I can reproduce this message by adding many https repositories to sources.list. For example, with these sources (which are public, so you can try this yourself):
deb https://debathena.mit.edu/apt precise debathena deb-src https://debathena.mit.edu/apt precise debathena deb https://debathena.mit.edu/apt quantal debathena deb-src https://debathena.mit.edu/apt quantal debathena deb https://debathena.mit.edu/apt raring debathena deb-src https://debathena.mit.edu/apt raring debathena deb https://debathena.mit.edu/apt saucy debathena deb-src https://debathena.mit.edu/apt saucy debathena deb https://debathena.mit.edu/apt trusty debathena deb-src https://debathena.mit.edu/apt trusty debathena deb https://debathena.mit.edu/apt utopic debathena deb-src https://debathena.mit.edu/apt utopic debathena deb https://debathena.mit.edu/apt vivid debathena deb-src https://debathena.mit.edu/apt vivid debathena I get: $ sudo rm /var/lib/apt/lists/debathena* $ sudo apt-get update … W: Size of file /var/lib/apt/lists/partial/debathena.mit.edu_apt_dists_quantal_debathena_source_Sources.bz2 is not what the server reported 31194 16209 W: Size of file /var/lib/apt/lists/partial/debathena.mit.edu_apt_dists_saucy_debathena_source_Sources.bz2 is not what the server reported 31029 24393 W: Size of file /var/lib/apt/lists/partial/debathena.mit.edu_apt_dists_trusty_debathena_source_Sources.bz2 is not what the server reported 26334 16209 W: Size of file /var/lib/apt/lists/partial/debathena.mit.edu_apt_dists_utopic_debathena_source_Sources.bz2 is not what the server reported 26237 16209 W: Size of file /var/lib/apt/lists/partial/debathena.mit.edu_apt_dists_vivid_debathena_source_Sources.bz2 is not what the server reported 14 251 This does not happen with the same repositories over plain http. ** Also affects: apt (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apt in Ubuntu. https://bugs.launchpad.net/bugs/807303 Title: "bizarre error - file size is not what the server reported" with private ppa Status in Launchpad itself: Triaged Status in apt package in Ubuntu: New Bug description: My natty desktop machine has been happily subscribed to a private ppa for a long time. When I updated it today (for the first time in a month) it showed this error: Fetched 262 MB in 3min 47s (1,150 kB/s) Failed to fetch https://mbp:elided-passw...@private-ppa.launchpad.net/canonical-ux/walled-garden/ubuntu/pool/main/u/ubuntu-font-family-sources/ttf-ubuntu-font-family_0.71.2-0ubuntu5+phasedbeta3~natty_all.deb Size mismatch W: Bizarre Error - File size is not what the server reported 1728827 1712444 E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? It's possible this is some local error but it seems unlikely any network problem could interfere with a file served over https. To manage notifications about this bug go to: https://bugs.launchpad.net/launchpad/+bug/807303/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
