[Bug 1492893] Re: 15.04 upgrade crashed.

[Brian Murray]

This upgrade failed due to an inability to contact the mirror of Ubuntu
which you use:

2015-09-07 10:29:38,257 DEBUG running doUpdate() (showErrors=True)
2015-09-07 10:37:42,890 ERROR IOError/SystemError in cache.update(): 'W:Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/vivid/universe/source/Sources  Unable to connect to ftp.iitm.ac.in:http:
, W:Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/vivid/multiverse/source/Sources  Unable to connect to ftp.iitm.ac.in:http:
, W:Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/vivid/main/binary-i386/Packages  Unable to connect to ftp.iitm.ac.in:http:
, W:Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/vivid/restricted/binary-i386/Packages  Unable to connect to ftp.iitm.ac.in:http:
, W:Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/vivid/universe/binary-i386/Packages  Unable to connect to ftp.iitm.ac.in:http:

Please try using a different server or check to see if there is an issue
with your network.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1492893

Title:
  15.04 upgrade crashed.

Status in ubuntu-release-upgrader package in Ubuntu:
  Incomplete

Bug description:
  I was trying to upgrade from 14.10 to 15.04 and could not succeed.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubuntu-release-upgrader-core 1:14.10.10
  ProcVersionSignature: Ubuntu 3.16.0-44.59-generic 3.16.7-ckt14
  Uname: Linux 3.16.0-44-generic i686
  ApportVersion: 2.14.7-0ubuntu8.5
  Architecture: i386
  CrashDB: ubuntu
  Date: Mon Sep  7 10:40:17 2015
  InstallationDate: Installed on 2011-08-15 (1483 days ago)
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to utopic on 2015-09-07 (0 days ago)
  VarLogDistupgradeAptlog:
   Log time: 2015-09-07 10:25:10.185062
   Log time: 2015-09-07 10:29:16.096644
   Log time: 2015-09-07 10:38:05.479619
   Log time: 2015-09-07 10:40:23.240373
  VarLogDistupgradeTermlog:

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