stop: Unknown instance: 
Hit http://security.ubuntu.com karmic-security Release.gpg
Ign http://security.ubuntu.com karmic-security/main Translation-en_US
Hit http://archive.canonical.com karmic Release.gpg
Ign http://archive.canonical.com karmic/partner Translation-en_US
Hit http://ppa.launchpad.net karmic Release.gpg
Ign http://ppa.launchpad.net karmic/main Translation-en_US
Hit http://ppa.launchpad.net karmic Release.gpg
Hit http://us.archive.ubuntu.com karmic Release.gpg
Ign http://us.archive.ubuntu.com karmic/main Translation-en_US
Ign http://security.ubuntu.com karmic-security/restricted Translation-en_US
Ign http://security.ubuntu.com karmic-security/universe Translation-en_US
Ign http://security.ubuntu.com karmic-security/multiverse Translation-en_US
Hit http://archive.canonical.com karmic Release
Ign http://ppa.launchpad.net karmic/main Translation-en_US
Hit http://ppa.launchpad.net karmic Release.gpg
Ign http://ppa.launchpad.net karmic/main Translation-en_US
Hit http://ppa.launchpad.net karmic Release.gpg
Ign http://ppa.launchpad.net karmic/main Translation-en_US
Hit http://ppa.launchpad.net karmic Release
Ign http://us.archive.ubuntu.com karmic/restricted Translation-en_US
Ign http://us.archive.ubuntu.com karmic/universe Translation-en_US
Ign http://us.archive.ubuntu.com karmic/multiverse Translation-en_US
Hit http://us.archive.ubuntu.com karmic-updates Release.gpg
Ign http://us.archive.ubuntu.com karmic-updates/main Translation-en_US
Ign http://us.archive.ubuntu.com karmic-updates/restricted Translation-en_US
Ign http://us.archive.ubuntu.com karmic-updates/universe Translation-en_US
Ign http://us.archive.ubuntu.com karmic-updates/multiverse Translation-en_US
Hit http://security.ubuntu.com karmic-security Release
Hit http://us.archive.ubuntu.com karmic-backports Release.gpg
Ign http://us.archive.ubuntu.com karmic-backports/main Translation-en_US
Hit http://ppa.launchpad.net karmic Release
Hit http://ppa.launchpad.net karmic Release
Hit http://ppa.launchpad.net karmic Release
Hit http://archive.canonical.com karmic/partner Packages
Ign http://us.archive.ubuntu.com karmic-backports/restricted Translation-en_US
Ign http://us.archive.ubuntu.com karmic-backports/universe Translation-en_US
Ign http://us.archive.ubuntu.com karmic-backports/multiverse Translation-en_US
Hit http://security.ubuntu.com karmic-security/main Packages
Hit http://us.archive.ubuntu.com karmic Release
Hit http://us.archive.ubuntu.com karmic-updates Release
Hit http://ppa.launchpad.net karmic/main Packages
Hit http://archive.canonical.com karmic/partner Sources
Hit http://us.archive.ubuntu.com karmic-backports Release
Hit http://security.ubuntu.com karmic-security/restricted Packages
Hit http://security.ubuntu.com karmic-security/main Sources
Hit http://security.ubuntu.com karmic-security/restricted Sources
Hit http://security.ubuntu.com karmic-security/universe Packages
Hit http://ppa.launchpad.net karmic/main Packages
Hit http://ppa.launchpad.net karmic/main Packages
Hit http://ppa.launchpad.net karmic/main Packages
Hit http://ppa.launchpad.net karmic/main Sources
Hit http://us.archive.ubuntu.com karmic/main Packages
Hit http://us.archive.ubuntu.com karmic/restricted Packages
Hit http://us.archive.ubuntu.com karmic/main Sources
Hit http://us.archive.ubuntu.com karmic/restricted Sources
Hit http://us.archive.ubuntu.com karmic/universe Packages
Hit http://us.archive.ubuntu.com karmic/universe Sources
Hit http://security.ubuntu.com karmic-security/universe Sources
Hit http://security.ubuntu.com karmic-security/multiverse Packages
Hit http://security.ubuntu.com karmic-security/multiverse Sources
Hit http://us.archive.ubuntu.com karmic/multiverse Packages
Hit http://us.archive.ubuntu.com karmic/multiverse Sources
Hit http://us.archive.ubuntu.com karmic-updates/main Packages
Hit http://us.archive.ubuntu.com karmic-updates/restricted Packages
Hit http://us.archive.ubuntu.com karmic-updates/main Sources
Hit http://us.archive.ubuntu.com karmic-updates/restricted Sources
Hit http://us.archive.ubuntu.com karmic-updates/universe Packages
Hit http://us.archive.ubuntu.com karmic-updates/universe Sources
Hit http://us.archive.ubuntu.com karmic-updates/multiverse Packages
Hit http://us.archive.ubuntu.com karmic-updates/multiverse Sources
Hit http://us.archive.ubuntu.com karmic-backports/main Packages
Hit http://us.archive.ubuntu.com karmic-backports/restricted Packages
Hit http://us.archive.ubuntu.com karmic-backports/universe Packages
Hit http://us.archive.ubuntu.com karmic-backports/multiverse Packages
Hit http://us.archive.ubuntu.com karmic-backports/main Sources
Hit http://us.archive.ubuntu.com karmic-backports/restricted Sources
Hit http://us.archive.ubuntu.com karmic-backports/universe Sources
Hit http://us.archive.ubuntu.com karmic-backports/multiverse Sources
Reading package lists...
Reading package lists...
Building dependency tree...
Reading state information...
Reading extended state information...
Initializing package states...
The following packages have been kept back:
  xbmc xbmc-bin{a} xbmc-data{a} xbmc-eventclients-common 
  xbmc-eventclients-dev xbmc-eventclients-j2me xbmc-eventclients-ps3 
  xbmc-eventclients-wiiremote xbmc-eventclients-xbmc-send xbmc-live 
  xbmc-skin-confluence{a} xbmc-standalone{a} xbmc-web-pm3 
0 packages upgraded, 0 newly installed, 0 to remove and 13 not upgraded.
Need to get 0B of archives. After unpacking 0B will be used.
Writing extended state information...
Reading package lists...
Building dependency tree...
Reading state information...
Reading extended state information...
Initializing package states...