{"block":{"name":"i2c","variant":null,"commit":"cf700e427ee16a979cc7dc5201f35436b761365e","commit_short":"cf700e4","branch":"master","url":"https://github.com/lowRISC/opentitan/tree/cf700e427ee16a979cc7dc5201f35436b761365e","revision_info":"GitHub Revision: [`cf700e4`](https://github.com/lowrisc/opentitan/tree/cf700e427ee16a979cc7dc5201f35436b761365e)"},"tool":{"name":"vcs","version":"unknown"},"timestamp":"2026-04-15T16:33:45Z","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":62.13,"sim_time":2387.0058480000002,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_smoke":{"tests":{"i2c_target_smoke":{"max_time":15.04,"sim_time":14697.940515,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_hw_reset":{"tests":{"i2c_csr_hw_reset":{"max_time":0.79,"sim_time":56.066428,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_rw":{"tests":{"i2c_csr_rw":{"max_time":0.83,"sim_time":99.733741,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_bit_bash":{"tests":{"i2c_csr_bit_bash":{"max_time":3.36,"sim_time":225.443923,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"csr_aliasing":{"tests":{"i2c_csr_aliasing":{"max_time":1.12,"sim_time":27.763131,"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":1.39,"sim_time":38.361568,"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":0.83,"sim_time":99.733741,"passed":1,"total":1,"percent":100.0},"i2c_csr_aliasing":{"max_time":1.12,"sim_time":27.763131,"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":1.18,"sim_time":346.885582,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"host_stress_all":{"tests":{"i2c_host_stress_all":{"max_time":268.55,"sim_time":97983.00424600001,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_maxperf":{"tests":{"i2c_host_perf":{"max_time":622.63,"sim_time":72797.383191,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_override":{"tests":{"i2c_host_override":{"max_time":0.78,"sim_time":156.208154,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_fifo_watermark":{"tests":{"i2c_host_fifo_watermark":{"max_time":88.03,"sim_time":25661.758037,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_fifo_overflow":{"tests":{"i2c_host_fifo_overflow":{"max_time":116.73,"sim_time":2601.682995,"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":1.03,"sim_time":119.31859,"passed":1,"total":1,"percent":100.0},"i2c_host_fifo_fmt_empty":{"max_time":5.5,"sim_time":471.887387,"passed":1,"total":1,"percent":100.0},"i2c_host_fifo_reset_rx":{"max_time":3.58,"sim_time":584.4005450000001,"passed":1,"total":1,"percent":100.0}},"passed":3,"total":3,"percent":100.0},"host_fifo_full":{"tests":{"i2c_host_fifo_full":{"max_time":131.71,"sim_time":29779.064176,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"host_timeout":{"tests":{"i2c_host_stretch_timeout":{"max_time":27.13,"sim_time":3377.622241,"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":1.43,"sim_time":110.454903,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_glitch":{"tests":{"i2c_target_glitch":{"max_time":2.12,"sim_time":1954.5563570000002,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_stress_all":{"tests":{"i2c_target_stress_all":{"max_time":506.15,"sim_time":41952.055967,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_maxperf":{"tests":{"i2c_target_perf":{"max_time":3.81,"sim_time":7088.3319790000005,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_fifo_empty":{"tests":{"i2c_target_stress_rd":{"max_time":11.64,"sim_time":1404.9999140000002,"passed":1,"total":1,"percent":100.0},"i2c_target_intr_smoke":{"max_time":2.73,"sim_time":2831.328168,"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":1.24,"sim_time":716.587152,"passed":1,"total":1,"percent":100.0},"i2c_target_fifo_reset_tx":{"max_time":1.22,"sim_time":235.143223,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"target_fifo_full":{"tests":{"i2c_target_stress_wr":{"max_time":357.64,"sim_time":48756.776531999996,"passed":1,"total":1,"percent":100.0},"i2c_target_stress_rd":{"max_time":11.64,"sim_time":1404.9999140000002,"passed":1,"total":1,"percent":100.0},"i2c_target_intr_stress_wr":{"max_time":13.57,"sim_time":2715.088432,"passed":1,"total":1,"percent":100.0}},"passed":3,"total":3,"percent":100.0},"target_timeout":{"tests":{"i2c_target_timeout":{"max_time":5.77,"sim_time":3124.953876,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_clock_stretch":{"tests":{"i2c_target_stretch":{"max_time":12.8,"sim_time":2375.155017,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"bad_address":{"tests":{"i2c_target_bad_addr":{"max_time":5.21,"sim_time":1263.749199,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"target_mode_glitch":{"tests":{"i2c_target_hrst":{"max_time":22.67,"sim_time":10143.01944,"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":2.36,"sim_time":338.242091,"passed":1,"total":1,"percent":100.0},"i2c_target_fifo_watermarks_tx":{"max_time":1.36,"sim_time":107.84056299999999,"passed":1,"total":1,"percent":100.0}},"passed":2,"total":2,"percent":100.0},"host_mode_config_perf":{"tests":{"i2c_host_perf":{"max_time":622.63,"sim_time":72797.383191,"passed":1,"total":1,"percent":100.0},"i2c_host_perf_precise":{"max_time":56.64,"sim_time":23279.00746,"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":27.13,"sim_time":3377.622241,"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":2.89,"sim_time":144.96866699999998,"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":2.1,"sim_time":889.449743,"passed":1,"total":1,"percent":100.0},"i2c_target_nack_acqfull_addr":{"max_time":2.44,"sim_time":448.586523,"passed":1,"total":1,"percent":100.0},"i2c_target_nack_txstretch":{"max_time":1.38,"sim_time":122.63481900000001,"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":3.83,"sim_time":1304.806065,"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":3.16,"sim_time":3468.330359,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"alert_test":{"tests":{"i2c_alert_test":{"max_time":0.7,"sim_time":16.263444,"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":39.286186,"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":1.92,"sim_time":109.22192999999999,"passed":1,"total":1,"percent":100.0}},"passed":1,"total":1,"percent":100.0},"tl_d_illegal_access":{"tests":{"i2c_tl_errors":{"max_time":1.92,"sim_time":109.22192999999999,"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":0.79,"sim_time":56.066428,"passed":1,"total":1,"percent":100.0},"i2c_csr_rw":{"max_time":0.83,"sim_time":99.733741,"passed":1,"total":1,"percent":100.0},"i2c_csr_aliasing":{"max_time":1.12,"sim_time":27.763131,"passed":1,"total":1,"percent":100.0},"i2c_same_csr_outstanding":{"max_time":1.02,"sim_time":21.250643,"passed":0,"total":1,"percent":0.0}},"passed":3,"total":4,"percent":75.0},"tl_d_partial_access":{"tests":{"i2c_csr_hw_reset":{"max_time":0.79,"sim_time":56.066428,"passed":1,"total":1,"percent":100.0},"i2c_csr_rw":{"max_time":0.83,"sim_time":99.733741,"passed":1,"total":1,"percent":100.0},"i2c_csr_aliasing":{"max_time":1.12,"sim_time":27.763131,"passed":1,"total":1,"percent":100.0},"i2c_same_csr_outstanding":{"max_time":1.02,"sim_time":21.250643,"passed":0,"total":1,"percent":0.0}},"passed":3,"total":4,"percent":75.0}},"passed":36,"total":41,"percent":87.8048780487805},"V2S":{"testpoints":{"tl_intg_err":{"tests":{"i2c_tl_intg_err":{"max_time":2.08,"sim_time":88.193414,"passed":1,"total":1,"percent":100.0},"i2c_sec_cm":{"max_time":1.43,"sim_time":432.934637,"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":2.08,"sim_time":88.193414,"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":3.79,"sim_time":304.094964,"passed":0,"total":1,"percent":0.0}},"passed":0,"total":1,"percent":0.0},"target_error_intr":{"tests":{"i2c_target_unexp_stop":{"max_time":1.45,"sim_time":180.695589,"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":28.03,"sim_time":2064.281527,"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":96.41,"branch":92.33,"condition_expression":85.23,"toggle":89.45,"fsm":44.05},"assertion":95.56,"functional":78.75},"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.63540144259359684324088872667211838810418320584967673119868554555177283074893","seed":63540144259359684324088872667211838810418320584967673119868554555177283074893,"line":110,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_error_intr/latest/run.log","log_context":["UVM_INFO @ 346885582 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.111859633220707133991265835743095917847639292300119298084166184834871331028688","seed":111859633220707133991265835743095917847639292300119298084166184834871331028688,"line":84,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_glitch/latest/run.log","log_context":["UVM_INFO @ 1954556357 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.67160800693445074014830008726688223716477993275284357809322869576962313611953","seed":67160800693445074014830008726688223716477993275284357809322869576962313611953,"line":78,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_unexp_stop/latest/run.log","log_context":["UVM_INFO @ 180695589 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.79979207017663189741095653396771307090929084162440088435228999470543900559632","seed":79979207017663189741095653396771307090929084162440088435228999470543900559632,"line":79,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_hrst/latest/run.log","log_context":["UVM_INFO @ 10143019440 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.10870132284610428864843413142543974324622780156208148091294121270061634469837","seed":10870132284610428864843413142543974324622780156208148091294121270061634469837,"line":84,"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 @ 304094964 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.55078145810971208567110716496371143818869742656152784748785235744208565059492","seed":55078145810971208567110716496371143818869742656152784748785235744208565059492,"line":100,"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 @ 2064281527 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.93626466952131503581808730594596858398127697149910854633690336631107920199645","seed":93626466952131503581808730594596858398127697149910854633690336631107920199645,"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 (cip_base_vseq.sv:847) [i2c_common_vseq] Check failed data & ~ro_mask == * (* [*] vs * [*])":[{"name":"i2c_same_csr_outstanding","qual_name":"0.i2c_same_csr_outstanding.33336106197029732614083532299454209373596842209280262945999306493969791972492","seed":33336106197029732614083532299454209373596842209280262945999306493969791972492,"line":77,"log_path":"/nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_same_csr_outstanding/latest/run.log","log_context":["UVM_INFO @  21250643 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] \n","--- UVM Report catcher Summary ---\n","\n","\n"]}]}},"passed":42,"total":50,"percent":84.0}