Hi All， I meet the PPP disconnect error in different task configuration.
If PPP task has higher priority, every thing is ok ######################## sifdown: unit 0: linkStatusCB=0x2013aabc errCode=-5 pppLinkStatusCallback: PPPERR_CONNECT IPCP: lowerdown state 9 (LS_OPENED) -> 1 (LS_STARTING) IPCP: close reason=LCP down state 1 (LS_STARTING) -> 0 (LS_INITIAL) pppLinkDown: unit 0 pppRecvWakeup: unit 0 ppp_send_config[0]: outACCM=FF FF FF FF ppp_recv_config[0]: inACCM=0 0 0 0 pppWrite[0]: len=29 fsm_sdata(LCP): Sent code 5,2,16. LCP: close reason=User request state 9 (LS_OPENED) -> 4 (LS_CLOSING) pppRecvWakeup: unit 0 pppInProc[0]: got 29 bytes tcpip_thread: CALLBACK 0x201a0b08 pppInput[0]: LCP len=16 fsm_input(LCP):6,2,16 fsm_rtermack(LCP): state=4 (LS_CLOSING) link_terminated: 0 Connection terminated. pppLinkTerminated: unit 0 pppRecvWakeup: unit 0 pppLinkTerminated: unit 0: linkStatusCB=0x2013aabc errCode=-5 pppLinkStatusCallback: PPPERR_USER pppLinkTerminated: finished. pppInput[0]: packet processed LOG_DEBUG |:SEND[ATH0 ] pppInProc[0]: got 14 bytes LOG_DEBUG |:Re-Send[ATH0 ] LOG_DEBUG |:RECV[6] LOG_DEBUG |:201d4ed0 : 0d 0a 4f 4b 0d 0a | ..OK. #################################### If PPP task has lower priority, I meet the pbuf assert ##################### pppClose() called pppClose: unit 0 kill_link -> pppStop pppStop: unit 0 link_down: 0 upap_lowerdown: 0 s=4 ipcp: down np_down: 0 proto=21 sifdown: unit 0: linkStatusCB=0x2013aabc errCode=-5 pppLinkStatusCallback: PPPERR_CONNECT IPCP: lowerdown state 9 (LS_OPENED) -> 1 (LS_STARTING) IPCP: close reason=LCP down state 1 (LS_STARTING) -> 0 (LS_INITIAL) pppLinkDown: unit 0 pppRecvWakeup: unit 0 ppp_send_config[0]: outACCM=FF FF FF FF ppp_recv_config[0]: inACCM=0 0 0 0 pppWrite[0]: len=29 fsm_sdata(LCP): Sent code 5,2,16. LCP: close reason=User request state 9 (LS_OPENED) -> 4 (LS_CLOSING) pppRecvWakeup: unit 0 pppInProc[0]: got 29 bytes tcpip_thread: CALLBACK 0x201a0b08 pppInput[0]: LCP len=16 fsm_input(LCP):6,2,16 fsm_rtermack(LCP): state=4 (LS_CLOSING) link_terminated: 0 Connection terminated. pppLinkTerminated: unit 0 pppRecvWakeup: unit 0 pppDrop: pbuf len=16, addr 0x201c60d4 pppLinkTerminated: unit 0: linkStatusCB=0x2013aabc errCode=-5 pppLinkStatusCallback: PPPERR_USER pppLinkTerminated: finished. pppInput[0]: packet processed Assertion "pbuf_free: p->ref > 0" failed at line 566 in pbuf.c ############################ lwIP 1.3.2 no problem. My version is an early 1.4.0 CVS version Is there any hint for me ?
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