[Bug 1310168] [NEW] cannot upgrade from 13.10 to 14.04

[Mohammed Vawda]

Public bug reported:

An unresolvable problem occurred while calculating the upgrade.

 This can be caused by:
 * Upgrading to a pre-release version of Ubuntu
 * Running the current pre-release version of Ubuntu
 * Unofficial software packages not provided by Ubuntu

If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.
which gives following result
Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 14: reading configurations from ~/.fonts.conf is deprecated.
mohammed at mohammed-HP-EliteBook-8440p:~$ Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 14: reading configurations from ~/.fonts.conf is deprecated.
Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 14: reading configurations from ~/.fonts.conf is deprecated.
[8877:8927:0420/043933:ERROR:download.cc(356)] PostClientToServerMessage() failed during GetUpdates

(exe:9359): Gdk-WARNING **: XID collision, trouble ahead

(exe:9359): Gdk-WARNING **: XID collision, trouble ahead
NVIDIA: could not open the device file /dev/nvidia0 (Operation not permitted).
NVIDIA: could not open the device file /dev/nvidia0 (Operation not permitted).

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: ubuntu-release-upgrader-core 1:0.205.5
ProcVersionSignature: Ubuntu 3.11.0-19.33-generic 3.11.10.5
Uname: Linux 3.11.0-19-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
CrashDB: ubuntu
Date: Sun Apr 20 04:37:50 2014
InstallationDate: Installed on 2013-11-06 (164 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)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade saucy third-party-packages

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https://bugs.launchpad.net/bugs/1310168

Title:
  cannot upgrade from 13.10 to 14.04

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

Bug description:
  An unresolvable problem occurred while calculating the upgrade.

   This can be caused by:
   * Upgrading to a pre-release version of Ubuntu
   * Running the current pre-release version of Ubuntu
   * Unofficial software packages not provided by Ubuntu

  If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.
  which gives following result
  Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 14: reading configurations from ~/.fonts.conf is deprecated.
  mohammed at mohammed-HP-EliteBook-8440p:~$ Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 14: reading configurations from ~/.fonts.conf is deprecated.
  Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 14: reading configurations from ~/.fonts.conf is deprecated.
  [8877:8927:0420/043933:ERROR:download.cc(356)] PostClientToServerMessage() failed during GetUpdates

  (exe:9359): Gdk-WARNING **: XID collision, trouble ahead

  (exe:9359): Gdk-WARNING **: XID collision, trouble ahead
  NVIDIA: could not open the device file /dev/nvidia0 (Operation not permitted).
  NVIDIA: could not open the device file /dev/nvidia0 (Operation not permitted).

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: ubuntu-release-upgrader-core 1:0.205.5
  ProcVersionSignature: Ubuntu 3.11.0-19.33-generic 3.11.10.5
  Uname: Linux 3.11.0-19-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  CrashDB: ubuntu
  Date: Sun Apr 20 04:37:50 2014
  InstallationDate: Installed on 2013-11-06 (164 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)
  VarLogDistupgradeTermlog:

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