Possible Duplicate:
How do I fix a “Problem with MergeList” error when trying to do an update?
ryder@ryder-Q1500M:~$ do-release-upgrade
Checking for a new Ubuntu release
Get:1 Upgrade tool signature [198 B]
Get:2 Upgrade tool [1,200 kB]
Fetched 1,200 kB in 6s (6,988 B/s)
authenticate 'quantal.tar.gz' against 'quantal.tar.gz.gpg'
extracting 'quantal.tar.gz'
[sudo] password for ryder:
Reading cache
A fatal error occurred
Please report this as a bug and include the files
/var/log/dist-upgrade/main.log and /var/log/dist-upgrade/apt.log in
your report. The upgrade has aborted.
Your original sources.list was saved in
/etc/apt/sources.list.distUpgrade.
Traceback (most recent call last):
File "/tmp/update-manager-63XThv/quantal", line 10, in
sys.exit(main())
File "/tmp/update-manager-63XThv/DistUpgrade/DistUpgradeMain.py",
line 237, in main
save_system_state(logdir)
File "/tmp/update-manager-63XThv/DistUpgrade/DistUpgradeMain.py",
line 130, in save_system_state
scrub_sources=True)
File "/tmp/update-manager-63XThv/DistUpgrade/apt_clone.py", line 146,
in save_state
self._write_state_installed_pkgs(sourcedir, tar)
File "/tmp/update-manager-63XThv/DistUpgrade/apt_clone.py", line 173,
in _write_state_installed_pkgs
cache = self._cache_cls(rootdir=sourcedir)
File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 102, in
init
self.open(progress)
File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 145, in
open
self._cache = apt_pkg.Cache(progress)
SystemError: E:Encountered a section with no Package: header,
E:Problem with MergeList
/var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_precise-backports_multiverse_i18n_Translation-en,
E:The package lists or status file could not be parsed or opened.
