OTBN Simulation Results

Tuesday April 22 2025 18:31:12 UTC

GitHub Revision: `ebd55f1`

Branch: master

Testplan

Simulator: XCELIUM

Test Results

Stage	Name	Tests	Max Job Runtime	Simulated Time	Passing	Total	Pass Rate
V1	smoke	otbn_smoke	11.000s	46.563us	1	1	100.00
V1	single_binary	otbn_single	9.000s	34.903us	1	1	100.00
V1	csr_hw_reset	otbn_csr_hw_reset	6.000s	23.980us	1	1	100.00
V1	csr_rw	otbn_csr_rw	5.000s	12.203us	1	1	100.00
V1	csr_bit_bash	otbn_csr_bit_bash	6.000s	37.312us	1	1	100.00
V1	csr_aliasing	otbn_csr_aliasing	7.000s	26.009us	1	1	100.00
V1	csr_mem_rw_with_rand_reset	otbn_csr_mem_rw_with_rand_reset	8.000s	196.151us	1	1	100.00
V1	regwen_csr_and_corresponding_lockable_csr	otbn_csr_rw	5.000s	12.203us	1	1	100.00
		otbn_csr_aliasing	7.000s	26.009us	1	1	100.00
V1	mem_walk	otbn_mem_walk	16.000s	2.605ms	1	1	100.00
V1	mem_partial_access	otbn_mem_partial_access	10.000s	1.355ms	1	1	100.00
V1		TOTAL			9	9	100.00
V2	reset_recovery	otbn_reset	24.000s	113.840us	1	1	100.00
V2	multi_error	otbn_multi_err	57.000s	213.873us	1	1	100.00
V2	back_to_back	otbn_multi	14.000s	189.157us	1	1	100.00
V2	stress_all	otbn_stress_all	33.000s	160.139us	1	1	100.00
V2	lc_escalation	otbn_escalate	8.000s	34.313us	1	1	100.00
V2	zero_state_err_urnd	otbn_zero_state_err_urnd	8.000s	80.124us	1	1	100.00
V2	sw_errs_fatal_chk	otbn_sw_errs_fatal_chk	11.000s	24.648us	1	1	100.00
V2	alert_test	otbn_alert_test	6.000s	281.611us	1	1	100.00
V2	intr_test	otbn_intr_test	5.000s	14.489us	1	1	100.00
V2	tl_d_oob_addr_access	otbn_tl_errors	7.000s	69.428us	1	1	100.00
V2	tl_d_illegal_access	otbn_tl_errors	7.000s	69.428us	1	1	100.00
V2	tl_d_outstanding_access	otbn_csr_hw_reset	6.000s	23.980us	1	1	100.00
		otbn_csr_rw	5.000s	12.203us	1	1	100.00
		otbn_csr_aliasing	7.000s	26.009us	1	1	100.00
		otbn_same_csr_outstanding	7.000s	30.405us	1	1	100.00
V2	tl_d_partial_access	otbn_csr_hw_reset	6.000s	23.980us	1	1	100.00
		otbn_csr_rw	5.000s	12.203us	1	1	100.00
		otbn_csr_aliasing	7.000s	26.009us	1	1	100.00
		otbn_same_csr_outstanding	7.000s	30.405us	1	1	100.00
V2		TOTAL			11	11	100.00
V2S	mem_integrity	otbn_imem_err	12.000s	27.890us	1	1	100.00
		otbn_dmem_err	11.000s	29.791us	1	1	100.00
V2S	internal_integrity	otbn_alu_bignum_mod_err	10.000s	16.921us	1	1	100.00
		otbn_controller_ispr_rdata_err	10.000s	19.039us	1	1	100.00
		otbn_mac_bignum_acc_err	14.000s	77.251us	1	1	100.00
		otbn_urnd_err	12.000s	46.324us	1	1	100.00
V2S	illegal_bus_access	otbn_illegal_mem_acc	7.000s	9.796us	1	1	100.00
V2S	otbn_mem_gnt_acc_err	otbn_mem_gnt_acc_err	7.000s	35.726us	1	1	100.00
V2S	otbn_non_sec_partial_wipe	otbn_partial_wipe	7.000s	14.399us	1	1	100.00
V2S	tl_intg_err	otbn_sec_cm	8.000s	43.265us	0	1	0.00
		otbn_tl_intg_err	15.000s	102.876us	1	1	100.00
V2S	passthru_mem_tl_intg_err	otbn_passthru_mem_tl_intg_err	19.000s	102.693us	0	1	0.00
V2S	prim_fsm_check	otbn_sec_cm	8.000s	43.265us	0	1	0.00
V2S	prim_count_check	otbn_sec_cm	8.000s	43.265us	0	1	0.00
V2S	sec_cm_mem_scramble	otbn_smoke	11.000s	46.563us	1	1	100.00
V2S	sec_cm_data_mem_integrity	otbn_dmem_err	11.000s	29.791us	1	1	100.00
V2S	sec_cm_instruction_mem_integrity	otbn_imem_err	12.000s	27.890us	1	1	100.00
V2S	sec_cm_bus_integrity	otbn_tl_intg_err	15.000s	102.876us	1	1	100.00
V2S	sec_cm_controller_fsm_global_esc	otbn_escalate	8.000s	34.313us	1	1	100.00
V2S	sec_cm_controller_fsm_local_esc	otbn_imem_err	12.000s	27.890us	1	1	100.00
		otbn_dmem_err	11.000s	29.791us	1	1	100.00
		otbn_zero_state_err_urnd	8.000s	80.124us	1	1	100.00
		otbn_illegal_mem_acc	7.000s	9.796us	1	1	100.00
		otbn_sec_cm	8.000s	43.265us	0	1	0.00
V2S	sec_cm_controller_fsm_sparse	otbn_sec_cm	8.000s	43.265us	0	1	0.00
V2S	sec_cm_scramble_key_sideload	otbn_single	9.000s	34.903us	1	1	100.00
V2S	sec_cm_scramble_ctrl_fsm_local_esc	otbn_imem_err	12.000s	27.890us	1	1	100.00
		otbn_dmem_err	11.000s	29.791us	1	1	100.00
		otbn_zero_state_err_urnd	8.000s	80.124us	1	1	100.00
		otbn_illegal_mem_acc	7.000s	9.796us	1	1	100.00
		otbn_sec_cm	8.000s	43.265us	0	1	0.00
V2S	sec_cm_scramble_ctrl_fsm_sparse	otbn_sec_cm	8.000s	43.265us	0	1	0.00
V2S	sec_cm_start_stop_ctrl_fsm_global_esc	otbn_escalate	8.000s	34.313us	1	1	100.00
V2S	sec_cm_start_stop_ctrl_fsm_local_esc	otbn_imem_err	12.000s	27.890us	1	1	100.00
		otbn_dmem_err	11.000s	29.791us	1	1	100.00
		otbn_zero_state_err_urnd	8.000s	80.124us	1	1	100.00
		otbn_illegal_mem_acc	7.000s	9.796us	1	1	100.00
		otbn_sec_cm	8.000s	43.265us	0	1	0.00
V2S	sec_cm_start_stop_ctrl_fsm_sparse	otbn_sec_cm	8.000s	43.265us	0	1	0.00
V2S	sec_cm_data_reg_sw_sca	otbn_single	9.000s	34.903us	1	1	100.00
V2S	sec_cm_ctrl_redun	otbn_ctrl_redun	9.000s	21.315us	1	1	100.00
V2S	sec_cm_pc_ctrl_flow_redun	otbn_pc_ctrl_flow_redun	10.000s	22.424us	1	1	100.00
V2S	sec_cm_rnd_bus_consistency	otbn_rnd_sec_cm	40.000s	254.542us	1	1	100.00
V2S	sec_cm_rnd_rng_digest	otbn_rnd_sec_cm	40.000s	254.542us	1	1	100.00
V2S	sec_cm_rf_base_data_reg_sw_integrity	otbn_rf_base_intg_err	9.000s	16.389us	1	1	100.00
V2S	sec_cm_rf_base_data_reg_sw_glitch_detect	otbn_sec_cm	8.000s	43.265us	0	1	0.00
V2S	sec_cm_stack_wr_ptr_ctr_redun	otbn_sec_cm	8.000s	43.265us	0	1	0.00
V2S	sec_cm_rf_bignum_data_reg_sw_integrity	otbn_rf_bignum_intg_err	1.250m	1.069ms	1	1	100.00
V2S	sec_cm_rf_bignum_data_reg_sw_glitch_detect	otbn_sec_cm	8.000s	43.265us	0	1	0.00
V2S	sec_cm_loop_stack_ctr_redun	otbn_sec_cm	8.000s	43.265us	0	1	0.00
V2S	sec_cm_loop_stack_addr_integrity	otbn_stack_addr_integ_chk	10.000s	275.835us	1	1	100.00
V2S	sec_cm_call_stack_addr_integrity	otbn_stack_addr_integ_chk	10.000s	275.835us	1	1	100.00
V2S	sec_cm_start_stop_ctrl_state_consistency	otbn_sec_wipe_err	7.000s	27.086us	1	1	100.00
V2S	sec_cm_data_mem_sec_wipe	otbn_single	9.000s	34.903us	1	1	100.00
V2S	sec_cm_instruction_mem_sec_wipe	otbn_single	9.000s	34.903us	1	1	100.00
V2S	sec_cm_data_reg_sw_sec_wipe	otbn_single	9.000s	34.903us	1	1	100.00
V2S	sec_cm_write_mem_integrity	otbn_multi	14.000s	189.157us	1	1	100.00
V2S	sec_cm_ctrl_flow_count	otbn_single	9.000s	34.903us	1	1	100.00
V2S	sec_cm_ctrl_flow_sca	otbn_single	9.000s	34.903us	1	1	100.00
V2S	sec_cm_data_mem_sw_noaccess	otbn_sw_no_acc	8.000s	87.806us	1	1	100.00
V2S	sec_cm_key_sideload	otbn_single	9.000s	34.903us	1	1	100.00
V2S	sec_cm_tlul_fifo_ctr_redun	otbn_sec_cm	8.000s	43.265us	0	1	0.00
V2S		TOTAL			18	20	90.00
V3	stress_all_with_rand_reset	otbn_stress_all_with_rand_reset	4.050m	1.176ms	0	1	0.00
V3		TOTAL			0	1	0.00
		TOTAL			38	41	92.68

Failure Buckets

UVM_ERROR (cip_base_vseq.sv:929) [otbn_common_vseq] Check failed (!has_outstanding_access()) Waited * cycles to issue a reset with no outstanding accesses. has 1 failures:
- Test otbn_stress_all_with_rand_reset has 1 failures.
  - 0.otbn_stress_all_with_rand_reset.73412361618364128953438021223418198506589544316644718210359573563225311983357
    Line 189, in log /nightly/runs/scratch/master/otbn-sim-xcelium/0.otbn_stress_all_with_rand_reset/latest/run.log
```
  UVM_ERROR @ 1176085436 ps: (cip_base_vseq.sv:929) [uvm_test_top.env.virtual_sequencer.otbn_common_vseq] Check failed (!has_outstanding_access()) Waited 10000 cycles to issue a reset with no outstanding accesses.
  UVM_INFO @ 1176085436 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
UVM_FATAL (otbn_scoreboard.sv:550) scoreboard [scoreboard] We saw a STATUS change * cycles ago that implied we'd get a fatal alert but it still hasn't arrived. has 1 failures:
- Test otbn_passthru_mem_tl_intg_err has 1 failures.
  - 0.otbn_passthru_mem_tl_intg_err.90589489947915926444141602623357309468905451418490396632685913945092503334359
    Line 102, in log /nightly/runs/scratch/master/otbn-sim-xcelium/0.otbn_passthru_mem_tl_intg_err/latest/run.log
```
  UVM_FATAL @ 102692838 ps: (otbn_scoreboard.sv:550) uvm_test_top.env.scoreboard [uvm_test_top.env.scoreboard] We saw a STATUS change 30 cycles ago that implied we'd get a fatal alert but it still hasn't arrived.
  UVM_INFO @ 102692838 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```

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.1207460443361890644016245420348987968957815799791400953916849506697046366793
Line 91, 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 43264594 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 43264594 PS) Assertion tb.dut.u_otbn_core.ErrBitsKnown_A has failed
  UVM_ERROR @  43264594 ps: (otbn.sv:1383) [ASSERT FAILED] ErrBitsKnown_A
  UVM_INFO @  43264594 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---