ENTROPY_SRC/RNG_4BITS Simulation Results

Sunday November 02 2025 00:09:31 UTC

GitHub Revision: `0136fdb`

Branch: master

Testplan

Simulator: XCELIUM

Test Results

Stage	Name	Tests	Max Job Runtime	Simulated Time	Passing	Total	Pass Rate
V1	smoke	entropy_src_smoke	33.000s	80.323us	50	50	100.00
V1	csr_hw_reset	entropy_src_csr_hw_reset	3.000s	136.999us	5	5	100.00
V1	csr_rw	entropy_src_csr_rw	3.000s	27.419us	20	20	100.00
V1	csr_bit_bash	entropy_src_csr_bit_bash	8.000s	1.507ms	5	5	100.00
V1	csr_aliasing	entropy_src_csr_aliasing	5.000s	332.846us	5	5	100.00
V1	csr_mem_rw_with_rand_reset	entropy_src_csr_mem_rw_with_rand_reset	3.000s	89.672us	20	20	100.00
V1	regwen_csr_and_corresponding_lockable_csr	entropy_src_csr_rw	3.000s	27.419us	20	20	100.00
		entropy_src_csr_aliasing	5.000s	332.846us	5	5	100.00
V1		TOTAL			105	105	100.00
V2	firmware	entropy_src_smoke	33.000s	80.323us	50	50	100.00
		entropy_src_rng	9.667m	20.104ms	300	300	100.00
		entropy_src_fw_ov	8.933m	20.083ms	293	300	97.67
V2	firmware_mode	entropy_src_fw_ov	8.933m	20.083ms	293	300	97.67
V2	rng_mode	entropy_src_rng	9.667m	20.104ms	300	300	100.00
V2	rng_max_rate	entropy_src_rng_max_rate	15.083m	20.044ms	397	400	99.25
V2	health_checks	entropy_src_rng	9.667m	20.104ms	300	300	100.00
V2	conditioning	entropy_src_rng	9.667m	20.104ms	300	300	100.00
V2	interrupts	entropy_src_rng	9.667m	20.104ms	300	300	100.00
		entropy_src_intr	46.000s	355.630us	50	50	100.00
V2	alerts	entropy_src_rng	9.667m	20.104ms	300	300	100.00
		entropy_src_functional_alerts	36.000s	179.218us	50	50	100.00
V2	stress_all	entropy_src_stress_all	1.919h	10.000s	46	50	92.00
V2	functional_errors	entropy_src_functional_errors	3.417m	10.023ms	991	1000	99.10
V2	firmware_ov_read_contiguous_data	entropy_src_fw_ov_contiguous	41.000s	177.932us	50	50	100.00
V2	intr_test	entropy_src_intr_test	3.000s	61.591us	50	50	100.00
V2	alert_test	entropy_src_alert_test	31.000s	66.480us	50	50	100.00
V2	tl_d_oob_addr_access	entropy_src_tl_errors	7.000s	600.366us	20	20	100.00
V2	tl_d_illegal_access	entropy_src_tl_errors	7.000s	600.366us	20	20	100.00
V2	tl_d_outstanding_access	entropy_src_csr_hw_reset	3.000s	136.999us	5	5	100.00
		entropy_src_csr_rw	3.000s	27.419us	20	20	100.00
		entropy_src_csr_aliasing	5.000s	332.846us	5	5	100.00
		entropy_src_same_csr_outstanding	4.000s	179.684us	20	20	100.00
V2	tl_d_partial_access	entropy_src_csr_hw_reset	3.000s	136.999us	5	5	100.00
		entropy_src_csr_rw	3.000s	27.419us	20	20	100.00
		entropy_src_csr_aliasing	5.000s	332.846us	5	5	100.00
		entropy_src_same_csr_outstanding	4.000s	179.684us	20	20	100.00
V2		TOTAL			2317	2340	99.02
V2S	tl_intg_err	entropy_src_sec_cm	33.000s	1.173ms	5	5	100.00
		entropy_src_tl_intg_err	6.000s	2.208ms	20	20	100.00
V2S	sec_cm_config_regwen	entropy_src_rng	9.667m	20.104ms	300	300	100.00
		entropy_src_cfg_regwen	34.000s	21.586us	50	50	100.00
V2S	sec_cm_config_mubi	entropy_src_rng	9.667m	20.104ms	300	300	100.00
V2S	sec_cm_config_redun	entropy_src_rng	9.667m	20.104ms	300	300	100.00
V2S	sec_cm_intersig_mubi	entropy_src_rng	9.667m	20.104ms	300	300	100.00
		entropy_src_fw_ov	8.933m	20.083ms	293	300	97.67
V2S	sec_cm_main_sm_fsm_sparse	entropy_src_functional_errors	3.417m	10.023ms	991	1000	99.10
		entropy_src_sec_cm	33.000s	1.173ms	5	5	100.00
V2S	sec_cm_ack_sm_fsm_sparse	entropy_src_functional_errors	3.417m	10.023ms	991	1000	99.10
		entropy_src_sec_cm	33.000s	1.173ms	5	5	100.00
V2S	sec_cm_rng_bkgn_chk	entropy_src_rng	9.667m	20.104ms	300	300	100.00
V2S	sec_cm_fifo_ctr_redun	entropy_src_functional_errors	3.417m	10.023ms	991	1000	99.10
		entropy_src_sec_cm	33.000s	1.173ms	5	5	100.00
V2S	sec_cm_ctr_redun	entropy_src_functional_errors	3.417m	10.023ms	991	1000	99.10
		entropy_src_sec_cm	33.000s	1.173ms	5	5	100.00
V2S	sec_cm_ctr_local_esc	entropy_src_functional_errors	3.417m	10.023ms	991	1000	99.10
V2S	sec_cm_esfinal_rdata_bus_consistency	entropy_src_functional_alerts	36.000s	179.218us	50	50	100.00
V2S	sec_cm_tile_link_bus_integrity	entropy_src_tl_intg_err	6.000s	2.208ms	20	20	100.00
V2S		TOTAL			75	75	100.00
V3	external_health_tests	entropy_src_rng_with_xht_rsps	9.283m	20.044ms	50	50	100.00
V3		TOTAL			50	50	100.00
		TOTAL			2547	2570	99.11

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 9 failures:
- Test entropy_src_functional_errors has 9 failures.
  - 200.entropy_src_functional_errors.54285212147417567977507504384626013655509926967355100538371339671210549509592
    Line 167, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/200.entropy_src_functional_errors/latest/run.log
```
  UVM_FATAL @ 10067259219 ps: (csr_utils_pkg.sv:618) [csr_utils_pkg::csr_spinwait.isolation_fork] timeout entropy_src_reg_block.err_code.sfifo_observe_err (addr=0xc1868ad4, Comparison=CompareOpEq, exp_data=0x1, call_count=2)
  UVM_INFO @ 10067259219 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - 296.entropy_src_functional_errors.103531314019015531389459900443415251866299390859493043320932911461764042787743
    Line 167, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/296.entropy_src_functional_errors/latest/run.log
```
  UVM_FATAL @ 10069172394 ps: (csr_utils_pkg.sv:618) [csr_utils_pkg::csr_spinwait.isolation_fork] timeout entropy_src_reg_block.err_code.sfifo_observe_err (addr=0xcb7f53d4, Comparison=CompareOpEq, exp_data=0x1, call_count=2)
  UVM_INFO @ 10069172394 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 recov_alert triggered unexpectedly has 6 failures:
- Test entropy_src_fw_ov has 6 failures.
  - 70.entropy_src_fw_ov.111916697024827373004095397525618239798231765421358896113584463118886102880167
    Line 1449, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/70.entropy_src_fw_ov/latest/run.log
```
  UVM_ERROR @ 16210175689 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 @ 16210175689 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - 81.entropy_src_fw_ov.53992040302798786946871498367417139296204860581507016795209703418794327432032
    Line 1651, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/81.entropy_src_fw_ov/latest/run.log
```
  UVM_ERROR @ 15070355614 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 @ 15070355614 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - ... and 4 more failures.
Job timed out after * minutes has 3 failures:
- Test entropy_src_stress_all has 3 failures.
  - 20.entropy_src_stress_all.68948954187312474721725795680111322449802201374606742545406995446029328155615
    Log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/20.entropy_src_stress_all/latest/run.log
```
  Job timed out after 180 minutes
```
  - 41.entropy_src_stress_all.50833567229406108237284734428791825953860311712210917114540959743521734527516
    Log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/41.entropy_src_stress_all/latest/run.log
```
  Job timed out after 180 minutes
```
  - ... and 1 more failures.
UVM_FATAL (uvm_phase.svh:1521) [PH_TIMEOUT] Explicit timeout of * ps hit, indicating a probable testbench issue has 1 failures:
- Test entropy_src_stress_all has 1 failures.
  - 14.entropy_src_stress_all.45476138786391320221387719091600895881191832123445005813979322435138606945677
    Line 303, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/14.entropy_src_stress_all/latest/run.log
```
  UVM_FATAL @ 10000000000000 ps: (uvm_phase.svh:1521) [PH_TIMEOUT] Explicit timeout of 10000000000000 ps hit, indicating a probable testbench issue
  UVM_INFO @ 10000000000000 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
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.
  - 21.entropy_src_fw_ov.3548270087713918300622443510692659959906764698176402959314002272684899549721
    Line 1913, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/21.entropy_src_fw_ov/latest/run.log
```
  UVM_FATAL @ 6652879735 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 @ 6652879735 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```

Job returned non-zero exit code has 1 failures:

Test entropy_src_rng_max_rate has 1 failures.

195.entropy_src_rng_max_rate.51281846785892140231355990655655385840215105179360837495260978953846270939751
Log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/195.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 :  195.entropy_src_rng_max_rate.7033447

  coverage files:
    model(design data) :  /nightly/current_run/scratch/master/entropy_src-sim-xcelium/coverage/default/195.entropy_src_rng_max_rate.7033447/icc_6074651d_472fc861.ucm
    data               :  /nightly/current_run/scratch/master/entropy_src-sim-xcelium/coverage/default/195.entropy_src_rng_max_rate.7033447/icc_6074651d_472fc861.ucd
  TOOL:	xrun(64)	24.03-s007: Exiting on Nov 02, 2025 at 14:12:00 UTC  (total: 00:03:31)
  make: *** [/nightly/current_run/opentitan/hw/dv/tools/dvsim/sim.mk:186: simulate] Error 1

UVM_ERROR (cip_base_scoreboard.sv:268) [scoreboard] Check failed expected_alert[alert_name].expected == * (* [*] vs * [*]) alert fatal_alert triggered unexpectedly has 1 failures:
- Test entropy_src_rng_max_rate has 1 failures.
  - 301.entropy_src_rng_max_rate.82521922543938514555260796606477822970836464189130850378289558792101171853906
    Line 1511, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/301.entropy_src_rng_max_rate/latest/run.log
```
  UVM_ERROR @ 11913238991 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 @ 11913238991 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
UVM_FATAL (entropy_src_scoreboard.sv:2913) [scoreboard] Check failed prediction == csr_val (* [*] vs * [*]) Prediction for observe FIFO access failed. has 1 failures:
- Test entropy_src_rng_max_rate has 1 failures.
  - 360.entropy_src_rng_max_rate.2286650834423466559639980981451089533646502973259524148125113059158742456995
    Line 946, in log /nightly/current_run/scratch/master/entropy_src-sim-xcelium/360.entropy_src_rng_max_rate/latest/run.log
```
  UVM_FATAL @ 1311825134 ps: (entropy_src_scoreboard.sv:2913) [uvm_test_top.env.scoreboard] Check failed prediction == csr_val (0 [0x0] vs 3069678519 [0xb6f793b7]) Prediction for observe FIFO access failed.
  UVM_INFO @ 1311825134 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```