state -> 68, http request tx/rx inet_chksum_pseudo(): checksumming pbuf 2003A5AC (has next 00000000) inet_chksum_pseudo(): pbuf chain lwip_chksum()=743e ip4_output_if: pp0 IP header: +-------------------------------+ | 4 | 5 | 0x00 | 64 | (v, hl, tos, len) +-------------------------------+ | 4 |000| 0 | (id, flags, offset) +-------------------------------+ | 255 | 17 | 0xd67a | (ttl, proto, chksum) +-------------------------------+ | 10 | 38 | 202 | 248 | (src) +-------------------------------+ | 8 | 8 | 8 | 8 | (dest) +-------------------------------+ ip4_output_if: call netif->output() pppos_netif_output[0]: proto=0x21, len = 64 inet_chksum_pseudo(): checksumming pbuf 2003A5AC (has next 00000000) inet_chksum_pseudo(): pbuf chain lwip_chksum()=743e ip4_output_if: pp0 IP header: +-------------------------------+ | 4 | 5 | 0x00 | 64 | (v, hl, tos, len) +-------------------------------+ | 5 |000| 0 | (id, flags, offset) +-------------------------------+ | 255 | 17 | 0xd679 | (ttl, proto, chksum) +-------------------------------+ | 10 | 38 | 202 | 248 | (src) +-------------------------------+ | 8 | 8 | 8 | 8 | (dest) +-------------------------------+ ip4_output_if: call netif->output() pppos_netif_output[0]: proto=0x21, len = 64 inet_chksum_pseudo(): checksumming pbuf 2003A5AC (has next 00000000) inet_chksum_pseudo(): pbuf chain lwip_chksum()=743e ip4_output_if: pp0 IP header: +-------------------------------+ | 4 | 5 | 0x00 | 64 | (v, hl, tos, len) +-------------------------------+ | 6 |000| 0 | (id, flags, offset) +-------------------------------+ | 255 | 17 | 0xd678 | (ttl, proto, chksum) +-------------------------------+ | 10 | 38 | 202 | 248 | (src) +-------------------------------+ | 8 | 8 | 8 | 8 | (dest) +-------------------------------+ ip4_output_if: call netif->output() pppos_netif_output[0]: proto=0x21, len = 64 inet_chksum_pseudo(): checksumming pbuf 2003A5AC (has next 00000000) inet_chksum_pseudo(): pbuf chain lwip_chksum()=743e ip4_output_if: pp0 IP header: +-------------------------------+ | 4 | 5 | 0x00 | 64 | (v, hl, tos, len) +-------------------------------+ | 7 |000| 0 | (id, flags, offset) +-------------------------------+ | 255 | 17 | 0xd677 | (ttl, proto, chksum) +-------------------------------+ | 10 | 38 | 202 | 248 | (src) +-------------------------------+ | 8 | 8 | 8 | 8 | (dest) +-------------------------------+ ip4_output_if: call netif->output() pppos_netif_output[0]: proto=0x21, len = 64 tcpip_inpkt: PACKET 20039988/200408D4 pppos_input[0]: got 202 bytes ppp_input[0]: ip in pbuf len=96 ip_input: iphdr->dest 0xf8ca260a netif->ip_addr 0xf8ca260a (0xf8ca260a, 0xf8ca260a, 0x0) ip4_input: packet accepted on interface pp ip4_input: IP header: +-------------------------------+ | 4 | 5 | 0x58 | 96 | (v, hl, tos, len) +-------------------------------+ | 48771 |000| 0 | (id, flags, offset) +-------------------------------+ | 121 | 17 | 0x9d83 | (ttl, proto, chksum) +-------------------------------+ | 8 | 8 | 8 | 8 | (src) +-------------------------------+ | 10 | 38 | 202 | 248 | (dest) +-------------------------------+ ip4_input: p->len 96 p->tot_len 96 inet_chksum_pseudo(): checksumming pbuf 20039AFC (has next 00000000) inet_chksum_pseudo(): pbuf chain lwip_chksum()=ffff ppp_input[0]: ip in pbuf len=96 ip_input: iphdr->dest 0xf8ca260a netif->ip_addr 0xf8ca260a (0xf8ca260a, 0xf8ca260a, 0x0) ip4_input: packet accepted on interface pp ip4_input: IP header: +-------------------------------+ | 4 | 5 | 0x58 | 96 | (v, hl, tos, len) +-------------------------------+ | 29768 |000| 0 | (id, flags, offset) +-------------------------------+ | 121 | 17 | 0xe7be | (ttl, proto, chksum) +-------------------------------+ | 8 | 8 | 8 | 8 | (src) +-------------------------------+ | 10 | 38 | 202 | 248 | (dest) +-------------------------------+ ip4_input: p->len 96 p->tot_len 96 inet_chksum_pseudo(): checksumming pbuf 20039AFC (has next 00000000) inet_chksum_pseudo(): pbuf chain lwip_chksum()=ffff ip4_output_if: pp0 IP header: +-------------------------------+ | 4 | 5 | 0x00 | 56 | (v, hl, tos, len) +-------------------------------+ | 8 |000| 0 | (id, flags, offset) +-------------------------------+ | 255 | 1 | 0xd68e | (ttl, proto, chksum) +-------------------------------+ | 10 | 38 | 202 | 248 | (src) +-------------------------------+ | 8 | 8 | 8 | 8 | (dest) +-------------------------------+ ip4_output_if: call netif->output() pppos_netif_output[0]: proto=0x21, len = 56 http -> resolved ip: www.opencellid.org, ip: 172.67.157.197 tcp_connect to port 811 tcp_enqueue_flags: queueing 6509:6510 (0x2) tcp_output_segment: 6509:6509 inet_chksum_pseudo(): checksumming pbuf 2003A5AC (has next 00000000) inet_chksum_pseudo(): pbuf chain lwip_chksum()=7892 ip4_output_if: pp0 IP header: +-------------------------------+ | 4 | 5 | 0x00 | 44 | (v, hl, tos, len) +-------------------------------+ | 9 |000| 0 | (id, flags, offset) +-------------------------------+ | 255 | 6 | 0x9c9b | (ttl, proto, chksum) +-------------------------------+ | 10 | 38 | 202 | 248 | (src) +-------------------------------+ | 172 | 67 | 157 | 197 | (dest) +-------------------------------+ ip4_output_if: call netif->output() pppos_netif_output[0]: proto=0x21, len = 44 tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_output_segment: 6509:6509 inet_chksum_pseudo(): checksumming pbuf 2003A5AC (has next 00000000) inet_chksum_pseudo(): pbuf chain lwip_chksum()=7892 ip4_output_if: pp0 IP header: +-------------------------------+ | 4 | 5 | 0x00 | 44 | (v, hl, tos, len) +-------------------------------+ | 10 |000| 0 | (id, flags, offset) +-------------------------------+ | 255 | 6 | 0x9c9a | (ttl, proto, chksum) +-------------------------------+ | 10 | 38 | 202 | 248 | (src) +-------------------------------+ | 172 | 67 | 157 | 197 | (dest) +-------------------------------+ ip4_output_if: call netif->output() pppos_netif_output[0]: proto=0x21, len = 44 tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_output_segment: 6509:6509 inet_chksum_pseudo(): checksumming pbuf 2003A5AC (has next 00000000) inet_chksum_pseudo(): pbuf chain lwip_chksum()=7892 ip4_output_if: pp0 IP header: +-------------------------------+ | 4 | 5 | 0x00 | 44 | (v, hl, tos, len) +-------------------------------+ | 11 |000| 0 | (id, flags, offset) +-------------------------------+ | 255 | 6 | 0x9c99 | (ttl, proto, chksum) +-------------------------------+ | 10 | 38 | 202 | 248 | (src) +-------------------------------+ | 172 | 67 | 157 | 197 | (dest) +-------------------------------+ ip4_output_if: call netif->output() pppos_netif_output[0]: proto=0x21, len = 44 tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_output_segment: 6509:6509 inet_chksum_pseudo(): checksumming pbuf 2003A5AC (has next 00000000) inet_chksum_pseudo(): pbuf chain lwip_chksum()=7892 ip4_output_if: pp0 IP header: +-------------------------------+ | 4 | 5 | 0x00 | 44 | (v, hl, tos, len) +-------------------------------+ | 12 |000| 0 | (id, flags, offset) +-------------------------------+ | 255 | 6 | 0x9c98 | (ttl, proto, chksum) +-------------------------------+ | 10 | 38 | 202 | 248 | (src) +-------------------------------+ | 172 | 67 | 157 | 197 | (dest) +-------------------------------+ ip4_output_if: call netif->output() pppos_netif_output[0]: proto=0x21, len = 44 tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_output_segment: 6509:6509 inet_chksum_pseudo(): checksumming pbuf 2003A5AC (has next 00000000) inet_chksum_pseudo(): pbuf chain lwip_chksum()=7892 ip4_output_if: pp0 IP header: +-------------------------------+ | 4 | 5 | 0x00 | 44 | (v, hl, tos, len) +-------------------------------+ | 13 |000| 0 | (id, flags, offset) +-------------------------------+ | 255 | 6 | 0x9c97 | (ttl, proto, chksum) +-------------------------------+ | 10 | 38 | 202 | 248 | (src) +-------------------------------+ | 172 | 67 | 157 | 197 | (dest) +-------------------------------+ ip4_output_if: call netif->output() pppos_netif_output[0]: proto=0x21, len = 44 tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_output_segment: 6509:6509 inet_chksum_pseudo(): checksumming pbuf 2003A5AC (has next 00000000) inet_chksum_pseudo(): pbuf chain lwip_chksum()=7892 ip4_output_if: pp0 IP header: +-------------------------------+ | 4 | 5 | 0x00 | 44 | (v, hl, tos, len) +-------------------------------+ | 14 |000| 0 | (id, flags, offset) +-------------------------------+ | 255 | 6 | 0x9c96 | (ttl, proto, chksum) +-------------------------------+ | 10 | 38 | 202 | 248 | (src) +-------------------------------+ | 172 | 67 | 157 | 197 | (dest) +-------------------------------+ ip4_output_if: call netif->output() pppos_netif_output[0]: proto=0x21, len = 44 tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: processing active pcb tcp_output_segment: 6509:6509 inet_chksum_pseudo(): checksumming pbuf 2003A5AC (has next 00000000) inet_chksum_pseudo(): pbuf chain lwip_chksum()=7892 ip4_output_if: pp0 IP header: +-------------------------------+ | 4 | 5 | 0x00 | 44 | (v, hl, tos, len) +-------------------------------+ | 15 |000| 0 | (id, flags, offset) +-------------------------------+ | 255 | 6 | 0x9c95 | (ttl, proto, chksum) +-------------------------------+ | 10 | 38 | 202 | 248 | (src) +-------------------------------+ | 172 | 67 | 157 | 197 | (dest) +-------------------------------+ ip4_output_if: call netif->output() pppos_netif_output[0]: proto=0x21, len = 44 tcp_slowtmr: polling application tcp_output: nothing to send (00000000) tcp_slowtmr: processing active pcb tcp_slowtmr: max SYN retries reached tcp_pcb_purge tcp_pcb_purge: data left on ->unacked http -> do_send, error connect sys_mbox_free error at line 76 ../Application/User/Src/lwip_sys_arch.c state -> 68 to 40, app idle