I2C Simulation Results

Monday March 31 2025 17:01:40 UTC

GitHub Revision: 1eaf8e5dc0

Branch: master

Testplan

Simulator: VCS

Test Results

Stage	Name	Tests	Max Job Runtime	Simulated Time	Passing	Total	Pass Rate
V1	host_smoke	i2c_host_smoke	26.460s	9.880ms	1	1	100.00
V1	target_smoke	i2c_target_smoke	7.520s	3.356ms	1	1	100.00
V1	csr_hw_reset	i2c_csr_hw_reset	1.560s	75.119us	1	1	100.00
V1	csr_rw	i2c_csr_rw	1.560s	74.119us	1	1	100.00
V1	csr_bit_bash	i2c_csr_bit_bash	4.210s	1.850ms	1	1	100.00
V1	csr_aliasing	i2c_csr_aliasing	2.190s	407.830us	1	1	100.00
V1	csr_mem_rw_with_rand_reset	i2c_csr_mem_rw_with_rand_reset	1.590s	124.953us	1	1	100.00
V1	regwen_csr_and_corresponding_lockable_csr	i2c_csr_rw	1.560s	74.119us	1	1	100.00
		i2c_csr_aliasing	2.190s	407.830us	1	1	100.00
V1		TOTAL			7	7	100.00
V2	host_error_intr	i2c_host_error_intr	2.150s	395.580us	1	1	100.00
V2	host_stress_all	i2c_host_stress_all	1.767m	28.278ms	0	1	0.00
V2	host_maxperf	i2c_host_perf	7.210s	3.255ms	1	1	100.00
V2	host_override	i2c_host_override	1.530s	50.285us	1	1	100.00
V2	host_fifo_watermark	i2c_host_fifo_watermark	44.040s	13.735ms	1	1	100.00
V2	host_fifo_overflow	i2c_host_fifo_overflow	29.730s	7.149ms	1	1	100.00
V2	host_fifo_reset	i2c_host_fifo_reset_fmt	1.470s	343.663us	1	1	100.00
		i2c_host_fifo_fmt_empty	4.920s	1.336ms	1	1	100.00
		i2c_host_fifo_reset_rx	3.260s	566.248us	1	1	100.00
V2	host_fifo_full	i2c_host_fifo_full	29.520s	9.774ms	1	1	100.00
V2	host_timeout	i2c_host_stretch_timeout	6.330s	1.991ms	1	1	100.00
V2	i2c_host_mode_toggle	i2c_host_mode_toggle	1.710s	275.496us	1	1	100.00
V2	target_glitch	i2c_target_glitch	6.280s	8.207ms	1	1	100.00
V2	target_stress_all	i2c_target_stress_all	1.604m	57.983ms	1	1	100.00
V2	target_maxperf	i2c_target_perf	3.550s	2.278ms	1	1	100.00
V2	target_fifo_empty	i2c_target_stress_rd	4.560s	1.179ms	1	1	100.00
		i2c_target_intr_smoke	3.650s	3.040ms	1	1	100.00
V2	target_fifo_reset	i2c_target_fifo_reset_acq	1.820s	603.790us	1	1	100.00
		i2c_target_fifo_reset_tx	1.650s	548.289us	1	1	100.00
V2	target_fifo_full	i2c_target_stress_wr	5.210s	12.116ms	1	1	100.00
		i2c_target_stress_rd	4.560s	1.179ms	1	1	100.00
		i2c_target_intr_stress_wr	3.220s	4.403ms	1	1	100.00
V2	target_timeout	i2c_target_timeout	4.800s	5.019ms	1	1	100.00
V2	target_clock_stretch	i2c_target_stretch	3.040s	928.251us	1	1	100.00
V2	bad_address	i2c_target_bad_addr	3.270s	2.723ms	1	1	100.00
V2	target_mode_glitch	i2c_target_hrst	2.330s	1.099ms	1	1	100.00
V2	target_fifo_watermark	i2c_target_fifo_watermarks_acq	2.490s	1.814ms	1	1	100.00
		i2c_target_fifo_watermarks_tx	1.660s	409.038us	1	1	100.00
V2	host_mode_config_perf	i2c_host_perf	7.210s	3.255ms	1	1	100.00
		i2c_host_perf_precise	1.640s	58.244us	1	1	100.00
V2	host_mode_clock_stretching	i2c_host_stretch_timeout	6.330s	1.991ms	1	1	100.00
V2	target_mode_tx_stretch_ctrl	i2c_target_tx_stretch_ctrl	3.080s	231.079us	1	1	100.00
V2	target_mode_nack_generation	i2c_target_nack_acqfull	2.660s	2.012ms	1	1	100.00
		i2c_target_nack_acqfull_addr	2.520s	1.977ms	1	1	100.00
		i2c_target_nack_txstretch	1.920s	520.622us	1	1	100.00
V2	host_mode_halt_on_nak	i2c_host_may_nack	2.920s	764.208us	1	1	100.00
V2	target_mode_smbus_maxlen	i2c_target_smbus_maxlen	2.240s	1.844ms	1	1	100.00
V2	alert_test	i2c_alert_test	1.410s	50.744us	1	1	100.00
V2	intr_test	i2c_intr_test	1.410s	49.410us	1	1	100.00
V2	tl_d_oob_addr_access	i2c_tl_errors	2.930s	625.915us	1	1	100.00
V2	tl_d_illegal_access	i2c_tl_errors	2.930s	625.915us	1	1	100.00
V2	tl_d_outstanding_access	i2c_csr_hw_reset	1.560s	75.119us	1	1	100.00
		i2c_csr_rw	1.560s	74.119us	1	1	100.00
		i2c_csr_aliasing	2.190s	407.830us	1	1	100.00
		i2c_same_csr_outstanding	1.730s	201.370us	1	1	100.00
V2	tl_d_partial_access	i2c_csr_hw_reset	1.560s	75.119us	1	1	100.00
		i2c_csr_rw	1.560s	74.119us	1	1	100.00
		i2c_csr_aliasing	2.190s	407.830us	1	1	100.00
		i2c_same_csr_outstanding	1.730s	201.370us	1	1	100.00
V2		TOTAL			37	38	97.37
V2S	tl_intg_err	i2c_tl_intg_err	2.510s	520.872us	1	1	100.00
		i2c_sec_cm	1.750s	291.871us	1	1	100.00
V2S	sec_cm_bus_integrity	i2c_tl_intg_err	2.510s	520.872us	1	1	100.00
V2S		TOTAL			2	2	100.00
V3	host_stress_all_with_rand_reset	i2c_host_stress_all_with_rand_reset	6.920s	1.972ms	0	1	0.00
V3	target_error_intr	i2c_target_unexp_stop	2.200s	1.263ms	0	1	0.00
V3	target_stress_all_with_rand_reset	i2c_target_stress_all_with_rand_reset	5.400s	1.807ms	0	1	0.00
V3		TOTAL			0	3	0.00
		TOTAL			46	50	92.00

Failure Buckets

• UVM_ERROR (i2c_scoreboard.sv:716) [scoreboard] controller_mode_rd_obs_fifo item uncompared: has 1 failures:

  • Test i2c_host_stress_all has 1 failures.

    • 0.i2c_host_stress_all.1
      Line 172, in log /nightly/runs/scratch/master/i2c-sim-vcs/0.i2c_host_stress_all/latest/run.log

        UVM_ERROR @ 28277594535 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            -     @2115166
      

• Offending '($stable(tx_fifo_wvalid_i) && $stable(tx_fifo_wdata_i))' has 1 failures:

  • Test i2c_target_unexp_stop has 1 failures.

    • 0.i2c_target_unexp_stop.1
      Line 74, in log /nightly/runs/scratch/master/i2c-sim-vcs/0.i2c_target_unexp_stop/latest/run.log

            Offending '($stable(tx_fifo_wvalid_i) && $stable(tx_fifo_wdata_i))'
        UVM_ERROR @ 1262586822 ps: (i2c_fifos.sv:318) [ASSERT FAILED] TxWriteStableBeforeHandshake_A
        UVM_INFO @ 1262586822 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
        --- UVM Report catcher Summary ---
      

• UVM_ERROR (cip_base_vseq.sv:907) [i2c_common_vseq] Check failed (!has_outstanding_access()) Waited * cycles to issue a reset with no outstanding accesses. has 1 failures:

  • Test i2c_host_stress_all_with_rand_reset has 1 failures.

    • 0.i2c_host_stress_all_with_rand_reset.1
      Line 82, in log /nightly/runs/scratch/master/i2c-sim-vcs/0.i2c_host_stress_all_with_rand_reset/latest/run.log

        UVM_ERROR @ 1972009164 ps: (cip_base_vseq.sv:907) [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 @ 1972009164 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
        --- UVM Report catcher Summary ---
      

• UVM_ERROR (i2c_scoreboard.sv:682) [scoreboard] Check failed obs.data_q[i] == exp.data_q[i] (* [*] vs * [*]) has 1 failures:

  • Test i2c_target_stress_all_with_rand_reset has 1 failures.

    • 0.i2c_target_stress_all_with_rand_reset.1
      Line 95, in log /nightly/runs/scratch/master/i2c-sim-vcs/0.i2c_target_stress_all_with_rand_reset/latest/run.log

        UVM_ERROR @ 1806757842 ps: (i2c_scoreboard.sv:682) [uvm_test_top.env.scoreboard] Check failed obs.data_q[i] == exp.data_q[i] (255 [0xff] vs 70 [0x46])
        UVM_INFO @ 1806757842 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
        --- UVM Report catcher Summary ---