[Aptitude-devel] Bug#721753: Bug#721753: multiarch: "ambigous package name '$x' with more than one installed instance"

[Edward J. Shornock]

* Axel Beckert <abe at debian.org> [04-09-2013 00:21 EEST]:
> Hi Edward,
> 
> thanks for the bug report.
> 
> Edward J. Shornock wrote:
> > Package: aptitude
> > Version: 0.6.9.1-1
> 
> This was an experimental branch of aptitude which is unsupported and
> discontinued. It has been removed from Debian experimental months ago.

Sorry about that, I didn't notice.
> 
> Can you verify that the issue also exists with the aptitude 0.6.8.2-1
> from Stable/Testing or 0.6.8.2-1.2 from Unstable?

Yes, the problem can be seen with 0.6.8.2-1.2 as well.

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eshornock at darkside:~$ apt-cache policy aptitude
aptitude:
  Installed: 0.6.8.2-1.2
  Candidate: 0.6.8.2-1.2
  Version table:
 *** 0.6.8.2-1.2 0
        500 http://localhost:9999/debian/ sid/main amd64 Packages
        100 /var/lib/dpkg/status
     0.6.8.2-1 0
        500 http://localhost:9999/debian/ wheezy/main amd64 Packages
        500 http://localhost:9999/debian/ testing/main amd64 Packages
eshornock at darkside:~$ sudo aptitude purge ~c
The following packages will be REMOVED:  
  libmng1:i386{p} 
0 packages upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
Need to get 0 B of archives. After unpacking 0 B will be used.
Do you want to continue? [Y/n/?] y
dpkg: error: --purge needs a valid package name but 'libmng1' is not: ambiguous package name 'libmng1' with more than one installed instance
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