[srslte-users] srsUE show "Waring: Detect Radio link failure" after RRC Connect
Andre Puschmann
andre.puschmann at softwareradiosystems.com
Thu May 6 07:30:45 UTC 2021
Check the frequency as well I've noticed there is another 50 PRB cell on
the same EARFCN, so you likely getting interference.
Thanks
Andre
On 6/5/21 8:19, 張柏毅 wrote:
> Sorry for the slow reply and my poor english and thanks for your fast reply.
> I have make sure that srsUE and srsenb are running on USB3 this time.
> But I still get "Warning: Detected Radio-Link Failure" after RRC
> connected. And it will keep reestablish/disconnect.
> What will be problem result in ?
> Is there any approach to test the USRP function ? Maybe it's cause by
> the hardware, such as antenna.
> Thanks for any help that anyone provided.
>
> Under is the log I got this time:
>
> Built in Release mode using commit 45486b6e2 on branch master.
>
>
> --- Software Radio Systems EPC ---
>
> Reading configuration file /home/ubuntu/srsLTE/srsepc/epc.conf.example...
> HSS Initialized.
> MME S11 Initialized
> MME GTP-C Initialized
> MME Initialized. MCC: 0xf001, MNC: 0xff01
> SPGW GTP-U Initialized.
> SPGW S11 Initialized.
> SP-GW Initialized.
> Received S1 Setup Request.
> S1 Setup Request - eNB Name: srsenb01, eNB id: 0x19b
> S1 Setup Request - MCC:001, MNC:01
> S1 Setup Request - TAC 7, B-PLMN 0xf110
> S1 Setup Request - Paging DRX v128
> Sending S1 Setup Response
> Initial UE message: LIBLTE_MME_MSG_TYPE_ATTACH_REQUEST
> Received Initial UE message -- Attach Request
> Attach request -- M-TMSI: 0x52c819cc
> Attach request -- eNB-UE S1AP Id: 1
> Attach request -- Attach type: 1
> Attach Request -- UE Network Capabilities EEA: 11110000
> Attach Request -- UE Network Capabilities EIA: 01110000
> Attach Request -- MS Network Capabilities Present: false
> PDN Connectivity Request -- EPS Bearer Identity requested: 0
> PDN Connectivity Request -- Procedure Transaction Id: 1
> PDN Connectivity Request -- ESM Information Transfer requested: false
> UL NAS: Received Identity Response
> ID Response -- IMSI: 001010123456789
> Downlink NAS: Sent Authentication Request
> UL NAS: Received Authentication Response
> Authentication Response -- IMSI 001010123456789
> UE Authentication Accepted.
> Generating KeNB with UL NAS COUNT: 0
> Downlink NAS: Sending NAS Security Mode Command.
> UL NAS: Received Security Mode Complete
> Security Mode Command Complete -- IMSI: 001010123456789
> Getting subscription information -- QCI 7
> Sending Create Session Request.
> Creating Session Response -- IMSI: 1010123456789
> Creating Session Response -- MME control TEID: 1
> Received GTP-C PDU. Message type: GTPC_MSG_TYPE_CREATE_SESSION_REQUEST
> SPGW: Allocated Ctrl TEID 1
> SPGW: Allocated User TEID 1
> SPGW: Allocate UE IP 172.16.0.2
> Received Create Session Response
> Create Session Response -- SPGW control TEID 1
> Create Session Response -- SPGW S1-U Address: 127.0.1.100
> SPGW Allocated IP 172.16.0.2 to IMSI 001010123456789
> Adding attach accept to Initial Context Setup Request
> Sent Initial Context Setup Request. E-RAB id 5
> Received Initial Context Setup Response
> E-RAB Context Setup. E-RAB id 5
> E-RAB Context -- eNB TEID 0x1; eNB GTP-U Address 127.0.1.1
> UL NAS: Received Attach Complete
> Unpacked Attached Complete Message. IMSI 1010123456789
> Unpacked Activate Default EPS Bearer message. EPS Bearer id 5
> Received GTP-C PDU. Message type: GTPC_MSG_TYPE_MODIFY_BEARER_REQUEST
> Sending EMM Information
> SCTP Association Shutdown. Association: 4
> Deleting eNB context. eNB Id: 0x19b
> Releasing UEs context
> Releasing UE ECM context. UE-MME S1AP Id: 1
> Received GTP-C PDU. Message type: GTPC_MSG_TYPE_DELETE_SESSION_REQUEST
>
>
> Built in Release mode using commit 45486b6e2 on branch master.
>
> /home/ubuntu/srsLTE/srsenb/src/enb_cfg_parser.cc.890: Force DL EARFCN
> for cell PCI=1 to 3400
>
> Opening 1 channels in RF device=UHD with args=default
> [INFO] [UHD] linux; GNU C++ version 9.2.1 20200228; Boost_107100;
> UHD_3.15.0.0-2build5
> [INFO] [LOGGING] Fastpath logging disabled at runtime.
> Opening USRP channels=1, args: type=b200,master_clock_rate=23.04e6
> [INFO] [B200] Detected Device: B210
> [INFO] [B200] Operating over USB 3.
> [INFO] [B200] Initialize CODEC control...
> [INFO] [B200] Initialize Radio control...
> [INFO] [B200] Performing register loopback test...
> [INFO] [B200] Register loopback test passed
> [INFO] [B200] Performing register loopback test...
> [INFO] [B200] Register loopback test passed
> [INFO] [B200] Asking for clock rate 23.040000 MHz...
> [INFO] [B200] Actually got clock rate 23.040000 MHz.
> Setting frequency: DL=2685.0 Mhz, UL=2565.0 MHz for cc_idx=0
>
> ==== eNodeB started ===
> Type <t> to view trace
> RACH: tti=9621, cc=0, preamble=43, offset=3, temp_crnti=0x46
> User 0x46 connected
> t
> Enter t to stop trace.
>
> ------DL--------------------------------UL------------------------------------
> rnti cqi ri mcs brate ok nok (%) snr phr mcs brate ok nok (%)
> bsr
> 46 15 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
> RACH: tti=9861, cc=0, preamble=38, offset=3, temp_crnti=0x47
> Disconnecting rnti=0x46.
> User 0x47 connected
> 47 15 0 3.6 2.6k 4 0 0% 34.2 40.0 13 32k 3 0 0%
> 0.0
> 47 14 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
> 47 14 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
> 47 14 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
> 47 14 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
> 47 14 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
> 47 15 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
> 47 15 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
> 47 15 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
> 47 15 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
>
> ------DL--------------------------------UL------------------------------------
> rnti cqi ri mcs brate ok nok (%) snr phr mcs brate ok nok (%)
> bsr
> 47 15 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
> 47 15 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
> 47 15 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
> 47 15 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
> 47 15 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
> 47 15 0 0.0 0 0 0 0% 0 0.0 0 0 0 0 0%
> 0.0
> Stopping ..
> --- exiting ---
>
>
> Reading configuration file /home/hscc/srsLTE/srsue/ue.conf.example...
>
> Built in Release mode using commit 45486b6e2 on branch master.
> ==== UE started ===
> Opening 1 channels in RF device=UHD with args=default
> [INFO] [UHD] linux; GNU C++ version 9.2.1 20200304; Boost_107100;
> UHD_3.15.0.0-2build5
> [INFO] [LOGGING] Fastpath logging disabled at runtime.
> Opening USRP channels=1, args: type=b200,master_clock_rate=23.04e6
> [INFO] [B200] Detected Device: B210
> [INFO] [B200] Operating over USB 3.
> [INFO] [B200] Initialize CODEC control...
> [INFO] [B200] Initialize Radio control...
> [INFO] [B200] Performing register loopback test...
> [INFO] [B200] Register loopback test passed
> [INFO] [B200] Performing register loopback test...
> [INFO] [B200] Register loopback test passed
> [INFO] [B200] Asking for clock rate 23.040000 MHz...
> [INFO] [B200] Actually got clock rate 23.040000 MHz.
> Waiting PHY to initialize ... done!
> Attaching UE...
> .
> Found Cell: Mode=FDD, PCI=1, PRB=15, Ports=1, CFO=-1.7 KHz
> Found PLMN: Id=00101, TAC=7
> Random Access Transmission: seq=43, ra-rnti=0x2
> Random Access Complete. c-rnti=0x46, ta=3
> RRC Connected
> Network attach successful. IP: 172.16.0.2
> Software Radio Systems LTE (srsLTE) 6/5/2021 6:6:52 TZ:0
> Warning: Detected Radio-Link Failure
> RRC Connection Reestablishment to PCI=1, EARFCN=3400 (Cause: "otherFailure")
> Random Access Transmission: seq=38, ra-rnti=0x2
> Random Access Complete. c-rnti=0x47, ta=3
> Reestablishment OK
> RRC Connected
> RF status: O=0, U=1, L=0
> Warning: Detected Radio-Link Failure
> .RF status: O=0, U=1, L=0
>
> ..
> Found Cell: Mode=FDD, PCI=176, PRB=50, Ports=2, CFO=4.6 KHz
> ^CStopping ..
> .
> --- exiting ---
>
> Andre Puschmann <andre.puschmann at softwareradiosystems.com
> <mailto:andre.puschmann at softwareradiosystems.com>> 於 2021年5月5日 週三
> 下午6:01寫道：
>
> Hey,
>
> all of what your doing seems correct, besides the UE using USB2 for the
> USRP and thus causing many RF issues and yield RLF.
>
> See:
> [INFO] [B200] Operating over USB 2.
>
> Make sure to use USB3
>
> Thanks
> Andre
>
> On 5/5/21 11:44, 張柏毅 wrote:
> > Sorry I'm not sure that whether this is the correct approach to
> ask or not.
> > I have problem of "Waring: Detect Radio link failure", and I have
> > checked other people's message, still can't solve the problem.
> >
> > I'm using two USRP B210 to run srsLTE. All of them are Ubuntu
> 20.04, UHD
> > 3.15.0.0, and srsLTE on the master branch. After srsepc and srsenb
> work
> > normally, srsue will keep connect/disconnect with srsenb.
> >
> > It's a config problem or hardware issue(antenna, board)?
> > Thanks for any help that provided.
> >
> > Under is the log I got:
> > --- Software Radio Systems EPC ---
> >
> > Reading configuration file
> /home/ubuntu/srsLTE/srsepc/epc.conf.example...
> > HSS Initialized.
> > MME S11 Initialized
> > MME GTP-C Initialized
> > MME Initialized. MCC: 0xf001, MNC: 0xff01
> > SPGW GTP-U Initialized.
> > SPGW S11 Initialized.
> > SP-GW Initialized.
> > Received S1 Setup Request.
> > S1 Setup Request - eNB Name: srsenb01, eNB id: 0x19b
> > S1 Setup Request - MCC:001, MNC:01
> > S1 Setup Request - TAC 7, B-PLMN 0xf110
> > S1 Setup Request - Paging DRX v128
> > Sending S1 Setup Response
> > Initial UE message: LIBLTE_MME_MSG_TYPE_ATTACH_REQUEST
> > Received Initial UE message -- Attach Request
> > Attach request -- M-TMSI: 0x18da1cca
> > Attach request -- eNB-UE S1AP Id: 1
> > Attach request -- Attach type: 1
> > Attach Request -- UE Network Capabilities EEA: 11110000
> > Attach Request -- UE Network Capabilities EIA: 01110000
> > Attach Request -- MS Network Capabilities Present: false
> > PDN Connectivity Request -- EPS Bearer Identity requested: 0
> > PDN Connectivity Request -- Procedure Transaction Id: 1
> > PDN Connectivity Request -- ESM Information Transfer requested: false
> > Initial UE message: LIBLTE_MME_MSG_TYPE_ATTACH_REQUEST
> > Received Initial UE message -- Attach Request
> > Attach request -- M-TMSI: 0x18da1cca
> > Attach request -- eNB-UE S1AP Id: 2
> > Attach request -- Attach type: 1
> > Attach Request -- UE Network Capabilities EEA: 11110000
> > Attach Request -- UE Network Capabilities EIA: 01110000
> > Attach Request -- MS Network Capabilities Present: false
> > PDN Connectivity Request -- EPS Bearer Identity requested: 0
> > PDN Connectivity Request -- Procedure Transaction Id: 1
> > PDN Connectivity Request -- ESM Information Transfer requested: false
> > UL NAS: Received Identity Response
> > ID Response -- IMSI: 001010123456789
> > Downlink NAS: Sent Authentication Request
> > UL NAS: Received Authentication Response
> > Authentication Response -- IMSI 001010123456789
> > UE Authentication Accepted.
> > Generating KeNB with UL NAS COUNT: 0
> > Downlink NAS: Sending NAS Security Mode Command.
> > UL NAS: Received Security Mode Complete
> > Security Mode Command Complete -- IMSI: 001010123456789
> > Getting subscription information -- QCI 7
> > Sending Create Session Request.
> > Creating Session Response -- IMSI: 1010123456789
> > Creating Session Response -- MME control TEID: 1
> > Received GTP-C PDU. Message type: GTPC_MSG_TYPE_CREATE_SESSION_REQUEST
> > SPGW: Allocated Ctrl TEID 1
> > SPGW: Allocated User TEID 1
> > SPGW: Allocate UE IP 172.16.0.2
> > Received Create Session Response
> > Create Session Response -- SPGW control TEID 1
> > Create Session Response -- SPGW S1-U Address: 127.0.1.100
> > SPGW Allocated IP 172.16.0.2 to IMSI 001010123456789
> > Adding attach accept to Initial Context Setup Request
> > Sent Initial Context Setup Request. E-RAB id 5
> > Received Initial Context Setup Response
> > E-RAB Context Setup. E-RAB id 5
> > E-RAB Context -- eNB TEID 0x1; eNB GTP-U Address 127.0.1.1
> > UL NAS: Received Attach Complete
> > Unpacked Attached Complete Message. IMSI 1010123456789
> > Unpacked Activate Default EPS Bearer message. EPS Bearer id 5
> > Received GTP-C PDU. Message type: GTPC_MSG_TYPE_MODIFY_BEARER_REQUEST
> > Sending EMM Information
> > UL NAS: Detach Request
> > Detach request -- IMSI 001010123456789
> > Received GTP-C PDU. Message type: GTPC_MSG_TYPE_DELETE_SESSION_REQUEST
> > Received UE Context Release Complete. MME-UE S1AP Id 2
> > UE Context Release Completed.
> > Stopping ..
> > Deleting eNB context. eNB Id: 0x19b
> > Deleting UE EMM context. IMSI: 001010123456789
> >
> >
> > Built in Release mode using commit 45486b6e2 on branch master.
> >
> > /home/ubuntu/srsLTE/srsenb/src/enb_cfg_parser.cc.890: Force DL EARFCN
> > for cell PCI=1 to 3400
> >
> > Opening 1 channels in RF device=UHD with args=default
> > [INFO] [UHD] linux; GNU C++ version 9.2.1 20200228; Boost_107100;
> > UHD_3.15.0.0-2build5
> > [INFO] [LOGGING] Fastpath logging disabled at runtime.
> > Opening USRP channels=1, args: type=b200,master_clock_rate=23.04e6
> > [INFO] [B200] Detected Device: B210
> > [INFO] [B200] Operating over USB 3.
> > [INFO] [B200] Initialize CODEC control...
> > [INFO] [B200] Initialize Radio control...
> > [INFO] [B200] Performing register loopback test...
> > [INFO] [B200] Register loopback test passed
> > [INFO] [B200] Performing register loopback test...
> > [INFO] [B200] Register loopback test passed
> > [INFO] [B200] Asking for clock rate 23.040000 MHz...
> > [INFO] [B200] Actually got clock rate 23.040000 MHz.
> > Setting frequency: DL=2685.0 Mhz, UL=2565.0 MHz for cc_idx=0
> >
> > ==== eNodeB started ===
> > Type <t> to view trace
> > RACH: tti=4021, cc=0, preamble=49, offset=3, temp_crnti=0x46
> > RACH: tti=6741, cc=0, preamble=0, offset=3, temp_crnti=0x47
> > User 0x47 connected
> > RACH: tti=7621, cc=0, preamble=17, offset=3, temp_crnti=0x48
> > RACH: tti=7621, cc=0, preamble=20, offset=9, temp_crnti=0x49
> > SCHED: Could not transmit RAR within the window (RA=7621,
> > Window=[7624..7634], RAR=7636)
> > Disconnecting rnti=0x47.
> > Disconnecting rnti=0x49.
> > User 0x48 connected
> > RACH: tti=8151, cc=0, preamble=33, offset=3, temp_crnti=0x4a
> > RACH: tti=8151, cc=0, preamble=36, offset=9, temp_crnti=0x4b
> > Disconnecting rnti=0x48.
> > User 0x4a connected
> > Disconnecting rnti=0x4b.
> > Disconnecting rnti=0x4a.
> > Stopping ..
> > SCTP Association Shutdown. Association: 0
> > connect(): Connection refused
> > Failed to initiate SCTP socket. Attempting reconnection in 10 seconds
> > --- exiting ---
> >
> > ---------------srsUE--------------------
> > Built in Release mode using commit 45486b6e2 on branch master.
> >
> > Opening 1 channels in RF device=UHD with args=default
> > [INFO] [UHD] linux; GNU C++ version 9.2.1 20200304; Boost_107100;
> > UHD_3.15.0.0-2build5
> > [INFO] [LOGGING] Fastpath logging disabled at runtime.
> > Opening USRP channels=1, args: type=b200,master_clock_rate=23.04e6
> > [INFO] [B200] Detected Device: B210
> > [INFO] [B200] Operating over USB 2.
> > [INFO] [B200] Initialize CODEC control...
> > [INFO] [B200] Initialize Radio control...
> > [INFO] [B200] Performing register loopback test...
> > [INFO] [B200] Register loopback test passed
> > [INFO] [B200] Performing register loopback test...
> > [INFO] [B200] Register loopback test passed
> > [INFO] [B200] Asking for clock rate 23.040000 MHz...
> > [INFO] [B200] Actually got clock rate 23.040000 MHz.
> > Waiting PHY to initialize ... done!
> > Attaching UE...
> > .
> > Found Cell: Mode=FDD, PCI=1, PRB=15, Ports=1, CFO=-2.1 KHz
> > Found PLMN: Id=00101, TAC=7
> > Random Access Transmission: seq=49, ra-rnti=0x2
> > Random Access Complete. c-rnti=0x46, ta=3
> > RRC Connected
> > Warning: Detected Radio-Link Failure
> > RF status: O=0, U=1, L=0
> > RRC IDLE
> > RF status: O=0, U=4, L=2
> > RF status: O=0, U=34, L=35
> > .
> > Found Cell: Mode=FDD, PCI=1, PRB=15, Ports=1, CFO=-2.2 KHz
> > Found PLMN: Id=00101, TAC=7
> > Random Access Transmission: seq=0, ra-rnti=0x2
> > Random Access Complete. c-rnti=0x47, ta=3
> > RRC Connected
> > Network attach successful. IP: 172.16.0.2
> > Software Radio Systems LTE (srsLTE) 5/5/2021 9:24:20 TZ:0
> > RF status: O=0, U=4, L=0
> > RF status: O=0, U=3, L=6
> > RF status: O=0, U=2, L=7
> > Warning: Detected Radio-Link Failure
> > RRC Connection Reestablishment to PCI=1, EARFCN=3400 (Cause:
> "otherFailure")
> > Random Access Transmission: seq=17, ra-rnti=0x2
> > Random Access Complete. c-rnti=0x48, ta=3
> > Reestablishment OK
> > RRC Connected
> > Warning: Detected Radio-Link Failure
> > RF status: O=0, U=2, L=3
> > RRC Connection Reestablishment to PCI=1, EARFCN=3400 (Cause:
> "otherFailure")
> > Random Access Transmission: seq=33, ra-rnti=0x2
> > Random Access Complete. c-rnti=0x4a, ta=3
> > Reestablishment OK
> >
> > _______________________________________________
> > srslte-users mailing list
> > srslte-users at lists.softwareradiosystems.com
> <mailto:srslte-users at lists.softwareradiosystems.com>
> > http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
> <http://www.softwareradiosystems.com/mailman/listinfo/srslte-users>
> >
>
--
Andre Puschmann
Software Radio Systems (SRS)
http://www.softwareradiosystems.com
PGP/GnuPG key: 6C42AB31
fingerprint: 137A AE49 785B A445 257C 8AD7 D877 A498 6C42 AB31
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