One of the most common issues is that mod_perl is installed as a DSO and not built statically into Apache. mod_perl is usually installed this way with rpm packages.
> I'm testing the latest perl rpms from redhat updates: > perl-5.6.1-26.72.3 > mod_perl-1.26-2 > > I'm using HTML::Mason. > > When I start apache it just dies silently without complaining > and I got nothing in the logs. > > I even tried to remove the former perl and modules. I rpmed -e > a lot of things. Then I removed the perl5 dirs and I installed > perl and modules. That didn't worked. > > When I asked in the Mason list I was told it was a modperl issue. > > How can I debug what's happening ? > > I've also noticed the cpan binaries aren't seeing well the > modules installed. When I do > cpan> install Bundle::CPAN > > it starts downloading the perl-5.6.1 sources. > > I made sure there are no other perl file binaries nor cpan > from other installations.