OTBN Simulation Results

Wednesday May 14 2025 17:10:16 UTC

GitHub Revision: 70ecaeb

Branch: master

Testplan

Simulator: XCELIUM

Test Results

Stage	Name	Tests	Max Job Runtime	Simulated Time	Passing	Total	Pass Rate
V1	smoke	otbn_smoke	12.000s	43.077us	1	1	100.00
V1	single_binary	otbn_single	8.000s	21.255us	1	1	100.00
V1	csr_hw_reset	otbn_csr_hw_reset	6.000s	15.048us	1	1	100.00
V1	csr_rw	otbn_csr_rw	5.000s	13.740us	1	1	100.00
V1	csr_bit_bash	otbn_csr_bit_bash	8.000s	150.497us	1	1	100.00
V1	csr_aliasing	otbn_csr_aliasing	5.000s	66.450us	1	1	100.00
V1	csr_mem_rw_with_rand_reset	otbn_csr_mem_rw_with_rand_reset	8.000s	115.675us	1	1	100.00
V1	regwen_csr_and_corresponding_lockable_csr	otbn_csr_rw	5.000s	13.740us	1	1	100.00
		otbn_csr_aliasing	5.000s	66.450us	1	1	100.00
V1	mem_walk	otbn_mem_walk	20.000s	1.331ms	1	1	100.00
V1	mem_partial_access	otbn_mem_partial_access	11.000s	2.210ms	1	1	100.00
V1		TOTAL			9	9	100.00
V2	reset_recovery	otbn_reset	19.000s	254.737us	1	1	100.00
V2	multi_error	otbn_multi_err	38.000s	309.390us	1	1	100.00
V2	back_to_back	otbn_multi	37.000s	656.447us	1	1	100.00
V2	stress_all	otbn_stress_all	30.000s	231.647us	1	1	100.00
V2	lc_escalation	otbn_escalate	13.000s	34.018us	1	1	100.00
V2	zero_state_err_urnd	otbn_zero_state_err_urnd	8.000s	67.816us	1	1	100.00
V2	sw_errs_fatal_chk	otbn_sw_errs_fatal_chk	9.000s	57.929us	1	1	100.00
V2	alert_test	otbn_alert_test	6.000s	54.387us	1	1	100.00
V2	intr_test	otbn_intr_test	6.000s	38.639us	1	1	100.00
V2	tl_d_oob_addr_access	otbn_tl_errors	7.000s	195.697us	1	1	100.00
V2	tl_d_illegal_access	otbn_tl_errors	7.000s	195.697us	1	1	100.00
V2	tl_d_outstanding_access	otbn_csr_hw_reset	6.000s	15.048us	1	1	100.00
		otbn_csr_rw	5.000s	13.740us	1	1	100.00
		otbn_csr_aliasing	5.000s	66.450us	1	1	100.00
		otbn_same_csr_outstanding	6.000s	85.663us	1	1	100.00
V2	tl_d_partial_access	otbn_csr_hw_reset	6.000s	15.048us	1	1	100.00
		otbn_csr_rw	5.000s	13.740us	1	1	100.00
		otbn_csr_aliasing	5.000s	66.450us	1	1	100.00
		otbn_same_csr_outstanding	6.000s	85.663us	1	1	100.00
V2		TOTAL			11	11	100.00
V2S	mem_integrity	otbn_imem_err	13.000s	52.391us	1	1	100.00
		otbn_dmem_err	9.000s	23.912us	1	1	100.00
V2S	internal_integrity	otbn_alu_bignum_mod_err	9.000s	29.612us	1	1	100.00
		otbn_controller_ispr_rdata_err	9.000s	14.821us	1	1	100.00
		otbn_mac_bignum_acc_err	11.000s	65.948us	1	1	100.00
		otbn_urnd_err	9.000s	20.037us	1	1	100.00
V2S	illegal_bus_access	otbn_illegal_mem_acc	10.000s	41.086us	1	1	100.00
V2S	otbn_mem_gnt_acc_err	otbn_mem_gnt_acc_err	9.000s	24.645us	1	1	100.00
V2S	otbn_non_sec_partial_wipe	otbn_partial_wipe	7.000s	81.049us	1	1	100.00
V2S	tl_intg_err	otbn_sec_cm	6.000s	16.693us	0	1	0.00
		otbn_tl_intg_err	10.000s	180.903us	1	1	100.00
V2S	passthru_mem_tl_intg_err	otbn_passthru_mem_tl_intg_err	22.000s	1.936ms	1	1	100.00
V2S	prim_fsm_check	otbn_sec_cm	6.000s	16.693us	0	1	0.00
V2S	prim_count_check	otbn_sec_cm	6.000s	16.693us	0	1	0.00
V2S	sec_cm_mem_scramble	otbn_smoke	12.000s	43.077us	1	1	100.00
V2S	sec_cm_data_mem_integrity	otbn_dmem_err	9.000s	23.912us	1	1	100.00
V2S	sec_cm_instruction_mem_integrity	otbn_imem_err	13.000s	52.391us	1	1	100.00
V2S	sec_cm_bus_integrity	otbn_tl_intg_err	10.000s	180.903us	1	1	100.00
V2S	sec_cm_controller_fsm_global_esc	otbn_escalate	13.000s	34.018us	1	1	100.00
V2S	sec_cm_controller_fsm_local_esc	otbn_imem_err	13.000s	52.391us	1	1	100.00
		otbn_dmem_err	9.000s	23.912us	1	1	100.00
		otbn_zero_state_err_urnd	8.000s	67.816us	1	1	100.00
		otbn_illegal_mem_acc	10.000s	41.086us	1	1	100.00
		otbn_sec_cm	6.000s	16.693us	0	1	0.00
V2S	sec_cm_controller_fsm_sparse	otbn_sec_cm	6.000s	16.693us	0	1	0.00
V2S	sec_cm_scramble_key_sideload	otbn_single	8.000s	21.255us	1	1	100.00
V2S	sec_cm_scramble_ctrl_fsm_local_esc	otbn_imem_err	13.000s	52.391us	1	1	100.00
		otbn_dmem_err	9.000s	23.912us	1	1	100.00
		otbn_zero_state_err_urnd	8.000s	67.816us	1	1	100.00
		otbn_illegal_mem_acc	10.000s	41.086us	1	1	100.00
		otbn_sec_cm	6.000s	16.693us	0	1	0.00
V2S	sec_cm_scramble_ctrl_fsm_sparse	otbn_sec_cm	6.000s	16.693us	0	1	0.00
V2S	sec_cm_start_stop_ctrl_fsm_global_esc	otbn_escalate	13.000s	34.018us	1	1	100.00
V2S	sec_cm_start_stop_ctrl_fsm_local_esc	otbn_imem_err	13.000s	52.391us	1	1	100.00
		otbn_dmem_err	9.000s	23.912us	1	1	100.00
		otbn_zero_state_err_urnd	8.000s	67.816us	1	1	100.00
		otbn_illegal_mem_acc	10.000s	41.086us	1	1	100.00
		otbn_sec_cm	6.000s	16.693us	0	1	0.00
V2S	sec_cm_start_stop_ctrl_fsm_sparse	otbn_sec_cm	6.000s	16.693us	0	1	0.00
V2S	sec_cm_data_reg_sw_sca	otbn_single	8.000s	21.255us	1	1	100.00
V2S	sec_cm_ctrl_redun	otbn_ctrl_redun	8.000s	18.676us	1	1	100.00
V2S	sec_cm_pc_ctrl_flow_redun	otbn_pc_ctrl_flow_redun	10.000s	48.223us	1	1	100.00
V2S	sec_cm_rnd_bus_consistency	otbn_rnd_sec_cm	23.000s	79.547us	1	1	100.00
V2S	sec_cm_rnd_rng_digest	otbn_rnd_sec_cm	23.000s	79.547us	1	1	100.00
V2S	sec_cm_rf_base_data_reg_sw_integrity	otbn_rf_base_intg_err	9.000s	47.205us	1	1	100.00
V2S	sec_cm_rf_base_data_reg_sw_glitch_detect	otbn_sec_cm	6.000s	16.693us	0	1	0.00
V2S	sec_cm_stack_wr_ptr_ctr_redun	otbn_sec_cm	6.000s	16.693us	0	1	0.00
V2S	sec_cm_rf_bignum_data_reg_sw_integrity	otbn_rf_bignum_intg_err	10.000s	61.904us	1	1	100.00
V2S	sec_cm_rf_bignum_data_reg_sw_glitch_detect	otbn_sec_cm	6.000s	16.693us	0	1	0.00
V2S	sec_cm_loop_stack_ctr_redun	otbn_sec_cm	6.000s	16.693us	0	1	0.00
V2S	sec_cm_loop_stack_addr_integrity	otbn_stack_addr_integ_chk	13.000s	120.239us	1	1	100.00
V2S	sec_cm_call_stack_addr_integrity	otbn_stack_addr_integ_chk	13.000s	120.239us	1	1	100.00
V2S	sec_cm_start_stop_ctrl_state_consistency	otbn_sec_wipe_err	7.000s	9.754us	1	1	100.00
V2S	sec_cm_data_mem_sec_wipe	otbn_single	8.000s	21.255us	1	1	100.00
V2S	sec_cm_instruction_mem_sec_wipe	otbn_single	8.000s	21.255us	1	1	100.00
V2S	sec_cm_data_reg_sw_sec_wipe	otbn_single	8.000s	21.255us	1	1	100.00
V2S	sec_cm_write_mem_integrity	otbn_multi	37.000s	656.447us	1	1	100.00
V2S	sec_cm_ctrl_flow_count	otbn_single	8.000s	21.255us	1	1	100.00
V2S	sec_cm_ctrl_flow_sca	otbn_single	8.000s	21.255us	1	1	100.00
V2S	sec_cm_data_mem_sw_noaccess	otbn_sw_no_acc	11.000s	138.881us	1	1	100.00
V2S	sec_cm_key_sideload	otbn_single	8.000s	21.255us	1	1	100.00
V2S	sec_cm_tlul_fifo_ctr_redun	otbn_sec_cm	6.000s	16.693us	0	1	0.00
V2S		TOTAL			19	20	95.00
V3	stress_all_with_rand_reset	otbn_stress_all_with_rand_reset	3.000m	2.349ms	1	1	100.00
V3		TOTAL			1	1	100.00
		TOTAL			40	41	97.56

Failure Buckets

• xmsim: *E,ASRTST (/nightly/runs/scratch/master/otbn-sim-xcelium/default/src/lowrisc_ip_otbn_*/rtl/otbn.sv,1383): Assertion ErrBitsKnown_A has failed has 1 failures:
  • Test otbn_sec_cm has 1 failures.

    • 0.otbn_sec_cm.60777149221069984488315840617296894984617533774039493650130956937276624759907
      Line 86, in log /nightly/runs/scratch/master/otbn-sim-xcelium/0.otbn_sec_cm/latest/run.log

        xmsim: *E,ASRTST (/nightly/runs/scratch/master/otbn-sim-xcelium/default/src/lowrisc_ip_otbn_0.1/rtl/otbn.sv,1383): (time 16693218 PS) Assertion tb.dut.ErrBitsKnown_A has failed
        xmsim: *E,ASRTST (/nightly/runs/scratch/master/otbn-sim-xcelium/default/src/lowrisc_ip_otbn_0.1/rtl/otbn_core.sv,960): (time 16693218 PS) Assertion tb.dut.u_otbn_core.ErrBitsKnown_A has failed
        UVM_ERROR @  16693218 ps: (otbn.sv:1383) [ASSERT FAILED] ErrBitsKnown_A
        UVM_INFO @  16693218 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
        --- UVM Report catcher Summary ---