ENTROPY_SRC/RNG_16BITS Simulation Results

Friday October 10 2025 17:09:47 UTC

GitHub Revision: f01486e

Branch: master

Testplan

Simulator: XCELIUM

Test Results

Stage	Name	Tests	Max Job Runtime	Simulated Time	Passing	Total	Pass Rate
V1	smoke	entropy_src_smoke	3.000s	30.132us	50	50	100.00
V1	csr_hw_reset	entropy_src_csr_hw_reset	3.000s	23.310us	5	5	100.00
V1	csr_rw	entropy_src_csr_rw	3.000s	28.849us	20	20	100.00
V1	csr_bit_bash	entropy_src_csr_bit_bash	25.000s	3.072ms	5	5	100.00
V1	csr_aliasing	entropy_src_csr_aliasing	9.000s	970.134us	5	5	100.00
V1	csr_mem_rw_with_rand_reset	entropy_src_csr_mem_rw_with_rand_reset	4.000s	86.690us	20	20	100.00
V1	regwen_csr_and_corresponding_lockable_csr	entropy_src_csr_rw	3.000s	28.849us	20	20	100.00
		entropy_src_csr_aliasing	9.000s	970.134us	5	5	100.00
V1		TOTAL			105	105	100.00
V2	firmware	entropy_src_smoke	3.000s	30.132us	50	50	100.00
		entropy_src_rng	14.667m	20.014ms	299	300	99.67
		entropy_src_fw_ov	13.667m	20.023ms	299	300	99.67
V2	firmware_mode	entropy_src_fw_ov	13.667m	20.023ms	299	300	99.67
V2	rng_mode	entropy_src_rng	14.667m	20.014ms	299	300	99.67
V2	rng_max_rate	entropy_src_rng_max_rate	20.017m	18.017ms	387	400	96.75
V2	health_checks	entropy_src_rng	14.667m	20.014ms	299	300	99.67
V2	conditioning	entropy_src_rng	14.667m	20.014ms	299	300	99.67
V2	interrupts	entropy_src_rng	14.667m	20.014ms	299	300	99.67
		entropy_src_intr	55.000s	973.126us	50	50	100.00
V2	alerts	entropy_src_rng	14.667m	20.014ms	299	300	99.67
		entropy_src_functional_alerts	10.000s	168.893us	50	50	100.00
V2	stress_all	entropy_src_stress_all	11.250m	20.096ms	49	50	98.00
V2	functional_errors	entropy_src_functional_errors	7.200m	10.007ms	991	1000	99.10
V2	firmware_ov_read_contiguous_data	entropy_src_fw_ov_contiguous	2.550m	2.487ms	50	50	100.00
V2	intr_test	entropy_src_intr_test	3.000s	22.680us	50	50	100.00
V2	alert_test	entropy_src_alert_test	3.000s	19.844us	50	50	100.00
V2	tl_d_oob_addr_access	entropy_src_tl_errors	31.000s	49.185us	20	20	100.00
V2	tl_d_illegal_access	entropy_src_tl_errors	31.000s	49.185us	20	20	100.00
V2	tl_d_outstanding_access	entropy_src_csr_hw_reset	3.000s	23.310us	5	5	100.00
		entropy_src_csr_rw	3.000s	28.849us	20	20	100.00
		entropy_src_csr_aliasing	9.000s	970.134us	5	5	100.00
		entropy_src_same_csr_outstanding	5.000s	1.277ms	20	20	100.00
V2	tl_d_partial_access	entropy_src_csr_hw_reset	3.000s	23.310us	5	5	100.00
		entropy_src_csr_rw	3.000s	28.849us	20	20	100.00
		entropy_src_csr_aliasing	9.000s	970.134us	5	5	100.00
		entropy_src_same_csr_outstanding	5.000s	1.277ms	20	20	100.00
V2		TOTAL			2315	2340	98.93
V2S	tl_intg_err	entropy_src_sec_cm	3.000s	56.488us	5	5	100.00
		entropy_src_tl_intg_err	32.000s	197.702us	20	20	100.00
V2S	sec_cm_config_regwen	entropy_src_rng	14.667m	20.014ms	299	300	99.67
		entropy_src_cfg_regwen	3.000s	27.150us	50	50	100.00
V2S	sec_cm_config_mubi	entropy_src_rng	14.667m	20.014ms	299	300	99.67
V2S	sec_cm_config_redun	entropy_src_rng	14.667m	20.014ms	299	300	99.67
V2S	sec_cm_intersig_mubi	entropy_src_rng	14.667m	20.014ms	299	300	99.67
		entropy_src_fw_ov	13.667m	20.023ms	299	300	99.67
V2S	sec_cm_main_sm_fsm_sparse	entropy_src_functional_errors	7.200m	10.007ms	991	1000	99.10
		entropy_src_sec_cm	3.000s	56.488us	5	5	100.00
V2S	sec_cm_ack_sm_fsm_sparse	entropy_src_functional_errors	7.200m	10.007ms	991	1000	99.10
		entropy_src_sec_cm	3.000s	56.488us	5	5	100.00
V2S	sec_cm_rng_bkgn_chk	entropy_src_rng	14.667m	20.014ms	299	300	99.67
V2S	sec_cm_fifo_ctr_redun	entropy_src_functional_errors	7.200m	10.007ms	991	1000	99.10
		entropy_src_sec_cm	3.000s	56.488us	5	5	100.00
V2S	sec_cm_ctr_redun	entropy_src_functional_errors	7.200m	10.007ms	991	1000	99.10
		entropy_src_sec_cm	3.000s	56.488us	5	5	100.00
V2S	sec_cm_ctr_local_esc	entropy_src_functional_errors	7.200m	10.007ms	991	1000	99.10
V2S	sec_cm_esfinal_rdata_bus_consistency	entropy_src_functional_alerts	10.000s	168.893us	50	50	100.00
V2S	sec_cm_tile_link_bus_integrity	entropy_src_tl_intg_err	32.000s	197.702us	20	20	100.00
V2S		TOTAL			75	75	100.00
V3	external_health_tests	entropy_src_rng_with_xht_rsps	14.300m	19.034ms	50	50	100.00
V3		TOTAL			50	50	100.00
		TOTAL			2545	2570	99.03

Coverage Results

Coverage Dashboard

Score	Block	Branch	Statement	Expression	Toggle	Fsm	Assertion	CoverGroup
85.59	96.19	90.59	98.74	92.35	58.06	97.92	89.50	93.75

Failure Buckets

• UVM_FATAL (entropy_src_scoreboard.sv:2913) [scoreboard] Check failed prediction == csr_val (* [*] vs * [*]) Prediction for observe FIFO access failed. has 9 failures:

  • Test entropy_src_rng_max_rate has 9 failures.

    • 18.entropy_src_rng_max_rate.97047838671244306775256865211268509095803012566926663406730624410201487835184
      Line 2019, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/18.entropy_src_rng_max_rate/latest/run.log

        UVM_FATAL @ 9990324884 ps: (entropy_src_scoreboard.sv:2913) [uvm_test_top.env.scoreboard] Check failed prediction == csr_val (3312455005 [0xc5700d5d] vs 762710114 [0x2d760862]) Prediction for observe FIFO access failed.
        UVM_INFO @ 9990324884 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
        --- UVM Report catcher Summary ---
      

    • 38.entropy_src_rng_max_rate.88551530821245102937718408544494507133545376797650609282352681022483603041343
      Line 1156, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/38.entropy_src_rng_max_rate/latest/run.log

        UVM_FATAL @ 2643269754 ps: (entropy_src_scoreboard.sv:2913) [uvm_test_top.env.scoreboard] Check failed prediction == csr_val (2086598058 [0x7c5ef5aa] vs 1278985937 [0x4c3bc6d1]) Prediction for observe FIFO access failed.
        UVM_INFO @ 2643269754 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
        --- UVM Report catcher Summary ---
      

    • ... and 7 more failures.

• UVM_FATAL (csr_utils_pkg.sv:618) [csr_utils_pkg::csr_spinwait.isolation_fork] timeout entropy_src_reg_block.err_code.sfifo_observe_err (addr=*, Comparison=CompareOpEq, exp_data=*, call_count=2) has 9 failures:

  • Test entropy_src_functional_errors has 9 failures.

    • 43.entropy_src_functional_errors.41517721214130035498364893818011148906116647214868406536474456859633991782375
      Line 167, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/43.entropy_src_functional_errors/latest/run.log

        UVM_FATAL @ 10010247444 ps: (csr_utils_pkg.sv:618) [csr_utils_pkg::csr_spinwait.isolation_fork] timeout entropy_src_reg_block.err_code.sfifo_observe_err (addr=0x8c0a36d4, Comparison=CompareOpEq, exp_data=0x1, call_count=2)
        UVM_INFO @ 10010247444 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
        --- UVM Report catcher Summary ---
      

    • 375.entropy_src_functional_errors.94439872952509760169651292068138596207132174262895387497428130345986675065318
      Line 167, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/375.entropy_src_functional_errors/latest/run.log

        UVM_FATAL @ 10023485263 ps: (csr_utils_pkg.sv:618) [csr_utils_pkg::csr_spinwait.isolation_fork] timeout entropy_src_reg_block.err_code.sfifo_observe_err (addr=0x78e2e3d4, Comparison=CompareOpEq, exp_data=0x1, call_count=2)
        UVM_INFO @ 10023485263 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
        --- UVM Report catcher Summary ---
      

    • ... and 7 more failures.

• UVM_ERROR (cip_base_scoreboard.sv:268) [scoreboard] Check failed expected_alert[alert_name].expected == * (* [*] vs * [*]) alert fatal_alert triggered unexpectedly has 3 failures:

  • Test entropy_src_rng_max_rate has 3 failures.

    • 13.entropy_src_rng_max_rate.44882560955345921122351045795988667780663412048037508095049516857777468724186
      Line 1362, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/13.entropy_src_rng_max_rate/latest/run.log

        UVM_ERROR @ 5019190914 ps: (cip_base_scoreboard.sv:268) [uvm_test_top.env.scoreboard] Check failed expected_alert[alert_name].expected == 1 (0 [0x0] vs 1 [0x1]) alert fatal_alert triggered unexpectedly
        UVM_INFO @ 5019190914 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
        --- UVM Report catcher Summary ---
      

    • 133.entropy_src_rng_max_rate.95975401644830767497143740955438233485346485838580654516139107993249641845616
      Line 2070, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/133.entropy_src_rng_max_rate/latest/run.log

        UVM_ERROR @ 9803816685 ps: (cip_base_scoreboard.sv:268) [uvm_test_top.env.scoreboard] Check failed expected_alert[alert_name].expected == 1 (0 [0x0] vs 1 [0x1]) alert fatal_alert triggered unexpectedly
        UVM_INFO @ 9803816685 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
        --- UVM Report catcher Summary ---
      

    • ... and 1 more failures.

• Job timed out after * minutes has 1 failures:

  • Test entropy_src_stress_all has 1 failures.

    • 46.entropy_src_stress_all.111965852047072771836311532902633027482821398881650334275164589329801167512973
      Log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/46.entropy_src_stress_all/latest/run.log

        Job timed out after 180 minutes
      

• xmsim: *E,ASRTST (/nightly/current_run/scratch/master/entropy_src-sim-xcelium/default/fusesoc-work/src/lowrisc_dv_push_pull_agent_*/push_pull_if.sv,158): Assertion AckAssertedOnlyWhenReqAsserted_A has failed has 1 failures:

  • Test entropy_src_fw_ov has 1 failures.

    • 118.entropy_src_fw_ov.92635749927130510957192661771164172635186003397971225028791639363201350556954
      Line 1713, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/118.entropy_src_fw_ov/latest/run.log

        xmsim: *E,ASRTST (/nightly/current_run/scratch/master/entropy_src-sim-xcelium/default/fusesoc-work/src/lowrisc_dv_push_pull_agent_0.1/push_pull_if.sv,158): (time 19002176419 PS) Assertion tb.csrng_if.AckAssertedOnlyWhenReqAsserted_A has failed
        UVM_ERROR @ 19002176419 ps: (push_pull_if.sv:158) [ASSERT FAILED] AckAssertedOnlyWhenReqAsserted_A
        UVM_INFO @ 19002176419 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
        --- UVM Report catcher Summary ---
      

• UVM_ERROR (entropy_src_scoreboard.sv:2118) [scoreboard] Check failed csr.get_mirrored_value() == item.d_data (* [*] vs * [*]) reg name: entropy_src_reg_block.repcnt_hi_watermarks has 1 failures:

  • Test entropy_src_rng has 1 failures.

    • 218.entropy_src_rng.36656804883132910220362363934588466700678253692849840927648509826486215099898
      Line 1698, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/218.entropy_src_rng/latest/run.log

        UVM_ERROR @ 16260981634 ps: (entropy_src_scoreboard.sv:2118) [uvm_test_top.env.scoreboard] Check failed csr.get_mirrored_value() == item.d_data (871759891 [0x33f60013] vs 4294901779 [0xffff0013]) reg name: entropy_src_reg_block.repcnt_hi_watermarks
        UVM_INFO @ 16260981634 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
        --- UVM Report catcher Summary ---
      

• UVM_ERROR (cip_base_scoreboard.sv:268) [scoreboard] Check failed expected_alert[alert_name].expected == * (* [*] vs * [*]) alert recov_alert triggered unexpectedly has 1 failures:

  • Test entropy_src_rng_max_rate has 1 failures.

    • 311.entropy_src_rng_max_rate.34187602817037292745872354177052769074019544006355628299025753083501991316261
      Line 436, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/311.entropy_src_rng_max_rate/latest/run.log

        UVM_ERROR @ 852335448 ps: (cip_base_scoreboard.sv:268) [uvm_test_top.env.scoreboard] Check failed expected_alert[alert_name].expected == 1 (0 [0x0] vs 1 [0x1]) alert recov_alert triggered unexpectedly
        UVM_INFO @ 852335448 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
        --- UVM Report catcher Summary ---