[USRP-users] Re: I am trying to deploy eNb using USRP B2100. But, when I am going to compile and run eNb and I notice error( Error signal 11). I would like to mention that I successfully installed UHD and GNU and dependency driver. I did the work following the manual step by step.

Marcus D. Leech Mon, 01 Aug 2022 09:45:19 -0700

On 2022-08-01 12:40, Md Moklesur Rahman via USRP-users wrote:

dipu@dipu-HP-EliteBook-840-G4:~/openairinterface5g-develop/openairinterface5g/targets/bin$sudo -E ./lte-softmodem.Rel14 -O../../ci-scripts/conf_files/enb.band7.tm1.50PRB.usrpb210.conf -d

[CONFIG] get parameters from libconfig../../ci-scripts/conf_files/enb.band7.tm1.50PRB.usrpb210.conf , debugflags: 0x00000000


[CONFIG] function config_libconfig_init returned 0

[CONFIG] config module libconfig loaded

[LIBCONFIG] config: 1/1 parameters successfully set, (1 to default value)

# /dev/cpu_dma_latency set to 0us

[LIBCONFIG] log_config: 3/3 parameters successfully set, (1 to defaultvalue)

[LIBCONFIG] log_config: 46/46 parameters successfully set, (40 todefault value)

[LIBCONFIG] log_config: 46/46 parameters successfully set, (46 todefault value)

[LIBCONFIG] log_config: 15/15 parameters successfully set, (15 todefault value)


log init done

Reading in command-line options

[LIBCONFIG] (root): 21/21 parameters successfully set, (18 to defaultvalue)


[LIBCONFIG] (root): 5/5 parameters successfully set, (4 to default value)

Getting ENBSParams

[LIBCONFIG] (root): 3/3 parameters successfully set, (1 to default value)

[LIBCONFIG] THREAD_STRUCT.[0]: 2/2 parameters successfully set, (0 todefault value)


Configuration: nb_rrc_inst 1, nb_L1_inst 1, nb_ru 1

[LIBCONFIG] loader: 2/2 parameters successfully set, (2 to default value)

[LIBCONFIG] loader.NB_IoT: 2/2 parameters successfully set, (1 todefault value)

[LOADER] library libNB_IoT.so is not loaded: libNB_IoT.so: cannot openshared object file: No such file or directory


nb_nbiot_rrc_inst 0, nb_nbiot_L1_inst 0, nb_nbiot_macrlc_inst 0

[LIBCONFIG] TTracer: 4/4 parameters successfully set, (4 to default value)

configuring for RAU/RRU

CPU Freq is 2.712165

ITTI init, useMME: 1

[TMR] Starting itti queue: TASK_UNKNOWN as task 0

[TMR] Starting itti queue: TASK_TIMER as task 1

[TMR] Starting itti queue: TASK_L2L1 as task 2

[TMR] Starting itti queue: TASK_BM as task 3

[TMR] Starting itti queue: TASK_PHY_ENB as task 4

[TMR] Starting itti queue: TASK_MAC_ENB as task 5

[TMR] Starting itti queue: TASK_RLC_ENB as task 6

[TMR] Starting itti queue: TASK_RRC_ENB_NB_IoT as task 7

[TMR] Starting itti queue: TASK_PDCP_ENB as task 8

[TMR] Starting itti queue: TASK_DATA_FORWARDING as task 9

[TMR] Starting itti queue: TASK_END_MARKER as task 10

[TMR] Starting itti queue: TASK_RRC_ENB as task 11

[TMR] Starting itti queue: TASK_RAL_ENB as task 12

[TMR] Starting itti queue: TASK_S1AP as task 13

[TMR] Starting itti queue: TASK_X2AP as task 14

[TMR] Starting itti queue: TASK_M2AP_ENB as task 15

[TMR] Starting itti queue: TASK_M2AP_MCE as task 16

[TMR] Starting itti queue: TASK_M3AP as task 17

[TMR] Starting itti queue: TASK_M3AP_MME as task 18

[TMR] Starting itti queue: TASK_M3AP_MCE as task 19

[TMR] Starting itti queue: TASK_SCTP as task 20

[TMR] Starting itti queue: TASK_ENB_APP as task 21

[TMR] Starting itti queue: TASK_MCE_APP as task 22

[TMR] Starting itti queue: TASK_MME_APP as task 23

[TMR] Starting itti queue: TASK_FLEXRAN_AGENT as task 24

[TMR] Starting itti queue: TASK_PHY_UE as task 25

[TMR] Starting itti queue: TASK_MAC_UE as task 26

[TMR] Starting itti queue: TASK_RLC_UE as task 27

[TMR] Starting itti queue: TASK_PDCP_UE as task 28

[TMR] Starting itti queue: TASK_RRC_UE as task 29

[TMR] Starting itti queue: TASK_NAS_UE as task 30

[TMR] Starting itti queue: TASK_RAL_UE as task 31

[TMR] Starting itti queue: TASK_MSC as task 32

[TMR] Starting itti queue: TASK_GTPV1_U as task 33

[TMR] Starting itti queue: TASK_UDP as task 34

[TMR] Starting itti queue: TASK_CU_F1 as task 35

[TMR] Starting itti queue: TASK_DU_F1 as task 36

[LIBCONFIG] opt: 3/3 parameters successfully set, (3 to default value)

[OPT] OPT disabled

reported resolution = 1 ns

[HW] Version: Branch: master Abrev. Hash: 9a06ceba46 Date: Wed Sep 916:15:50 2020 +0200


Runtime table

[PHY] RC.eNB = 0x5617a4843460

[LIBCONFIG] L1s.[0]: 24/24 parameters successfully set, (22 to defaultvalue)


[PHY] RC.eNB[0] = 0x5617a4843510

[PHY] RC.eNB[0][0] = 0x7fa783aed010

[ENB_APP] Initializing northbound interface for L1

[PHY] l1_north_init_eNB() RC.nb_L1_inst:1

[PHY] l1_north_init_eNB() RC.nb_L1_CC[0]:1

[PHY] l1_north_init_eNB() RC.eNB[0][0] installing callbacks

[PHY] read_config_and_init() RC.nb_L1_inst: 1

[LIBCONFIG] MACRLCs.[0]: 21/21 parameters successfully set, (15 todefault value)


[MAC] [MAIN] Init function start:nb_macrlc_inst=1

[PDCP] PDCP layer has been initialized

Configuring local RRC for MACRLC

[ENB_APP] sched mode = default 0 [default]

[MAC] read_config_and_init() RC.nb_macrlc_inst: 1

[PHY] l1_north_init_eNB() RC.nb_L1_inst:1

[PHY] l1_north_init_eNB() RC.nb_L1_CC[0]:1

[PHY] l1_north_init_eNB() RC.eNB[0][0] installing callbacks

[LIBCONFIG] (root): 3/3 parameters successfully set, (1 to default value)

[LIBCONFIG] eNBs.[0]: 20/20 parameters successfully set, (11 todefault value)


[RRC] Instance 0: Southbound Transport local_mac

[RRC] Setting node_type to ngran_eNB

[LIBCONFIG] eNBs.[0].plmn_list.[0]: 3/3 parameters successfully set,(0 to default value)


[RRC] num component carriers 1

[RRC] enb_config::RCconfig_RRC() parameter number: 0, total number ofparameters: 78, ccspath: eNBs.[0].component_carriers.[0]

[LIBCONFIG] eNBs.[0].component_carriers.[0]: 78/78 parameterssuccessfully set, (17 to default value)


phich.resource 0 (ONESIXTH), phich.duration 0 (NORMAL)

No eMBMS configuration, skipping it

[LIBCONFIG] eNBs.[0].component_carriers.[0].emtc_parameters: 88/88parameters successfully set, (88 to default value)


No eMTC configuration, skipping it

[LIBCONFIG] eNBs.[0].component_carriers.[0].SLparameters: 39/39parameters successfully set, (39 to default value)


No SL configuration skipping it

[LIBCONFIG] eNBs.[0].srb1_parameters: 6/6 parameters successfully set,(0 to default value)


[RRC] Node type 0

[LIBCONFIG] (root): 3/3 parameters successfully set, (1 to default value)

[LIBCONFIG] NETWORK_CONTROLLER: 6/6 parameters successfully set, (0 todefault value)


[FLEXRAN_AGENT] FlexRAN Agent for eNB 0 is DISABLED

[PDCP] PDCP layer has been initialized

[PDCP] pdcp init,usegtp

[PDCP] ENB pdcp will use tun interface for MBMS

[NETLINK]Opened socket oaitun_enm1 with fd 80

returnValue 0

returnValue 0

returnValue 0

[OIP] Interface oaitun_enm1 successfuly configured, ip address10.0.2.1, mask 255.255.255.0 broadcast address 10.0.2.255


[ENB_APP] Creating ENB_APP eNB Task

[TMR] Created Posix thread TASK_ENB_APP

[RRC] Creating RRC eNB Task

[TMR] Created Posix thread TASK_RRC_ENB

[LIBCONFIG] (root): 3/3 parameters successfully set, (1 to default value)

[TMR] Created Posix thread TASK_SCTP

[RRC] Entering main loop of RRC message task

[LIBCONFIG] eNBs.[0]: 20/20 parameters successfully set, (11 todefault value)


[SCTP] Starting SCTP layer

[LIBCONFIG] eNBs.[0].plmn_list.[0]: 3/3 parameters successfully set,(0 to default value)


[TMR] Created Posix thread TASK_S1AP

[S1AP] Starting S1AP layer

[TMR] Created Posix thread TASK_UDP

[UDP] Initializing UDP task interface

[UDP] Initializing UDP task interface: DONE

[TMR] Created Posix thread TASK_GTPV1_U

[LIBCONFIG] eNBs.[0]: 1/1 parameters successfully set, (0 to defaultvalue)


[X2AP] X2AP is disabled.

[MAC] Creating MAC eNB Task

[GTPV1U] Initializing GTPU stack 0x5617a3b8ce58

[TMR] Created Posix thread TASK_MAC_ENB

[LIBCONFIG] eNBs.[0].component_carriers.[0]: 78/78 parameterssuccessfully set, (17 to default value)


[MAC] Starting main loop of MAC message task

[RRC] [eNB 0] Received RRC_CONFIGURATION_REQ : 0x5617a4876a4c

[RRC] [FRAME 00000][eNB][MOD 00][RNTI 0] Init...

[RRC] [FRAME 00000][eNB][MOD 00][RNTI 0] Checking release

[RRC] [FRAME 00000][eNB][MOD 00][RNTI 0] Rel14 RRC detected, MBMS flag 0

[RRC] [eNB 0] Node type 0

[RRC] configuration->schedulingInfoSIB1_BR_r13[CC_id] 0

[RRC] Configuring MIB (N_RB_DL 50,phich_Resource 0,phich_Duration 0)

[LIBCONFIG] eNBs.[0].mme_ip_address.[0]: 5/5 parameters successfullyset, (0 to default value)


[RRC] [MIB] systemBandwidth 3, phich_duration 0, phich_resource 0, sfn 0

[RRC] [MIB] schedulingInfoSIB1 0

[LIBCONFIG] eNBs.[0].SCTP: 2/2 parameters successfully set, (0 todefault value)

[LIBCONFIG] eNBs.[0].NETWORK_INTERFACES: 11/11 parameters successfullyset, (2 to default value)


[GTPV1U] Configuring GTPu

[LIBCONFIG] (root): 3/3 parameters successfully set, (1 to default value)

[LIBCONFIG] eNBs.[0].NETWORK_INTERFACES: 3/3 parameters successfullyset, (0 to default value)


[RRC] [eNB 0] Configuration SIB2/3, eMBMS = 0

[GTPV1U] Configuring GTPu address : 10.50.150.226 -> e296320a

[ENB_APP] default drx 2

[GTPV1U] Tx UDP_INIT IP addr 10.50.150.226 (868)

[RRC] do_SIB23, size 38

[MAC] Configuring MIB for instance 0, CCid 0 : (band 7,N_RB_DL50,Nid_cell 0,p 1,DL freq 2685000000,phich_config.resource 0,phich_config.duration 0)

[MAC] config_mib() NFAPI_CONFIG_REQUEST(num_tlv:16) DL_BW:50 UL_BW:50Ncp 0,p_eNB 1,earfcn 3400,band 7,phich_resource 0 phich_duration 0phich_power_offset 6000 PSS 6000 SSS 6000 PCI 0 PBCH repetition 0


[ENB_APP] [eNB 0] eNB_app_register via S1AP for instance 0

[MAC] [CONFIG]SIB2/3 Contents (partial)

[LIBCONFIG] eNBs.[0]: 1/1 parameters successfully set, (1 to defaultvalue)


[MAC] [CONFIG]pusch_config_common.n_SB = 1

[MAC] [CONFIG]pusch_config_common.hoppingMode = 0

[MAC] [CONFIG]pusch_config_common.pusch_HoppingOffset = 0

[MAC] [CONFIG]pusch_config_common.enable64QAM = 0

[MAC] [CONFIG]pusch_config_common.groupHoppingEnabled = 1

[MAC] [CONFIG]pusch_config_common.groupAssignmentPUSCH = 0

[MAC] [CONFIG]pusch_config_common.sequenceHoppingEnabled = 0

[MAC] [CONFIG]pusch_config_common.cyclicShift = 1

[UDP] Initializing UDP for local address 10.50.150.226 with port 2152

[PHY] Configuring MIB for instance 0, CCid 0 : (band 7,N_RB_DL 50,N_RB_UL 50, Nid_cell 0,eNB_tx_antenna_ports 1,Ncp 0,DL freq3400,phich_config.resource 0, phich_config.duration 0)


[PHY] Initializing frame parms for N_RB_DL 50, Ncp 0, osf 1

[PHY] lte_parms.c: Setting N_RB_DL to 50, ofdm_symbol_size 1024

[LIBCONFIG] loader.coding: 2/2 parameters successfully set, (1 todefault value)


[S1AP] Registered new eNB[0] and macro eNB id 3584

[S1AP] [eNB 0] check the mme registration state

[UDP] Inserting new descriptor for task 33, sd 81

[UDP] Initializing UDP for local address 10.50.150.226 with port 2152:DONE


[SCTP] sctp_bindx SCTP_BINDX_ADD_ADDR socket bound to : 10.50.150.226

[SCTP] Converted ipv4 address 193.166.28.130 to network type

[SCTP] connectx assoc_id 10 in progress..., used 1 addresses

[SCTP] Inserted new descriptor for sd 83 in list, nb elements 1,assoc_id 10


[SCTP] Found data for descriptor 83

[SCTP] Received notification for sd 83, type 32769

[SCTP] Client association changed: 0

[SCTP] ----------------------

[SCTP] Peer addresses:

[SCTP] - [193.166.28.130]

[SCTP] ----------------------

[SCTP] ----------------------

[SCTP] SCTP Status:

[SCTP] assoc id .....: 10

[SCTP] state ........: 4

[SCTP] instrms ......: 2

[SCTP] outstrms .....: 2

[SCTP] fragmentation : 1452

[SCTP] pending data .: 0

[SCTP] unack data ...: 0

[SCTP] rwnd .........: 106496

[SCTP] peer info :

[SCTP] state ....: 2

[SCTP] cwnd .....: 4380

[SCTP] srtt .....: 0

[SCTP] rto ......: 3000

[SCTP] mtu ......: 1500

[SCTP] ----------------------

[SCTP] Comm up notified for sd 83, assigned assoc_id 10

[SCTP] Found data for descriptor 83

[SCTP] Received notification for sd 83, type 32776

[S1AP] 3584 -> 00e000

[SCTP] Successfully sent 59 bytes on stream 0 for assoc_id 10

[SCTP] Found data for descriptor 83

[SCTP] Received notification for sd 83, type 32777

[SCTP] Found data for descriptor 83

[SCTP] [10][83] Msg of length 45 received from port 36412, on stream0, PPID 18


[S1AP] servedGUMMEIs.list.count 1

[S1AP] servedPLMNs.list.count 1

[ENB_APP] [eNB 0] Received S1AP_REGISTER_ENB_CNF: associated MME 1

[LOADER] library libcoding.so successfully loaded

[PHY] prach_config_common.rootSequenceIndex = 0

[PHY] prach_config_common.prach_ConfigInfo.prach_ConfigIndex = 0

[PHY] prach_config_common.prach_ConfigInfo.highSpeedFlag = 0

[PHY] prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig = 1

[PHY] prach_config_common.prach_ConfigInfo.prach_FreqOffset = 2

[PHY] pusch_config_common.n_SB = 1

[PHY] pusch_config_common.hoppingMode = 0

[PHY] pusch_config_common.pusch_HoppingOffset = 0

[PHY] pusch_config_common.enable64QAM = 0

[PHY] pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled = 1

[PHY]pusch_config_common.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH = 0

[PHY]pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled = 0


[PHY] pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift = 2

[PHY] eNB 0/0 configured

[RRC] [eNB] handover active state is 0

[RRC] [eNB] eMBMS active state is 0

[RRC] [FRAME 00000][eNB][MOD 00][RNTI 0] ENB:OPENAIR RRC IN....

[ENB_APP] START MAIN THREADS

RC.nb_L1_inst:1

Initializing eNB threads single_thread_flag:0 wait_for_sync:0

[PHY] [lte-softmodem.c] eNB structure about to allocatedRC.nb_L1_inst:1 RC.nb_L1_CC[0]:1


[PHY] [lte-softmodem.c] eNB structure RC.eNB allocated

[PHY] Initializing eNB 0 CC_id 0 single_thread_flag:0

[PHY] Initializing eNB 0 CC_id 0

[PHY] Registering with MAC interface module

[PHY] Setting indication lists

[PHY] [lte-softmodem.c] eNB structure allocated

wait_eNBs()

Waiting for eNB L1 instances to all get configured ... sleeping 50ms(nb_L1_inst 1)


RC.nb_L1_CC[0]:1

eNB L1 are configured

About to Init RU threads RC.nb_RU:1

Initializing RU threads

configuring RU from file

[LIBCONFIG] RUs.[0]: 24/24 parameters successfully set, (15 to defaultvalue)


Set RU mask to 1

Creating RC.ru[0]:0x5617a48779e0

Setting function for RU 0 to eNodeB_3GPP

[PHY] number of L1 instances 1, number of RU 1, number of CPU cores 4

[PHY] DJP - delete code above this/home/dipu/openairinterface5g-develop/openairinterface5g/targets/RT/USER/lte-ru.c:2650


[PHY] Copying frame parms from eNB 0 to ru 0

[PHY] Initializing RRU descriptor 0 : (local RF,synch_to_ext_device,0)

configuring ru_id 0 (start_rf 0x5617a2ba6080)

[PHY] Starting ru_thread 0, is_slave 0, send_dmrs 0

[PHY] Initializing RU proc 0 (eNodeB_3GPP,synch_to_ext_device),

[PHY] init_RU_proc() DJP - added creation of pthread_prach

[HW] [SCHED][eNB] ru_thread started on CPU 0, sched_policy =SCHED_FIFO , priority = 99, CPU Affinity= CPU_0 CPU_1 CPU_2 CPU_3

channel 0, Setting tx_gain offset 0.000000, rx_gain offset 125.000000,tx_freq 2685000000.000000, rx_freq 2565000000.000000


[PHY] Initializing frame parms for N_RB_DL 50, Ncp 0, osf 1

[PHY] lte_parms.c: Setting N_RB_DL to 50, ofdm_symbol_size 1024

[HW] [SCHED][eNB] ru_thread_prach started on CPU 3, sched_policy =SCHED_FIFO , priority = 99, CPU Affinity= CPU_0 CPU_1 CPU_2 CPU_3


[PHY] Initializing RU signal buffers (if_south local RF) nb_tx 1

[PHY] thread ru created id=28867

[PHY] Starting RU 0 (eNodeB_3GPP,synch_to_ext_device),

waiting for sync(ru_thread,-1/0x5617a3576248,0x5617a3cd5c80,0x5617a3b8b880)


[PHY] ru_thread_prach() RU configured - RACH processing thread running

[PHY] [INIT] common.txdata[0] = 0x7fa786c30040 (614400 bytes)

[PHY] nb_tx 1

[PHY] rxdata_7_5kHz[0] 0x7fa786bf3040 for RU 0

[PHY] [INIT] common.txdata_BF= 0x5617a48c9d00 (8 bytes)

[PHY] txdataF_BF[0] 0x5617a48c9d80 for RU 0

[PHY] rxdataF[0] 0x5617a48d7e80 for RU 0

[LIBCONFIG] loader.oai_device: 2/2 parameters successfully set, (1 todefault value)


[LOADER] library liboai_device.so successfully loaded

[PHY] Checking for USRPs : UHD 4.2.0.0-0ubuntu1~bionic1 (4.2.0)

[INFO] [UHD] linux; GNU C++ version 7.5.0; Boost_106501;UHD_4.2.0.0-0ubuntu1~bionic1


[HW] Found USRP b200

Found USRP b200

[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 30.720000 MHz...

[INFO] [B200] Actually got clock rate 30.720000 MHz.

Error: signal 11:

./lte-softmodem.Rel14(signal_handler+0x7c)[0x5617a2bc639c]

/lib/x86_64-linux-gnu/libc.so.6(+0x3ef10)[0x7fa7846ddf10]

/usr/lib/x86_64-linux-gnu/libuhd.so.4.2.0(+0x33dcf2)[0x7fa7796f0cf2]

/usr/lib/x86_64-linux-gnu/libuhd.so.4.2.0(+0x3652ff)[0x7fa7797182ff]

/home/dipu/openairinterface5g-develop/openairinterface5g/cmake_targets/lte_build_oai/build/liboai_device.so(device_init+0x9d2)[0x7fa77a29fae2]

./lte-softmodem.Rel14(load_lib+0x6f)[0x5617a2bcac6f]

./lte-softmodem.Rel14(openair0_device_load+0x24)[0x5617a2bcaeb4]

./lte-softmodem.Rel14(init_RU_proc+0x543)[0x5617a2bb88f3]

./lte-softmodem.Rel14(init_RU+0x3ec)[0x5617a2bbcd1c]

./lte-softmodem.Rel14(main+0x5cb)[0x5617a2b95e9b]

This is a Segmentation Fault.

Either your application is wandering into unallocated virttual memoryspace (via a corrupted pointer) OR, your application was linked againsta different version of the UHD library than you are actually running onyour system.


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[USRP-users] Re: I am trying to deploy eNb using USRP B2100. But, when I am going to compile and run eNb and I notice error( Error signal 11). I would like to mention that I successfully installed UHD and GNU and dependency driver. I did the work following the manual step by step.

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