Is your perl compiled for multi-threaded? If not then maybe this could help.

In reply to Re: why @INC looks for lib/5.10.0/x86_64-linux, instead of lib/perl5/site_perl/5.10.0/x86_64-linux-thread-multi by gsiems
in thread why @INC looks for lib/5.10.0/x86_64-linux, instead of lib/perl5/site_perl/5.10.0/x86_64-linux-thread-multi by 2007fld

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