Few tests - dmesg-fail - *ERROR* AUX [BC]/port [BC]: did not complete or timeout within 10ms
> [41.558625] i915 0000:00:02.0: [drm:i915_audio_component_get_eld [i915]] Not valid for port F
<6> [41.560366] sdhci-pci 0000:00:14.5: SDHCI controller found [8086:34f8] (rev 30)
<3> [41.569881] i915 0000:00:02.0: [drm] *ERROR* AUX B/port B: did not complete or timeout within 10ms (status 0xad4003ff)
<6> [41.575939] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1f.3/sound/card0/input15
<6> [41.578316] input: HDA Intel PCH Front Headphone as /devices/pci0000:00/0000:00:1f.3/sound/card0/input16
<6> [41.578941] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input17
<6> [41.579912] input: HDA Intel PCH HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input18
<6> [41.580703] input: HDA Intel PCH HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input19
<6> [41.581440] input: HDA Intel PCH HDMI/DP,pcm=9 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input20
<3> [41.581881] i915 0000:00:02.0: [drm] *ERROR* AUX B/port B: did not complete or timeout within 10ms (status 0xad4003ff)
<3> [41.581934] i915 0000:00:02.0: [drm] *ERROR* AUX B/port B: not done (status 0xad4003ff)
<6> [41.582128] input: HDA Intel PCH HDMI/DP,pcm=10 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input21
<6> [41.582754] input: HDA Intel PCH HDMI/DP,pcm=11 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input22
<6> [41.583350] input: HDA Intel PCH HDMI/DP,pcm=12 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input23
<4> [41.590882] ------------[ cut here ]------------
<4> [41.590887] i915 0000:00:02.0: AUX B/port B: not started (status 0xad4003ff)
<4> [41.590987] WARNING: CPU: 4 PID: 1203 at drivers/gpu/drm/i915/display/intel_dp.c:1426 intel_dp_aux_xfer+0x1f3/0x9c0 [i915]
<4> [41.590990] Modules linked in: snd_hda_intel i915 amdgpu gpu_sched ttm snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio mei_hdcp x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_intel_dspcfg snd_hda_codec ghash_clmulni_intel snd_hwdep snd_hda_core cdc_ether usbnet mii e1000e snd_pcm ptp pps_core mei_me mei prime_numbers intel_lpss_pci [last unloaded: i915]
<4> [41.591017] CPU: 4 PID: 1203 Comm: kms_dp_aux_dev Tainted: G U 5.8.0-CI-CI_DRM_8877+ #1
<4> [41.591020] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.3234.A01.1906141750 06/14/2019
<4> [41.591092] RIP: 0010:intel_dp_aux_xfer+0x1f3/0x9c0 [i915]
<4> [41.591096] Code: 48 8b 5f 50 48 85 db 0f 84 ac 05 00 00 e8 15 37 e4 e0 41 89 e8 4c 89 e1 48 89 da 48 89 c6 48 c7 c7 c8 e1 98 a0 e8 dd 18 7f e0 <0f> 0b bb f0 ff ff ff 41 89 ae e0 0a 00 00 48 8b 7c 24 48 be ff ff
<4> [41.591099] RSP: 0000:ffffc90000627c10 EFLAGS: 00010286
<4> [41.591102] RAX: 0000000000000000 RBX: ffff88849b7ab710 RCX: 0000000000000001
<4> [41.591105] RDX: 0000000080000001 RSI: ffffffff82320e3b RDI: 00000000ffffffff
<4> [41.591107] RBP: 00000000ad4003ff R08: 0000000000000000 R09: 0000000000000000
<4> [41.591109] R10: 0000000000000001 R11: 0000000000000000 R12: ffff888494923b60
<4> [41.591112] R13: 0000000000000004 R14: ffff888472872128 R15: ffff88848b3c0000
<4> [41.591115] FS: 00007f22bee29300(0000) GS:ffff8884a0000000(0000) knlGS:0000000000000000
<4> [41.591117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [41.591120] CR2: 000055de54208630 CR3: 0000000485c6a006 CR4: 0000000000760ee0
<4> [41.591122] PKRU: 55555554
<4> [41.591124] Call Trace:
<4> [41.591133] ? mark_held_locks+0x49/0x70
<4> [41.591214] intel_dp_aux_transfer+0xb0/0x270 [i915]
<4> [41.591220] ? usleep_range+0x40/0x90
<4> [41.591227] drm_dp_dpcd_access+0x76/0x110
<4> [41.591235] drm_dp_dpcd_read+0xb1/0xf0
<4> [41.591242] auxdev_read_iter+0xf7/0x1b0
<4> [41.591251] new_sync_read+0x112/0x1a0
<4> [41.591275] vfs_read+0x17f/0x1a0
<4> [41.591281] ksys_read+0xa2/0xe0
<4> [41.591288] do_syscall_64+0x56/0xe0
<4> [41.591293] entry_SYSCALL_64_after_hwframe+0x44/0xa9
<4> [41.591296] RIP: 0033:0x7f22be37934e
<4> [41.591300] Code: 00 00 00 00 48 8b 15 71 8c 20 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 0f 1f 40 00 8b 05 ba d0 20 00 85 c0 75 16 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5a f3 c3 0f 1f 84 00 00 00 00 00 41 54 55 49
<4> [41.591303] RSP: 002b:00007ffc66755f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
<4> [41.591306] RAX: ffffffffffffffda RBX: 000055e772637d20 RCX: 00007f22be37934e
<4> [41.591308] RDX: 0000000000000010 RSI: 00007ffc66755f20 RDI: 0000000000000008
<4> [41.591310] RBP: 0000000000000009 R08: 000055e772637e0b R09: 000000000000000b
<4> [41.591313] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
<4> [41.591315] R13: 00007ffc66755f30 R14: 000055e7726368a0 R15: 0000000000000000
<4> [41.591329] irq event stamp: 47487
<4> [41.591334] hardirqs last enabled at (47493): [<ffffffff8113218f>] console_unlock+0x4cf/0x5a0
<4> [41.591337] hardirqs last disabled at (47498): [<ffffffff81131d39>] console_unlock+0x79/0x5a0
<4> [41.591341] softirqs last enabled at (45278): [<ffffffff81e0038f>] __do_softirq+0x38f/0x498
<4> [41.591345] softirqs last disabled at (45267): [<ffffffff81c00f4f>] asm_call_on_stack+0xf/0x20
<4> [41.591347] ---[ end trace 25cc0ecdd2fbf4b2 ]---Edited by LAKSHMINARAYANA VUDUM