Oct 03 11:27:01 hades.montclaire.local kernel: [drm:generic_reg_wait [amdgpu]] *ERROR* REG_WAIT timeout 10us * 3000 tries - dce110_stream_encoder_dp_blank line:927
Oct 03 11:27:01 hades.montclaire.local kernel: WARNING: CPU: 1 PID: 385 at drivers/gpu/drm/amd/amdgpu/../display/dc/dc_helper.c:254 generic_reg_wait+0xe7/0x160 [amdgpu]
Oct 03 11:27:01 hades.montclaire.local kernel: Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache btrfs xor zstd_compress raid6_pq zstd_decompress xxhash hfsplus hfs minix msdos jfs xfs thunderb>
Oct 03 11:27:01 hades.montclaire.local kernel:  crc32_pclmul snd_hda_codec_generic iwlwifi ghash_clmulni_intel intel_cstate intel_uncore snd_hda_codec_hdmi intel_rapl_perf btusb snd_hda_intel btrtl btbcm cfg80>
Oct 03 11:27:01 hades.montclaire.local kernel: CPU: 1 PID: 385 Comm: kworker/1:2 Tainted: G        W         4.18.10-300.fc29.x86_64 #1
Oct 03 11:27:01 hades.montclaire.local kernel: Hardware name: Intel Corporation NUC8i7HNK/NUC8i7HNB, BIOS HNKBLi70.86A.0049.2018.0801.1601 08/01/2018
Oct 03 11:27:01 hades.montclaire.local kernel: Workqueue: events drm_mode_rmfb_work_fn [drm]
Oct 03 11:27:01 hades.montclaire.local kernel: RIP: 0010:generic_reg_wait+0xe7/0x160 [amdgpu]
Oct 03 11:27:01 hades.montclaire.local kernel: Code: 44 24 58 8b 54 24 48 89 de 44 89 4c 24 08 48 8b 4c 24 50 48 c7 c7 a0 42 76 c0 e8 d4 5e b3 ff 83 7d 20 01 44 8b 4c 24 08 74 02 <0f> 0b 48 83 c4 10 44 89 c8 5>
Oct 03 11:27:01 hades.montclaire.local kernel: RSP: 0018:ffffb6ad01fbba10 EFLAGS: 00010297
Oct 03 11:27:01 hades.montclaire.local kernel: RAX: 0000000000000000 RBX: 000000000000000a RCX: 0000000000000000
Oct 03 11:27:01 hades.montclaire.local kernel: RDX: 0000000000000000 RSI: ffff9d903ec56938 RDI: ffff9d903ec56938
Oct 03 11:27:01 hades.montclaire.local kernel: RBP: ffff9d9025b10080 R08: 0000000000000084 R09: 0000000000010200
Oct 03 11:27:01 hades.montclaire.local kernel: R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000bb9
Oct 03 11:27:01 hades.montclaire.local kernel: R13: 0000000000004fa4 R14: 0000000000010000 R15: 0000000000000000
Oct 03 11:27:01 hades.montclaire.local kernel: FS:  0000000000000000(0000) GS:ffff9d903ec40000(0000) knlGS:0000000000000000
Oct 03 11:27:01 hades.montclaire.local kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 03 11:27:01 hades.montclaire.local kernel: CR2: 000055701e73dad0 CR3: 00000003b820a002 CR4: 00000000003606e0
Oct 03 11:27:01 hades.montclaire.local kernel: Call Trace:
Oct 03 11:27:01 hades.montclaire.local kernel:  dce110_stream_encoder_dp_blank+0x12c/0x1a0 [amdgpu]
Oct 03 11:27:01 hades.montclaire.local kernel:  core_link_disable_stream+0x54/0x220 [amdgpu]
Oct 03 11:27:01 hades.montclaire.local kernel:  dce110_reset_hw_ctx_wrap+0xc1/0x1e0 [amdgpu]
Oct 03 11:27:01 hades.montclaire.local kernel:  dce110_stream_encoder_dp_blank+0x12c/0x1a0 [amdgpu]
Oct 03 11:27:01 hades.montclaire.local kernel:  core_link_disable_stream+0x54/0x220 [amdgpu]
Oct 03 11:27:01 hades.montclaire.local kernel:  dce110_reset_hw_ctx_wrap+0xc1/0x1e0 [amdgpu]
Oct 03 11:27:01 hades.montclaire.local kernel:  dce110_apply_ctx_to_hw+0x52/0xa30 [amdgpu]
Oct 03 11:27:01 hades.montclaire.local kernel:  ? hwmgr_handle_task+0x6b/0xc0 [amdgpu]
Oct 03 11:27:01 hades.montclaire.local kernel:  ? _cond_resched+0x15/0x30
Oct 03 11:27:01 hades.montclaire.local kernel:  ? pp_dpm_dispatch_tasks+0x41/0x60 [amdgpu]
Oct 03 11:27:01 hades.montclaire.local kernel:  ? amdgpu_pm_compute_clocks.part.9+0xb7/0x530 [amdgpu]
Oct 03 11:27:01 hades.montclaire.local kernel:  dc_commit_state+0x2e7/0x580 [amdgpu]
Oct 03 11:27:01 hades.montclaire.local kernel:  amdgpu_dm_atomic_commit_tail+0x37c/0xd70 [amdgpu]
Oct 03 11:27:01 hades.montclaire.local kernel:  ? _cond_resched+0x15/0x30
Oct 03 11:27:01 hades.montclaire.local kernel:  ? wait_for_completion_timeout+0x3a/0x190
Oct 03 11:27:01 hades.montclaire.local kernel:  ? wait_for_completion_interruptible+0x35/0x1d0
Oct 03 11:27:01 hades.montclaire.local kernel:  ? _cond_resched+0x15/0x30
Oct 03 11:27:01 hades.montclaire.local kernel:  ? dm_plane_helper_cleanup_fb+0x120/0x120 [amdgpu]
Oct 03 11:27:01 hades.montclaire.local kernel:  commit_tail+0x3d/0x70 [drm_kms_helper]
Oct 03 11:27:01 hades.montclaire.local kernel:  drm_atomic_helper_commit+0x103/0x110 [drm_kms_helper]
Oct 03 11:27:01 hades.montclaire.local kernel:  drm_framebuffer_remove+0x2cc/0x3e0 [drm]
Oct 03 11:27:01 hades.montclaire.local kernel:  drm_mode_rmfb_work_fn+0x4f/0x60 [drm]
Oct 03 11:27:01 hades.montclaire.local kernel:  process_one_work+0x1a1/0x350
Oct 03 11:27:01 hades.montclaire.local kernel:  worker_thread+0x30/0x380
Oct 03 11:27:01 hades.montclaire.local kernel:  ? pwq_unbound_release_workfn+0xd0/0xd0
Oct 03 11:27:01 hades.montclaire.local kernel:  kthread+0x112/0x130
Oct 03 11:27:01 hades.montclaire.local kernel:  ? kthread_create_worker_on_cpu+0x70/0x70
Oct 03 11:27:01 hades.montclaire.local kernel:  ret_from_fork+0x35/0x40
Oct 03 11:27:01 hades.montclaire.local kernel: ---[ end trace cd6b8c28b68c6002 ]---
............

Oct 03 11:27:38 hades.montclaire.local abrt-notification[1179]: System encountered a non-fatal error in dce110_stream_encoder_dp_blank()
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:drm_atomic_state_init [drm]] Allocated atomic state 000000009fb64416
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:drm_atomic_get_plane_state [drm]] Added [PLANE:46:plane-8] 0000000031ea72dc state to 000000009fb64416
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:drm_atomic_get_crtc_state [drm]] Added [CRTC:47:crtc-2] 00000000a027559c state to 000000009fb64416
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:drm_atomic_set_crtc_for_plane [drm]] Link plane state 0000000031ea72dc to [CRTC:47:crtc-2]
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:drm_atomic_set_fb_for_plane [drm]] Set [FB:166] for plane state 0000000031ea72dc
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:drm_atomic_check_only [drm]] checking 000000009fb64416
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:drm_atomic_commit [drm]] committing 000000009fb64416
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:amdgpu_dm_atomic_commit_tail [amdgpu]] amdgpu_crtc id:2 crtc_state_flags: enable:1, active:1, planes_changed:1, mode_changed:0,active_changed:0,connectors_ch>
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:amdgpu_dm_atomic_commit_tail [amdgpu]] handle_cursor_update: crtc_id=2 with size 128 to 128
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:drm_atomic_state_default_clear [drm]] Clearing atomic state 000000009fb64416
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:__drm_atomic_state_free [drm]] Freeing atomic state 000000009fb64416
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:drm_atomic_state_init [drm]] Allocated atomic state 000000009fb64416
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:drm_atomic_get_plane_state [drm]] Added [PLANE:46:plane-8] 000000008724f098 state to 000000009fb64416
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:drm_atomic_get_crtc_state [drm]] Added [CRTC:47:crtc-2] 000000003a4946f4 state to 000000009fb64416
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:drm_atomic_set_fb_for_plane [drm]] Set [FB:166] for plane state 000000008724f098
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:drm_atomic_check_only [drm]] checking 000000009fb64416
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:drm_atomic_commit [drm]] committing 000000009fb64416
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:amdgpu_dm_atomic_commit_tail [amdgpu]] amdgpu_crtc id:2 crtc_state_flags: enable:1, active:1, planes_changed:1, mode_changed:0,active_changed:0,connectors_ch>
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:amdgpu_dm_atomic_commit_tail [amdgpu]] handle_cursor_update: crtc_id=2 with size 128 to 128
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:drm_atomic_state_default_clear [drm]] Clearing atomic state 000000009fb64416
Oct 03 11:27:38 hades.montclaire.local kernel: [drm:__drm_atomic_state_free [drm]] Freeing atomic state 000000009fb64416