kpppd in suse 9.1

Pri popitke podkluchitsya k internetu cherez kpppd voznikayut 2 varianta: 1) esli ya po rootom to vidaetsya soobshenie : neizvestnaya komanda passwordfd 2) esli ne pod rootom to : Unable to create modem lock file. Pol'zovatel' dobavlen v gruppy dialout. S chem eto mojet bit' svyazano?