dev-zzo
commented
2 years ago MSC log output:
Thu Apr 21 23:16:51 2022 <0003> ran_conn.c:117 ran_peer(UTRAN-Iu:RI-SSN_PC:PC-0-23-5:SSN-RANAP)[0x7dd400]{READY}: Received Event RAN_PEER_EV_MSG_DOWN_CO
Thu Apr 21 23:16:51 2022 <0021> sccp_scoc.c:1731 Received SCCP User Primitive (N-DATA.request)
Thu Apr 21 23:16:51 2022 <0021> sccp_scoc.c:1772 SCCP-SCOC(1)[0x7dd2c0]{ACTIVE}: Received Event N-DATA.req
Thu Apr 21 23:16:51 2022 <0020> sccp_scrc.c:401 sccp_scrc_rx_scoc_conn_msg: HDR=(CO:CODT,V=0,LEN=0), PART(T=Routing Context,L=4,D=00000000), PART(T=Destination Reference,L=4,D=000003ec), PART(T=Data,L=52,D=0014403000000200104024230532430981457b9a6d2cb7e96f450981457b9a6d2cb7e96f4722401222611540490101003b400100)
Thu Apr 21 23:16:51 2022 <0020> osmo_ss7_hmrt.c:280 m3ua_hmdc_rx_from_l2(): dpc=189=0.23.5 not local, message is for routing
Thu Apr 21 23:16:51 2022 <0020> osmo_ss7_hmrt.c:227 Found route for dpc=189=0.23.5: pc=0=0.0.0 mask=0x0=0.0.0 via AS as-clnt-OsmoMSC-A-Iu proto=m3ua
Thu Apr 21 23:16:51 2022 <0020> osmo_ss7_hmrt.c:235 rt->dest.as proto is M3UA for dpc=189=0.23.5
Thu Apr 21 23:16:51 2022 <0020> m3ua.c:508 XUA_AS(as-clnt-OsmoMSC-A-Iu)[0x7dece0]{AS_ACTIVE}: Received Event AS-TRANSFER.req
Thu Apr 21 23:16:51 2022 <000f> vlr_lu_fsm.c:741 vlr_lu_fsm(IMSI-901700000031978:MSISDN-666978:TMSI-0x2CEDD1CF:UTRAN-Iu-1:LU)[0x7e12c0]{VLR_ULA_S_WAIT_LU_COMPL}: State change to VLR_ULA_S_DONE (no timeout)
Thu Apr 21 23:16:51 2022 <0007> vlr_lu_fsm.c:729 msc_a(IMSI-901700000031978:MSISDN-666978:TMSI-0x2CEDD1CF:UTRAN-Iu-1:LU)[0x7e0bc8]{MSC_A_ST_AUTH_CIPH}: Received Event MSC_A_EV_AUTHENTICATED
Thu Apr 21 23:16:51 2022 <0007> msc_a.c:386 msc_a(IMSI-901700000031978:MSISDN-666978:TMSI-0x2CEDD1CF:UTRAN-Iu-1:LU)[0x7e0bc8]{MSC_A_ST_AUTH_CIPH}: State change to MSC_A_ST_AUTHENTICATED (keeping X1, 2.184s remaining)
Thu Apr 21 23:16:51 2022 <000b> msc_a.c:158 msc_a(IMSI-901700000031978:MSISDN-666978:TMSI-0x2CEDD1CF:UTRAN-Iu-1:LU)[0x7e0bc8]{MSC_A_ST_AUTHENTICATED}: - lu: now used by 1 (msc_a_ran_dec)
Thu Apr 21 23:16:51 2022 <000b> msc_a.c:198 msc_a(IMSI-901700000031978:MSISDN-666978:TMSI-0x2CEDD1CF:UTRAN-Iu-1:LU)[0x7e0bc8]{MSC_A_ST_AUTHENTICATED}: - msc_a_ran_dec: now used by 0 (-)
Thu Apr 21 23:16:51 2022 <0007> msc_a.c:1084 msc_a(IMSI-901700000031978:MSISDN-666978:TMSI-0x2CEDD1CF:UTRAN-Iu-1:LU)[0x7e0bc8]{MSC_A_ST_AUTHENTICATED}: Received Event MSC_A_EV_UNUSED
Thu Apr 21 23:16:51 2022 <0007> msc_a.c:535 msc_a(IMSI-901700000031978:MSISDN-666978:TMSI-0x2CEDD1CF:UTRAN-Iu-1:LU)[0x7e0bc8]{MSC_A_ST_AUTHENTICATED}: State change to MSC_A_ST_RELEASING (X2, 30s)
Thu Apr 21 23:16:51 2022 <0010> msc_a.c:769 msc_a(IMSI-901700000031978:MSISDN-666978:TMSI-0x2CEDD1CF:UTRAN-Iu-1:LU)[0x7e0bc8]{MSC_A_ST_RELEASING}: Releasing: msc_a use is 0 (-)
Thu Apr 21 23:16:51 2022 <000b> msc_a.c:773 VLR subscr IMSI-901700000031978:MSISDN-666978:TMSI-0x2CEDD1CF + msc_a_fsm_releasing_onenter: now used by 3 (active-conn,attached,msc_a_fsm_releasing_onenter)
Thu Apr 21 23:16:51 2022 <000b> vlr.c:309 VLR subscr IMSI-901700000031978:MSISDN-666978:TMSI-0x2CEDD1CF + vlr_subscr_cancel_attach_fsm: now used by 4 (active-conn,attached,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
Thu Apr 21 23:16:51 2022 <000b> vlr.c:314 VLR subscr IMSI-901700000031978:MSISDN-666978:TMSI-0x2CEDD1CF - vlr_subscr_cancel_attach_fsm: now used by 3 (active-conn,attached,msc_a_fsm_releasing_onenter)
Thu Apr 21 23:16:51 2022 <000b> msc_a.c:812 msc_a(IMSI-901700000031978:MSISDN-666978:TMSI-0x2CEDD1CF:UTRAN-Iu-1:LU)[0x7e0bc8]{MSC_A_ST_RELEASING}: + wait-Clear-Complete: now used by 1 (wait-Clear-Complete)
Thu Apr 21 23:16:51 2022 <0010> ran_msg_iu.c:422 msc_a(IMSI-901700000031978:MSISDN-666978:TMSI-0x2CEDD1CF:UTRAN-Iu-1:LU)[0x7e0bc8]{MSC_A_ST_RELEASING}: RAN encode: RANAP: Iu Release
Thu Apr 21 23:16:51 2022 <0007> msc_a.c:813 msc_i(IMSI-901700000031978:MSISDN-666978:TMSI-0x2CEDD1CF:UTRAN-Iu-1:LU)[0x7e0ac0]{READY}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUESTFor whatever reason it decides to release...
This completely prevents any packet service access. Capture over Iuh attached. This specific message seems to originate from MSC but no clear reason as to why -- no errors reported.
session-sctp.zip