pptp падает

Может кто объяснить, в чем дело?
pptp через wifi (модуль ath_pci).
Или как сделать так, чтоб соединение автоподнималось...(((

Apr 26 15:23:28 localhost pptp[18656]: anon log[decaps_gre:pptp_gre.c:407]: buffering packet 684 (expecting 658, lost or reordered)
Apr 26 15:23:29 localhost pptp[18647]: anon log[pptp_handle_timer:pptp_ctrl.c:1049]: closing control connection due to missing echo reply
Apr 26 15:23:29 localhost pptp[18647]: anon log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 12 'Call-Clear-Request'
Apr 26 15:23:29 localhost pptp[18647]: anon log[pptp_conn_close:pptp_ctrl.c:430]: Closing PPTP connection
Apr 26 15:23:29 localhost pptp[18647]: anon log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 3 'Stop-Control-Connection-Request'
Apr 26 15:23:29 localhost pptp[18647]: anon log[call_callback:pptp_callmgr.c:78]: Closing connection (call state)
Apr 26 15:23:33 localhost pptp[18656]: anon log[decaps_gre:pptp_gre.c:407]: buffering packet 698 (expecting 697, lost or reordered)
Apr 26 15:23:33 localhost pppd[18650]: LCP terminated by peer (Peer not responding)
Apr 26 15:23:33 localhost pppd[18650]: Connect time 4.0 minutes.
Apr 26 15:23:33 localhost pppd[18650]: Sent 95943 bytes, received 246097 bytes.
Apr 26 15:23:36 localhost pppd[18650]: Connection terminated.
Apr 26 15:23:37 localhost pppd[18650]: Modem hangup
Apr 26 15:23:37 localhost pppd[18650]: Exit.
Apr 26 15:23:37 localhost pptp[18656]: anon warn[decaps_hdlc:pptp_gre.c:197]: short read (-1): Input/output error
Apr 26 15:23:37 localhost pptp[18656]: anon warn[decaps_hdlc:pptp_gre.c:209]: pppd may have shutdown, see pppd log