[Bug 902077] [NEW] lucid->precise upgrade failure due to libdrm-nouveau1a Conflicts:

[Martin Pitt]

Public bug reported:

Upgrading lucid to precise desktop fails:

2011-12-08 06:50:02,921 DEBUG Installing 'xserver-xorg-video-all' (Distro KeepInstalledPkgs rule)
2011-12-08 06:50:02,975 ERROR Could not calculate the upgrade An unresolvable problem occurred while calculating the upgrade:
E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

This is probably due to

Package: libdrm-nouveau1a
Conflicts: libdrm-nouveau1

To ease apt's job, this should be something like

Breaks: libdrm-nouveau1
Replaces: libdrm-nouveau1


I'll confirm both the cause and the solution now.

** Affects: libdrm (Ubuntu)
     Importance: High
     Assignee: Martin Pitt (pitti)
         Status: Triaged

** Affects: libdrm (Ubuntu Precise)
     Importance: High
     Assignee: Martin Pitt (pitti)
         Status: Triaged

** Also affects: libdrm (Ubuntu Precise)
   Importance: Undecided
       Status: New

** Changed in: libdrm (Ubuntu Precise)
       Status: New => Incomplete

** Changed in: libdrm (Ubuntu Precise)
       Status: Incomplete => Triaged

** Changed in: libdrm (Ubuntu Precise)
     Assignee: (unassigned) => Martin Pitt (pitti)

** Changed in: libdrm (Ubuntu Precise)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/902077

Title:
  lucid->precise upgrade failure due to libdrm-nouveau1a Conflicts:

Status in “libdrm” package in Ubuntu:
  Triaged
Status in “libdrm” source package in Precise:
  Triaged

Bug description:
  Upgrading lucid to precise desktop fails:

  2011-12-08 06:50:02,921 DEBUG Installing 'xserver-xorg-video-all' (Distro KeepInstalledPkgs rule)
  2011-12-08 06:50:02,975 ERROR Could not calculate the upgrade An unresolvable problem occurred while calculating the upgrade:
  E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

  This is probably due to

  Package: libdrm-nouveau1a
  Conflicts: libdrm-nouveau1

  To ease apt's job, this should be something like

  Breaks: libdrm-nouveau1
  Replaces: libdrm-nouveau1

  
  I'll confirm both the cause and the solution now.

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