[Bug 875703] Re: Oneiric upgrade broken - Exception during pm.DoInstall(): E:Internal Error, Could not early remove liblcms1

[Frank Lazzarini]

I actually had the same problem on one of my machines, and I searched
for it everywhere but couldn't really seem to understand why apt-get
couldn "early remove" liblcms1 ... after some searching I stumbled upon
this bug https://bugs.launchpad.net/ubuntu/+source/apt/+bug/802901 which
is kind of the same problem. Here this guy had arm libraries installed
on his system, so on my system which is x64 I had also x86 libs
installed, so what I did was

sudo apt-get remove nspluginwrapper (for some reason I had to uninstall this first in order to uninstall ia32-libs)
sudo apt-get remove ia32-libs 
sudo apt-get update && sudo apt-get dist-upgrade


and it should work again

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https://bugs.launchpad.net/bugs/875703

Title:
  Oneiric upgrade broken - Exception during pm.DoInstall():  E:Internal
  Error, Could not early remove liblcms1

Status in “update-manager” package in Ubuntu:
  Confirmed

Bug description:
  Just wanted to upgrade my Natty to Oneiric via do-release-upgrade:

  But this just fails with this message - token from screenlog:

  Systemaktualisierung wird durchgeführt
  start: Job is already running: apport
  ^MFetched 0 B in 0s (0 B/s)                                                                                                                                   
   
  Exception during pm.DoInstall():  E:Internal Error, Could not early remove liblcms1
  Keine aktuellen Absturzberichte. Versuchen Sie --help für weitere Informationen.

  Die Aktualisierungen konnten nicht installiert werden

  
  Don't know what the error is - but i am unable to upgrade and my system is left in a broken state now - anything i can do to find the "culprit" why upgrade fails here?

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