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Authlogic save causing 502 Bad Gateway error, Illegal Instruction in Rails console
@user_session = UserSession.new(params[:user_session])
if @user_session.save
...

>> Authlogic::Session::Base.controller = Authlogic::ControllerAdapters::RailsAdapter.new(self)
>> @user_session = UserSession.new({"password"=>"password", "remember_me"=>"0", "login"=>"myuser"})
>> @user_session.save
Illegal instruction

stat("/opt/ruby-enterprise-1.8.7-2011.12/lib/ruby/1.8/digest.rb", {st_mode=S_IFREG|0644, st_size=1145, ...}) = 0
open("/opt/ruby-enterprise-1.8.7-2011.12/lib/ruby/1.8/digest.rb", O_RDONLY) = 15
fstat(15, {st_mode=S_IFREG|0644, st_size=1145, ...}) = 0
close(15)                               = 0
--- SIGILL (Illegal instruction) @ 0 (0) ---