{"block":{"name":"i2c","variant":null,"commit":"14c137f56c2017eb7a07fb1fb5fda010a5cb8376","commit_short":"14c137f","dirty":false,"branch":"master","url":"https://github.com/lowRISC/opentitan/tree/14c137f56c2017eb7a07fb1fb5fda010a5cb8376","revision_info":"GitHub Revision: [`14c137f`](https://github.com/lowrisc/opentitan/tree/14c137f56c2017eb7a07fb1fb5fda010a5cb8376)"},"tool":{"name":"vcs","version":"unknown"},"timestamp":"2026-08-11T15:30:30Z","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":35.88,"sim_time":23483.39488,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_smoke":{"tests":{"i2c_target_smoke":{"max_time":5.6,"sim_time":4568.95593,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_hw_reset":{"tests":{"i2c_csr_hw_reset":{"max_time":0.96,"sim_time":53.51517,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_rw":{"tests":{"i2c_csr_rw":{"max_time":0.67,"sim_time":18.862265999999998,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_bit_bash":{"tests":{"i2c_csr_bit_bash":{"max_time":4.12,"sim_time":719.6936979999999,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_aliasing":{"tests":{"i2c_csr_aliasing":{"max_time":1.64,"sim_time":115.354275,"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":0.75,"sim_time":75.43100100000001,"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":0.67,"sim_time":18.862265999999998,"passed":1,"total":1,"percent":100.0},"i2c_csr_aliasing":{"max_time":1.64,"sim_time":115.354275,"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":2.84,"sim_time":224.939084,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"host_stress_all":{"tests":{"i2c_host_stress_all":{"max_time":273.14,"sim_time":49873.973531,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_maxperf":{"tests":{"i2c_host_perf":{"max_time":67.76,"sim_time":18557.286549,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_override":{"tests":{"i2c_host_override":{"max_time":0.74,"sim_time":27.935259,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_fifo_watermark":{"tests":{"i2c_host_fifo_watermark":{"max_time":80.42,"sim_time":38187.132678,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_fifo_overflow":{"tests":{"i2c_host_fifo_overflow":{"max_time":39.94,"sim_time":2126.206972,"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":0.94,"sim_time":101.75250199999999,"passed":1,"total":1,"percent":100.0},"i2c_host_fifo_fmt_empty":{"max_time":3.44,"sim_time":273.643448,"passed":1,"total":1,"percent":100.0},"i2c_host_fifo_reset_rx":{"max_time":4.33,"sim_time":577.491435,"passed":1,"total":1,"percent":100.0}},"passed":3,"total":3,"percent":100.0},"host_fifo_full":{"tests":{"i2c_host_fifo_full":{"max_time":68.46,"sim_time":5805.831458,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_timeout":{"tests":{"i2c_host_stretch_timeout":{"max_time":28.04,"sim_time":925.5295699999999,"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":0.63,"sim_time":41.000220999999996,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_glitch":{"tests":{"i2c_target_glitch":{"max_time":1.92,"sim_time":2214.131268,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_stress_all":{"tests":{"i2c_target_stress_all":{"max_time":75.58,"sim_time":26185.235209,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_maxperf":{"tests":{"i2c_target_perf":{"max_time":2.26,"sim_time":5447.094627,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_fifo_empty":{"tests":{"i2c_target_stress_rd":{"max_time":12.95,"sim_time":1132.617364,"passed":1,"total":1,"percent":100.0},"i2c_target_intr_smoke":{"max_time":4.59,"sim_time":5050.345296,"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":1.01,"sim_time":193.412531,"passed":1,"total":1,"percent":100.0},"i2c_target_fifo_reset_tx":{"max_time":1.18,"sim_time":234.18677100000002,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"target_fifo_full":{"tests":{"i2c_target_stress_wr":{"max_time":12.63,"sim_time":37745.401994,"passed":1,"total":1,"percent":100.0},"i2c_target_stress_rd":{"max_time":12.95,"sim_time":1132.617364,"passed":1,"total":1,"percent":100.0},"i2c_target_intr_stress_wr":{"max_time":53.85,"sim_time":16574.793246999998,"passed":1,"total":1,"percent":100.0}},"passed":3,"total":3,"percent":100.0},"target_timeout":{"tests":{"i2c_target_timeout":{"max_time":5.11,"sim_time":2812.768066,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_clock_stretch":{"tests":{"i2c_target_stretch":{"max_time":6.46,"sim_time":1592.5796329999998,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"bad_address":{"tests":{"i2c_target_bad_addr":{"max_time":4.7,"sim_time":6443.9224,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_mode_glitch":{"tests":{"i2c_target_hrst":{"max_time":2.13,"sim_time":420.901406,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_fifo_watermark":{"tests":{"i2c_target_fifo_watermarks_acq":{"max_time":1.51,"sim_time":1971.081336,"passed":1,"total":1,"percent":100.0},"i2c_target_fifo_watermarks_tx":{"max_time":1.21,"sim_time":122.539924,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"host_mode_config_perf":{"tests":{"i2c_host_perf":{"max_time":67.76,"sim_time":18557.286549,"passed":1,"total":1,"percent":100.0},"i2c_host_perf_precise":{"max_time":2.25,"sim_time":352.170017,"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":28.04,"sim_time":925.5295699999999,"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":11.54,"sim_time":1186.9953659999999,"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":2.41,"sim_time":1933.0870419999999,"passed":1,"total":1,"percent":100.0},"i2c_target_nack_acqfull_addr":{"max_time":1.93,"sim_time":2192.257373,"passed":1,"total":1,"percent":100.0},"i2c_target_nack_txstretch":{"max_time":1.21,"sim_time":232.506811,"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":10.25,"sim_time":465.981137,"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":1.58,"sim_time":1948.017969,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"alert_test":{"tests":{"i2c_alert_test":{"max_time":0.88,"sim_time":16.296655,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"intr_test":{"tests":{"i2c_intr_test":{"max_time":0.79,"sim_time":17.705796,"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":1.58,"sim_time":160.709004,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"tl_d_illegal_access":{"tests":{"i2c_tl_errors":{"max_time":1.58,"sim_time":160.709004,"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":0.96,"sim_time":53.51517,"passed":1,"total":1,"percent":100.0},"i2c_csr_rw":{"max_time":0.67,"sim_time":18.862265999999998,"passed":1,"total":1,"percent":100.0},"i2c_csr_aliasing":{"max_time":1.64,"sim_time":115.354275,"passed":1,"total":1,"percent":100.0},"i2c_same_csr_outstanding":{"max_time":1.35,"sim_time":403.273974,"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":0.96,"sim_time":53.51517,"passed":1,"total":1,"percent":100.0},"i2c_csr_rw":{"max_time":0.67,"sim_time":18.862265999999998,"passed":1,"total":1,"percent":100.0},"i2c_csr_aliasing":{"max_time":1.64,"sim_time":115.354275,"passed":1,"total":1,"percent":100.0},"i2c_same_csr_outstanding":{"max_time":1.35,"sim_time":403.273974,"passed":1,"total":1,"percent":100.0}},"passed":4,"total":4,"percent":100.0}},"passed":37,"total":41,"percent":90.2439024390244},"V2S":{"testpoints":{"tl_intg_err":{"tests":{"i2c_tl_intg_err":{"max_time":2.54,"sim_time":131.25474499999999,"passed":1,"total":1,"percent":100.0},"i2c_sec_cm":{"max_time":0.89,"sim_time":69.065589,"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":2.54,"sim_time":131.25474499999999,"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":10.71,"sim_time":1690.795121,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_error_intr":{"tests":{"i2c_target_unexp_stop":{"max_time":0.99,"sim_time":529.782651,"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":3.82,"sim_time":169.960971,"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":96.91,"branch":93.04,"condition_expression":86.85,"toggle":74.04,"fsm":44.05},"assertion":97.25,"functional":84.78},"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.84310350948365648230724193070286945719461055441433615821394242714231908981234","seed":84310350948365648230724193070286945719461055441433615821394242714231908981234,"line":88,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_error_intr/latest/run.log","log_context":["UVM_INFO @ 224939084 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.35235566873784694396489549024199471834161730058327787546061283165530867468412","seed":35235566873784694396489549024199471834161730058327787546061283165530867468412,"line":84,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_glitch/latest/run.log","log_context":["UVM_INFO @ 2214131268 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n","\n"]}],"UVM_ERROR (i2c_scoreboard.sv:682) [scoreboard] Check failed obs.data_q[i] == exp.data_q[i] (* [*] vs * [*])":[{"name":"i2c_target_unexp_stop","qual_name":"0.i2c_target_unexp_stop.35025057658167399440746657908710373134979841408378601462618965582111323119532","seed":35025057658167399440746657908710373134979841408378601462618965582111323119532,"line":78,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_unexp_stop/latest/run.log","log_context":["UVM_INFO @ 529782651 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.72347219469320417512349475266405277090644621904838330592678382389712195884731","seed":72347219469320417512349475266405277090644621904838330592678382389712195884731,"line":97,"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 @ 1690795121 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.52754185477200772280900568583090791516195475169194206053714777690796018899024","seed":52754185477200772280900568583090791516195475169194206053714777690796018899024,"line":83,"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 @ 169960971 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n","\n"]}],"UVM_FATAL (csr_utils_pkg.sv:619) [csr_utils_pkg::csr_spinwait.isolation_fork] timeout i2c_reg_block.status.hostidle (addr=*, Comparison=CompareOpEq, exp_data=*, call_count=3)":[{"name":"i2c_host_mode_toggle","qual_name":"0.i2c_host_mode_toggle.40440741032967533779934410148783491869469937859968033054792744161103195676477","seed":40440741032967533779934410148783491869469937859968033054792744161103195676477,"line":79,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_mode_toggle/latest/run.log","log_context":["UVM_INFO @  41000221 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n","\n"]}],"UVM_ERROR (csr_utils_pkg.sv:461) [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.81094829551163104731196994882056295197276501759711573785594572477193142897941","seed":81094829551163104731196994882056295197276501759711573785594572477193142897941,"line":78,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_nack_txstretch/latest/run.log","log_context":["UVM_INFO @ 232506811 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n","\n"]}]}},"passed":43,"total":50,"percent":86.0}