[Bug 1303042] [NEW] I met this problem for a long time, and it prevents me to update my system. check please. Thanks.

[xiaolongou]

Public bug reported:

W:Failed to fetch bzip2:/var/lib/apt/lists/partial/ftp.sjtu.edu.cn_ubuntu_dists_saucy-security_main_binary-amd64_Packages  Hash Sum mismatch
, W:Failed to fetch bzip2:/var/lib/apt/lists/partial/ftp.sjtu.edu.cn_ubuntu_dists_saucy-security_main_binary-i386_Packages  Hash Sum mismatch
, W:Failed to fetch bzip2:/var/lib/apt/lists/partial/ftp.sjtu.edu.cn_ubuntu_dists_saucy-updates_main_binary-amd64_Packages  Hash Sum mismatch
, W:Failed to fetch bzip2:/var/lib/apt/lists/partial/ftp.sjtu.edu.cn_ubuntu_dists_saucy-updates_main_binary-i386_Packages  Hash Sum mismatch
, E:Some index files failed to download. They have been ignored, or old ones used instead.

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

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https://bugs.launchpad.net/bugs/1303042

Title:
  I met this problem for a long time, and it prevents me to update my
  system. check please. Thanks.

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

Bug description:
  W:Failed to fetch bzip2:/var/lib/apt/lists/partial/ftp.sjtu.edu.cn_ubuntu_dists_saucy-security_main_binary-amd64_Packages  Hash Sum mismatch
  , W:Failed to fetch bzip2:/var/lib/apt/lists/partial/ftp.sjtu.edu.cn_ubuntu_dists_saucy-security_main_binary-i386_Packages  Hash Sum mismatch
  , W:Failed to fetch bzip2:/var/lib/apt/lists/partial/ftp.sjtu.edu.cn_ubuntu_dists_saucy-updates_main_binary-amd64_Packages  Hash Sum mismatch
  , W:Failed to fetch bzip2:/var/lib/apt/lists/partial/ftp.sjtu.edu.cn_ubuntu_dists_saucy-updates_main_binary-i386_Packages  Hash Sum mismatch
  , E:Some index files failed to download. They have been ignored, or old ones used instead.

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