I2C Simulation Results

Sunday October 19 2025 00:12:47 UTC

GitHub Revision: `8c9ab41`

Branch: master

Simulator: VCS

Test Results

Stage	Name	Tests	Max Job Runtime	Simulated Time	Passing	Total	Pass Rate
V1	host_smoke	i2c_host_smoke	1.274m	4.105ms	50	50	100.00
V1	target_smoke	i2c_target_smoke	48.280s	3.611ms	50	50	100.00
V1	csr_hw_reset	i2c_csr_hw_reset	1.090s	19.415us	5	5	100.00
V1	csr_rw	i2c_csr_rw	1.060s	69.545us	20	20	100.00
V1	csr_bit_bash	i2c_csr_bit_bash	3.360s	442.058us	5	5	100.00
V1	csr_aliasing	i2c_csr_aliasing	1.980s	464.797us	5	5	100.00
V1	csr_mem_rw_with_rand_reset	i2c_csr_mem_rw_with_rand_reset	1.550s	40.206us	20	20	100.00
V1	regwen_csr_and_corresponding_lockable_csr	i2c_csr_rw	1.060s	69.545us	20	20	100.00
		i2c_csr_aliasing	1.980s	464.797us	5	5	100.00
V1		TOTAL			155	155	100.00
V2	host_error_intr	i2c_host_error_intr	14.410s	391.578us	3	50	6.00
V2	host_stress_all	i2c_host_stress_all	37.687m	176.832ms	11	50	22.00
V2	host_maxperf	i2c_host_perf	42.356m	27.554ms	50	50	100.00
V2	host_override	i2c_host_override	1.070s	28.512us	50	50	100.00
V2	host_fifo_watermark	i2c_host_fifo_watermark	4.698m	10.468ms	50	50	100.00
V2	host_fifo_overflow	i2c_host_fifo_overflow	2.108m	9.499ms	50	50	100.00
V2	host_fifo_reset	i2c_host_fifo_reset_fmt	1.660s	402.723us	50	50	100.00
		i2c_host_fifo_fmt_empty	20.780s	1.821ms	50	50	100.00
		i2c_host_fifo_reset_rx	11.080s	800.993us	50	50	100.00
V2	host_fifo_full	i2c_host_fifo_full	3.350m	3.792ms	50	50	100.00
V2	host_timeout	i2c_host_stretch_timeout	41.990s	20.861ms	50	50	100.00
V2	i2c_host_mode_toggle	i2c_host_mode_toggle	7.460s	448.938us	9	50	18.00
V2	target_glitch	i2c_target_glitch	3.760s	455.425us	0	2	0.00
V2	target_stress_all	i2c_target_stress_all	20.339m	60.138ms	50	50	100.00
V2	target_maxperf	i2c_target_perf	8.660s	1.093ms	50	50	100.00
V2	target_fifo_empty	i2c_target_stress_rd	1.044m	1.750ms	50	50	100.00
		i2c_target_intr_smoke	9.860s	2.107ms	50	50	100.00
V2	target_fifo_reset	i2c_target_fifo_reset_acq	2.420s	274.536us	50	50	100.00
		i2c_target_fifo_reset_tx	2.280s	270.545us	50	50	100.00
V2	target_fifo_full	i2c_target_stress_wr	16.347m	59.830ms	50	50	100.00
		i2c_target_stress_rd	1.044m	1.750ms	50	50	100.00
		i2c_target_intr_stress_wr	7.533m	25.813ms	49	50	98.00
V2	target_timeout	i2c_target_timeout	10.250s	3.194ms	50	50	100.00
V2	target_clock_stretch	i2c_target_stretch	3.346m	4.626ms	48	50	96.00
V2	bad_address	i2c_target_bad_addr	8.540s	5.662ms	50	50	100.00
V2	target_mode_glitch	i2c_target_hrst	37.770s	10.150ms	26	50	52.00
V2	target_fifo_watermark	i2c_target_fifo_watermarks_acq	3.930s	2.995ms	50	50	100.00
		i2c_target_fifo_watermarks_tx	2.350s	709.271us	50	50	100.00
V2	host_mode_config_perf	i2c_host_perf	42.356m	27.554ms	50	50	100.00
		i2c_host_perf_precise	5.553m	24.731ms	50	50	100.00
V2	host_mode_clock_stretching	i2c_host_stretch_timeout	41.990s	20.861ms	50	50	100.00
V2	target_mode_tx_stretch_ctrl	i2c_target_tx_stretch_ctrl	10.500s	1.210ms	47	50	94.00
V2	target_mode_nack_generation	i2c_target_nack_acqfull	4.220s	630.558us	50	50	100.00
		i2c_target_nack_acqfull_addr	4.080s	2.227ms	50	50	100.00
		i2c_target_nack_txstretch	2.210s	809.776us	39	50	78.00
V2	host_mode_halt_on_nak	i2c_host_may_nack	27.860s	1.713ms	50	50	100.00
V2	target_mode_smbus_maxlen	i2c_target_smbus_maxlen	3.530s	2.288ms	50	50	100.00
V2	alert_test	i2c_alert_test	1.010s	38.716us	50	50	100.00
V2	intr_test	i2c_intr_test	0.960s	21.147us	50	50	100.00
V2	tl_d_oob_addr_access	i2c_tl_errors	2.290s	166.248us	20	20	100.00
V2	tl_d_illegal_access	i2c_tl_errors	2.290s	166.248us	20	20	100.00
V2	tl_d_outstanding_access	i2c_csr_hw_reset	1.090s	19.415us	5	5	100.00
		i2c_csr_rw	1.060s	69.545us	20	20	100.00
		i2c_csr_aliasing	1.980s	464.797us	5	5	100.00
		i2c_same_csr_outstanding	1.450s	512.388us	20	20	100.00
V2	tl_d_partial_access	i2c_csr_hw_reset	1.090s	19.415us	5	5	100.00
		i2c_csr_rw	1.060s	69.545us	20	20	100.00
		i2c_csr_aliasing	1.980s	464.797us	5	5	100.00
		i2c_same_csr_outstanding	1.450s	512.388us	20	20	100.00
V2		TOTAL			1622	1792	90.51
V2S	tl_intg_err	i2c_tl_intg_err	2.210s	153.212us	20	20	100.00
		i2c_sec_cm	1.470s	129.618us	5	5	100.00
V2S	sec_cm_bus_integrity	i2c_tl_intg_err	2.210s	153.212us	20	20	100.00
V2S		TOTAL			25	25	100.00
V3	host_stress_all_with_rand_reset	i2c_host_stress_all_with_rand_reset	31.520s	1.042ms	0	10	0.00
V3	target_error_intr	i2c_target_unexp_stop	3.480s	2.068ms	0	50	0.00
V3	target_stress_all_with_rand_reset	i2c_target_stress_all_with_rand_reset	37.550s	1.552ms	0	10	0.00
V3		TOTAL			0	70	0.00
		TOTAL			1802	2042	88.25

Coverage Results

Coverage Dashboard

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	GROUP
84.25	97.37	89.44	74.17	48.81	94.11	96.41	89.43

Failure Buckets

UVM_ERROR sequencer [sequencer] Get_next_item called twice without item_done or get in between has 84 failures:

Test i2c_host_error_intr has 47 failures.

0.i2c_host_error_intr.95000201314280236135834498458656804642278522857439542968715898055308178220592
Line 91, in log /nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_error_intr/latest/run.log

  UVM_ERROR @  67892756 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
  UVM_INFO @  67892756 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

1.i2c_host_error_intr.49332726314858176223363799434062333719895379054973628103729559049017193385691
Line 83, in log /nightly/current_run/scratch/master/i2c-sim-vcs/1.i2c_host_error_intr/latest/run.log

  UVM_ERROR @  54803481 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
  UVM_INFO @  54803481 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

... and 45 more failures.

Test i2c_host_stress_all has 26 failures.

0.i2c_host_stress_all.96254833476565825173478978719153382854928306831229364530587537849322749255926
Line 94, in log /nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_stress_all/latest/run.log

  UVM_ERROR @ 6720257246 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
  UVM_INFO @ 6720257246 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

3.i2c_host_stress_all.82465864043688342819412617847239649871175711685709541690836835626658046035310
Line 87, in log /nightly/current_run/scratch/master/i2c-sim-vcs/3.i2c_host_stress_all/latest/run.log

  UVM_ERROR @  65434179 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
  UVM_INFO @  65434179 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

... and 24 more failures.

Test i2c_target_stress_all_with_rand_reset has 4 failures.

0.i2c_target_stress_all_with_rand_reset.53411603682241655236124975939563989417954843135998283618597772257939325471348
Line 89, in log /nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_stress_all_with_rand_reset/latest/run.log

  UVM_ERROR @ 735873807 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
  UVM_INFO @ 735873807 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

1.i2c_target_stress_all_with_rand_reset.39326692346743238737939021697139281055997267420295217850871571627661914539586
Line 99, in log /nightly/current_run/scratch/master/i2c-sim-vcs/1.i2c_target_stress_all_with_rand_reset/latest/run.log

  UVM_ERROR @ 1856455329 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
  UVM_INFO @ 1856455329 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

... and 2 more failures.

Test i2c_host_mode_toggle has 7 failures.

1.i2c_host_mode_toggle.76205892284575466620810953505139618475519770172461250007300171804306586424349
Line 78, in log /nightly/current_run/scratch/master/i2c-sim-vcs/1.i2c_host_mode_toggle/latest/run.log

  UVM_ERROR @   3716196 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
  UVM_INFO @   3716196 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

4.i2c_host_mode_toggle.40363848157478068310682816541997466009599109411537087450778666080798942254317
Line 78, in log /nightly/current_run/scratch/master/i2c-sim-vcs/4.i2c_host_mode_toggle/latest/run.log

  UVM_ERROR @  16006509 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
  UVM_INFO @  16006509 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

... and 5 more failures.

UVM_ERROR (i2c_scoreboard.sv:682) [scoreboard] Check failed obs.data_q[i] == exp.data_q[i] (* [*] vs * [*]) has 29 failures:
- Test i2c_target_unexp_stop has 29 failures.
  - 0.i2c_target_unexp_stop.51173139364635358333703828386833256270025373422726425996215524519731926492775
    Line 75, in log /nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_unexp_stop/latest/run.log
```
  UVM_ERROR @ 536876873 ps: (i2c_scoreboard.sv:682) [uvm_test_top.env.scoreboard] Check failed obs.data_q[i] == exp.data_q[i] (255 [0xff] vs 247 [0xf7])
  UVM_INFO @ 536876873 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - 2.i2c_target_unexp_stop.105733326923622792565543533941760639643217143698903927358350140896084866802217
    Line 75, in log /nightly/current_run/scratch/master/i2c-sim-vcs/2.i2c_target_unexp_stop/latest/run.log
```
  UVM_ERROR @ 207338600 ps: (i2c_scoreboard.sv:682) [uvm_test_top.env.scoreboard] Check failed obs.data_q[i] == exp.data_q[i] (255 [0xff] vs 214 [0xd6])
  UVM_INFO @ 207338600 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - ... and 27 more failures.
UVM_FATAL (i2c_target_hrst_vseq.sv:107) [target_hrst_vseq] wait timeout occurred! has 24 failures:
- Test i2c_target_hrst has 24 failures.
  - 0.i2c_target_hrst.21899523070557543682236629251931801422757664936436171907241752110553778826051
    Line 76, in log /nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_hrst/latest/run.log
```
  UVM_FATAL @ 10072451002 ps: (i2c_target_hrst_vseq.sv:107) [target_hrst_vseq] wait timeout occurred!
  UVM_INFO @ 10072451002 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - 1.i2c_target_hrst.29764931387952656588902687856268379321209985463870285808070836938268871466281
    Line 76, in log /nightly/current_run/scratch/master/i2c-sim-vcs/1.i2c_target_hrst/latest/run.log
```
  UVM_FATAL @ 10278511675 ps: (i2c_target_hrst_vseq.sv:107) [target_hrst_vseq] wait timeout occurred!
  UVM_INFO @ 10278511675 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - ... and 22 more failures.

UVM_ERROR (i2c_scoreboard.sv:716) [scoreboard] controller_mode_rd_obs_fifo item uncompared: has 20 failures:

Test i2c_host_stress_all has 9 failures.

1.i2c_host_stress_all.15813664205163197622159325019578024943981600205693146318925461997289478572511
Line 125, in log /nightly/current_run/scratch/master/i2c-sim-vcs/1.i2c_host_stress_all/latest/run.log

  UVM_ERROR @ 68517568840 ps: (i2c_scoreboard.sv:716) [uvm_test_top.env.scoreboard] controller_mode_rd_obs_fifo item uncompared:
  ----------------------------------------------------
  Name            Type                Size  Value
  ----------------------------------------------------
  mon_dut_item    i2c_item            -     @12141119

2.i2c_host_stress_all.35586866299243249445012197345887391150722740208864051691266522410381762084578
Line 159, in log /nightly/current_run/scratch/master/i2c-sim-vcs/2.i2c_host_stress_all/latest/run.log

  UVM_ERROR @ 58787176081 ps: (i2c_scoreboard.sv:716) [uvm_test_top.env.scoreboard] controller_mode_rd_obs_fifo item uncompared:
  ----------------------------------------------------
  Name            Type                Size  Value
  ----------------------------------------------------
  mon_dut_item    i2c_item            -     @12732809

... and 7 more failures.

Test i2c_host_mode_toggle has 11 failures.

8.i2c_host_mode_toggle.105380954742635109303267140507390474286558530607611149160423331529268562594079
Line 82, in log /nightly/current_run/scratch/master/i2c-sim-vcs/8.i2c_host_mode_toggle/latest/run.log

  UVM_ERROR @  86951705 ps: (i2c_scoreboard.sv:716) [uvm_test_top.env.scoreboard] controller_mode_rd_obs_fifo item uncompared:
  ----------------------------------------------------
  Name            Type                Size  Value
  ----------------------------------------------------
  mon_dut_item    i2c_item            -     @69072

11.i2c_host_mode_toggle.84177896976228594740189376821532448179478152346058612914316603559470755951719
Line 82, in log /nightly/current_run/scratch/master/i2c-sim-vcs/11.i2c_host_mode_toggle/latest/run.log

  UVM_ERROR @ 274051769 ps: (i2c_scoreboard.sv:716) [uvm_test_top.env.scoreboard] controller_mode_rd_obs_fifo item uncompared:
  ----------------------------------------------------
  Name            Type                Size  Value
  ----------------------------------------------------
  mon_dut_item    i2c_item            -     @9872

... and 9 more failures.

UVM_ERROR (cip_base_vseq.sv:1229) [i2c_common_vseq] Check failed (!has_outstanding_access()) Waited * cycles to issue a reset with no outstanding accesses. has 16 failures:

Test i2c_host_stress_all_with_rand_reset has 10 failures.

0.i2c_host_stress_all_with_rand_reset.73856826413816870030286989979993863161023345628915616794878441313205459099434
Line 89, in log /nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_stress_all_with_rand_reset/latest/run.log

  UVM_ERROR @ 988394437 ps: (cip_base_vseq.sv:1229) [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.
  UVM_INFO @ 988394437 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

1.i2c_host_stress_all_with_rand_reset.73392190049921037224965318594575627880854560036921288412378422801924713457042
Line 105, in log /nightly/current_run/scratch/master/i2c-sim-vcs/1.i2c_host_stress_all_with_rand_reset/latest/run.log

  UVM_ERROR @ 123239045 ps: (cip_base_vseq.sv:1229) [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.
  UVM_INFO @ 123239045 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

... and 8 more failures.

Test i2c_target_stress_all_with_rand_reset has 6 failures.

2.i2c_target_stress_all_with_rand_reset.99139730339552364835291746880297723292378271392637464979806347646630690478777
Line 90, in log /nightly/current_run/scratch/master/i2c-sim-vcs/2.i2c_target_stress_all_with_rand_reset/latest/run.log

  UVM_ERROR @ 4024278794 ps: (cip_base_vseq.sv:1229) [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.
  UVM_INFO @ 4024278794 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

4.i2c_target_stress_all_with_rand_reset.90472390952313628528284330553098270827919096553693982254166689581116945308668
Line 111, in log /nightly/current_run/scratch/master/i2c-sim-vcs/4.i2c_target_stress_all_with_rand_reset/latest/run.log

  UVM_ERROR @ 1551896050 ps: (cip_base_vseq.sv:1229) [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.
  UVM_INFO @ 1551896050 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

... and 4 more failures.

UVM_ERROR (i2c_scoreboard.sv:627) scoreboard [scoreboard] Miscompare: DUT-Controller, dir:BusOpRead has 15 failures:

Test i2c_host_mode_toggle has 15 failures.

0.i2c_host_mode_toggle.107532373535636516003902116056768563009982781514900034098464014903723379156484
Line 84, in log /nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_host_mode_toggle/latest/run.log

  UVM_ERROR @ 381081143 ps: (i2c_scoreboard.sv:627) uvm_test_top.env.scoreboard [uvm_test_top.env.scoreboard] Miscompare: DUT-Controller, dir:BusOpRead
  --> EXP:
  ---------------------------------------------------
  Name            Type                Size  Value
  ---------------------------------------------------

2.i2c_host_mode_toggle.29376135599490330855984735765325300241090416890897061056398745938529590619876
Line 84, in log /nightly/current_run/scratch/master/i2c-sim-vcs/2.i2c_host_mode_toggle/latest/run.log

  UVM_ERROR @  82314512 ps: (i2c_scoreboard.sv:627) uvm_test_top.env.scoreboard [uvm_test_top.env.scoreboard] Miscompare: DUT-Controller, dir:BusOpRead
  --> EXP:
  ---------------------------------------------------
  Name            Type                Size  Value
  ---------------------------------------------------

... and 13 more failures.

UVM_ERROR (i2c_base_vseq.sv:1474) [i2c_target_ack_stop_vseq] Check failed obs_intr_state[intr] == exp_val (* [*] vs * [*]) has 14 failures:
- Test i2c_target_unexp_stop has 14 failures.
  - 3.i2c_target_unexp_stop.21942832656200098672400968250054222915220030946756510051509166336320551437297
    Line 75, in log /nightly/current_run/scratch/master/i2c-sim-vcs/3.i2c_target_unexp_stop/latest/run.log
```
  UVM_ERROR @  11062006 ps: (i2c_base_vseq.sv:1474) [uvm_test_top.env.virtual_sequencer.i2c_target_ack_stop_vseq] Check failed obs_intr_state[intr] == exp_val (0 [0x0] vs 1 [0x1])
  UVM_INFO @  11062006 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - 4.i2c_target_unexp_stop.6794648231920036530438395272288633266640978472748128326760383603557457539179
    Line 75, in log /nightly/current_run/scratch/master/i2c-sim-vcs/4.i2c_target_unexp_stop/latest/run.log
```
  UVM_ERROR @ 164892590 ps: (i2c_base_vseq.sv:1474) [uvm_test_top.env.virtual_sequencer.i2c_target_ack_stop_vseq] Check failed obs_intr_state[intr] == exp_val (0 [0x0] vs 1 [0x1])
  UVM_INFO @ 164892590 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - ... and 12 more failures.
UVM_ERROR (csr_utils_pkg.sv:456) [csr_utils_pkg::csr_rd_check.isolation_fork.unnamed$$_*] Check failed obs == exp (* [*] vs * [*]) Regname: i2c_reg_block.target_nack_count reset value: * has 11 failures:
- Test i2c_target_nack_txstretch has 11 failures.
  - 5.i2c_target_nack_txstretch.76070022911340733939330458034611675886673129053933597483349348693762610484528
    Line 75, in log /nightly/current_run/scratch/master/i2c-sim-vcs/5.i2c_target_nack_txstretch/latest/run.log
```
  UVM_ERROR @ 166909615 ps: (csr_utils_pkg.sv:456) [csr_utils_pkg::csr_rd_check.isolation_fork.unnamed$$_0] Check failed obs == exp (1 [0x1] vs 0 [0x0]) Regname: i2c_reg_block.target_nack_count reset value: 0x0
  UVM_INFO @ 166909615 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - 14.i2c_target_nack_txstretch.97027655767416444385369234038767944916518779192230859880164591973004410118778
    Line 75, in log /nightly/current_run/scratch/master/i2c-sim-vcs/14.i2c_target_nack_txstretch/latest/run.log
```
  UVM_ERROR @ 274965138 ps: (csr_utils_pkg.sv:456) [csr_utils_pkg::csr_rd_check.isolation_fork.unnamed$$_0] Check failed obs == exp (1 [0x1] vs 0 [0x0]) Regname: i2c_reg_block.target_nack_count reset value: 0x0
  UVM_INFO @ 274965138 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - ... and 9 more failures.

Offending '($stable(tx_fifo_wvalid_i) && $stable(tx_fifo_wdata_i))' has 7 failures:

Test i2c_target_unexp_stop has 7 failures.

1.i2c_target_unexp_stop.51857418784792970069292337611171434150300767019885062629215262665256591973785
Line 76, in log /nightly/current_run/scratch/master/i2c-sim-vcs/1.i2c_target_unexp_stop/latest/run.log

      Offending '($stable(tx_fifo_wvalid_i) && $stable(tx_fifo_wdata_i))'
  UVM_ERROR @ 245957469 ps: (i2c_fifos.sv:318) [ASSERT FAILED] TxWriteStableBeforeHandshake_A
  UVM_INFO @ 245957469 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

5.i2c_target_unexp_stop.27886931649820542736306770595693802991605557728510906199283229514581098212031
Line 76, in log /nightly/current_run/scratch/master/i2c-sim-vcs/5.i2c_target_unexp_stop/latest/run.log

      Offending '($stable(tx_fifo_wvalid_i) && $stable(tx_fifo_wdata_i))'
  UVM_ERROR @ 547097365 ps: (i2c_fifos.sv:318) [ASSERT FAILED] TxWriteStableBeforeHandshake_A
  UVM_INFO @ 547097365 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

... and 5 more failures.

UVM_FATAL (csr_utils_pkg.sv:614) [csr_utils_pkg::csr_spinwait.isolation_fork] timeout i2c_reg_block.status.hostidle (addr=*, Comparison=CompareOpEq, exp_data=*, call_count=3) has 6 failures:
- Test i2c_host_mode_toggle has 6 failures.
  - 5.i2c_host_mode_toggle.78653662770834377004769521942829759296433463634946477038556950748244239405322
    Line 76, in log /nightly/current_run/scratch/master/i2c-sim-vcs/5.i2c_host_mode_toggle/latest/run.log
```
  UVM_FATAL @  77147513 ps: (csr_utils_pkg.sv:614) [csr_utils_pkg::csr_spinwait.isolation_fork] timeout i2c_reg_block.status.hostidle (addr=0x96d4ac94, Comparison=CompareOpEq, exp_data=0x1, call_count=3)
  UVM_INFO @  77147513 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - 26.i2c_host_mode_toggle.115116133951944395258663999233936220480263355391463899198872830940775681178580
    Line 76, in log /nightly/current_run/scratch/master/i2c-sim-vcs/26.i2c_host_mode_toggle/latest/run.log
```
  UVM_FATAL @ 274980365 ps: (csr_utils_pkg.sv:614) [csr_utils_pkg::csr_spinwait.isolation_fork] timeout i2c_reg_block.status.hostidle (addr=0x51fd3a94, Comparison=CompareOpEq, exp_data=0x1, call_count=3)
  UVM_INFO @ 274980365 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - ... and 4 more failures.
Job timed out after * minutes has 3 failures:
- Test i2c_host_stress_all has 3 failures.
  - 7.i2c_host_stress_all.60781682283881370636830483856023437028344695351238441052439494799616576683435
    Log /nightly/current_run/scratch/master/i2c-sim-vcs/7.i2c_host_stress_all/latest/run.log
```
  Job timed out after 60 minutes
```
  - 12.i2c_host_stress_all.46160744199880806814582333380075952038446195324350130613991574888526984748189
    Log /nightly/current_run/scratch/master/i2c-sim-vcs/12.i2c_host_stress_all/latest/run.log
```
  Job timed out after 60 minutes
```
  - ... and 1 more failures.
Error-[CNST-CIF] Constraints inconsistency failure has 3 failures:
- Test i2c_target_tx_stretch_ctrl has 3 failures.
  - 36.i2c_target_tx_stretch_ctrl.7250221463381614191660208809808857121934858964851326487842558910580632266105
    Line 127, in log /nightly/current_run/scratch/master/i2c-sim-vcs/36.i2c_target_tx_stretch_ctrl/latest/run.log
```
  Error-[CNST-CIF] Constraints inconsistency failure
  src/lowrisc_dv_i2c_env_0.1/seq_lib/i2c_base_vseq.sv, 872
    Constraints are inconsistent and cannot be solved.
    Please check the inconsistent constraints being printed above and rewrite
    them.
```
  - 37.i2c_target_tx_stretch_ctrl.113470727516356146863542982725598739719191780382183965588913133227110437926260
    Line 127, in log /nightly/current_run/scratch/master/i2c-sim-vcs/37.i2c_target_tx_stretch_ctrl/latest/run.log
```
  Error-[CNST-CIF] Constraints inconsistency failure
  src/lowrisc_dv_i2c_env_0.1/seq_lib/i2c_base_vseq.sv, 872
    Constraints are inconsistent and cannot be solved.
    Please check the inconsistent constraints being printed above and rewrite
    them.
```
  - ... and 1 more failures.

UVM_ERROR sequencer [sequencer] get_next_item/try_next_item called twice without item_done or get in between has 2 failures:

Test i2c_target_glitch has 2 failures.

0.i2c_target_glitch.87153088478349106142595477082174254555339085453734322907673271491334033270661
Line 81, in log /nightly/current_run/scratch/master/i2c-sim-vcs/0.i2c_target_glitch/latest/run.log

  UVM_ERROR @ 1019945481 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
  UVM_INFO @ 1019945481 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

1.i2c_target_glitch.52936587133952622197303155485060171812419062074876145068823166266612728624770
Line 81, in log /nightly/current_run/scratch/master/i2c-sim-vcs/1.i2c_target_glitch/latest/run.log

  UVM_ERROR @ 455424847 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
  UVM_INFO @ 455424847 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---

UVM_FATAL (i2c_base_vseq.sv:759) [process_txq] wait timeout occurred! has 2 failures:
- Test i2c_target_stretch has 2 failures.
  - 2.i2c_target_stretch.23191304243692476646873537755739254512855378873104660437100916649164445861007
    Line 75, in log /nightly/current_run/scratch/master/i2c-sim-vcs/2.i2c_target_stretch/latest/run.log
```
  UVM_FATAL @ 10012886870 ps: (i2c_base_vseq.sv:759) [process_txq] wait timeout occurred!
  UVM_INFO @ 10012886870 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
  - 4.i2c_target_stretch.8923750895868267928431851240239701563868665362642917223009945322233439782095
    Line 75, in log /nightly/current_run/scratch/master/i2c-sim-vcs/4.i2c_target_stretch/latest/run.log
```
  UVM_FATAL @ 10046991930 ps: (i2c_base_vseq.sv:759) [process_txq] wait timeout occurred!
  UVM_INFO @ 10046991930 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```

Error-[NOA] Null object access has 2 failures:

Test i2c_host_mode_toggle has 2 failures.

3.i2c_host_mode_toggle.41170913885365352021826759973761579264486793657947161727141985585179847030714
Line 83, in log /nightly/current_run/scratch/master/i2c-sim-vcs/3.i2c_host_mode_toggle/latest/run.log

  Error-[NOA] Null object access
  src/lowrisc_dv_i2c_env_0.1/i2c_reference_model.sv, 584
    The object at dereference depth 0 is being used before it was
    constructed/allocated.
    Please make sure that the object is allocated before using it.

35.i2c_host_mode_toggle.101855086519219321114977941319489653819131200775784214305805042465937296639223
Line 83, in log /nightly/current_run/scratch/master/i2c-sim-vcs/35.i2c_host_mode_toggle/latest/run.log

  Error-[NOA] Null object access
  src/lowrisc_dv_i2c_env_0.1/i2c_reference_model.sv, 584
    The object at dereference depth 0 is being used before it was
    constructed/allocated.
    Please make sure that the object is allocated before using it.

UVM_FATAL (i2c_base_vseq.sv:1343) [Failed check for ALL_ACQFIFO_READS_OCCURRED] wait timeout occurred! has 1 failures:
- Test i2c_target_intr_stress_wr has 1 failures.
  - 19.i2c_target_intr_stress_wr.47227739062886634677826118082762639505266319140796566124277366704788319795156
    Line 75, in log /nightly/current_run/scratch/master/i2c-sim-vcs/19.i2c_target_intr_stress_wr/latest/run.log
```
  UVM_FATAL @ 31456044092 ps: (i2c_base_vseq.sv:1343) [Failed check for ALL_ACQFIFO_READS_OCCURRED] wait timeout occurred!
  UVM_INFO @ 31456044092 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
  --- UVM Report catcher Summary ---
```
UVM_ERROR (i2c_scoreboard.sv:717) [scoreboard] controller_mode_wr_obs_fifo item uncompared: has 1 failures:
- Test i2c_host_stress_all has 1 failures.
  - 44.i2c_host_stress_all.104413060039794829553123292464654734553191714651238276889644839816704227611097
    Line 151, in log /nightly/current_run/scratch/master/i2c-sim-vcs/44.i2c_host_stress_all/latest/run.log
```
  UVM_ERROR @ 36394221121 ps: (i2c_scoreboard.sv:717) [uvm_test_top.env.scoreboard] controller_mode_wr_obs_fifo item uncompared:
  ----------------------------------------------------
  Name            Type                Size  Value
  ----------------------------------------------------
  mon_dut_item    i2c_item            -     @1794797
```