{"block":{"name":"i2c","variant":null,"commit":"a22166c3c57d87a3cec488a8c6f8de1dba3dada7","commit_short":"a22166c","dirty":false,"branch":"master","url":"https://github.com/lowRISC/opentitan/tree/a22166c3c57d87a3cec488a8c6f8de1dba3dada7","revision_info":"GitHub Revision: [`a22166c`](https://github.com/lowrisc/opentitan/tree/a22166c3c57d87a3cec488a8c6f8de1dba3dada7)"},"tool":{"name":"vcs","version":"unknown"},"timestamp":"2026-07-22T15:30:29Z","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":40.7,"sim_time":3397.611329,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_smoke":{"tests":{"i2c_target_smoke":{"max_time":15.21,"sim_time":905.646178,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_hw_reset":{"tests":{"i2c_csr_hw_reset":{"max_time":0.98,"sim_time":29.675922,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_rw":{"tests":{"i2c_csr_rw":{"max_time":0.93,"sim_time":19.53368,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_bit_bash":{"tests":{"i2c_csr_bit_bash":{"max_time":2.2,"sim_time":344.32916700000004,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_aliasing":{"tests":{"i2c_csr_aliasing":{"max_time":1.2,"sim_time":295.94343699999996,"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":1.04,"sim_time":33.441701,"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":0.93,"sim_time":19.53368,"passed":1,"total":1,"percent":100.0},"i2c_csr_aliasing":{"max_time":1.2,"sim_time":295.94343699999996,"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":1.11,"sim_time":66.765837,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"host_stress_all":{"tests":{"i2c_host_stress_all":{"max_time":184.57,"sim_time":9759.086262,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"host_maxperf":{"tests":{"i2c_host_perf":{"max_time":22.15,"sim_time":2952.791037,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_override":{"tests":{"i2c_host_override":{"max_time":0.92,"sim_time":54.627477,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_fifo_watermark":{"tests":{"i2c_host_fifo_watermark":{"max_time":74.29,"sim_time":5187.570207999999,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_fifo_overflow":{"tests":{"i2c_host_fifo_overflow":{"max_time":22.84,"sim_time":5975.050434999999,"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":1.22,"sim_time":658.641716,"passed":1,"total":1,"percent":100.0},"i2c_host_fifo_fmt_empty":{"max_time":6.26,"sim_time":2519.799559,"passed":1,"total":1,"percent":100.0},"i2c_host_fifo_reset_rx":{"max_time":2.24,"sim_time":529.154679,"passed":1,"total":1,"percent":100.0}},"passed":3,"total":3,"percent":100.0},"host_fifo_full":{"tests":{"i2c_host_fifo_full":{"max_time":56.31,"sim_time":3671.315383,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_timeout":{"tests":{"i2c_host_stretch_timeout":{"max_time":9.43,"sim_time":829.686433,"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":1.51,"sim_time":463.323535,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_glitch":{"tests":{"i2c_target_glitch":{"max_time":2.54,"sim_time":1033.05953,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_stress_all":{"tests":{"i2c_target_stress_all":{"max_time":776.52,"sim_time":62981.697173,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_maxperf":{"tests":{"i2c_target_perf":{"max_time":2.16,"sim_time":883.515655,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_fifo_empty":{"tests":{"i2c_target_stress_rd":{"max_time":15.05,"sim_time":1191.869567,"passed":1,"total":1,"percent":100.0},"i2c_target_intr_smoke":{"max_time":5.05,"sim_time":1459.054108,"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":0.87,"sim_time":297.86575799999997,"passed":1,"total":1,"percent":100.0},"i2c_target_fifo_reset_tx":{"max_time":1.62,"sim_time":335.97098,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"target_fifo_full":{"tests":{"i2c_target_stress_wr":{"max_time":171.37,"sim_time":47289.397873999995,"passed":1,"total":1,"percent":100.0},"i2c_target_stress_rd":{"max_time":15.05,"sim_time":1191.869567,"passed":1,"total":1,"percent":100.0},"i2c_target_intr_stress_wr":{"max_time":107.77,"sim_time":16742.244432,"passed":1,"total":1,"percent":100.0}},"passed":3,"total":3,"percent":100.0},"target_timeout":{"tests":{"i2c_target_timeout":{"max_time":4.98,"sim_time":11073.636005999999,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_clock_stretch":{"tests":{"i2c_target_stretch":{"max_time":34.23,"sim_time":3730.715726,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"bad_address":{"tests":{"i2c_target_bad_addr":{"max_time":3.57,"sim_time":1505.410077,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_mode_glitch":{"tests":{"i2c_target_hrst":{"max_time":6.96,"sim_time":10090.382353,"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":2.58,"sim_time":600.408302,"passed":1,"total":1,"percent":100.0},"i2c_target_fifo_watermarks_tx":{"max_time":1.36,"sim_time":465.077608,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"host_mode_config_perf":{"tests":{"i2c_host_perf":{"max_time":22.15,"sim_time":2952.791037,"passed":1,"total":1,"percent":100.0},"i2c_host_perf_precise":{"max_time":12.22,"sim_time":594.421069,"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":9.43,"sim_time":829.686433,"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":2.75,"sim_time":195.363433,"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":2.0,"sim_time":1651.819027,"passed":1,"total":1,"percent":100.0},"i2c_target_nack_acqfull_addr":{"max_time":1.99,"sim_time":1773.713678,"passed":1,"total":1,"percent":100.0},"i2c_target_nack_txstretch":{"max_time":1.21,"sim_time":209.55142600000002,"passed":0,"total":1,"percent":0.0}},"passed":2,"total":3,"percent":66.66666666666667},"host_mode_halt_on_nak":{"tests":{"i2c_host_may_nack":{"max_time":12.7,"sim_time":677.5486999999999,"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":1.65,"sim_time":493.265738,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"alert_test":{"tests":{"i2c_alert_test":{"max_time":0.96,"sim_time":22.103685000000002,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"intr_test":{"tests":{"i2c_intr_test":{"max_time":0.83,"sim_time":18.040966,"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":2.24,"sim_time":311.09492,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"tl_d_illegal_access":{"tests":{"i2c_tl_errors":{"max_time":2.24,"sim_time":311.09492,"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":0.98,"sim_time":29.675922,"passed":1,"total":1,"percent":100.0},"i2c_csr_rw":{"max_time":0.93,"sim_time":19.53368,"passed":1,"total":1,"percent":100.0},"i2c_csr_aliasing":{"max_time":1.2,"sim_time":295.94343699999996,"passed":1,"total":1,"percent":100.0},"i2c_same_csr_outstanding":{"max_time":1.38,"sim_time":105.09931399999999,"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":0.98,"sim_time":29.675922,"passed":1,"total":1,"percent":100.0},"i2c_csr_rw":{"max_time":0.93,"sim_time":19.53368,"passed":1,"total":1,"percent":100.0},"i2c_csr_aliasing":{"max_time":1.2,"sim_time":295.94343699999996,"passed":1,"total":1,"percent":100.0},"i2c_same_csr_outstanding":{"max_time":1.38,"sim_time":105.09931399999999,"passed":1,"total":1,"percent":100.0}},"passed":4,"total":4,"percent":100.0}},"passed":35,"total":41,"percent":85.36585365853658},"V2S":{"testpoints":{"tl_intg_err":{"tests":{"i2c_tl_intg_err":{"max_time":1.61,"sim_time":537.366986,"passed":1,"total":1,"percent":100.0},"i2c_sec_cm":{"max_time":1.14,"sim_time":237.72431,"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":1.61,"sim_time":537.366986,"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":12.17,"sim_time":942.838566,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_error_intr":{"tests":{"i2c_target_unexp_stop":{"max_time":1.13,"sim_time":21.299545,"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":6.49,"sim_time":534.199981,"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":96.48,"branch":92.26,"condition_expression":84.78,"toggle":88.0,"fsm":43.45},"assertion":97.25,"functional":81.92},"cov_report_page":"/nightly/current_run/scratch/master/i2c-sim-vcs/cov_report/dashboard.html","vplan_report_page":null,"vplan_coverage":null,"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.40220362143060957370495939868313457786652862465514040726053515486337264695551","seed":40220362143060957370495939868313457786652862465514040726053515486337264695551,"line":96,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_error_intr/latest/run.log","log_context":["UVM_INFO @  66765837 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.52406507184426687477203424913874636559911889522462296583527882541676998312700","seed":52406507184426687477203424913874636559911889522462296583527882541676998312700,"line":110,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_stress_all/latest/run.log","log_context":["UVM_INFO @ 9759086262 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.108512325777038193278580253694312109359755962114126549398642972666427936768183","seed":108512325777038193278580253694312109359755962114126549398642972666427936768183,"line":84,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_glitch/latest/run.log","log_context":["UVM_INFO @ 1033059530 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n","\n"]}],"UVM_ERROR (i2c_base_vseq.sv:1474) [i2c_target_ack_stop_vseq] Check failed obs_intr_state[intr] == exp_val (* [*] vs * [*])":[{"name":"i2c_target_unexp_stop","qual_name":"0.i2c_target_unexp_stop.20028681590346983698842751533035689709455124373652026336584875040642192566792","seed":20028681590346983698842751533035689709455124373652026336584875040642192566792,"line":78,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_unexp_stop/latest/run.log","log_context":["UVM_INFO @  21299545 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\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.111584981767819520537434457299201129244270315763642733417970773362957119268936","seed":111584981767819520537434457299201129244270315763642733417970773362957119268936,"line":79,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_hrst/latest/run.log","log_context":["UVM_INFO @ 10090382353 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n","\n"]}],"UVM_ERROR (cip_base_vseq.sv:1286) [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.93285086507283390875947554773856554424246131010695987460141867937926578437211","seed":93285086507283390875947554773856554424246131010695987460141867937926578437211,"line":90,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_stress_all_with_rand_reset/latest/run.log","log_context":["UVM_INFO @ 942838566 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.72858682157050579138693410115276855492864259712805535457451109144348892926900","seed":72858682157050579138693410115276855492864259712805535457451109144348892926900,"line":85,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_stress_all_with_rand_reset/latest/run.log","log_context":["UVM_INFO @ 534199981 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.52517015276132154148811222406509848770612884160816773424948073156296194518281","seed":52517015276132154148811222406509848770612884160816773424948073156296194518281,"line":87,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_mode_toggle/latest/run.log","log_context":["--> EXP:\n","---------------------------------------------------\n","Name            Type                Size  Value    \n","---------------------------------------------------\n"]}],"UVM_ERROR (csr_utils_pkg.sv:456) [csr_utils_pkg::csr_rd_check.isolation_fork.unnamed$$_*] Check failed obs == exp (* [*] vs * [*]) Regname: i2c_reg_block.target_nack_count reset value: *":[{"name":"i2c_target_nack_txstretch","qual_name":"0.i2c_target_nack_txstretch.68385184266898868824033395185272902316455791603166788617757169881488577057807","seed":68385184266898868824033395185272902316455791603166788617757169881488577057807,"line":78,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_nack_txstretch/latest/run.log","log_context":["UVM_INFO @ 209551426 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n","\n"]}]}},"passed":41,"total":50,"percent":82.0}