The test-configuration.script and test-logical-pathname.script are failing on the latest Allegro 10 preview on Mac OS X on all the Allegro modern variants, and on the ANSI SMP variants. All tests pass on alisp non-SMP and alisp8 non-SMP. Test configuration: Running test-configuration.script with acl-10.0.pre-final.30s-macosx-x64 ; Loading /Users/rpg/lisp/asdf/test/test-configuration.script subdirectories of dir2/: (#P"/Users/rpg/lisp/asdf/build/dir2/dir3/" #P"/Users/rpg/lisp/asdf/build/dir2/dir4/") subdirectories of dir5/: (#P"/Users/rpg/lisp/asdf/build/dir5/dir6/" #P"/Users/rpg/lisp/asdf/build/dir5/dir7/") Source Registry: #<EQUAL hash-table with 22 entries @ #x1000cb1762> TEST ABORTED: the assertion (FIND-SYSTEM :FOO0 NIL) failed. test-logical-pathname: Test logical pathnames in source-registry, non-recursive TEST ABORTED: Component :TEST-LOGICAL-PATHNAME not found Is this the known no-trailing slash problem? Cheers, r