BladeRF RX overrun
Posted: Fri Jun 09, 2023 4:47 pm
Hey all! Currently I am trying to make bladeRF work with OpenAirInterface - LTE with TDD settings however I am running into RX Overrun issue as follows:
[PHY] Required DLSCH mem size 2496 (bw scaling 4), dlsch->harq_processes[7] 0x7fffc2899040
[PHY] init_eNB_proc(inst:0) RC.nb_CC[inst]:1
[PHY] Initializing eNB processes instance:0 CC_id 0
[PHY] eNB->single_thread_flag:0
[New Thread 0x7fffd67fc700 (LWP 12252)]
[New Thread 0x7fffd6ffd700 (LWP 12253)]
[Detaching after vfork from child process 12254]
[Detaching after vfork from child process 12255]
[Detaching after vfork from child process 12256]
[HW] [SCHED][eNB] eNB_thread_prach started on CPU 3, sched_policy = SCHED_FIFO , priority = 99, CPU Affinity= CPU_0 CPU_1 CPU_2 CPU_3 CPU_4 CPU_5 CPU_6 CPU_7
[HW] [SCHED][eNB] eNB_thread_prach_br started on CPU 3, sched_policy = SCHED_FIFO , priority = 99, CPU Affinity= CPU_0 CPU_1 CPU_2 CPU_3 CPU_4 CPU_5 CPU_6 CPU_7
[New Thread 0x7fffc2898700 (LWP 12260)]
waiting for sync (L1_stats_thread,-1/0x5555564cc1c8,0x555556acdb00,0x555556accd40)
[ENB_APP] ALL RUs ready - ALL eNBs ready
[ENB_APP] Sending sync to all threads
[MME_APP] Creating MME_APP eNB Task
got sync (ru_thread)
got sync (L1_stats_thread)
[Detaching after vfork from child process 12261]
[New Thread 0x7fffc2097700 (LWP 12263)]
[New Thread 0x7fffc1896700 (LWP 12264)]
[ITTI] Created Posix thread TASK_MME_APP
[LIBCONFIG] MMEs.[0]: 1/1 parameters successfully set, (1 to default value)
[MCE_APP] Creating MCE_APP eNB Task
[Detaching after vfork from child process 12265]
[New Thread 0x7fffc1095700 (LWP 12267)]
[New Thread 0x7fffc0894700 (LWP 12268)]
[ITTI] Created Posix thread TASK_MCE_APP
[LIBCONFIG] MCEs.[0]: 1/1 parameters successfully set, (1 to default value)
[LIBCONFIG] MCEs.[0]: 1/1 parameters successfully set, (1 to default value)
[ENB_APP] [MCE 0] MCE_app_register via M3AP for instance 0
[PHY] RU 0 rf device ready
[PHY] RU 0 Starting steady-state operation
[RLC] rlc_tick: discontinuity (expected 0.1, got 0.4)
[MAC] SCHED_MODE = 0
RX overrun (1) is detected. t=112385Got 7680 samples. nsymps 7680
RX overrun (2) is detected. t=189185Got 7680 samples. nsymps 7680
RX overrun (3) is detected. t=265985Got 7680 samples. nsymps 7680
RX overrun (4) is detected. t=342785Got 7680 samples. nsymps 7680
RX overrun (5) is detected. t=419585Got 7680 samples. nsymps 7680
It goes on like this until it crashes due to too many samples.
Here is my conf file : https://drive.google.com/file/d/1QMTrl1 ... sp=sharing
This is my bladeRF info:
Board: Nuand bladeRF 2.0 (bladerf2)
Serial #: 2fcc821945a7492092bcb4134fcc7375
VCTCXO DAC calibration: 0x1eeb
FPGA size: 49 KLE
FPGA loaded: yes
Flash size: 32 Mbit
USB bus: 2
USB address: 2
USB speed: SuperSpeed
Backend: libusb
Instance: 0
more:
RX1 Bandwidth: 18000000 Hz (Range: [200000, 56000000])
RX2 Bandwidth: 18000000 Hz (Range: [200000, 56000000])
TX1 Bandwidth: 18000000 Hz (Range: [200000, 56000000])
TX2 Bandwidth: 18000000 Hz (Range: [200000, 56000000])
RX1 Frequency: 2400000000 Hz (Range: [70000000, 6000000000])
RX2 Frequency: 2400000000 Hz (Range: [70000000, 6000000000])
TX1 Frequency: 2400000000 Hz (Range: [47000000, 6000000000])
TX2 Frequency: 2400000000 Hz (Range: [47000000, 6000000000])
Tuning Mode: Host
RX1 AGC: Enabled
RX2 AGC: Enabled
Clock reference: none
Clock input: Onboard VCTCXO
Clock output: Disabled
RX1 RSSI: preamble = 0 dB, symbol = -52 dB
RX2 RSSI: preamble = 0 dB, symbol = -52 dB
Loopback mode: none
RX mux: BASEBAND - Baseband samples
RX FIR Filter: normal (default)
TX FIR Filter: bypass (default)
Gain RX1 overall: 60 dB (Range: [-15, 60])
full: 71 dB (Range: [-4, 71])
Gain RX2 overall: 60 dB (Range: [-15, 60])
full: 71 dB (Range: [-4, 71])
Gain TX1 overall: 56 dB (Range: [-23.75, 66])
dsa: -90 dB (Range: [-89.75, 0])
Gain TX2 overall: 56 dB (Range: [-23.75, 66])
dsa: -90 dB (Range: [-89.75, 0])
RX1 sample rate: 30720000 0/1 (Range: [520834, 61440000])
RX2 sample rate: 30720000 0/1 (Range: [520834, 61440000])
TX1 sample rate: 30720000 0/1 (Range: [520834, 61440000])
TX2 sample rate: 30720000 0/1 (Range: [520834, 61440000])
Bias Tee (RX1): off
Bias Tee (RX2): off
Bias Tee (TX1): off
Bias Tee (TX2): off
Current VCTCXO trim: 0x1eeb
Stored VCTCXO trim: 0x1eeb
Hardware status:
RFIC status:
Tuning Mode: Host
Temperature: 28.1 degrees C
CTRL_OUT: 0xf8 (0x035=0x00, 0x036=0xff)
Power source: USB Bus
Power monitor: 4.888 V, 0.56 A, 2.72 W
RF routing:
RX1: RFIC 0x0 (A_BAL ) <= SW 0x0 (OPEN )
RX2: RFIC 0x0 (A_BAL ) <= SW 0x0 (OPEN )
TX1: RFIC 0x0 (TXA ) => SW 0x0 (OPEN )
TX2: RFIC 0x0 (TXA ) => SW 0x0 (OPEN )
I have been stuck on this for weeks, any help and leads would be greatly appreciated! Thank you.
[PHY] Required DLSCH mem size 2496 (bw scaling 4), dlsch->harq_processes[7] 0x7fffc2899040
[PHY] init_eNB_proc(inst:0) RC.nb_CC[inst]:1
[PHY] Initializing eNB processes instance:0 CC_id 0
[PHY] eNB->single_thread_flag:0
[New Thread 0x7fffd67fc700 (LWP 12252)]
[New Thread 0x7fffd6ffd700 (LWP 12253)]
[Detaching after vfork from child process 12254]
[Detaching after vfork from child process 12255]
[Detaching after vfork from child process 12256]
[HW] [SCHED][eNB] eNB_thread_prach started on CPU 3, sched_policy = SCHED_FIFO , priority = 99, CPU Affinity= CPU_0 CPU_1 CPU_2 CPU_3 CPU_4 CPU_5 CPU_6 CPU_7
[HW] [SCHED][eNB] eNB_thread_prach_br started on CPU 3, sched_policy = SCHED_FIFO , priority = 99, CPU Affinity= CPU_0 CPU_1 CPU_2 CPU_3 CPU_4 CPU_5 CPU_6 CPU_7
[New Thread 0x7fffc2898700 (LWP 12260)]
waiting for sync (L1_stats_thread,-1/0x5555564cc1c8,0x555556acdb00,0x555556accd40)
[ENB_APP] ALL RUs ready - ALL eNBs ready
[ENB_APP] Sending sync to all threads
[MME_APP] Creating MME_APP eNB Task
got sync (ru_thread)
got sync (L1_stats_thread)
[Detaching after vfork from child process 12261]
[New Thread 0x7fffc2097700 (LWP 12263)]
[New Thread 0x7fffc1896700 (LWP 12264)]
[ITTI] Created Posix thread TASK_MME_APP
[LIBCONFIG] MMEs.[0]: 1/1 parameters successfully set, (1 to default value)
[MCE_APP] Creating MCE_APP eNB Task
[Detaching after vfork from child process 12265]
[New Thread 0x7fffc1095700 (LWP 12267)]
[New Thread 0x7fffc0894700 (LWP 12268)]
[ITTI] Created Posix thread TASK_MCE_APP
[LIBCONFIG] MCEs.[0]: 1/1 parameters successfully set, (1 to default value)
[LIBCONFIG] MCEs.[0]: 1/1 parameters successfully set, (1 to default value)
[ENB_APP] [MCE 0] MCE_app_register via M3AP for instance 0
[PHY] RU 0 rf device ready
[PHY] RU 0 Starting steady-state operation
[RLC] rlc_tick: discontinuity (expected 0.1, got 0.4)
[MAC] SCHED_MODE = 0
RX overrun (1) is detected. t=112385Got 7680 samples. nsymps 7680
RX overrun (2) is detected. t=189185Got 7680 samples. nsymps 7680
RX overrun (3) is detected. t=265985Got 7680 samples. nsymps 7680
RX overrun (4) is detected. t=342785Got 7680 samples. nsymps 7680
RX overrun (5) is detected. t=419585Got 7680 samples. nsymps 7680
It goes on like this until it crashes due to too many samples.
Here is my conf file : https://drive.google.com/file/d/1QMTrl1 ... sp=sharing
This is my bladeRF info:
Board: Nuand bladeRF 2.0 (bladerf2)
Serial #: 2fcc821945a7492092bcb4134fcc7375
VCTCXO DAC calibration: 0x1eeb
FPGA size: 49 KLE
FPGA loaded: yes
Flash size: 32 Mbit
USB bus: 2
USB address: 2
USB speed: SuperSpeed
Backend: libusb
Instance: 0
more:
RX1 Bandwidth: 18000000 Hz (Range: [200000, 56000000])
RX2 Bandwidth: 18000000 Hz (Range: [200000, 56000000])
TX1 Bandwidth: 18000000 Hz (Range: [200000, 56000000])
TX2 Bandwidth: 18000000 Hz (Range: [200000, 56000000])
RX1 Frequency: 2400000000 Hz (Range: [70000000, 6000000000])
RX2 Frequency: 2400000000 Hz (Range: [70000000, 6000000000])
TX1 Frequency: 2400000000 Hz (Range: [47000000, 6000000000])
TX2 Frequency: 2400000000 Hz (Range: [47000000, 6000000000])
Tuning Mode: Host
RX1 AGC: Enabled
RX2 AGC: Enabled
Clock reference: none
Clock input: Onboard VCTCXO
Clock output: Disabled
RX1 RSSI: preamble = 0 dB, symbol = -52 dB
RX2 RSSI: preamble = 0 dB, symbol = -52 dB
Loopback mode: none
RX mux: BASEBAND - Baseband samples
RX FIR Filter: normal (default)
TX FIR Filter: bypass (default)
Gain RX1 overall: 60 dB (Range: [-15, 60])
full: 71 dB (Range: [-4, 71])
Gain RX2 overall: 60 dB (Range: [-15, 60])
full: 71 dB (Range: [-4, 71])
Gain TX1 overall: 56 dB (Range: [-23.75, 66])
dsa: -90 dB (Range: [-89.75, 0])
Gain TX2 overall: 56 dB (Range: [-23.75, 66])
dsa: -90 dB (Range: [-89.75, 0])
RX1 sample rate: 30720000 0/1 (Range: [520834, 61440000])
RX2 sample rate: 30720000 0/1 (Range: [520834, 61440000])
TX1 sample rate: 30720000 0/1 (Range: [520834, 61440000])
TX2 sample rate: 30720000 0/1 (Range: [520834, 61440000])
Bias Tee (RX1): off
Bias Tee (RX2): off
Bias Tee (TX1): off
Bias Tee (TX2): off
Current VCTCXO trim: 0x1eeb
Stored VCTCXO trim: 0x1eeb
Hardware status:
RFIC status:
Tuning Mode: Host
Temperature: 28.1 degrees C
CTRL_OUT: 0xf8 (0x035=0x00, 0x036=0xff)
Power source: USB Bus
Power monitor: 4.888 V, 0.56 A, 2.72 W
RF routing:
RX1: RFIC 0x0 (A_BAL ) <= SW 0x0 (OPEN )
RX2: RFIC 0x0 (A_BAL ) <= SW 0x0 (OPEN )
TX1: RFIC 0x0 (TXA ) => SW 0x0 (OPEN )
TX2: RFIC 0x0 (TXA ) => SW 0x0 (OPEN )
I have been stuck on this for weeks, any help and leads would be greatly appreciated! Thank you.