Simulation Results: otbn

 
06/04/2026 19:24:38 DVSim: v1.17.3 sha: d2f24af json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 94.38 %
  • code
  • 95.12 %
  • assert
  • 89.29 %
  • func
  • 98.73 %
  • block
  • 99.36 %
  • line
  • 99.54 %
  • branch
  • 91.84 %
  • toggle
  • 91.67 %
  • FSM
  • 97.44 %
Validation stages
V1
100.00%
V2
92.86%
V2S
100.00%
V3
0.00%
unmapped
100.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 1 1 100.00
otbn_smoke 10.000s 150.430us 1 1 100.00
single_binary 1 1 100.00
otbn_single 6.000s 21.305us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 3.000s 29.754us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 3.000s 23.220us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 5.000s 923.296us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 4.000s 34.329us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 6.000s 187.304us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 3.000s 23.220us 1 1 100.00
otbn_csr_aliasing 4.000s 34.329us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 43.000s 1005.647us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 22.000s 542.698us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 22.000s 383.677us 1 1 100.00
multi_error 0 1 0.00
otbn_multi_err 4.600s 0.000us 0 1 0.00
back_to_back 1 1 100.00
otbn_multi 44.000s 162.872us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 72.000s 867.964us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 30.000s 117.473us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 6.000s 48.927us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 7.000s 97.744us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 5.000s 30.316us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 3.000s 13.748us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 5.000s 160.987us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 5.000s 160.987us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 3.000s 29.754us 1 1 100.00
otbn_csr_rw 3.000s 23.220us 1 1 100.00
otbn_csr_aliasing 4.000s 34.329us 1 1 100.00
otbn_same_csr_outstanding 3.000s 44.276us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 3.000s 29.754us 1 1 100.00
otbn_csr_rw 3.000s 23.220us 1 1 100.00
otbn_csr_aliasing 4.000s 34.329us 1 1 100.00
otbn_same_csr_outstanding 3.000s 44.276us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 7.000s 50.303us 1 1 100.00
otbn_dmem_err 7.000s 58.957us 1 1 100.00
internal_integrity 4 4 100.00
otbn_alu_bignum_mod_err 13.000s 53.228us 1 1 100.00
otbn_controller_ispr_rdata_err 8.000s 211.696us 1 1 100.00
otbn_mac_bignum_acc_err 20.000s 71.428us 1 1 100.00
otbn_urnd_err 6.000s 130.396us 1 1 100.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 4.000s 16.664us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 6.000s 23.236us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 6.000s 20.880us 1 1 100.00
tl_intg_err 2 2 100.00
otbn_sec_cm 193.000s 4373.996us 1 1 100.00
otbn_tl_intg_err 19.000s 315.906us 1 1 100.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 20.000s 94.649us 1 1 100.00
prim_fsm_check 1 1 100.00
otbn_sec_cm 193.000s 4373.996us 1 1 100.00
prim_count_check 1 1 100.00
otbn_sec_cm 193.000s 4373.996us 1 1 100.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 10.000s 150.430us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 7.000s 58.957us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 7.000s 50.303us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 19.000s 315.906us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 30.000s 117.473us 1 1 100.00
sec_cm_controller_fsm_local_esc 5 5 100.00
otbn_imem_err 7.000s 50.303us 1 1 100.00
otbn_dmem_err 7.000s 58.957us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 48.927us 1 1 100.00
otbn_illegal_mem_acc 4.000s 16.664us 1 1 100.00
otbn_sec_cm 193.000s 4373.996us 1 1 100.00
sec_cm_controller_fsm_sparse 1 1 100.00
otbn_sec_cm 193.000s 4373.996us 1 1 100.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 6.000s 21.305us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 7.000s 50.303us 1 1 100.00
otbn_dmem_err 7.000s 58.957us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 48.927us 1 1 100.00
otbn_illegal_mem_acc 4.000s 16.664us 1 1 100.00
otbn_sec_cm 193.000s 4373.996us 1 1 100.00
sec_cm_scramble_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 193.000s 4373.996us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 30.000s 117.473us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 7.000s 50.303us 1 1 100.00
otbn_dmem_err 7.000s 58.957us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 48.927us 1 1 100.00
otbn_illegal_mem_acc 4.000s 16.664us 1 1 100.00
otbn_sec_cm 193.000s 4373.996us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 193.000s 4373.996us 1 1 100.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 6.000s 21.305us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 5.000s 12.944us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 6.000s 34.893us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 30.000s 786.719us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 30.000s 786.719us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 8.000s 46.802us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 193.000s 4373.996us 1 1 100.00
sec_cm_stack_wr_ptr_ctr_redun 1 1 100.00
otbn_sec_cm 193.000s 4373.996us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 11.000s 112.919us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 193.000s 4373.996us 1 1 100.00
sec_cm_loop_stack_ctr_redun 1 1 100.00
otbn_sec_cm 193.000s 4373.996us 1 1 100.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 6.000s 39.756us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 6.000s 39.756us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 4.000s 10.079us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 6.000s 21.305us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 6.000s 21.305us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 6.000s 21.305us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 44.000s 162.872us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 6.000s 21.305us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 6.000s 21.305us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 11.000s 29.785us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 6.000s 21.305us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 1 1 100.00
otbn_sec_cm 193.000s 4373.996us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
stress_all_with_rand_reset 0 1 0.00
otbn_stress_all_with_rand_reset 34.000s 250.257us 0 1 0.00
Testpoint Test Max Runtime Sim Time Pass Total %
Unmapped 1 1 100.00
otbn_smoke_vectorized 6.000s 39.416us 1 1 100.00

Error Messages

   Test seed line log context
Job returned non-zero exit code
otbn_multi_err 25860971137365922526162899014801297408890507906141918436551820373742362829303 None
[make]: pre_run
mkdir -p /nightly/current_run/scratch/master/otbn-sim-xcelium/0.otbn_multi_err/latest
cd /nightly/current_run/scratch/master/otbn-sim-xcelium/0.otbn_multi_err/latest && pushd /nightly/current_run/opentitan; source hw/ip/otbn/dv/uvm/get-toolchain-paths.sh; popd; /nightly/current_run/opentitan/hw/ip/otbn/dv/uvm/gen-binaries.py --src-dir /nightly/current_run/opentitan/hw/ip/otbn/dv/otbnsim/test/simple/multi /nightly/current_run/scratch/master/otbn-sim-xcelium/0.otbn_multi_err/latest/otbn-binaries
/nightly/current_run/opentitan /nightly/current_run/scratch/master/otbn-sim-xcelium/0.otbn_multi_err/latest
2026/04/06 19:40:25 Downloading https://releases.bazel.build/8.0.1/release/bazel-8.0.1-linux-x86_64...
Opening zip "/nightly/runs/.cache/bazelisk/downloads/sha256/40f243b118f46d1c88842315e78ec5f9f6390980d67a90f7b64098613e60d65b/bin/bazel (deleted)": open(): No such file or directory
FATAL: Failed to open '/nightly/runs/.cache/bazelisk/downloads/sha256/40f243b118f46d1c88842315e78ec5f9f6390980d67a90f7b64098613e60d65b/bin/bazel (deleted)' as a zip file: (error: 2): No such file or directory
make: *** [/nightly/current_run/opentitan/hw/dv/tools/dvsim/sim.mk:52: pre_run] Error 36
UVM_ERROR (cip_base_vseq.sv:1237) [otbn_common_vseq] Check failed (!has_outstanding_access()) Waited * cycles to issue a reset with no outstanding accesses.
otbn_stress_all_with_rand_reset 66439754439299542706550809975510871125417086265366795884275140809129389676228 157
UVM_ERROR @ 250256616 ps: (cip_base_vseq.sv:1237) [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 @ 250256616 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---