

> Launching the application from command line gives an error.
> Unable to start it.
[...]
> The following error message:
> unpaper: symbol lookup error: /lib/x86_64-linux-gnu/libavcodec.so.59:
> undefined symbol: vaSyncBuffer
[...]
> Versions of packages unpaper depends on:
> ii  libavcodec59   10:5.1.3-dmo3
> ii  libavformat59  10:5.1.3-dmo3
> ii  libavutil57    10:5.1.3-dmo3
> ii  libc6          2.36-9

The issue seems to be caused by the inclusion of non-Debian libraries,
which I guess were, at the time of your reporting the bug, out of sync
with Debian.  I am only guessing, and Debian has given up many years
ago to try help users that choose to mix Debian with other sources.

More information specifically about what might be mixed in here is at
https://wiki.debian.org/DebianMultimedia/FAQ#Common_issues

More information more generally about Debian discouraging mixing of
multiple sources is at https://wiki.debian.org/DontBreakDebian

All that said, you are of course free to use Debian however you want,
including in ways that we do not recommend or are able to support.
Kudos for using debbugs and preserving its autogenerated dependency
list, aiding in quickly identifying this as a case of "FrankenDebian".

Hereby closing this as a non-Bug (in Debian, specifically).

All the best to you, regardless if you are still a Debian user, or have
moved on to explore other options,

 - Jonas

-- 
 * Jonas Smedegaard - idealist & Internet-arkitekt
 * Tlf.: +45 40843136  Website: http://dr.jones.dk/
 * Sponsorship: https://ko-fi.com/drjones

 [x] quote me freely  [ ] ask before reusing  [ ] keep private

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