With _either_ universe or main as the only component in sources.list* (others commented out), apt behaves fine.
having both main and universe there (quantal Release file with Date: Sun, 14 Oct 2012 15:20:26 UTC) leads apt-get update to die with:
0x00007ffff7b4dd20 in pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator&, std::string const&, std::string const&, std::string const&) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
With _either_ universe or main as the only component in sources.list* (others commented out), apt behaves fine.
having both main and universe there (quantal Release file with Date: Sun, 14 Oct 2012 15:20:26 UTC) leads apt-get update to die with: or::ListParser: :NewProvides( pkgCache: :VerIterator& , std::string const&, std::string const&, std::string const&) () from /usr/lib/ x86_64- linux-gnu/ libapt- pkg.so. 4.12
0x00007ffff7b4dd20 in pkgCacheGenerat