ENTROPY_SRC/RNG_4BITS Simulation Results

Sunday October 12 2025 00:08:33 UTC

GitHub Revision: `f01486e`

Branch: master

Simulator: XCELIUM

Test Results

Stage	Name	Tests	Max Job Runtime	Simulated Time	Passing	Total	Pass Rate
V1	smoke	entropy_src_smoke	3.000s	44.576us	50	50	100.00
V1	csr_hw_reset	entropy_src_csr_hw_reset	32.000s	67.769us	5	5	100.00
V1	csr_rw	entropy_src_csr_rw	6.000s	103.421us	20	20	100.00
V1	csr_bit_bash	entropy_src_csr_bit_bash	16.000s	2.490ms	5	5	100.00
V1	csr_aliasing	entropy_src_csr_aliasing	8.000s	534.055us	5	5	100.00
V1	csr_mem_rw_with_rand_reset	entropy_src_csr_mem_rw_with_rand_reset	3.000s	65.876us	20	20	100.00
V1	regwen_csr_and_corresponding_lockable_csr	entropy_src_csr_rw	6.000s	103.421us	20	20	100.00
		entropy_src_csr_aliasing	8.000s	534.055us	5	5	100.00
V1		TOTAL			105	105	100.00
V2	firmware	entropy_src_smoke	3.000s	44.576us	50	50	100.00
		entropy_src_rng	8.967m	19.024ms	300	300	100.00
		entropy_src_fw_ov	9.883m	19.063ms	295	300	98.33
V2	firmware_mode	entropy_src_fw_ov	9.883m	19.063ms	295	300	98.33
V2	rng_mode	entropy_src_rng	8.967m	19.024ms	300	300	100.00
V2	rng_max_rate	entropy_src_rng_max_rate	14.200m	20.041ms	397	400	99.25
V2	health_checks	entropy_src_rng	8.967m	19.024ms	300	300	100.00
V2	conditioning	entropy_src_rng	8.967m	19.024ms	300	300	100.00
V2	interrupts	entropy_src_rng	8.967m	19.024ms	300	300	100.00
		entropy_src_intr	34.000s	506.280us	50	50	100.00
V2	alerts	entropy_src_rng	8.967m	19.024ms	300	300	100.00
		entropy_src_functional_alerts	7.000s	176.505us	50	50	100.00
V2	stress_all	entropy_src_stress_all	9.067m	19.260ms	49	50	98.00
V2	functional_errors	entropy_src_functional_errors	6.133m	10.012ms	988	1000	98.80
V2	firmware_ov_read_contiguous_data	entropy_src_fw_ov_contiguous	22.000s	326.953us	50	50	100.00
V2	intr_test	entropy_src_intr_test	32.000s	64.991us	50	50	100.00
V2	alert_test	entropy_src_alert_test	3.000s	131.774us	50	50	100.00
V2	tl_d_oob_addr_access	entropy_src_tl_errors	33.000s	140.577us	20	20	100.00
V2	tl_d_illegal_access	entropy_src_tl_errors	33.000s	140.577us	20	20	100.00
V2	tl_d_outstanding_access	entropy_src_csr_hw_reset	32.000s	67.769us	5	5	100.00
		entropy_src_csr_rw	6.000s	103.421us	20	20	100.00
		entropy_src_csr_aliasing	8.000s	534.055us	5	5	100.00
		entropy_src_same_csr_outstanding	4.000s	74.260us	20	20	100.00
V2	tl_d_partial_access	entropy_src_csr_hw_reset	32.000s	67.769us	5	5	100.00
		entropy_src_csr_rw	6.000s	103.421us	20	20	100.00
		entropy_src_csr_aliasing	8.000s	534.055us	5	5	100.00
		entropy_src_same_csr_outstanding	4.000s	74.260us	20	20	100.00
V2		TOTAL			2319	2340	99.10
V2S	tl_intg_err	entropy_src_sec_cm	3.000s	101.533us	5	5	100.00
		entropy_src_tl_intg_err	33.000s	239.178us	20	20	100.00
V2S	sec_cm_config_regwen	entropy_src_rng	8.967m	19.024ms	300	300	100.00
		entropy_src_cfg_regwen	3.000s	15.593us	50	50	100.00
V2S	sec_cm_config_mubi	entropy_src_rng	8.967m	19.024ms	300	300	100.00
V2S	sec_cm_config_redun	entropy_src_rng	8.967m	19.024ms	300	300	100.00
V2S	sec_cm_intersig_mubi	entropy_src_rng	8.967m	19.024ms	300	300	100.00
		entropy_src_fw_ov	9.883m	19.063ms	295	300	98.33
V2S	sec_cm_main_sm_fsm_sparse	entropy_src_functional_errors	6.133m	10.012ms	988	1000	98.80
		entropy_src_sec_cm	3.000s	101.533us	5	5	100.00
V2S	sec_cm_ack_sm_fsm_sparse	entropy_src_functional_errors	6.133m	10.012ms	988	1000	98.80
		entropy_src_sec_cm	3.000s	101.533us	5	5	100.00
V2S	sec_cm_rng_bkgn_chk	entropy_src_rng	8.967m	19.024ms	300	300	100.00
V2S	sec_cm_fifo_ctr_redun	entropy_src_functional_errors	6.133m	10.012ms	988	1000	98.80
		entropy_src_sec_cm	3.000s	101.533us	5	5	100.00
V2S	sec_cm_ctr_redun	entropy_src_functional_errors	6.133m	10.012ms	988	1000	98.80
		entropy_src_sec_cm	3.000s	101.533us	5	5	100.00
V2S	sec_cm_ctr_local_esc	entropy_src_functional_errors	6.133m	10.012ms	988	1000	98.80
V2S	sec_cm_esfinal_rdata_bus_consistency	entropy_src_functional_alerts	7.000s	176.505us	50	50	100.00
V2S	sec_cm_tile_link_bus_integrity	entropy_src_tl_intg_err	33.000s	239.178us	20	20	100.00
V2S		TOTAL			75	75	100.00
V3	external_health_tests	entropy_src_rng_with_xht_rsps	7.867m	20.039ms	50	50	100.00
V3		TOTAL			50	50	100.00
		TOTAL			2549	2570	99.18

Coverage Results

Coverage Dashboard

Score	Block	Branch	Statement	Expression	Toggle	Fsm	Assertion	CoverGroup
94.08	97.36	93.25	98.34	95.12	79.76	96.88	89.27	95.98

Failure Buckets

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 12 failures:
- Test entropy_src_functional_errors has 12 failures.
  - 62.entropy_src_functional_errors.91427719491762648471210955984760226204018504084420813741928487830162234722540
    Line 167, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/62.entropy_src_functional_errors/latest/run.log
```
  UVM_FATAL @ 10017243241 ps: (csr_utils_pkg.sv:618) [csr_utils_pkg::csr_spinwait.isolation_fork] timeout entropy_src_reg_block.err_code.sfifo_observe_err (addr=0x909300d4, Comparison=CompareOpEq, exp_data=0x1, call_count=2)
  UVM_INFO @ 10017243241 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - 90.entropy_src_functional_errors.80290552860282838722861694886383247562452429025323798258994043908060325717224
    Line 167, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/90.entropy_src_functional_errors/latest/run.log
```
  UVM_FATAL @ 10046317555 ps: (csr_utils_pkg.sv:618) [csr_utils_pkg::csr_spinwait.isolation_fork] timeout entropy_src_reg_block.err_code.sfifo_observe_err (addr=0x73ddd0d4, Comparison=CompareOpEq, exp_data=0x1, call_count=2)
  UVM_INFO @ 10046317555 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - ... and 10 more failures.
UVM_ERROR (cip_base_scoreboard.sv:268) [scoreboard] Check failed expected_alert[alert_name].expected == * (* [*] vs * [*]) alert recov_alert triggered unexpectedly has 3 failures:
- Test entropy_src_fw_ov has 3 failures.
  - 4.entropy_src_fw_ov.69350958918673639091135425177737394309950835877327693892076918841498948562942
    Line 1043, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/4.entropy_src_fw_ov/latest/run.log
```
  UVM_ERROR @ 5558607427 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 @ 5558607427 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - 28.entropy_src_fw_ov.93105056111721001956765542523105224737122253923246875230478181980945033888431
    Line 631, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/28.entropy_src_fw_ov/latest/run.log
```
  UVM_ERROR @ 7936779027 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 @ 7936779027 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - ... and 1 more failures.

Job returned non-zero exit code has 3 failures:

Test entropy_src_rng_max_rate has 3 failures.

92.entropy_src_rng_max_rate.113961779168494182134998227755635177205377881961836379625783078506268793060557
Log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/92.entropy_src_rng_max_rate/latest/run.log

    workdir  :  /nightly/current_run/scratch/master/entropy_src-sim-xcelium/coverage
    dutinst  :  tb.dut(entropy_src)
    scope    :  default
    testname :  92.entropy_src_rng_max_rate.3532209357

  coverage files:
    model(design data) :  /nightly/current_run/scratch/master/entropy_src-sim-xcelium/coverage/default/92.entropy_src_rng_max_rate.3532209357/icc_55db4829_76ea0a1b.ucm
    data               :  /nightly/current_run/scratch/master/entropy_src-sim-xcelium/coverage/default/92.entropy_src_rng_max_rate.3532209357/icc_55db4829_76ea0a1b.ucd
  TOOL:	xrun(64)	24.03-s007: Exiting on Oct 12, 2025 at 13:23:39 UTC  (total: 00:14:05)
  make: *** [/nightly/current_run/opentitan/hw/dv/tools/dvsim/sim.mk:186: simulate] Error 1

175.entropy_src_rng_max_rate.111024283055306396181748376416905890926979236638319849318375074264926561234402
Log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/175.entropy_src_rng_max_rate/latest/run.log

    workdir  :  /nightly/current_run/scratch/master/entropy_src-sim-xcelium/coverage
    dutinst  :  tb.dut(entropy_src)
    scope    :  default
    testname :  175.entropy_src_rng_max_rate.3996118498

  coverage files:
    model(design data) :  /nightly/current_run/scratch/master/entropy_src-sim-xcelium/coverage/default/175.entropy_src_rng_max_rate.3996118498/icc_55db4829_76ea0a1b.ucm
    data               :  /nightly/current_run/scratch/master/entropy_src-sim-xcelium/coverage/default/175.entropy_src_rng_max_rate.3996118498/icc_55db4829_76ea0a1b.ucd
  TOOL:	xrun(64)	24.03-s007: Exiting on Oct 12, 2025 at 13:36:13 UTC  (total: 00:03:21)
  make: *** [/nightly/current_run/opentitan/hw/dv/tools/dvsim/sim.mk:186: simulate] Error 1

... and 1 more failures.

Job timed out after * minutes has 1 failures:
- Test entropy_src_stress_all has 1 failures.
  - 32.entropy_src_stress_all.50921992234998244467658729377586116308175976747068837527309367227638454400364
    Log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/32.entropy_src_stress_all/latest/run.log
```
  Job timed out after 180 minutes
```
UVM_FATAL (entropy_src_scoreboard.sv:2879) [scoreboard] Check failed match_found == * (* [*] vs * [*]) All candidate csrng seeds have been checked, with no match has 1 failures:
- Test entropy_src_fw_ov has 1 failures.
  - 229.entropy_src_fw_ov.71099312028810303173379505753706430198779696552953353243002475152268798294042
    Line 738, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/229.entropy_src_fw_ov/latest/run.log
```
  UVM_FATAL @ 11083019559 ps: (entropy_src_scoreboard.sv:2879) [uvm_test_top.env.scoreboard] Check failed match_found == 1 (0 [0x0] vs 1 [0x1]) All candidate csrng seeds have been checked, with no match
  UVM_INFO @ 11083019559 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
UVM_ERROR (entropy_src_scoreboard.sv:2103) [scoreboard] Check failed fw_ov_wr_fifo_full_prediction == item.d_data (* [*] vs * [*]) reg name: entropy_src_reg_block.fw_ov_wr_fifo_full has 1 failures:
- Test entropy_src_fw_ov has 1 failures.
  - 248.entropy_src_fw_ov.41498465901092270444836542853441802037017571070785418922348693707762736811906
    Line 1141, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/248.entropy_src_fw_ov/latest/run.log
```
  UVM_ERROR @ 9948004247 ps: (entropy_src_scoreboard.sv:2103) [uvm_test_top.env.scoreboard] Check failed fw_ov_wr_fifo_full_prediction == item.d_data (1 [0x1] vs 0 [0x0]) reg name: entropy_src_reg_block.fw_ov_wr_fifo_full
  UVM_INFO @ 9948004247 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```