[Bug 1310325] Re: Upgrade from 13.10 to 14.04 fails (unable to calculate upgrade)

[Jean-Baptiste Lallement]

Thanks for your report.

The upgrader fails to calculate the upgrade because you have non-
official versions of libstdc++6 and gcc-4.9 installed on your system.
These packages cannot be upgraded and hold back several dependant
packages like libqt5core.

Here is the relevant part of the log
 809 Investigating (0) libstdc++6 [ amd64 ] < 4.9-20140218-1 > ( libs )
 810 Broken libstdc++6:amd64 Depends on gcc-4.9-base [ amd64 ] < 4.9-20140218-1 -> 4.9-20140406-0ubuntu1 > ( libs ) (= 4.9-20140218-1)
 811   Considering gcc-4.9-base:amd64 806 as a solution to libstdc++6:amd64 2272
 812   Added gcc-4.9-base:amd64 to the remove list
 813   Fixing libstdc++6:amd64 via keep of gcc-4.9-base:amd64
 814   MarkKeep gcc-4.9-base [ amd64 ] < 4.9-20140218-1 -> 4.9-20140406-0ubuntu1 > ( libs ) FU=0
 815  Try to Re-Instate (0) gcc-4.9-base:amd64
 816   MarkKeep gcc-4.9-base [ amd64 ] < 4.9-20140218-1 -> 4.9-20140406-0ubuntu1 > ( libs ) FU=0
 817 Investigating (0) gcc-4.9-base [ amd64 ] < 4.9-20140218-1 -> 4.9-20140406-0ubuntu1 > ( libs )
 818 Broken gcc-4.9-base:amd64 Breaks on gcc-4.9-base [ i386 ] < none -> 4.9-20140406-0ubuntu1 > ( libs ) (!= 4.9-20140218-1)
 819   Considering gcc-4.9-base:i386 9 as a solution to gcc-4.9-base:amd64 806
 820   Added gcc-4.9-base:i386 to the remove list
 821   Fixing gcc-4.9-base:amd64 via keep of gcc-4.9-base:i386
 822   MarkKeep gcc-4.9-base [ i386 ] < none -> 4.9-20140406-0ubuntu1 > ( libs ) FU=0


 865 Investigating (0) libgcc1 [ i386 ] < 1:4.8.1-10ubuntu9 -> 1:4.9-20140406-0ubuntu1 > ( libs )
 866 Broken libgcc1:i386 Depends on gcc-4.9-base [ i386 ] < none -> 4.9-20140406-0ubuntu1 > ( libs ) (= 4.9-20140406-0ubuntu1)
 867   Considering gcc-4.9-base:i386 9 as a solution to libgcc1:i386 12
 868   MarkKeep libgcc1 [ i386 ] < 1:4.8.1-10ubuntu9 -> 1:4.9-20140406-0ubuntu1 > ( libs ) FU=0
 869   Removing libgcc1:i386 rather than change gcc-4.9-base:i386
 870   MarkDelete libgcc1 [ i386 ] < 1:4.8.1-10ubuntu9 -> 1:4.9-20140406-0ubuntu1 > ( libs ) FU=0

 969 Investigating (1) libgcc1 [ amd64 ] < 1:4.8.1-10ubuntu9 -> 1:4.9-20140406-0ubuntu1 > ( libs )
 970 Broken libgcc1:amd64 Depends on gcc-4.9-base [ amd64 ] < 4.9-20140218-1 -> 4.9-20140406-0ubuntu1 > ( libs ) (= 4.9-20140406-0ubuntu1)
 971   Considering gcc-4.9-base:amd64 806 as a solution to libgcc1:amd64 3979
 972   MarkKeep libgcc1 [ amd64 ] < 1:4.8.1-10ubuntu9 -> 1:4.9-20140406-0ubuntu1 > ( libs ) FU=0
 973   Removing libgcc1:amd64 rather than change gcc-4.9-base:amd64
 974   MarkDelete libgcc1 [ amd64 ] < 1:4.8.1-10ubuntu9 -> 1:4.9-20140406-0ubuntu1 > ( libs ) FU=0


1017 Broken libqt5core5a:amd64 Depends on libgcc1 [ amd64 ] < 1:4.8.1-10ubuntu9 -> 1:4.9-20140406-0ubuntu1 > ( libs ) (>= 1:4.1.1)
1018   Considering libgcc1:amd64 3979 as a solution to libqt5core5a:amd64 200
1019   MarkKeep libqt5core5a [ amd64 ] < none -> 5.2.1+dfsg-1ubuntu14 > ( libs ) FU=0
1020   Holding Back libqt5core5a:amd64 rather than change libgcc1:amd64


The following packages are not from Ubuntu:
cpp-4.9 4.9-20140218-1 0
gcc-4.9-base 4.9-20140218-1 0
libasan1 4.9-20140218-1 0
libatomic1 4.9-20140218-1 0
libcilkrts5 4.9-20140218-1 0
libgomp1 4.9-20140218-1 0
libitm1 4.9-20140218-1 0
liblsan0 4.9-20140218-1 0
libquadmath0 4.9-20140218-1 0
libstdc++6 4.9-20140218-1 0
libtsan0 4.9-20140218-1 0
libubsan0 4.9-20140218-1 0
libvtv0 4.9-20140218-1 0

Please revert them to the versions from an official Ubuntu repository
and try the upgrade again.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/1310325

Title:
  Upgrade from 13.10 to 14.04 fails (unable to calculate upgrade)

Status in “ubuntu-release-upgrader” package in Ubuntu:
  Invalid

Bug description:
  See attached for further detail.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: ubuntu-release-upgrader-core 1:0.205.5
  ProcVersionSignature: Ubuntu 3.11.0-18.32-generic 3.11.10.4
  Uname: Linux 3.11.0-18-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  CrashDB: ubuntu
  Date: Mon Apr 21 03:20:43 2014
  InstallationDate: Installed on 2013-12-17 (124 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to saucy on 2014-04-20 (0 days ago)

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