[    0.000000] Linux version 5.4.0-48-generic (buildd@lcy01-amd64-010) (gcc version 9.3.0 (Ubuntu 9.3.0-10ubuntu2)) #52-Ubuntu SMP Thu Sep 10 10:58:49 UTC 2020 (Ubuntu 5.4.0-48.52-generic 5.4.60)
[    0.000000] Command line: BOOT_IMAGE=/vmlinuz-5.4.0-48-generic root=UUID=5b605ccb-8a29-46ee-b571-e0d61a323457 ro quiet splash amdgpu.exp_hw_support=1 vt.handoff=7

[ .. ]

[    0.549145] pci 0000:00:00.2: AMD-Vi: Unable to read/write to IOMMU perf counter.
[    0.549294] pci 0000:00:00.2: can't derive routing for PCI INT A
[    0.549294] pci 0000:00:00.2: PCI INT A: not connected

[ .. ]

[    0.851619] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: bar 0: 0x460000000 -> 0x46fffffff
[    0.851620] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: bar 2: 0x470000000 -> 0x4701fffff
[    0.851621] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: bar 5: 0xfd300000 -> 0xfd37ffff
[    0.851622] checking generic (460000000 8ca000) vs hw (460000000 10000000)
[    0.851622] fb0: switching to amdgpudrmfb from EFI VGA
[    0.851708] amdgpu 0000:06:00.0: vgaarb: deactivate vga console
[    0.851731] amdgpu 0000:06:00.0: enabling device (0006 -> 0007)
[    0.851946] [drm] initializing kernel modesetting (RENOIR 0x1002:0x1636 0x17AA:0x5082 0xD1).
[    0.870575] [drm] register mmio base: 0xFD300000
[    0.870577] [drm] register mmio size: 524288
[    0.870583] [drm] PCIE atomic ops is not supported
[    0.870596] [drm] add ip block number 0 <soc15_common>
[    0.870597] [drm] add ip block number 1 <gmc_v9_0>
[    0.870599] [drm] add ip block number 2 <vega10_ih>
[    0.870600] [drm] add ip block number 3 <psp>
[    0.870603] [drm] add ip block number 4 <smu>
[    0.870604] [drm] add ip block number 5 <gfx_v9_0>
[    0.870606] [drm] add ip block number 6 <sdma_v4_0>
[    0.870607] [drm] add ip block number 7 <dm>
[    0.870609] [drm] add ip block number 8 <vcn_v2_0>
[    0.870695] amdgpu 0000:06:00.0: kfd not supported on this ASIC
[    0.870724] ATOM BIOS: 113-RENOIR-025
[    0.870776] [drm] VCN decode is enabled in VM mode
[    0.870777] [drm] VCN encode is enabled in VM mode
[    0.870778] [drm] VCN jpeg decode is enabled in VM mode
[    0.870839] [drm] vm size is 262144 GB, 4 levels, block size is 9-bit, fragment size is 9-bit
[    0.870852] amdgpu 0000:06:00.0: VRAM: 512M 0x000000F400000000 - 0x000000F41FFFFFFF (512M used)
[    0.870854] amdgpu 0000:06:00.0: GART: 1024M 0x0000000000000000 - 0x000000003FFFFFFF
[    0.870856] amdgpu 0000:06:00.0: AGP: 267419648M 0x000000F800000000 - 0x0000FFFFFFFFFFFF
[    0.870862] [drm] Detected VRAM RAM=512M, BAR=512M
[    0.870864] [drm] RAM width 128bits UNKNOWN
[    0.871130] [TTM] Zone  kernel: Available graphics memory: 7830038 KiB
[    0.871132] [TTM] Zone   dma32: Available graphics memory: 2097152 KiB
[    0.871134] [TTM] Initializing pool allocator
[    0.871142] [TTM] Initializing DMA pool allocator
[    0.871246] [drm] amdgpu: 512M of VRAM memory ready
[    0.871248] [drm] amdgpu: 3072M of GTT memory ready.
[    0.871271] [drm] GART: num cpu pages 262144, num gpu pages 262144
[    0.871429] [drm] PCIE GART of 1024M enabled (table at 0x000000F400900000).
[    0.873070] [drm] use_doorbell being set to: [true]
[    0.873200] [drm] Found VCN firmware Version ENC: 1.4 DEC: 3 VEP: 0 Revision: 0
[    0.873203] [drm] PSP loading VCN firmware

[ .. ]

[    1.664079] amdgpu: [powerplay] smu driver if version = 0x0000000a, smu fw if version = 0x0000000e, smu fw version = 0x00374100 (55.65.0)
[    1.664091] amdgpu: [powerplay] SMU driver if version not matched
[    1.665042] amdgpu: [powerplay] dpm has been disabled
[    1.665043] amdgpu: [powerplay] SMU is initialized successfully!
[    1.695872] [drm] Display Core initialized with v3.2.48!

[ .. ]

[    2.745263] [drm] SADs count is: -2, don't need to read it
[    2.785401] [drm] DM_MST: Differing MST start on aconnector: 00000000b75cfbc2 [id: 73]
[    2.786050] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    2.786052] [drm] Driver supports precise vblank timestamp query.
[    2.797993] [drm] VCN decode and encode initialized successfully(under DPG Mode).
[    2.799356] [drm] fb mappable at 0x410BC0000
[    2.799358] [drm] vram apper at 0x410000000
[    2.799361] [drm] size 8294400
[    2.799362] [drm] fb depth is 24
[    2.799383] [drm]    pitch is 7680
[    2.799640] fbcon: amdgpudrmfb (fb0) is primary device
[    2.799642] fbcon: Deferring console take-over
[    2.799647] amdgpu 0000:06:00.0: fb0: amdgpudrmfb frame buffer device
[    2.832060] amdgpu 0000:06:00.0: ring gfx uses VM inv eng 0 on hub 0
[    2.832065] amdgpu 0000:06:00.0: ring comp_1.0.0 uses VM inv eng 1 on hub 0
[    2.832067] amdgpu 0000:06:00.0: ring comp_1.1.0 uses VM inv eng 4 on hub 0
[    2.832069] amdgpu 0000:06:00.0: ring comp_1.2.0 uses VM inv eng 5 on hub 0
[    2.832070] amdgpu 0000:06:00.0: ring comp_1.3.0 uses VM inv eng 6 on hub 0
[    2.832072] amdgpu 0000:06:00.0: ring comp_1.0.1 uses VM inv eng 7 on hub 0
[    2.832074] amdgpu 0000:06:00.0: ring comp_1.1.1 uses VM inv eng 8 on hub 0
[    2.832076] amdgpu 0000:06:00.0: ring comp_1.2.1 uses VM inv eng 9 on hub 0
[    2.832078] amdgpu 0000:06:00.0: ring comp_1.3.1 uses VM inv eng 10 on hub 0
[    2.832080] amdgpu 0000:06:00.0: ring kiq_2.1.0 uses VM inv eng 11 on hub 0
[    2.832082] amdgpu 0000:06:00.0: ring sdma0 uses VM inv eng 0 on hub 1
[    2.832084] amdgpu 0000:06:00.0: ring vcn_dec uses VM inv eng 1 on hub 1
[    2.832086] amdgpu 0000:06:00.0: ring vcn_enc0 uses VM inv eng 4 on hub 1
[    2.832088] amdgpu 0000:06:00.0: ring vcn_enc1 uses VM inv eng 5 on hub 1
[    2.832090] amdgpu 0000:06:00.0: ring vcn_jpeg uses VM inv eng 6 on hub 1
[    2.853116] [drm] Initialized amdgpu 3.35.0 20150101 for 0000:06:00.0 on minor 0
[    2.884957] [drm] DM_MST: added connector: 00000000820abae1 [id: 81] [master: 00000000b75cfbc2]
[    2.904583] [drm] DM_MST: added connector: 0000000096f1cc8d [id: 86] [master: 00000000b75cfbc2]
[    2.913580] [drm] DM_MST: added connector: 000000001e2cdc06 [id: 91] [master: 00000000b75cfbc2]
[    2.942115] [drm] amdgpu_dm_irq_schedule_work FAILED src 9
[    2.951933] usb 4-1.3.3: new high-speed USB device number 5 using xhci_hcd
[    2.972178] [drm] amdgpu_dm_irq_schedule_work FAILED src 9
[    2.976357] [drm] amdgpu_dm_irq_schedule_work FAILED src 9
[    2.980538] [drm] amdgpu_dm_irq_schedule_work FAILED src 9
[    2.984878] [drm] amdgpu_dm_irq_schedule_work FAILED src 9
[    2.994046] [drm] amdgpu_dm_irq_schedule_work FAILED src 9
[    3.002487] [drm] amdgpu_dm_irq_schedule_work FAILED src 9
[    3.006667] [drm] amdgpu_dm_irq_schedule_work FAILED src 9
[    3.010848] [drm] amdgpu_dm_irq_schedule_work FAILED src 9
[    3.036899] [drm] amdgpu_dm_irq_schedule_work FAILED src 9
[    3.041079] [drm] amdgpu_dm_irq_schedule_work FAILED src 9
[    3.045260] [drm] amdgpu_dm_irq_schedule_work FAILED src 9
[    3.049442] [drm] amdgpu_dm_irq_schedule_work FAILED src 9

[ .. ]

[    5.039905] [drm] enabling link 2 failed: 15
[    5.039934] ------------[ cut here ]------------
[    5.040077] WARNING: CPU: 6 PID: 175 at drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:2749 core_link_enable_stream.cold+0x3f/0x60 [amdgpu]
[    5.040078] Modules linked in: hid_generic usbhid hid amdgpu rtsx_pci_sdmmc amd_iommu_v2 gpu_sched i2c_algo_bit crct10dif_pclmul ttm crc32_pclmul ghash_clmulni_intel drm_kms_helper aesni_intel syscopyarea crypto_simd sysfillrect cryptd glue_helper sysimgblt fb_sys_fops psmouse drm nvme i2c_piix4 r8169 rtsx_pci nvme_core realtek wmi video i2c_scmi
[    5.040104] CPU: 6 PID: 175 Comm: kworker/6:1 Not tainted 5.4.0-48-generic #52-Ubuntu
[    5.040106] Hardware name: LENOVO 20UH001AGE/20UH001AGE, BIOS R1CET36W(1.05 ) 06/11/2020
[    5.040120] Workqueue: events_long drm_dp_mst_link_probe_work [drm_kms_helper]
[    5.040242] RIP: 0010:core_link_enable_stream.cold+0x3f/0x60 [amdgpu]
[    5.040244] Code: 29 49 8b 44 24 08 83 b8 14 03 00 00 40 74 1b e9 8e 5f fd ff 49 8b 47 08 83 ca ff 48 c7 c7 18 bf d0 c0 8b 70 30 e8 1a 3a 6e d9 <0f> 0b e9 ac 5e fd ff 41 0f b6 b4 24 9c 02 00 00 48 c7 c7 88 be d0
[    5.040246] RSP: 0018:ffffaed20072f720 EFLAGS: 00010246
[    5.040248] RAX: ffff98536adfb800 RBX: 000000000000000f RCX: 0000000000000490
[    5.040249] RDX: 0000000000000000 RSI: 0000000000000086 RDI: 0000000000000247
[    5.040250] RBP: ffffaed20072f790 R08: 0000000000000490 R09: 0000000000000004
[    5.040251] R10: 0000000000000000 R11: 0000000000000001 R12: ffff98536a6d0658
[    5.040252] R13: ffff98536a6d0000 R14: ffff98536a680000 R15: ffff98536b411000
[    5.040255] FS:  0000000000000000(0000) GS:ffff98537f780000(0000) knlGS:0000000000000000
[    5.040256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.040257] CR2: 00005570000332d8 CR3: 00000003ec0fa000 CR4: 0000000000340ee0
[    5.040259] Call Trace:
[    5.040367]  dce110_apply_ctx_to_hw+0x5ae/0x5f0 [amdgpu]
[    5.040405]  ? dce110_apply_ctx_to_hw+0x5ae/0x5f0 [amdgpu]
[    5.040440]  dc_commit_state_no_check+0x228/0x580 [amdgpu]
[    5.040475]  dc_commit_state+0x96/0xb0 [amdgpu]
[    5.040513]  amdgpu_dm_atomic_commit_tail+0x3bf/0x1030 [amdgpu]
[    5.040519]  ? __switch_to_asm+0x40/0x70
[    5.040520]  ? __switch_to_asm+0x34/0x70
[    5.040520]  ? __switch_to_asm+0x40/0x70
[    5.040521]  ? __switch_to_asm+0x34/0x70
[    5.040522]  ? __switch_to_asm+0x40/0x70
[    5.040522]  ? __switch_to_asm+0x34/0x70
[    5.040523]  ? __switch_to_asm+0x40/0x70
[    5.040524]  ? __switch_to_asm+0x34/0x70
[    5.040525]  ? __switch_to_asm+0x40/0x70
[    5.040525]  ? __switch_to_asm+0x34/0x70
[    5.040526]  ? __switch_to_asm+0x40/0x70
[    5.040527]  ? __switch_to_asm+0x34/0x70
[    5.040527]  ? __switch_to_asm+0x40/0x70
[    5.040528]  ? __switch_to_asm+0x34/0x70
[    5.040529]  ? __switch_to_asm+0x40/0x70
[    5.040529]  ? __switch_to_asm+0x34/0x70
[    5.040530]  ? __switch_to_asm+0x40/0x70
[    5.040531]  ? __switch_to_asm+0x40/0x70
[    5.040532]  ? _cond_resched+0x19/0x30
[    5.040568]  ? dm_plane_atomic_check+0x90/0x90 [amdgpu]
[    5.040603]  ? dm_plane_helper_prepare_fb+0x221/0x280 [amdgpu]
[    5.040607]  commit_tail+0x99/0x110 [drm_kms_helper]
[    5.040610]  ? commit_tail+0x99/0x110 [drm_kms_helper]
[    5.040613]  drm_atomic_helper_commit+0x118/0x120 [drm_kms_helper]
[    5.040647]  amdgpu_dm_atomic_commit+0x95/0xa0 [amdgpu]
[    5.040660]  drm_atomic_commit+0x4a/0x50 [drm]
[    5.040667]  drm_client_modeset_commit_atomic+0x1d0/0x1f0 [drm]
[    5.040672]  drm_client_modeset_commit_force+0x55/0x160 [drm]
[    5.040676]  drm_fb_helper_restore_fbdev_mode_unlocked+0x54/0xb0 [drm_kms_helper]
[    5.040678]  drm_fb_helper_set_par+0x30/0x60 [drm_kms_helper]
[    5.040681]  drm_fb_helper_hotplug_event.part.0+0xab/0xd0 [drm_kms_helper]
[    5.040684]  drm_fb_helper_output_poll_changed+0x23/0x30 [drm_kms_helper]
[    5.040686]  drm_kms_helper_hotplug_event+0x2c/0x40 [drm_kms_helper]
[    5.040689]  drm_dp_send_link_address+0x17d/0x1c0 [drm_kms_helper]
[    5.040692]  drm_dp_check_and_send_link_address+0xa2/0xb0 [drm_kms_helper]
[    5.040695]  drm_dp_mst_link_probe_work+0x69/0x90 [drm_kms_helper]
[    5.040698]  process_one_work+0x1eb/0x3b0
[    5.040699]  worker_thread+0x4d/0x400
[    5.040700]  kthread+0x104/0x140
[    5.040701]  ? process_one_work+0x3b0/0x3b0
[    5.040702]  ? kthread_park+0x90/0x90
[    5.040703]  ret_from_fork+0x22/0x40
[    5.040704] ---[ end trace 75e8924e27b629d3 ]---

[ .. ]

[   25.471907] [drm] enabling link 2 failed: 15
[   25.471984] ------------[ cut here ]------------
[   25.472126] WARNING: CPU: 9 PID: 349 at drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:2749 core_link_enable_stream.cold+0x3f/0x60 [amdgpu]
[   25.472127] Modules linked in: bnep nls_iso8859_1 snd_soc_dmic snd_acp3x_rn snd_acp3x_pdm_dma iwlmvm snd_soc_core snd_compress snd_hda_codec_realtek ac97_bus snd_pcm_dmaengine tps6598x snd_hda_codec_generic mac80211 snd_hda_codec_hdmi libarc4 uvcvideo snd_hda_intel snd_usb_audio snd_intel_dspcfg snd_hda_codec snd_usbmidi_lib edac_mce_amd snd_seq_midi btusb videobuf2_vmalloc snd_seq_midi_event btrtl videobuf2_memops snd_hda_core cdc_ether snd_rawmidi btbcm kvm_amd videobuf2_v4l2 btintel snd_hwdep videobuf2_common ccp usbnet bluetooth joydev thinkpad_acpi r8152 videodev nvram ecdh_generic kvm input_leds serio_raw mii wmi_bmof ledtrig_audio ecc k10temp mc snd_rn_pci_acp3x snd_seq snd_pcm iwlwifi snd_pci_acp3x snd_seq_device snd_timer ucsi_acpi rtsx_pci_ms cfg80211 ipmi_devintf typec_ucsi memstick snd typec ipmi_msghandler soundcore mac_hid i2c_multi_instantiate sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 dm_crypt hid_generic usbhid hid amdgpu rtsx_pci_sdmmc
[   25.472171]  amd_iommu_v2 gpu_sched i2c_algo_bit crct10dif_pclmul ttm crc32_pclmul ghash_clmulni_intel drm_kms_helper aesni_intel syscopyarea crypto_simd sysfillrect cryptd glue_helper sysimgblt fb_sys_fops psmouse drm nvme i2c_piix4 r8169 rtsx_pci nvme_core realtek wmi video i2c_scmi
[   25.472194] CPU: 9 PID: 349 Comm: plymouthd Tainted: G        W         5.4.0-48-generic #52-Ubuntu
[   25.472196] Hardware name: LENOVO 20UH001AGE/20UH001AGE, BIOS R1CET36W(1.05 ) 06/11/2020
[   25.472314] RIP: 0010:core_link_enable_stream.cold+0x3f/0x60 [amdgpu]
[   25.472317] Code: 29 49 8b 44 24 08 83 b8 14 03 00 00 40 74 1b e9 8e 5f fd ff 49 8b 47 08 83 ca ff 48 c7 c7 18 bf d0 c0 8b 70 30 e8 1a 3a 6e d9 <0f> 0b e9 ac 5e fd ff 41 0f b6 b4 24 9c 02 00 00 48 c7 c7 88 be d0
[   25.472319] RSP: 0018:ffffaed200797730 EFLAGS: 00010246
[   25.472321] RAX: ffff985371d62800 RBX: 000000000000000f RCX: 0000000000000000
[   25.472322] RDX: 0000000000000000 RSI: ffff98537f8578c8 RDI: ffff98537f8578c8
[   25.472323] RBP: ffffaed2007977a0 R08: ffff98537f8578c8 R09: 0000000000000004
[   25.472324] R10: 0000000000000000 R11: 0000000000000001 R12: ffff98536a6d0658
[   25.472325] R13: ffff98536a6d0000 R14: ffff98536a680000 R15: ffff98536b411000
[   25.472327] FS:  00007f64a0978740(0000) GS:ffff98537f840000(0000) knlGS:0000000000000000
[   25.472329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.472330] CR2: 000000c000497000 CR3: 00000003f8efa000 CR4: 0000000000340ee0
[   25.472331] Call Trace:
[   25.472462]  dce110_apply_ctx_to_hw+0x5ae/0x5f0 [amdgpu]
[   25.472576]  ? dce110_apply_ctx_to_hw+0x5ae/0x5f0 [amdgpu]
[   25.472683]  dc_commit_state_no_check+0x228/0x580 [amdgpu]
[   25.472786]  dc_commit_state+0x96/0xb0 [amdgpu]
[   25.472900]  amdgpu_dm_atomic_commit_tail+0x3bf/0x1030 [amdgpu]
[   25.472909]  ? _cond_resched+0x19/0x30
[   25.473019]  ? dm_plane_atomic_check+0x90/0x90 [amdgpu]
[   25.473124]  ? dm_plane_helper_prepare_fb+0x221/0x280 [amdgpu]
[   25.473127]  ? _cond_resched+0x19/0x30
[   25.473130]  ? wait_for_completion_timeout+0x3a/0x120
[   25.473132]  ? _cond_resched+0x19/0x30
[   25.473134]  ? wait_for_completion_interruptible+0x37/0x160
[   25.473147]  commit_tail+0x99/0x110 [drm_kms_helper]
[   25.473156]  ? commit_tail+0x99/0x110 [drm_kms_helper]
[   25.473164]  drm_atomic_helper_commit+0x118/0x120 [drm_kms_helper]
[   25.473268]  amdgpu_dm_atomic_commit+0x95/0xa0 [amdgpu]
[   25.473294]  drm_atomic_commit+0x4a/0x50 [drm]
[   25.473312]  drm_client_modeset_commit_atomic+0x1d0/0x1f0 [drm]
[   25.473326]  drm_client_modeset_commit_force+0x55/0x160 [drm]
[   25.473333]  drm_fb_helper_restore_fbdev_mode_unlocked+0x54/0xb0 [drm_kms_helper]
[   25.473337]  drm_fb_helper_lastclose+0x15/0x20 [drm_kms_helper]
[   25.473364]  amdgpu_driver_lastclose_kms+0xe/0x20 [amdgpu]
[   25.473369]  drm_lastclose+0x35/0x60 [drm]
[   25.473374]  drm_release+0xd7/0xe0 [drm]
[   25.473378]  __fput+0xcc/0x260
[   25.473378]  ____fput+0xe/0x10
[   25.473382]  task_work_run+0x8f/0xb0
[   25.473384]  do_exit+0x35a/0xac0
[   25.473385]  do_group_exit+0x47/0xb0
[   25.473386]  __x64_sys_exit_group+0x18/0x20
[   25.473388]  do_syscall_64+0x57/0x190
[   25.473390]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   25.473391] RIP: 0033:0x7f64a0c07136
[   25.473395] Code: Bad RIP value.
[   25.473396] RSP: 002b:00007ffe81e0bcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   25.473397] RAX: ffffffffffffffda RBX: 00007f64a0d0e610 RCX: 00007f64a0c07136
[   25.473397] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
[   25.473397] RBP: 0000000000000000 R08: 00000000000000e7 R09: ffffffffffffff80
[   25.473398] R10: 000000000000002a R11: 0000000000000246 R12: 00007f64a0d0e610
[   25.473398] R13: 0000000000000004 R14: 00007f64a0d11fc8 R15: 0000000000000000
[   25.473399] ---[ end trace 75e8924e27b629d4 ]---