{"block":{"name":"uart","variant":null,"commit":"a114efecc9730fbc8cabc2d6f5a9df912a972b83","commit_short":"a114efe","branch":"master","url":"https://github.com/lowRISC/opentitan/tree/a114efecc9730fbc8cabc2d6f5a9df912a972b83","revision_info":"GitHub Revision: [`a114efe`](https://github.com/lowrisc/opentitan/tree/a114efecc9730fbc8cabc2d6f5a9df912a972b83)"},"tool":{"name":"vcs","version":"unknown"},"timestamp":"2026-06-18T15:30:44Z","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":8.46,"sim_time":5680.9740329999995,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_hw_reset":{"tests":{"uart_csr_hw_reset":{"max_time":0.57,"sim_time":24.554928,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_rw":{"tests":{"uart_csr_rw":{"max_time":0.63,"sim_time":39.809067999999996,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_bit_bash":{"tests":{"uart_csr_bit_bash":{"max_time":2.16,"sim_time":313.436942,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_aliasing":{"tests":{"uart_csr_aliasing":{"max_time":0.8,"sim_time":15.322031,"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":0.74,"sim_time":34.954432000000004,"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":0.63,"sim_time":39.809067999999996,"passed":1,"total":1,"percent":100.0},"uart_csr_aliasing":{"max_time":0.8,"sim_time":15.322031,"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":53.87,"sim_time":117036.218488,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"parity":{"tests":{"uart_smoke":{"max_time":8.46,"sim_time":5680.9740329999995,"passed":1,"total":1,"percent":100.0},"uart_tx_rx":{"max_time":53.87,"sim_time":117036.218488,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"parity_error":{"tests":{"uart_intr":{"max_time":25.19,"sim_time":23523.418632,"passed":1,"total":1,"percent":100.0},"uart_rx_parity_err":{"max_time":16.9,"sim_time":25220.335557,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"watermark":{"tests":{"uart_tx_rx":{"max_time":53.87,"sim_time":117036.218488,"passed":1,"total":1,"percent":100.0},"uart_intr":{"max_time":25.19,"sim_time":23523.418632,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"fifo_full":{"tests":{"uart_fifo_full":{"max_time":82.56,"sim_time":256420.645848,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"fifo_overflow":{"tests":{"uart_fifo_overflow":{"max_time":33.06,"sim_time":39345.893268,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"fifo_reset":{"tests":{"uart_fifo_reset":{"max_time":29.4,"sim_time":160409.84371900003,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_frame_err":{"tests":{"uart_intr":{"max_time":25.19,"sim_time":23523.418632,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_break_err":{"tests":{"uart_intr":{"max_time":25.19,"sim_time":23523.418632,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_timeout":{"tests":{"uart_intr":{"max_time":25.19,"sim_time":23523.418632,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"perf":{"tests":{"uart_perf":{"max_time":380.63,"sim_time":14414.221984,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"sys_loopback":{"tests":{"uart_loopback":{"max_time":4.87,"sim_time":4085.377073,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"line_loopback":{"tests":{"uart_loopback":{"max_time":4.87,"sim_time":4085.377073,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_noise_filter":{"tests":{"uart_noise_filter":{"max_time":38.28,"sim_time":89770.96914,"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":25.43,"sim_time":30327.326887,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"tx_overide":{"tests":{"uart_tx_ovrd":{"max_time":1.84,"sim_time":1304.591324,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_oversample":{"tests":{"uart_rx_oversample":{"max_time":17.8,"sim_time":4552.952373,"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":172.95,"sim_time":163210.60081499998,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"stress_all":{"tests":{"uart_stress_all":{"max_time":64.04,"sim_time":310667.539072,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"alert_test":{"tests":{"uart_alert_test":{"max_time":0.57,"sim_time":46.094961000000005,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"intr_test":{"tests":{"uart_intr_test":{"max_time":0.67,"sim_time":44.839211000000006,"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":1.9,"sim_time":75.90335400000001,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"tl_d_illegal_access":{"tests":{"uart_tl_errors":{"max_time":1.9,"sim_time":75.90335400000001,"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":0.57,"sim_time":24.554928,"passed":1,"total":1,"percent":100.0},"uart_csr_rw":{"max_time":0.63,"sim_time":39.809067999999996,"passed":1,"total":1,"percent":100.0},"uart_csr_aliasing":{"max_time":0.8,"sim_time":15.322031,"passed":1,"total":1,"percent":100.0},"uart_same_csr_outstanding":{"max_time":0.77,"sim_time":38.487946,"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":0.57,"sim_time":24.554928,"passed":1,"total":1,"percent":100.0},"uart_csr_rw":{"max_time":0.63,"sim_time":39.809067999999996,"passed":1,"total":1,"percent":100.0},"uart_csr_aliasing":{"max_time":0.8,"sim_time":15.322031,"passed":1,"total":1,"percent":100.0},"uart_same_csr_outstanding":{"max_time":0.77,"sim_time":38.487946,"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":1.14,"sim_time":63.520421999999996,"passed":1,"total":1,"percent":100.0},"uart_tl_intg_err":{"max_time":1.34,"sim_time":102.27923,"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":1.34,"sim_time":102.27923,"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":19.43,"sim_time":2359.599099,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0}},"coverage":{"code":{"block":null,"line_statement":98.86,"branch":96.5,"condition_expression":94.05,"toggle":91.55,"fsm":null},"assertion":98.27,"functional":61.58},"cov_report_page":"/nightly/current_run/scratch/master/uart-sim-vcs/cov_report/dashboard.html","vplan_report_page":null,"vplan_coverage":null,"failed_jobs":{"buckets":{"UVM_ERROR (uart_scoreboard.sv:501) scoreboard [scoreboard] rxlvl mismatch exp: * (+/-1), act: *, clk_pulses: *":[{"name":"uart_noise_filter","qual_name":"0.uart_noise_filter.13361283500475528212836907055031186015821389064113484247463785231674721620985","seed":13361283500475528212836907055031186015821389064113484247463785231674721620985,"line":83,"log_path":"/nightly/current_run/scratch/master/uart-sim-vcs/0.uart_noise_filter/latest/run.log","log_context":["UVM_ERROR @ 89434578974 ps: (uart_scoreboard.sv:462) uvm_test_top.env.scoreboard [uvm_test_top.env.scoreboard] unexpected read when fifo is empty\n","UVM_ERROR @ 89434828972 ps: (uart_scoreboard.sv:531) [uvm_test_top.env.scoreboard] Check failed csr.get_mirrored_value() == item.d_data (25 [0x19] vs 247 [0xf7]) reg name: uart_reg_block.rdata\n","UVM_ERROR @ 89434900400 ps: (uart_scoreboard.sv:462) uvm_test_top.env.scoreboard [uvm_test_top.env.scoreboard] unexpected read when fifo is empty\n","UVM_ERROR @ 89435257540 ps: (uart_scoreboard.sv:531) [uvm_test_top.env.scoreboard] Check failed csr.get_mirrored_value() == item.d_data (25 [0x19] vs 250 [0xfa]) reg name: uart_reg_block.rdata\n"]}]}},"passed":26,"total":27,"percent":96.29629629629629}