Your message dated Fri, 2 Oct 2015 23:25:58 +0100
with message-id <[email protected]>
and subject line Re: aptitude suggests to remove unrelated packages to resolve 
dependencies
has caused the Debian Bug report #598485,
regarding aptitude suggests to remove unrelated packages to resolve dependencies
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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-- 
598485: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=598485
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: aptitude
Version: 0.6.3-3.1
Severity: normal


The expected (minimal) solution:

--\ Packages to be upgraded (2)                                                 
                                             
iuA  dpkg-dev +8,192B 1.15.8.4   1.15.8.5  
iuA  libdpkg-perl +41.0kB 1.15.8.4   1.15.8.5  

what aptitude suggests:

aptitude install dpkg-dev/sid
The following packages will be REMOVED:  
  libdpkg-perl{u} 
The following packages will be upgraded:
  dpkg-dev{b} 
1 packages upgraded, 0 newly installed, 1 to remove and 8 not upgraded.
Need to get 773kB of archives. After unpacking 1,724kB will be freed.
The following packages have unmet dependencies:
  dpkg-dev: Depends: libdpkg-perl (= 1.15.8.5) but it is not going to be
installed.
The following actions will resolve these dependencies:

      Remove the following packages:              
1)      build-essential                           
2)      cdbs                                      
3)      debhelper                                 
4)      devscripts                                
5)      dh-make                                   
6)      dpkg-dev                                  
7)      equivs                                    
8)      hsetroot-build-deps                       
9)      insightapplications-build-deps            
10)     insighttoolkit-build-deps                 
11)     javahelper                                
12)     kernel-package                            
13)     libapt-pkg-perl-build-deps                
14)     lintian                                   
15)     mesa-build-deps                           
16)     piglit-build-deps                         
17)     qemu-build-deps                           
18)     usmb-build-deps                           
19)     wine1.3-build-deps                        
20)     xserver-xorg-video-ati-build-deps         

      Leave the following dependencies unresolved:
21)     dpatch recommends dpkg-dev                
22)     devscripts recommends equivs              
23)     devscripts recommends lintian             
24)     libgtk2.0-dev recommends debhelper        
25)     libpango1.0-dev recommends debhelper      


Accept this solution? [Y/n/q/?] n
The following actions will resolve these dependencies:

     Keep the following packages at their current version:
1)     dpkg-dev [1.15.8.4 (now, testing)]                 
2)     libdpkg-perl [1.15.8.4 (now, testing)]             



Accept this solution? [Y/n/q/?] n
The following actions will resolve these dependencies:

     Upgrade the following packages:                                
1)     libdpkg-perl [1.15.8.4 (now, testing) -> 1.15.8.5 (unstable)]



Accept this solution? [Y/n/q/?] n
The following actions will resolve these dependencies:

     Remove the following packages:                                             
         
1)     mesa-build-deps                                                          
         

     Downgrade the following packages:                                          
         
2)     devscripts [2.10.68 (now, testing, unstable) -> 2.10.55~bpo50+1
(lenny-backports)]
3)     dpkg-dev [1.15.8.4 (now, testing) -> 1.14.29 (stable)]                   
         



Accept this solution? [Y/n/q/?] n
The following actions will resolve these dependencies:

     Remove the following packages:                                           
1)     mesa-build-deps                                                        

     Downgrade the following packages:                                        
2)     devscripts [2.10.68 (now, testing, unstable) -> 2.10.35lenny7
(stable)]
3)     dpkg-dev [1.15.8.4 (now, testing) -> 1.14.29 (stable)]                 



Accept this solution? [Y/n/q/?] ^C



-- Package-specific info:
aptitude 0.6.3 compiled at Aug 26 2010 20:10:19
Compiler: g++ 4.4.5 20100816 (prerelease)
Compiled against:
  apt version 4.10.0
  NCurses version 5.7
  libsigc++ version: 2.2.4.2
  Ept support enabled.
  Gtk+ support disabled.

Current library versions:
  NCurses version: ncurses 5.7.20100313
  cwidget version: 0.5.12
  Apt version: 4.10.1
        linux-gate.so.1 =>  (0xb7f93000)
        libapt-pkg.so.4.10 => /usr/lib/libapt-pkg.so.4.10 (0xb7e8d000)
        libncursesw.so.5 => /lib/libncursesw.so.5 (0xb7e47000)
        libsigc-2.0.so.0 => /usr/lib/libsigc-2.0.so.0 (0xb7e40000)
        libcwidget.so.3 => /usr/lib/libcwidget.so.3 (0xb7d7c000)
        libept.so.1 => /usr/lib/libept.so.1 (0xb7d2b000)
        libxapian.so.22 => /usr/lib/sse2/libxapian.so.22 (0xb7b50000)
        libz.so.1 => /usr/lib/libz.so.1 (0xb7b3b000)
        libsqlite3.so.0 => /usr/lib/libsqlite3.so.0 (0xb7ab0000)
        libboost_iostreams.so.1.42.0 => /usr/lib/libboost_iostreams.so.1.42.0 
(0xb7a97000)
        libpthread.so.0 => /lib/i686/cmov/libpthread.so.0 (0xb7a7e000)
        libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb7989000)
        libm.so.6 => /lib/i686/cmov/libm.so.6 (0xb7963000)
        libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb7956000)
        libc.so.6 => /lib/i686/cmov/libc.so.6 (0xb780f000)
        libutil.so.1 => /lib/i686/cmov/libutil.so.1 (0xb780b000)
        libdl.so.2 => /lib/i686/cmov/libdl.so.2 (0xb7807000)
        libuuid.so.1 => /lib/libuuid.so.1 (0xb7803000)
        libbz2.so.1.0 => /lib/libbz2.so.1.0 (0xb77f3000)
        librt.so.1 => /lib/i686/cmov/librt.so.1 (0xb77e9000)
        /lib/ld-linux.so.2 (0xb7f94000)
Terminal: screen
$DISPLAY is set.
`which aptitude`: /usr/bin/aptitude
aptitude version information:

aptitude linkage:

-- System Information:
Debian Release: squeeze/sid
  APT prefers stable
  APT policy: (990, 'stable'), (500, 'unstable'), (500, 'testing'), (1, 
'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.26-2-686 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages aptitude depends on:
ii  apt [libapt-pkg4.10]   0.8.5             Advanced front-end for dpkg
ii  libboost-iostreams1.42 1.42.0-4          Boost.Iostreams Library
ii  libc6                  2.11.2-6          Embedded GNU C Library: Shared lib
ii  libcwidget3            0.5.12-4          high-level terminal interface libr
ii  libept1                1.0.3+b1          High-level library for managing De
ii  libgcc1                1:4.3.2-1.1       GCC support library
ii  libncursesw5           5.7+20100313-3    shared libraries for terminal hand
ii  libsigc++-2.0-0c2a     2.0.18-2          type-safe Signal Framework for C++
ii  libsqlite3-0           3.7.2-1           SQLite 3 shared library
ii  libstdc++6             4.4.4-17          The GNU Standard C++ Library v3
ii  libxapian22            1.2.3-2           Search engine library
ii  zlib1g                 1:1.2.3.3.dfsg-12 compression library - runtime

Versions of packages aptitude recommends:
pn  apt-xapian-index              <none>     (no description available)
pn  aptitude-doc-en | aptitude-do <none>     (no description available)
ii  libparse-debianchangelog-perl 1.1.1-2    parse Debian changelogs and output
ii  sensible-utils                0.0.4      Utilities for sensible alternative

Versions of packages aptitude suggests:
pn  debtags                       <none>     (no description available)
ii  tasksel                       2.78       Tool for selecting tasks for insta

-- no debconf information



--- End Message ---
--- Begin Message ---
2014-02-07 22:56 To [email protected]:
Control: tags 598485 + moreinfo

According to the last messages, shouldn't this report have been closed long ago?

The problems related to offering suboptimal solutions is still present
and reported in many other bug reports, but the packages are most
probably not unrelated as the title suggests -- they are subtle
incompatibilities due to library transitions or similar (and that system
uses stable, testing, unstable and experimental, so this is likely to
happen).

aptitude does show more information about dependencies and reasons for
auto installing/removing if passing -D in the command line, or can be
discovered with "why" command, or browsing conflicts in the curses
interface.

This could be merged with other reports, but then again this report
doesn't add much info on top on what it's already there; and the main
problem to address those is the lack of time and difficulty of the task
rather than lack of reports about it.

So I am closing this now.


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

--- End Message ---
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