I'm working in a texlive2012 distro, under Scientific Linux 6.2 (like Red-Hat Enterprise Linux 6.2). When executing xdvi on a TeX file otherwise good, I get the following message:
"Could not load any of the map files listed in xdvi.cfg - disabling T1lib"
Actually in xdvi.cfg just one map file is named: ps2pk.map
It is present in several paths: kpsewhich found it in
/usr/share/texmf/fonts/map/dvips/updmap/ps2pk.map
/usr/share/texmf/fonts/map/pxdvi/ps2pk.map
/usr/local/texlive/2012/texmf-var/fonts/map/dvips/updmap/ps2pk.map
/usr/local/texlive/2012/texmf/fonts/map/dvips/updmap/ps2pk.map
/root/.texlive2012/texmf-var/fonts/map/dvips/updmap/ps2pk.map
I executed sudo mktexlsr and sudo texhash but nothing changed.
EDIT:
I forgot to say that it's a novel bug, never appeared in the past 10 years.