{"block":{"name":"i2c","variant":null,"commit":"f1870b516fda0df77680dc54ba98594faca30d64","commit_short":"f1870b5","dirty":false,"branch":"master","url":"https://github.com/lowRISC/opentitan/tree/f1870b516fda0df77680dc54ba98594faca30d64","revision_info":"GitHub Revision: [`f1870b5`](https://github.com/lowrisc/opentitan/tree/f1870b516fda0df77680dc54ba98594faca30d64)"},"tool":{"name":"vcs","version":"unknown"},"timestamp":"2026-07-27T15:30:29Z","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":44.19,"sim_time":14005.567234999999,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_smoke":{"tests":{"i2c_target_smoke":{"max_time":10.0,"sim_time":4545.879194,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_hw_reset":{"tests":{"i2c_csr_hw_reset":{"max_time":0.75,"sim_time":19.555854,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_rw":{"tests":{"i2c_csr_rw":{"max_time":0.69,"sim_time":23.286405,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_bit_bash":{"tests":{"i2c_csr_bit_bash":{"max_time":3.38,"sim_time":162.86946700000001,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_aliasing":{"tests":{"i2c_csr_aliasing":{"max_time":1.47,"sim_time":41.32185,"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":0.84,"sim_time":23.960076,"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":0.69,"sim_time":23.286405,"passed":1,"total":1,"percent":100.0},"i2c_csr_aliasing":{"max_time":1.47,"sim_time":41.32185,"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":1.36,"sim_time":808.218527,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_stress_all":{"tests":{"i2c_host_stress_all":{"max_time":199.85,"sim_time":22022.814011,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"host_maxperf":{"tests":{"i2c_host_perf":{"max_time":190.23,"sim_time":23862.970605000002,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_override":{"tests":{"i2c_host_override":{"max_time":0.69,"sim_time":20.651975,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_fifo_watermark":{"tests":{"i2c_host_fifo_watermark":{"max_time":163.29,"sim_time":18492.377909000003,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_fifo_overflow":{"tests":{"i2c_host_fifo_overflow":{"max_time":34.11,"sim_time":6593.050251000001,"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":0.85,"sim_time":176.18117,"passed":1,"total":1,"percent":100.0},"i2c_host_fifo_fmt_empty":{"max_time":3.29,"sim_time":1146.6507139999999,"passed":1,"total":1,"percent":100.0},"i2c_host_fifo_reset_rx":{"max_time":3.15,"sim_time":1031.323503,"passed":1,"total":1,"percent":100.0}},"passed":3,"total":3,"percent":100.0},"host_fifo_full":{"tests":{"i2c_host_fifo_full":{"max_time":68.8,"sim_time":4651.777848000001,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_timeout":{"tests":{"i2c_host_stretch_timeout":{"max_time":19.06,"sim_time":633.0548789999999,"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":1.19,"sim_time":42.040742,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_glitch":{"tests":{"i2c_target_glitch":{"max_time":2.02,"sim_time":486.28000799999995,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_stress_all":{"tests":{"i2c_target_stress_all":{"max_time":54.87,"sim_time":20189.91072,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_maxperf":{"tests":{"i2c_target_perf":{"max_time":4.95,"sim_time":4186.887694,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_fifo_empty":{"tests":{"i2c_target_stress_rd":{"max_time":17.49,"sim_time":5389.687522,"passed":1,"total":1,"percent":100.0},"i2c_target_intr_smoke":{"max_time":4.58,"sim_time":1469.704735,"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":1.34,"sim_time":152.758187,"passed":1,"total":1,"percent":100.0},"i2c_target_fifo_reset_tx":{"max_time":1.09,"sim_time":287.903485,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"target_fifo_full":{"tests":{"i2c_target_stress_wr":{"max_time":331.52,"sim_time":59551.525864,"passed":1,"total":1,"percent":100.0},"i2c_target_stress_rd":{"max_time":17.49,"sim_time":5389.687522,"passed":1,"total":1,"percent":100.0},"i2c_target_intr_stress_wr":{"max_time":24.73,"sim_time":13952.154358,"passed":1,"total":1,"percent":100.0}},"passed":3,"total":3,"percent":100.0},"target_timeout":{"tests":{"i2c_target_timeout":{"max_time":5.7,"sim_time":2240.9685040000004,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_clock_stretch":{"tests":{"i2c_target_stretch":{"max_time":15.41,"sim_time":6499.505297000001,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"bad_address":{"tests":{"i2c_target_bad_addr":{"max_time":2.87,"sim_time":889.9870060000001,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_mode_glitch":{"tests":{"i2c_target_hrst":{"max_time":17.91,"sim_time":10013.613128,"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":1.93,"sim_time":2994.854574,"passed":1,"total":1,"percent":100.0},"i2c_target_fifo_watermarks_tx":{"max_time":1.4,"sim_time":158.861289,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"host_mode_config_perf":{"tests":{"i2c_host_perf":{"max_time":190.23,"sim_time":23862.970605000002,"passed":1,"total":1,"percent":100.0},"i2c_host_perf_precise":{"max_time":5.44,"sim_time":908.41717,"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":19.06,"sim_time":633.0548789999999,"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":2.51,"sim_time":163.83982699999999,"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":2.81,"sim_time":547.271042,"passed":1,"total":1,"percent":100.0},"i2c_target_nack_acqfull_addr":{"max_time":1.71,"sim_time":1212.5432919999998,"passed":1,"total":1,"percent":100.0},"i2c_target_nack_txstretch":{"max_time":1.3,"sim_time":1329.699468,"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":10.17,"sim_time":512.219552,"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":1.92,"sim_time":3071.833251,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"alert_test":{"tests":{"i2c_alert_test":{"max_time":0.8,"sim_time":19.602361000000002,"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":50.589057999999994,"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":1.94,"sim_time":145.064283,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"tl_d_illegal_access":{"tests":{"i2c_tl_errors":{"max_time":1.94,"sim_time":145.064283,"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":0.75,"sim_time":19.555854,"passed":1,"total":1,"percent":100.0},"i2c_csr_rw":{"max_time":0.69,"sim_time":23.286405,"passed":1,"total":1,"percent":100.0},"i2c_csr_aliasing":{"max_time":1.47,"sim_time":41.32185,"passed":1,"total":1,"percent":100.0},"i2c_same_csr_outstanding":{"max_time":1.02,"sim_time":39.441246,"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":0.75,"sim_time":19.555854,"passed":1,"total":1,"percent":100.0},"i2c_csr_rw":{"max_time":0.69,"sim_time":23.286405,"passed":1,"total":1,"percent":100.0},"i2c_csr_aliasing":{"max_time":1.47,"sim_time":41.32185,"passed":1,"total":1,"percent":100.0},"i2c_same_csr_outstanding":{"max_time":1.02,"sim_time":39.441246,"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":1.25,"sim_time":80.043553,"passed":1,"total":1,"percent":100.0},"i2c_sec_cm":{"max_time":1.01,"sim_time":127.008645,"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":1.25,"sim_time":80.043553,"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":33.14,"sim_time":1987.829984,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_error_intr":{"tests":{"i2c_target_unexp_stop":{"max_time":1.28,"sim_time":61.641553,"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":3.2,"sim_time":1069.685963,"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":96.51,"branch":92.55,"condition_expression":85.87,"toggle":89.47,"fsm":44.64},"assertion":97.04,"functional":79.49},"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_stress_all","qual_name":"0.i2c_host_stress_all.109508511165971815015688024774994794984273338154286366046163055044187997503145","seed":109508511165971815015688024774994794984273338154286366046163055044187997503145,"line":123,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_stress_all/latest/run.log","log_context":["UVM_INFO @ 22022814011 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.11378394835588519530267990996949059200460406251702329283208993553778772384079","seed":11378394835588519530267990996949059200460406251702329283208993553778772384079,"line":84,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_glitch/latest/run.log","log_context":["UVM_INFO @ 486280008 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.110184027087219457855955516570665224354973585421233778639045997950746952966525","seed":110184027087219457855955516570665224354973585421233778639045997950746952966525,"line":78,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_unexp_stop/latest/run.log","log_context":["UVM_INFO @  61641553 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.20368627552298873928923682791747318788578179469851319981206449586562132113415","seed":20368627552298873928923682791747318788578179469851319981206449586562132113415,"line":79,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_hrst/latest/run.log","log_context":["UVM_INFO @ 10013613128 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.29209166530005365043202484598865835573891493767929822205244374428641392491901","seed":29209166530005365043202484598865835573891493767929822205244374428641392491901,"line":96,"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 @ 1987829984 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.66233594127034468482380515990637197318966809764556805574794652493077922505165","seed":66233594127034468482380515990637197318966809764556805574794652493077922505165,"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 @ 1069685963 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.31127310610883262252611343918444937050562207283553820436886334936293007001135","seed":31127310610883262252611343918444937050562207283553820436886334936293007001135,"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.27833957417523835456251804494821670566431076294001861737692714558455462945217","seed":27833957417523835456251804494821670566431076294001861737692714558455462945217,"line":78,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_nack_txstretch/latest/run.log","log_context":["UVM_INFO @ 1329699468 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n","\n"]}]}},"passed":42,"total":50,"percent":84.0}