{"block":{"name":"uart","variant":null,"commit":"ee0af469942aa5df3da82cf29792d58d66d205d4","commit_short":"ee0af46","branch":"master","url":"https://github.com/lowRISC/opentitan/tree/ee0af469942aa5df3da82cf29792d58d66d205d4","revision_info":"GitHub Revision: [`ee0af46`](https://github.com/lowrisc/opentitan/tree/ee0af469942aa5df3da82cf29792d58d66d205d4)"},"tool":{"name":"vcs","version":"unknown"},"timestamp":"2026-04-17T01:26:32Z","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":0.92,"sim_time":131.479074,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_hw_reset":{"tests":{"uart_csr_hw_reset":{"max_time":0.66,"sim_time":28.393598,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_rw":{"tests":{"uart_csr_rw":{"max_time":0.76,"sim_time":31.372034,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_bit_bash":{"tests":{"uart_csr_bit_bash":{"max_time":1.89,"sim_time":60.359602,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_aliasing":{"tests":{"uart_csr_aliasing":{"max_time":0.74,"sim_time":78.727223,"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":0.93,"sim_time":13.954687,"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":0.76,"sim_time":31.372034,"passed":1,"total":1,"percent":100.0},"uart_csr_aliasing":{"max_time":0.74,"sim_time":78.727223,"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":44.96,"sim_time":72418.855,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"parity":{"tests":{"uart_smoke":{"max_time":0.92,"sim_time":131.479074,"passed":1,"total":1,"percent":100.0},"uart_tx_rx":{"max_time":44.96,"sim_time":72418.855,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"parity_error":{"tests":{"uart_intr":{"max_time":34.2,"sim_time":31900.855311,"passed":1,"total":1,"percent":100.0},"uart_rx_parity_err":{"max_time":22.12,"sim_time":21291.519725000002,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"watermark":{"tests":{"uart_tx_rx":{"max_time":44.96,"sim_time":72418.855,"passed":1,"total":1,"percent":100.0},"uart_intr":{"max_time":34.2,"sim_time":31900.855311,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"fifo_full":{"tests":{"uart_fifo_full":{"max_time":22.38,"sim_time":41383.12540999999,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"fifo_overflow":{"tests":{"uart_fifo_overflow":{"max_time":33.9,"sim_time":51564.522072,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"fifo_reset":{"tests":{"uart_fifo_reset":{"max_time":21.99,"sim_time":32481.210744000004,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_frame_err":{"tests":{"uart_intr":{"max_time":34.2,"sim_time":31900.855311,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_break_err":{"tests":{"uart_intr":{"max_time":34.2,"sim_time":31900.855311,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_timeout":{"tests":{"uart_intr":{"max_time":34.2,"sim_time":31900.855311,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"perf":{"tests":{"uart_perf":{"max_time":946.01,"sim_time":33061.437135,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"sys_loopback":{"tests":{"uart_loopback":{"max_time":9.91,"sim_time":14340.50331,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"line_loopback":{"tests":{"uart_loopback":{"max_time":9.91,"sim_time":14340.50331,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_noise_filter":{"tests":{"uart_noise_filter":{"max_time":17.11,"sim_time":59183.19085499999,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_start_bit_filter":{"tests":{"uart_rx_start_bit_filter":{"max_time":0.98,"sim_time":676.585914,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"tx_overide":{"tests":{"uart_tx_ovrd":{"max_time":2.28,"sim_time":651.2433159999999,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"rx_oversample":{"tests":{"uart_rx_oversample":{"max_time":8.82,"sim_time":6646.342559999999,"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":148.2,"sim_time":129146.33124899998,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"stress_all":{"tests":{"uart_stress_all":{"max_time":72.65,"sim_time":64095.087828,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"alert_test":{"tests":{"uart_alert_test":{"max_time":0.64,"sim_time":19.139115,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"intr_test":{"tests":{"uart_intr_test":{"max_time":0.81,"sim_time":17.883417,"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":1.79,"sim_time":629.2840110000001,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"tl_d_illegal_access":{"tests":{"uart_tl_errors":{"max_time":1.79,"sim_time":629.2840110000001,"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":0.66,"sim_time":28.393598,"passed":1,"total":1,"percent":100.0},"uart_csr_rw":{"max_time":0.76,"sim_time":31.372034,"passed":1,"total":1,"percent":100.0},"uart_csr_aliasing":{"max_time":0.74,"sim_time":78.727223,"passed":1,"total":1,"percent":100.0},"uart_same_csr_outstanding":{"max_time":0.91,"sim_time":111.985228,"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":0.66,"sim_time":28.393598,"passed":1,"total":1,"percent":100.0},"uart_csr_rw":{"max_time":0.76,"sim_time":31.372034,"passed":1,"total":1,"percent":100.0},"uart_csr_aliasing":{"max_time":0.74,"sim_time":78.727223,"passed":1,"total":1,"percent":100.0},"uart_same_csr_outstanding":{"max_time":0.91,"sim_time":111.985228,"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":0.98,"sim_time":271.527295,"passed":1,"total":1,"percent":100.0},"uart_tl_intg_err":{"max_time":1.47,"sim_time":117.827073,"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":1.47,"sim_time":117.827073,"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":15.38,"sim_time":13399.008835999999,"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":93.93,"toggle":91.55,"fsm":null},"assertion":97.12,"functional":51.48},"cov_report_page":"/nightly/current_run/scratch/master/uart-sim-vcs/cov_report/dashboard.html","failed_jobs":{"buckets":{"UVM_ERROR (uart_scoreboard.sv:501) scoreboard [scoreboard] rxlvl mismatch exp: * (+/-1), act: *, clk_pulses: *":[{"name":"uart_stress_all","qual_name":"0.uart_stress_all.21388929509239450842293049772403988283913471714131765791822149538613995066387","seed":21388929509239450842293049772403988283913471714131765791822149538613995066387,"line":83,"log_path":"/nightly/current_run/scratch/master/uart-sim-vcs/0.uart_stress_all/latest/run.log","log_context":["UVM_ERROR @ 63556239882 ps: (uart_scoreboard.sv:462) uvm_test_top.env.scoreboard [uvm_test_top.env.scoreboard] unexpected read when fifo is empty\n","UVM_ERROR @ 63556249983 ps: (uart_scoreboard.sv:531) [uvm_test_top.env.scoreboard] Check failed csr.get_mirrored_value() == item.d_data (0 [0x0] vs 255 [0xff]) reg name: uart_reg_block.rdata\n","UVM_ERROR @ 63556260084 ps: (uart_scoreboard.sv:462) uvm_test_top.env.scoreboard [uvm_test_top.env.scoreboard] unexpected read when fifo is empty\n","UVM_ERROR @ 63556270185 ps: (uart_scoreboard.sv:531) [uvm_test_top.env.scoreboard] Check failed csr.get_mirrored_value() == item.d_data (0 [0x0] vs 255 [0xff]) reg name: uart_reg_block.rdata\n"]}]}},"passed":26,"total":27,"percent":96.29629629629629}