Comment 83 for bug 346386

The reason that we reopened this bug report is that we are seeing duplicates of it reported from precise users, which should have a fixed version of apt installed. Using the tool lp-bug-dupe-properties from lptools we can see the following:

./lp-bug-dupe-properties --bug 346386 --rtags
…
precise: 946692 948744 967411 989262 989270 989293 989602 996030 1001769 1001932 1006103

Of those bug 1006103 has the most details.

I am also able to recreate this bug by performing the following steps:

1) Edit some packages file in /var/lib/apt/lists/ to be missing a Package: line or just remove the whole file
2) Run 'sudo apt-get update'
3) Observe the message 'Encountered a section with no Package: header' … 'Problem with MergeList'

I took the above steps instead of trying to create a proxy server that would block access to the archive. Even if this test is bad it is still worrisome that we are actively receiving duplicates of this bug.