{"block":{"name":"uart","variant":null,"commit":"ae672c65f22255851c1b45fde094ba1961b68c74","commit_short":"ae672c6","branch":"master","url":"https://github.com/lowRISC/opentitan/tree/ae672c65f22255851c1b45fde094ba1961b68c74","revision_info":"GitHub Revision: [`ae672c6`](https://github.com/lowrisc/opentitan/tree/ae672c65f22255851c1b45fde094ba1961b68c74)"},"tool":{"name":"xcelium","version":"unknown"},"timestamp":"2026-04-07T16:08:41Z","build_seed":null,"testplan_ref":"https://opentitan.org/book/hw/ip/uart/data/uart_testplan.html","stages":{"V1":{"testpoints":{"smoke":{"tests":{"uart_smoke":{"max_time":9.0,"sim_time":88.787791,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_hw_reset":{"tests":{"uart_csr_hw_reset":{"max_time":2.0,"sim_time":43.887549,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_rw":{"tests":{"uart_csr_rw":{"max_time":2.0,"sim_time":89.066201,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_bit_bash":{"tests":{"uart_csr_bit_bash":{"max_time":3.0,"sim_time":59.252226,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_aliasing":{"tests":{"uart_csr_aliasing":{"max_time":2.0,"sim_time":113.452844,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_mem_rw_with_rand_reset":{"tests":{"uart_csr_mem_rw_with_rand_reset":{"max_time":2.0,"sim_time":27.413338,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"regwen_csr_and_corresponding_lockable_csr":{"tests":{"uart_csr_rw":{"max_time":2.0,"sim_time":89.066201,"passed":1,"total":1,"percent":100.0},"uart_csr_aliasing":{"max_time":2.0,"sim_time":113.452844,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0}},"passed":6,"total":6,"percent":100.0},"V2":{"testpoints":{"base_random_seq":{"tests":{"uart_tx_rx":{"max_time":40.0,"sim_time":23517.646522,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"parity":{"tests":{"uart_smoke":{"max_time":9.0,"sim_time":88.787791,"passed":1,"total":1,"percent":100.0},"uart_tx_rx":{"max_time":40.0,"sim_time":23517.646522,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"parity_error":{"tests":{"uart_intr":{"max_time":20.0,"sim_time":22036.759399,"passed":1,"total":1,"percent":100.0},"uart_rx_parity_err":{"max_time":13.0,"sim_time":35370.172417999995,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"watermark":{"tests":{"uart_tx_rx":{"max_time":40.0,"sim_time":23517.646522,"passed":1,"total":1,"percent":100.0},"uart_intr":{"max_time":20.0,"sim_time":22036.759399,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"fifo_full":{"tests":{"uart_fifo_full":{"max_time":108.0,"sim_time":75668.74088,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"fifo_overflow":{"tests":{"uart_fifo_overflow":{"max_time":28.0,"sim_time":31857.036419,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"fifo_reset":{"tests":{"uart_fifo_reset":{"max_time":20.0,"sim_time":27123.05916,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_frame_err":{"tests":{"uart_intr":{"max_time":20.0,"sim_time":22036.759399,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_break_err":{"tests":{"uart_intr":{"max_time":20.0,"sim_time":22036.759399,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_timeout":{"tests":{"uart_intr":{"max_time":20.0,"sim_time":22036.759399,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"perf":{"tests":{"uart_perf":{"max_time":24.0,"sim_time":10082.88638,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"sys_loopback":{"tests":{"uart_loopback":{"max_time":4.0,"sim_time":9800.112387,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"line_loopback":{"tests":{"uart_loopback":{"max_time":4.0,"sim_time":9800.112387,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_noise_filter":{"tests":{"uart_noise_filter":{"max_time":4.0,"sim_time":1785.639285,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"rx_start_bit_filter":{"tests":{"uart_rx_start_bit_filter":{"max_time":14.0,"sim_time":40297.38725,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"tx_overide":{"tests":{"uart_tx_ovrd":{"max_time":3.0,"sim_time":703.890431,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_oversample":{"tests":{"uart_rx_oversample":{"max_time":13.0,"sim_time":7200.864659,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"long_b2b_transfer":{"tests":{"uart_long_xfer_wo_dly":{"max_time":217.0,"sim_time":138982.658782,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"stress_all":{"tests":{"uart_stress_all":{"max_time":75.0,"sim_time":59582.807275,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"alert_test":{"tests":{"uart_alert_test":{"max_time":1.0,"sim_time":11.841206,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"intr_test":{"tests":{"uart_intr_test":{"max_time":2.0,"sim_time":44.636900999999995,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"tl_d_oob_addr_access":{"tests":{"uart_tl_errors":{"max_time":1.0,"sim_time":69.190494,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"tl_d_illegal_access":{"tests":{"uart_tl_errors":{"max_time":1.0,"sim_time":69.190494,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"tl_d_outstanding_access":{"tests":{"uart_csr_hw_reset":{"max_time":2.0,"sim_time":43.887549,"passed":1,"total":1,"percent":100.0},"uart_csr_rw":{"max_time":2.0,"sim_time":89.066201,"passed":1,"total":1,"percent":100.0},"uart_csr_aliasing":{"max_time":2.0,"sim_time":113.452844,"passed":1,"total":1,"percent":100.0},"uart_same_csr_outstanding":{"max_time":2.0,"sim_time":286.650214,"passed":1,"total":1,"percent":100.0}},"passed":4,"total":4,"percent":100.0},"tl_d_partial_access":{"tests":{"uart_csr_hw_reset":{"max_time":2.0,"sim_time":43.887549,"passed":1,"total":1,"percent":100.0},"uart_csr_rw":{"max_time":2.0,"sim_time":89.066201,"passed":1,"total":1,"percent":100.0},"uart_csr_aliasing":{"max_time":2.0,"sim_time":113.452844,"passed":1,"total":1,"percent":100.0},"uart_same_csr_outstanding":{"max_time":2.0,"sim_time":286.650214,"passed":1,"total":1,"percent":100.0}},"passed":4,"total":4,"percent":100.0}},"passed":21,"total":22,"percent":95.45454545454545},"V2S":{"testpoints":{"tl_intg_err":{"tests":{"uart_sec_cm":{"max_time":1.0,"sim_time":158.359591,"passed":1,"total":1,"percent":100.0},"uart_tl_intg_err":{"max_time":1.0,"sim_time":383.005131,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"sec_cm_bus_integrity":{"tests":{"uart_tl_intg_err":{"max_time":1.0,"sim_time":383.005131,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"V3":{"testpoints":{"stress_all_with_rand_reset":{"tests":{"uart_stress_all_with_rand_reset":{"max_time":10.0,"sim_time":1076.425199,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0}},"coverage":{"code":{"block":98.66,"line_statement":99.24,"branch":97.42,"condition_expression":null,"toggle":88.53,"fsm":25.0},"assertion":97.12,"functional":90.69},"cov_report_page":"/nightly/current_run/scratch/master/uart-sim-xcelium/cov_report/index.html","failed_jobs":{"buckets":{"UVM_ERROR (uart_scoreboard.sv:446) [scoreboard] Check failed item.d_data[i] == intr_exp_at_addr_phase[i] (* [*] vs * [*]) Interrupt: RxFrameErr":[{"name":"uart_noise_filter","qual_name":"0.uart_noise_filter.66359871629565937841980298375472077589769265326019670903228333902418883248118","seed":66359871629565937841980298375472077589769265326019670903228333902418883248118,"line":83,"log_path":"/nightly/current_run/scratch/master/uart-sim-xcelium/0.uart_noise_filter/latest/run.log","log_context":["UVM_ERROR @ 367519285 ps: (uart_scoreboard.sv:446) [uvm_test_top.env.scoreboard] Check failed item.d_data[i] == intr_exp_at_addr_phase[i] (1 [0x1] vs 0 [0x0]) Interrupt: RxFrameErr\n","UVM_ERROR @ 367519285 ps: (uart_scoreboard.sv:448) [uvm_test_top.env.scoreboard] Check failed cfg.intr_vif.pins[i] === (intr_en[i] & intr_exp[i]) (0x1 [1] vs 0x0 [0]) Interrupt_pin: RxFrameErr\n","UVM_ERROR @ 367519285 ps: (uart_scoreboard.sv:446) [uvm_test_top.env.scoreboard] Check failed item.d_data[i] == intr_exp_at_addr_phase[i] (1 [0x1] vs 0 [0x0]) Interrupt: RxWatermark\n","UVM_ERROR @ 367519285 ps: (uart_scoreboard.sv:448) [uvm_test_top.env.scoreboard] Check failed cfg.intr_vif.pins[i] === (intr_en[i] & intr_exp[i]) (0x1 [1] vs 0x0 [0]) Interrupt_pin: RxWatermark\n","UVM_ERROR @ 398479285 ps: (uart_scoreboard.sv:502) uvm_test_top.env.scoreboard [uvm_test_top.env.scoreboard] rxlvl mismatch exp: 0 (+/-1), act: 18,                                 clk_pulses: 0\n"]}]}},"passed":26,"total":27,"percent":96.29629629629629}