> One question, how about simultaneous upcalls AUTH_GSS and AUTH_UNIX? > I'm not sure there is the such case, but an error could be taken for the successful case, no? This is the auth_gss module, and we always come here to obtain a GSS security context. In sec=sys case we might come here with RPC_AUTH_GSS_KRB5I (see nfs4_alloc_client() in nfs4client.c), though. In such case gssd might return an EACCESS error. -- Minoura Makoto <minoura@xxxxxxxxxxxxx>