{"block":{"name":"i2c","variant":null,"commit":"8ba5f7561c78dc66838f337a6e6c4f995630cdb0","commit_short":"8ba5f75","branch":"master","url":"https://github.com/lowRISC/opentitan/tree/8ba5f7561c78dc66838f337a6e6c4f995630cdb0","revision_info":"GitHub Revision: [`8ba5f75`](https://github.com/lowrisc/opentitan/tree/8ba5f7561c78dc66838f337a6e6c4f995630cdb0)"},"tool":{"name":"vcs","version":"unknown"},"timestamp":"2026-03-30T16:01:39Z","build_seed":null,"testplan_ref":"https://opentitan.org/book/hw/ip/i2c/data/i2c_testplan.html","stages":{"V1":{"testpoints":{"host_smoke":{"tests":{"i2c_host_smoke":{"max_time":50.28,"sim_time":6829.716747,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_smoke":{"tests":{"i2c_target_smoke":{"max_time":5.75,"sim_time":543.016673,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_hw_reset":{"tests":{"i2c_csr_hw_reset":{"max_time":0.78,"sim_time":18.869415,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_rw":{"tests":{"i2c_csr_rw":{"max_time":0.9,"sim_time":27.265498,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_bit_bash":{"tests":{"i2c_csr_bit_bash":{"max_time":3.6,"sim_time":1599.803301,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_aliasing":{"tests":{"i2c_csr_aliasing":{"max_time":1.74,"sim_time":471.416203,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_mem_rw_with_rand_reset":{"tests":{"i2c_csr_mem_rw_with_rand_reset":{"max_time":1.26,"sim_time":65.967636,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"regwen_csr_and_corresponding_lockable_csr":{"tests":{"i2c_csr_rw":{"max_time":0.9,"sim_time":27.265498,"passed":1,"total":1,"percent":100.0},"i2c_csr_aliasing":{"max_time":1.74,"sim_time":471.416203,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0}},"passed":7,"total":7,"percent":100.0},"V2":{"testpoints":{"host_error_intr":{"tests":{"i2c_host_error_intr":{"max_time":1.09,"sim_time":48.157360999999995,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"host_stress_all":{"tests":{"i2c_host_stress_all":{"max_time":64.3,"sim_time":2941.467581,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"host_maxperf":{"tests":{"i2c_host_perf":{"max_time":10.9,"sim_time":5049.97817,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_override":{"tests":{"i2c_host_override":{"max_time":0.73,"sim_time":49.858451,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_fifo_watermark":{"tests":{"i2c_host_fifo_watermark":{"max_time":88.57,"sim_time":9827.062098999999,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_fifo_overflow":{"tests":{"i2c_host_fifo_overflow":{"max_time":94.95,"sim_time":2254.174048,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_fifo_reset":{"tests":{"i2c_host_fifo_reset_fmt":{"max_time":0.74,"sim_time":271.038051,"passed":1,"total":1,"percent":100.0},"i2c_host_fifo_fmt_empty":{"max_time":4.35,"sim_time":406.412797,"passed":1,"total":1,"percent":100.0},"i2c_host_fifo_reset_rx":{"max_time":6.38,"sim_time":366.768935,"passed":1,"total":1,"percent":100.0}},"passed":3,"total":3,"percent":100.0},"host_fifo_full":{"tests":{"i2c_host_fifo_full":{"max_time":51.3,"sim_time":2734.7009789999997,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_timeout":{"tests":{"i2c_host_stretch_timeout":{"max_time":7.81,"sim_time":1203.666472,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"i2c_host_mode_toggle":{"tests":{"i2c_host_mode_toggle":{"max_time":0.96,"sim_time":34.333097,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_glitch":{"tests":{"i2c_target_glitch":{"max_time":2.07,"sim_time":1589.383061,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_stress_all":{"tests":{"i2c_target_stress_all":{"max_time":26.83,"sim_time":10420.642448999999,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_maxperf":{"tests":{"i2c_target_perf":{"max_time":4.5,"sim_time":3884.319654,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_fifo_empty":{"tests":{"i2c_target_stress_rd":{"max_time":10.45,"sim_time":2898.739806,"passed":1,"total":1,"percent":100.0},"i2c_target_intr_smoke":{"max_time":3.84,"sim_time":821.477396,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"target_fifo_reset":{"tests":{"i2c_target_fifo_reset_acq":{"max_time":0.99,"sim_time":159.52043700000002,"passed":1,"total":1,"percent":100.0},"i2c_target_fifo_reset_tx":{"max_time":0.76,"sim_time":551.647551,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"target_fifo_full":{"tests":{"i2c_target_stress_wr":{"max_time":36.96,"sim_time":27608.234256,"passed":1,"total":1,"percent":100.0},"i2c_target_stress_rd":{"max_time":10.45,"sim_time":2898.739806,"passed":1,"total":1,"percent":100.0},"i2c_target_intr_stress_wr":{"max_time":9.42,"sim_time":9172.471959,"passed":1,"total":1,"percent":100.0}},"passed":3,"total":3,"percent":100.0},"target_timeout":{"tests":{"i2c_target_timeout":{"max_time":4.13,"sim_time":1154.231215,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_clock_stretch":{"tests":{"i2c_target_stretch":{"max_time":3.4,"sim_time":3981.472771,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"bad_address":{"tests":{"i2c_target_bad_addr":{"max_time":5.07,"sim_time":5246.6746650000005,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_mode_glitch":{"tests":{"i2c_target_hrst":{"max_time":22.56,"sim_time":10151.500251,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_fifo_watermark":{"tests":{"i2c_target_fifo_watermarks_acq":{"max_time":2.16,"sim_time":2102.015046,"passed":1,"total":1,"percent":100.0},"i2c_target_fifo_watermarks_tx":{"max_time":1.23,"sim_time":139.07964199999998,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"host_mode_config_perf":{"tests":{"i2c_host_perf":{"max_time":10.9,"sim_time":5049.97817,"passed":1,"total":1,"percent":100.0},"i2c_host_perf_precise":{"max_time":2.16,"sim_time":227.224598,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"host_mode_clock_stretching":{"tests":{"i2c_host_stretch_timeout":{"max_time":7.81,"sim_time":1203.666472,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_mode_tx_stretch_ctrl":{"tests":{"i2c_target_tx_stretch_ctrl":{"max_time":4.49,"sim_time":435.979583,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_mode_nack_generation":{"tests":{"i2c_target_nack_acqfull":{"max_time":1.89,"sim_time":1744.947144,"passed":1,"total":1,"percent":100.0},"i2c_target_nack_acqfull_addr":{"max_time":1.69,"sim_time":1859.070903,"passed":1,"total":1,"percent":100.0},"i2c_target_nack_txstretch":{"max_time":1.37,"sim_time":328.282087,"passed":1,"total":1,"percent":100.0}},"passed":3,"total":3,"percent":100.0},"host_mode_halt_on_nak":{"tests":{"i2c_host_may_nack":{"max_time":2.23,"sim_time":237.77623699999998,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_mode_smbus_maxlen":{"tests":{"i2c_target_smbus_maxlen":{"max_time":2.7,"sim_time":494.725541,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"alert_test":{"tests":{"i2c_alert_test":{"max_time":0.73,"sim_time":28.708869,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"intr_test":{"tests":{"i2c_intr_test":{"max_time":0.81,"sim_time":16.755474,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"tl_d_oob_addr_access":{"tests":{"i2c_tl_errors":{"max_time":1.32,"sim_time":180.015201,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"tl_d_illegal_access":{"tests":{"i2c_tl_errors":{"max_time":1.32,"sim_time":180.015201,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"tl_d_outstanding_access":{"tests":{"i2c_csr_hw_reset":{"max_time":0.78,"sim_time":18.869415,"passed":1,"total":1,"percent":100.0},"i2c_csr_rw":{"max_time":0.9,"sim_time":27.265498,"passed":1,"total":1,"percent":100.0},"i2c_csr_aliasing":{"max_time":1.74,"sim_time":471.416203,"passed":1,"total":1,"percent":100.0},"i2c_same_csr_outstanding":{"max_time":1.07,"sim_time":182.60443700000002,"passed":1,"total":1,"percent":100.0}},"passed":4,"total":4,"percent":100.0},"tl_d_partial_access":{"tests":{"i2c_csr_hw_reset":{"max_time":0.78,"sim_time":18.869415,"passed":1,"total":1,"percent":100.0},"i2c_csr_rw":{"max_time":0.9,"sim_time":27.265498,"passed":1,"total":1,"percent":100.0},"i2c_csr_aliasing":{"max_time":1.74,"sim_time":471.416203,"passed":1,"total":1,"percent":100.0},"i2c_same_csr_outstanding":{"max_time":1.07,"sim_time":182.60443700000002,"passed":1,"total":1,"percent":100.0}},"passed":4,"total":4,"percent":100.0}},"passed":36,"total":41,"percent":87.8048780487805},"V2S":{"testpoints":{"tl_intg_err":{"tests":{"i2c_tl_intg_err":{"max_time":1.85,"sim_time":533.339297,"passed":1,"total":1,"percent":100.0},"i2c_sec_cm":{"max_time":1.01,"sim_time":136.61612100000002,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"sec_cm_bus_integrity":{"tests":{"i2c_tl_intg_err":{"max_time":1.85,"sim_time":533.339297,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"V3":{"testpoints":{"host_stress_all_with_rand_reset":{"tests":{"i2c_host_stress_all_with_rand_reset":{"max_time":8.52,"sim_time":3547.75315,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_error_intr":{"tests":{"i2c_target_unexp_stop":{"max_time":0.88,"sim_time":128.822037,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_stress_all_with_rand_reset":{"tests":{"i2c_target_stress_all_with_rand_reset":{"max_time":10.61,"sim_time":7826.017293,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0}},"passed":0,"total":3,"percent":0.0}},"coverage":{"code":{"block":null,"line_statement":96.38,"branch":92.26,"condition_expression":84.89,"toggle":89.66,"fsm":44.05},"assertion":96.19,"functional":78.33},"cov_report_page":"/nightly/current_run/scratch/master/i2c-sim-vcs/cov_report/dashboard.html","failed_jobs":{"buckets":{"UVM_ERROR sequencer [sequencer] Get_next_item called twice without item_done or get in between":[{"name":"i2c_host_error_intr","qual_name":"0.i2c_host_error_intr.45676795464632713796233612419890104871221827065694675403962047598587954128198","seed":45676795464632713796233612419890104871221827065694675403962047598587954128198,"line":110,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_error_intr/latest/run.log","log_context":["UVM_ERROR @  48157361 ps: uvm_test_top.env.m_i2c_agent.sequencer [uvm_test_top.env.m_i2c_agent.sequencer] Get_next_item called twice without item_done or get in between\n","UVM_INFO @  48157361 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n","\n"]},{"name":"i2c_host_stress_all","qual_name":"0.i2c_host_stress_all.3050646129300387814987742577836071479968333871069720211348453539263069192260","seed":3050646129300387814987742577836071479968333871069720211348453539263069192260,"line":121,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_stress_all/latest/run.log","log_context":["UVM_ERROR @ 2941467581 ps: uvm_test_top.env.m_i2c_agent.sequencer [uvm_test_top.env.m_i2c_agent.sequencer] Get_next_item called twice without item_done or get in between\n","UVM_INFO @ 2941467581 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n","\n"]},{"name":"i2c_target_stress_all_with_rand_reset","qual_name":"0.i2c_target_stress_all_with_rand_reset.94225940668841259331440758704396469296792292984829788751029306272024349522194","seed":94225940668841259331440758704396469296792292984829788751029306272024349522194,"line":98,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_stress_all_with_rand_reset/latest/run.log","log_context":["UVM_ERROR @ 7826017293 ps: uvm_test_top.env.m_i2c_agent.sequencer [uvm_test_top.env.m_i2c_agent.sequencer] Get_next_item called twice without item_done or get in between\n","UVM_INFO @ 7826017293 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n","\n"]}],"UVM_ERROR sequencer [sequencer] get_next_item/try_next_item called twice without item_done or get in between":[{"name":"i2c_target_glitch","qual_name":"0.i2c_target_glitch.36136376719529544198228242166313710553715766302458366415235633116146722269663","seed":36136376719529544198228242166313710553715766302458366415235633116146722269663,"line":84,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_glitch/latest/run.log","log_context":["UVM_ERROR @ 1589383061 ps: uvm_test_top.env.m_i2c_agent.sequencer [uvm_test_top.env.m_i2c_agent.sequencer] get_next_item/try_next_item called twice without item_done or get in between\n","UVM_INFO @ 1589383061 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n","\n"]}],"Offending '($stable(tx_fifo_wvalid_i) && $stable(tx_fifo_wdata_i))'":[{"name":"i2c_target_unexp_stop","qual_name":"0.i2c_target_unexp_stop.73400627409831304354767910262246004462575776204874524821006703127578032440824","seed":73400627409831304354767910262246004462575776204874524821006703127578032440824,"line":79,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_unexp_stop/latest/run.log","log_context":["\tOffending '($stable(tx_fifo_wvalid_i) && $stable(tx_fifo_wdata_i))'\n","UVM_ERROR @ 128822037 ps: (i2c_fifos.sv:318) [ASSERT FAILED] TxWriteStableBeforeHandshake_A\n","UVM_INFO @ 128822037 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n"]}],"UVM_FATAL (i2c_target_hrst_vseq.sv:107) [target_hrst_vseq] wait timeout occurred!":[{"name":"i2c_target_hrst","qual_name":"0.i2c_target_hrst.105767876242744871961301612681055370188978884439811482034714015107424873346869","seed":105767876242744871961301612681055370188978884439811482034714015107424873346869,"line":79,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_hrst/latest/run.log","log_context":["UVM_FATAL @ 10151500251 ps: (i2c_target_hrst_vseq.sv:107) [target_hrst_vseq] wait timeout occurred!\n","UVM_INFO @ 10151500251 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n","\n"]}],"UVM_ERROR (cip_base_vseq.sv:1236) [i2c_common_vseq] Check failed (!has_outstanding_access()) Waited * cycles to issue a reset with no outstanding accesses.":[{"name":"i2c_host_stress_all_with_rand_reset","qual_name":"0.i2c_host_stress_all_with_rand_reset.64602246777273135833935692040579708626738400117180756249958925885170164040805","seed":64602246777273135833935692040579708626738400117180756249958925885170164040805,"line":86,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_stress_all_with_rand_reset/latest/run.log","log_context":["UVM_ERROR @ 3547753150 ps: (cip_base_vseq.sv:1236) [uvm_test_top.env.virtual_sequencer.i2c_common_vseq] Check failed (!has_outstanding_access()) Waited 10000 cycles to issue a reset with no outstanding accesses. \n","UVM_INFO @ 3547753150 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n","\n"]}],"UVM_ERROR (i2c_scoreboard.sv:627) scoreboard [scoreboard] Miscompare: DUT-Controller, dir:BusOpRead":[{"name":"i2c_host_mode_toggle","qual_name":"0.i2c_host_mode_toggle.37779706422975074295736179807358048401821472172614219670162095804022643497498","seed":37779706422975074295736179807358048401821472172614219670162095804022643497498,"line":87,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_mode_toggle/latest/run.log","log_context":["UVM_ERROR @  34333097 ps: (i2c_scoreboard.sv:627) uvm_test_top.env.scoreboard [uvm_test_top.env.scoreboard] Miscompare: DUT-Controller, dir:BusOpRead\n","--> EXP:\n","---------------------------------------------------\n","Name            Type                Size  Value    \n","---------------------------------------------------\n"]}]}},"passed":42,"total":50,"percent":84.0}