http://www.perlmonks.org?node_id=654153


in reply to Re^2: Memcache 'get' returns undef running under mod_perl (debug)
in thread Memcache 'get' returns undef running under mod_perl

To continue with the simple and obvious suggestions (that you may have already tried), add "-vv" to your memcached command line. (I was also suspicious of your "-u root" as hsinclai highlighted but it'd also be interesting to learn of the mechanics of the failure.)

- tye