Your message dated Tue, 5 Apr 2016 17:29:49 +0100
with message-id 
<CAPQ4b8kYQ+UqCf39QJR-kdjy1ww6Hs=bryvfea_iadwk9kv...@mail.gmail.com>
and subject line Re: Bug#419501: aptitude: Strange conflict resolution
has caused the Debian Bug report #419501,
regarding aptitude: Strange conflict resolution
to be marked as done.

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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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-- 
419501: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=419501
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: aptitude
Version: 0.4.4-4
Severity: normal

Hello,

I had a machine with almost a minimal set of packages installed, one of
those packages was exim4 which had been installed automatically because
of dependencies of another package. Then, I used "dpkg --set-selections
< packagelist" to set a very large package selection list (about 1400
packages). Then, I called "aptitude -y -f install" to really install the
packages. Most of the packages could be installed successfully, but some
remained in state "install ok uninstalled" because of a strange conflict
resolution.

The core problem was that the big package list contained ssmtp, which has a
conflict with the previously installed exim4. So, aptitude tried to
solve the conflict:

The following packages are BROKEN:
  exim4-config exim4-daemon-light ssmtp
  0 packages upgraded, 1 newly installed, 0 to remove and 0 not
  upgraded.
  Need to get 44.0kB of archives. After unpacking 0B will be used.
  The following packages have unmet dependencies:
    exim4-config: Conflicts: ssmtp but 2.61-11.1 is to be installed.
      exim4-daemon-light: Conflicts: mail-transport-agent which is a
      virtual package.
        ssmtp: Conflicts: mail-transport-agent which is a virtual
        package.
        Resolving dependencies...
        The following actions will resolve these dependencies:

        Remove the following packages:
        exim4
        exim4-base
        exim4-config
        exim4-daemon-light

        Keep the following packages at their current version:

        gnome-desktop-environment [ not installed ]
        kdewebdev [ not installed ]
        lyx-common [ not installed ]
        ibritish [ not installed ]
        quanta-data [ not installed ]
        quanta [ not installed ]
        free-java-sdk [ not installed ]
        sablevm [ not installed ]
        gnome [ not installed ]
        lyx [ not installed ]
        kde [ not installed ]
        policycoreutils [ not installed ]
        lyx-qt [ not installed ]


I think that the conflict between exim4 and ssmtp should not have an
effect on the packages mentioned below "Keep the following packages at
their current version:".

Regards
  Christoph Pleger
-- System Information:
Debian Release: 4.0
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-686-irb
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)

Versions of packages aptitude depends on:
ii  apt [libapt-pkg-libc6.3-6-3 0.6.46.4-0.1 Advanced front-end for dpkg
ii  libc6                       2.3.6.ds1-13 GNU C Library: Shared libraries
ii  libgcc1                     1:4.1.1-21   GCC support library
ii  libncursesw5                5.5-5        Shared libraries for terminal hand
ii  libsigc++-2.0-0c2a          2.0.17-2     type-safe Signal Framework for C++
ii  libstdc++6                  4.1.1-21     The GNU Standard C++ Library v3

Versions of packages aptitude recommends:
pn  aptitude-doc-en | aptitude-do <none>     (no description available)
pn  libparse-debianchangelog-perl <none>     (no description available)

-- no debconf information


--- End Message ---
--- Begin Message ---
tags 419501 - moreinfo
stop


2016-03-17 22:50 GMT+00:00 Manuel A. Fernandez Montecelo
<[email protected]>:
>>
>> That helped, but I think that aptitude should never let packages
>> uninstalled only because of recommendations that cannot be fulfilled.
>
>
> I am not aware of such problems for a long time, and there are no other
> similar bug reports.
>
> Are you aware of this still happening nowadays?

Closing now.

-- 
Manuel A. Fernandez Montecelo <[email protected]>

--- End Message ---
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