대표적인 몇군데 소스리스트(Kaist, US..)을 통해서 업그레이드 실패.
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deb http://ftp.daum.net/ubuntu feisty main multiverse restricted universe
deb-src http://ftp.daum.net/ubuntu feisty main multiverse restricted universe
deb http://ftp.daum.net/ubuntu feisty-backports main multiverse restricted universe
deb-src http://ftp.daum.net/ubuntu feisty-backports main multiverse restricted universe
deb http://ftp.daum.net/ubuntu feisty-proposed main multiverse restricted universe
deb-src http://ftp.daum.net/ubuntu feisty-proposed main multiverse restricted universe
deb http://ftp.daum.net/ubuntu feisty-security main multiverse restricted universe
deb-src http://ftp.daum.net/ubuntu feisty-security main multiverse restricted universe
deb http://ftp.daum.net/ubuntu feisty-updates main multiverse restricted universe
deb-src http://ftp.daum.net/ubuntu feisty-updates main multiverse restricted universe
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# ucdavis
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deb http://mirror.cse.ucdavis.edu/us.archive.ubuntu.com/ubuntu/ feisty main restricted
deb-src http://mirror.cse.ucdavis.edu/us.archive.ubuntu.com/ubuntu/ feisty main restricted
deb http://mirror.cse.ucdavis.edu/us.archive.ubuntu.com/ubuntu/ feisty-updates main restricted
deb-src http://mirror.cse.ucdavis.edu/us.archive.ubuntu.com/ubuntu/ feisty-updates main restricted
deb http://mirror.cse.ucdavis.edu/us.archive.ubuntu.com/ubuntu/ feisty universe
deb-src http://mirror.cse.ucdavis.edu/us.archive.ubuntu.com/ubuntu/ feisty universe
deb http://mirror.cse.ucdavis.edu/us.archive.ubuntu.com/ubuntu/ feisty-backports main restricted universe multiverse
deb-src http://mirror.cse.ucdavis.edu/us.archive.ubuntu.com/ubuntu/ feisty-backports main restricted universe multiverse
deb http://mirror.cse.ucdavis.edu/security.ubuntu.com/ubuntu/ feisty-security main restricted universe
deb-src http://mirror.cse.ucdavis.edu/security.ubuntu.com/ubuntu/ feisty-security main restricted
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