Hi Sergei,
On 5/18/21 4:19 PM, Sergei Golubtsov wrote:
Hi Denis and all,
I have some problems with the context activation on Quectel EC200T USB in
chinese network although in russian networks the modem works fine.
I have the following during the activation:
2021-05-18T23:35:50.624972+03:00 ofonod[999]: [info] Modem: < \r\nCONNECT\r\n
2021-05-18T23:35:50.625854+03:00 ofonod[999]: [debug]
../git/ofono/drivers/atmodem/gprs-context.c:at_cgdata_cb() ok 1
2021-05-18T23:35:50.626564+03:00 ofonod[999]: [debug]
../git/ofono/drivers/atmodem/gprs-context.c:setup_ppp()
2021-05-18T23:35:50.627463+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_generate_event: current state 0:INITIAL
2021-05-18T23:35:50.628216+03:00 ofonod[999]: [info] PPP: event: 0 (Up), action:
2, new_state: 2 (CLOSED)
2021-05-18T23:35:50.628884+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_generate_event: current state 2:CLOSED
2021-05-18T23:35:50.629521+03:00 ofonod[999]: [info] PPP: event: 2 (Open),
action: 1026, new_state: 6 (REQSENT)
2021-05-18T23:35:50.630234+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_initialize_restart_count: current state 2:CLOSED
2021-05-18T23:35:50.630876+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_send_configure_request: current state 2:CLOSED
2021-05-18T23:35:50.631641+03:00 ofonod[999]: [info] PPP:
../git/ofono/gatchat/gatppp.c:ppp_enter_phase() 1
2021-05-18T23:35:50.634253+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_process_configure_request: current state 6:REQSENT
2021-05-18T23:35:50.635270+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_generate_event: current state 6:REQSENT
2021-05-18T23:35:50.635423+03:00 ofonod[999]: [info] PPP: event: 7 (RCR-),
action: 4006, new_state: 6 (REQSENT)
Peer is sending us options we do not find acceptable... Do you have a wireshark
trace to see what this might be?
2021-05-18T23:35:50.635544+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_send_configure_nak: current state 6:REQSENT
2021-05-18T23:35:50.636566+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_process_configure_ack: current state 6:REQSENT
Looks like our options (that we're sending) are accepted by the peer
2021-05-18T23:35:50.636696+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_generate_event: current state 6:REQSENT
2021-05-18T23:35:50.637067+03:00 ofonod[999]: [info] PPP: event: 8 (RCA),
action: 27, new_state: 7 (ACKRCVD)
2021-05-18T23:35:50.637187+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_initialize_restart_count: current state 6:REQSENT
2021-05-18T23:35:50.637187+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_initialize_restart_count: current state 6:REQSENT
2021-05-18T23:35:50.637597+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_process_configure_request: current state 7:ACKRCVD
2021-05-18T23:35:50.637715+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_generate_event: current state 7:ACKRCVD
2021-05-18T23:35:50.637826+03:00 ofonod[999]: [info] PPP: event: 7 (RCR-),
action: 4007, new_state: 7 (ACKRCVD)
2021-05-18T23:35:50.637929+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_send_configure_nak: current state 7:ACKRCVD
2021-05-18T23:35:50.639907+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_process_configure_request: current state 7:ACKRCVD
2021-05-18T23:35:50.640246+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_generate_event: current state 7:ACKRCVD
2021-05-18T23:35:50.640992+03:00 ofonod[999]: [info] PPP: event: 7 (RCR-),
action: 4007, new_state: 7 (ACKRCVD)
and basically we get into an infinite loop with the peer trying to set some
options we find unacceptable..
So, the following lines repeats infinitely, context is not activated and ofono
uses ~90% of the CPU until I stop it:
2021-05-18T23:35:50.637929+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_send_configure_nak: current state 7:ACKRCVD
2021-05-18T23:35:50.639907+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_process_configure_request: current state 7:ACKRCVD
2021-05-18T23:35:50.640246+03:00 ofonod[999]: [info] PPP: lcp:
pppcp_generate_event: current state 7:ACKRCVD
2021-05-18T23:35:50.640992+03:00 ofonod[999]: [info] PPP: event: 7 (RCR-),
action: 4007, new_state: 7 (ACKRCVD)
Could someone shed a light on what is going on there and how to solve that?
Thanks in advance.
Have a nice day.
Yours sincerely,
Sergei Golubtsov.
Regards,
-Denis
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