Hi,
first I had some enabling link 2 failed: 15 after DPMS, but then I got a NULL pointer dereference later.
I'm running 5.8.8 + "Require primary plane to be enabled whenever the CRTC is"
2x 4K DisplayPort monitors. Gnome Wayland desktop, Ubuntu 20.10.
sep 14 00:22:01 mammut kernel: ------------[ cut here ]------------
sep 14 00:22:01 mammut kernel: WARNING: CPU: 3 PID: 2113 at drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:2419 decide_link_settings+0x22e/0x250 [amdgpu]
sep 14 00:22:01 mammut kernel: Modules linked in: input_leds joydev overlay snd_hda_codec_realtek snd_hda_codec_generic binfmt_misc ledtrig_audio snd_hda_codec_hdmi edac_mce_amd amdgpu snd_hda_intel snd_intel_dspcfg kvm_amd snd_hda_codec nls_iso8859_1 snd_usb_audio snd_hda_core snd_usbmidi_lib kvm snd_hwdep snd_pcm snd_seq_midi crct10dif_pclmul snd_seq_midi_event ghash_cl>
sep 14 00:22:01 mammut kernel: CPU: 3 PID: 2113 Comm: gnome-shell Tainted: G W OE 5.8.8+ #16
sep 14 00:22:01 mammut kernel: Hardware name: System manufacturer System Product Name/PRIME X370-PRO, BIOS 5603 07/28/2020
sep 14 00:22:01 mammut kernel: RIP: 0010:decide_link_settings+0x22e/0x250 [amdgpu]
sep 14 00:22:01 mammut kernel: Code: 8b 54 24 18 49 89 06 49 89 56 08 e9 05 ff ff ff 48 8b 83 88 00 00 00 48 8b 93 90 00 00 00 49 89 06 49 89 56 08 e9 eb fe ff ff <0f> 0b e9 d5 fe ff ff 8b 4b 5c e9 c3 fe ff ff e8 4e 09 b0 eb 66 66
sep 14 00:22:01 mammut kernel: RSP: 0018:ffff9e508205f5d0 EFLAGS: 00010246
sep 14 00:22:01 mammut kernel: RAX: 0000000000000000 RBX: ffff8f2b30e84400 RCX: 0000000000000000
sep 14 00:22:01 mammut kernel: RDX: 0000000000000001 RSI: ffff9e508205f628 RDI: ffff8f2b32fa7030
sep 14 00:22:01 mammut kernel: RBP: ffff9e508205f618 R08: ffff8f2b32fa7000 R09: ffff9e508205f5c0
sep 14 00:22:01 mammut kernel: R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000c34830
sep 14 00:22:01 mammut kernel: R13: ffff8f2b32fa7000 R14: ffff9e508205f628 R15: ffff9e508205f628
sep 14 00:22:01 mammut kernel: FS: 00007f16aa242d80(0000) GS:ffff8f2b3e8c0000(0000) knlGS:0000000000000000
sep 14 00:22:01 mammut kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
sep 14 00:22:01 mammut kernel: CR2: 0000558c697954e0 CR3: 00000007d304e000 CR4: 00000000003406e0
sep 14 00:22:01 mammut kernel: Call Trace:
sep 14 00:22:01 mammut kernel: enable_link_dp+0x14c/0x210 [amdgpu]
sep 14 00:22:01 mammut kernel: core_link_enable_stream+0x65b/0x7f0 [amdgpu]
sep 14 00:22:01 mammut kernel: dce110_apply_ctx_to_hw+0x590/0x5d0 [amdgpu]
sep 14 00:22:01 mammut kernel: dc_commit_state+0x339/0xa10 [amdgpu]
sep 14 00:22:01 mammut kernel: ? kfree+0xb8/0x250
sep 14 00:22:01 mammut kernel: ? drm_calc_timestamping_constants+0x10b/0x150 [drm]
sep 14 00:22:01 mammut kernel: amdgpu_dm_atomic_commit_tail+0x33e/0x2250 [amdgpu]
sep 14 00:22:01 mammut kernel: ? update_load_avg+0x643/0x670
sep 14 00:22:01 mammut kernel: ? __cgroup_account_cputime+0x2f/0x50
sep 14 00:22:01 mammut kernel: ? update_curr+0x78/0x210
sep 14 00:22:01 mammut kernel: ? update_cfs_group+0x9c/0xb0
sep 14 00:22:01 mammut kernel: ? dequeue_entity+0xb6/0x440
sep 14 00:22:01 mammut kernel: ? newidle_balance+0xe8/0x410
sep 14 00:22:01 mammut kernel: ? __switch_to+0x157/0x470
sep 14 00:22:01 mammut kernel: ? finish_task_switch+0x75/0x260
sep 14 00:22:01 mammut kernel: ? ttm_bo_mem_compat+0x28/0x60 [ttm]
sep 14 00:22:01 mammut kernel: ? ttm_bo_validate+0x54/0x180 [ttm]
sep 14 00:22:01 mammut kernel: ? amdgpu_bo_pin_restricted+0x64/0x2c0 [amdgpu]
sep 14 00:22:01 mammut kernel: ? ttm_bo_move_to_lru_tail+0x26/0xd0 [ttm]
sep 14 00:22:01 mammut kernel: ? ttm_eu_backoff_reservation+0x5d/0x70 [ttm]
sep 14 00:22:01 mammut kernel: ? amdgpu_bo_gpu_offset+0x23/0xa0 [amdgpu]
sep 14 00:22:01 mammut kernel: ? dm_plane_helper_prepare_fb+0x136/0x2a0 [amdgpu]
sep 14 00:22:01 mammut kernel: ? wait_for_completion_timeout+0xc0/0xf0
sep 14 00:22:01 mammut kernel: commit_tail+0x99/0x130 [drm_kms_helper]
sep 14 00:22:01 mammut kernel: drm_atomic_helper_commit+0x123/0x150 [drm_kms_helper]
sep 14 00:22:01 mammut kernel: amdgpu_dm_atomic_commit+0xbd/0xd0 [amdgpu]
sep 14 00:22:01 mammut kernel: drm_atomic_commit+0x4a/0x50 [drm]
sep 14 00:22:01 mammut kernel: drm_atomic_helper_set_config+0x7c/0xc0 [drm_kms_helper]
sep 14 00:22:01 mammut kernel: drm_mode_setcrtc+0x20b/0x7d0 [drm]
sep 14 00:22:01 mammut kernel: ? drm_mode_getcrtc+0x190/0x190 [drm]
sep 14 00:22:01 mammut kernel: drm_ioctl_kernel+0xae/0xf0 [drm]
sep 14 00:22:01 mammut kernel: drm_ioctl+0x238/0x3d0 [drm]
sep 14 00:22:01 mammut kernel: ? drm_mode_getcrtc+0x190/0x190 [drm]
sep 14 00:22:01 mammut kernel: amdgpu_drm_ioctl+0x4e/0x80 [amdgpu]
sep 14 00:22:01 mammut kernel: ksys_ioctl+0x8e/0xc0
sep 14 00:22:01 mammut kernel: __x64_sys_ioctl+0x1a/0x20
sep 14 00:22:01 mammut kernel: do_syscall_64+0x52/0xc0
sep 14 00:22:01 mammut kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
sep 14 00:22:01 mammut kernel: RIP: 0033:0x7f16af88f31b
sep 14 00:22:01 mammut kernel: Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1d 3b 0d 00 f7 d8 64 89 01 48
sep 14 00:22:01 mammut kernel: RSP: 002b:00007ffdb4dc6cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
sep 14 00:22:01 mammut kernel: RAX: ffffffffffffffda RBX: 00007ffdb4dc6d30 RCX: 00007f16af88f31b
sep 14 00:22:01 mammut kernel: RDX: 00007ffdb4dc6d30 RSI: 00000000c06864a2 RDI: 0000000000000009
sep 14 00:22:01 mammut kernel: RBP: 00000000c06864a2 R08: 0000000000000000 R09: 0000558c67768bc0
sep 14 00:22:01 mammut kernel: ? drm_mode_getcrtc+0x190/0x190 [drm]
sep 14 00:22:01 mammut kernel: amdgpu_drm_ioctl+0x4e/0x80 [amdgpu]
sep 14 00:22:01 mammut kernel: ksys_ioctl+0x8e/0xc0
sep 14 00:22:01 mammut kernel: __x64_sys_ioctl+0x1a/0x20
sep 14 00:22:01 mammut kernel: do_syscall_64+0x52/0xc0
sep 14 00:22:01 mammut kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
sep 14 00:22:01 mammut kernel: RIP: 0033:0x7f16af88f31b
sep 14 00:22:01 mammut kernel: Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1d 3b 0d 00 f7 d8 64 89 01 48
sep 14 00:22:01 mammut kernel: RSP: 002b:00007ffdb4dc6cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
sep 14 00:22:01 mammut kernel: RAX: ffffffffffffffda RBX: 00007ffdb4dc6d30 RCX: 00007f16af88f31b
sep 14 00:22:01 mammut kernel: RDX: 00007ffdb4dc6d30 RSI: 00000000c06864a2 RDI: 0000000000000009
sep 14 00:22:01 mammut kernel: RBP: 00000000c06864a2 R08: 0000000000000000 R09: 0000558c67768bc0
sep 14 00:22:01 mammut kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 0000558c683058a0
sep 14 00:22:01 mammut kernel: R13: 0000000000000009 R14: 0000558c67768bc0 R15: 0000558c66f81550
sep 14 00:22:01 mammut kernel: ---[ end trace 5558c8a39b5251e4 ]---
sep 14 00:22:02 mammut kernel: [drm] enabling link 2 failed: 15
sep 14 00:22:02 mammut kernel: [drm] enabling link 2 failed: 15
sep 14 00:22:04 mammut kernel: [drm] enabling link 2 failed: 15
sep 14 00:22:05 mammut kernel: [drm] enabling link 2 failed: 15
sep 14 00:22:28 mammut kernel: [drm] enabling link 2 failed: 15
sep 14 00:22:29 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:22:45 mammut kernel: [drm] enabling link 2 failed: 15
sep 14 00:24:34 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:26:39 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:28:44 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:30:49 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:32:54 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:34:59 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:37:04 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:39:09 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:41:14 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:42:39 mammut kernel: [drm] enabling link 2 failed: 15
sep 14 00:43:19 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:44:16 mammut kernel: BUG: kernel NULL pointer dereference, address: 0000000000000010
sep 14 00:44:16 mammut kernel: #PF: supervisor write access in kernel mode
sep 14 00:44:16 mammut kernel: #PF: error_code(0x0002) - not-present page
sep 14 00:44:16 mammut kernel: PGD 0 P4D 0
sep 14 00:44:16 mammut kernel: Oops: 0002 [#1] PREEMPT SMP NOPTI
sep 14 00:44:16 mammut kernel: CPU: 10 PID: 15018 Comm: more Tainted: G W OE 5.8.8+ #16
sep 14 00:44:16 mammut kernel: Hardware name: System manufacturer System Product Name/PRIME X370-PRO, BIOS 5603 07/28/2020
sep 14 00:44:16 mammut kernel: RIP: 0010:dce_aux_transfer_raw+0x57e/0xa80 [amdgpu]
sep 14 00:44:16 mammut kernel: Code: 38 48 8b 7b 10 4c 8d 45 9c 8b 48 28 48 8b 43 40 0f b6 50 0a 48 8b 43 30 8b 70 08 e8 9c 83 0c 00 8b 55 9c 44 89 e0 41 83 c4 01 <41> 88 54 05 00 44 3b 65 94 72 c8 45 0f be f6 48 8b 7b 08 e8 aa 47
sep 14 00:44:16 mammut kernel: RSP: 0018:ffff9e5082867c80 EFLAGS: 00010202
sep 14 00:44:16 mammut kernel: RAX: 0000000000000000 RBX: ffff8f2b38958e00 RCX: 0000000000000008
sep 14 00:44:16 mammut kernel: RDX: 0000000000000012 RSI: 00000000000170f8 RDI: ffff8f2b372a0000
sep 14 00:44:16 mammut kernel: RBP: ffff9e5082867d10 R08: ffff9e5082867cac R09: ffff9e5082867bf0
sep 14 00:44:16 mammut kernel: R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
sep 14 00:44:16 mammut kernel: R13: 0000000000000010 R14: 0000000000000001 R15: ffff9e5082867d8d
sep 14 00:44:16 mammut kernel: FS: 00007f2f1876e740(0000) GS:ffff8f2b3ea80000(0000) knlGS:0000000000000000
sep 14 00:44:16 mammut kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
sep 14 00:44:16 mammut kernel: CR2: 0000000000000010 CR3: 00000003e5442000 CR4: 00000000003406e0
sep 14 00:44:16 mammut kernel: Call Trace:
sep 14 00:44:16 mammut kernel: dc_link_aux_transfer_raw+0xe/0x10 [amdgpu]
sep 14 00:44:16 mammut kernel: dm_dp_aux_transfer+0x85/0xe0 [amdgpu]
sep 14 00:44:16 mammut kernel: drm_dp_dpcd_access+0x72/0x110 [drm_kms_helper]
sep 14 00:44:16 mammut kernel: drm_dp_dpcd_read+0xb7/0xf0 [drm_kms_helper]
sep 14 00:44:16 mammut kernel: dm_helpers_dp_read_dpcd+0x29/0x50 [amdgpu]
sep 14 00:44:16 mammut kernel: dp_dpcd_data_read+0x85/0xd0 [amdgpu]
sep 14 00:44:16 mammut kernel: full_proxy_read+0x5c/0x80
sep 14 00:44:16 mammut kernel: vfs_read+0xaa/0x190
sep 14 00:44:16 mammut kernel: ksys_read+0x67/0xe0
sep 14 00:44:16 mammut kernel: __x64_sys_read+0x1a/0x20
sep 14 00:44:16 mammut kernel: do_syscall_64+0x52/0xc0
sep 14 00:44:16 mammut kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
sep 14 00:44:16 mammut kernel: RIP: 0033:0x7f2f18879cb2
sep 14 00:44:16 mammut kernel: Code: c0 e9 b2 fe ff ff 50 48 8d 3d ba be 0a 00 e8 d5 0a 02 00 0f 1f 44 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24
sep 14 00:44:16 mammut kernel: RSP: 002b:00007ffe51e0b4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
sep 14 00:44:16 mammut kernel: RAX: ffffffffffffffda RBX: 00005559a68a09d0 RCX: 00007f2f18879cb2
sep 14 00:44:16 mammut kernel: RDX: 0000000000001000 RSI: 00005559a68a6000 RDI: 0000000000000004
sep 14 00:44:16 mammut kernel: RBP: 00007f2f189564c0 R08: 0000000000000004 R09: 00005559a68a6000
sep 14 00:44:16 mammut kernel: R10: 00005559a68a7000 R11: 0000000000000246 R12: 0000000000000002
sep 14 00:44:16 mammut kernel: R13: 00007f2f189558c0 R14: 0000000000000d68 R15: 0000000000000d68
sep 14 00:44:16 mammut kernel: Modules linked in: input_leds joydev overlay snd_hda_codec_realtek snd_hda_codec_generic binfmt_misc ledtrig_audio snd_hda_codec_hdmi edac_mce_amd amdgpu snd_hda_intel snd_intel_dspcfg kvm_amd snd_hda_codec nls_iso8859_1 snd_usb_audio snd_hda_core snd_usbmidi_lib kvm snd_hwdep snd_pcm snd_seq_midi crct10dif_pclmul snd_seq_midi_event ghash_cl>
sep 14 00:44:16 mammut kernel: CR2: 0000000000000010
sep 14 00:44:16 mammut kernel: ---[ end trace 5558c8a39b5251e5 ]---
sep 14 00:44:16 mammut kernel: RIP: 0010:dce_aux_transfer_raw+0x57e/0xa80 [amdgpu]
sep 14 00:44:16 mammut kernel: Code: 38 48 8b 7b 10 4c 8d 45 9c 8b 48 28 48 8b 43 40 0f b6 50 0a 48 8b 43 30 8b 70 08 e8 9c 83 0c 00 8b 55 9c 44 89 e0 41 83 c4 01 <41> 88 54 05 00 44 3b 65 94 72 c8 45 0f be f6 48 8b 7b 08 e8 aa 47
sep 14 00:44:16 mammut kernel: RSP: 0018:ffff9e5082867c80 EFLAGS: 00010202
sep 14 00:44:16 mammut kernel: RAX: 0000000000000000 RBX: ffff8f2b38958e00 RCX: 0000000000000008
sep 14 00:44:16 mammut kernel: RDX: 0000000000000012 RSI: 00000000000170f8 RDI: ffff8f2b372a0000
sep 14 00:44:16 mammut kernel: RBP: ffff9e5082867d10 R08: ffff9e5082867cac R09: ffff9e5082867bf0
sep 14 00:44:16 mammut kernel: R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
sep 14 00:44:16 mammut kernel: R13: 0000000000000010 R14: 0000000000000001 R15: ffff9e5082867d8d
sep 14 00:44:16 mammut kernel: FS: 00007f2f1876e740(0000) GS:ffff8f2b3ea80000(0000) knlGS:0000000000000000
sep 14 00:44:16 mammut kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
sep 14 00:44:16 mammut kernel: CR2: 0000000000000010 CR3: 00000003e5442000 CR4: 00000000003406e0
sep 14 00:22:01 mammut kernel: WARNING: CPU: 3 PID: 2113 at drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:2419 decide_link_settings+0x22e/0x250 [amdgpu]
sep 14 00:22:01 mammut kernel: Modules linked in: input_leds joydev overlay snd_hda_codec_realtek snd_hda_codec_generic binfmt_misc ledtrig_audio snd_hda_codec_hdmi edac_mce_amd amdgpu snd_hda_intel snd_intel_dspcfg kvm_amd snd_hda_codec nls_iso8859_1 snd_usb_audio snd_hda_core snd_usbmidi_lib kvm snd_hwdep snd_pcm snd_seq_midi crct10dif_pclmul snd_seq_midi_event ghash_cl>
sep 14 00:22:01 mammut kernel: CPU: 3 PID: 2113 Comm: gnome-shell Tainted: G W OE 5.8.8+ #16
sep 14 00:22:01 mammut kernel: Hardware name: System manufacturer System Product Name/PRIME X370-PRO, BIOS 5603 07/28/2020
sep 14 00:22:01 mammut kernel: RIP: 0010:decide_link_settings+0x22e/0x250 [amdgpu]
sep 14 00:22:01 mammut kernel: Code: 8b 54 24 18 49 89 06 49 89 56 08 e9 05 ff ff ff 48 8b 83 88 00 00 00 48 8b 93 90 00 00 00 49 89 06 49 89 56 08 e9 eb fe ff ff <0f> 0b e9 d5 fe ff ff 8b 4b 5c e9 c3 fe ff ff e8 4e 09 b0 eb 66 66
sep 14 00:22:01 mammut kernel: RSP: 0018:ffff9e508205f5d0 EFLAGS: 00010246
sep 14 00:22:01 mammut kernel: RAX: 0000000000000000 RBX: ffff8f2b30e84400 RCX: 0000000000000000
sep 14 00:22:01 mammut kernel: RDX: 0000000000000001 RSI: ffff9e508205f628 RDI: ffff8f2b32fa7030
sep 14 00:22:01 mammut kernel: RBP: ffff9e508205f618 R08: ffff8f2b32fa7000 R09: ffff9e508205f5c0
sep 14 00:22:01 mammut kernel: R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000c34830
sep 14 00:22:01 mammut kernel: R13: ffff8f2b32fa7000 R14: ffff9e508205f628 R15: ffff9e508205f628
sep 14 00:22:01 mammut kernel: FS: 00007f16aa242d80(0000) GS:ffff8f2b3e8c0000(0000) knlGS:0000000000000000
sep 14 00:22:01 mammut kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
sep 14 00:22:01 mammut kernel: CR2: 0000558c697954e0 CR3: 00000007d304e000 CR4: 00000000003406e0
sep 14 00:22:01 mammut kernel: Call Trace:
sep 14 00:22:01 mammut kernel: enable_link_dp+0x14c/0x210 [amdgpu]
sep 14 00:22:01 mammut kernel: core_link_enable_stream+0x65b/0x7f0 [amdgpu]
sep 14 00:22:01 mammut kernel: dce110_apply_ctx_to_hw+0x590/0x5d0 [amdgpu]
sep 14 00:22:01 mammut kernel: dc_commit_state+0x339/0xa10 [amdgpu]
sep 14 00:22:01 mammut kernel: ? kfree+0xb8/0x250
sep 14 00:22:01 mammut kernel: ? drm_calc_timestamping_constants+0x10b/0x150 [drm]
sep 14 00:22:01 mammut kernel: amdgpu_dm_atomic_commit_tail+0x33e/0x2250 [amdgpu]
sep 14 00:22:01 mammut kernel: ? update_load_avg+0x643/0x670
sep 14 00:22:01 mammut kernel: ? __cgroup_account_cputime+0x2f/0x50
sep 14 00:22:01 mammut kernel: ? update_curr+0x78/0x210
sep 14 00:22:01 mammut kernel: ? update_cfs_group+0x9c/0xb0
sep 14 00:22:01 mammut kernel: ? dequeue_entity+0xb6/0x440
sep 14 00:22:01 mammut kernel: ? newidle_balance+0xe8/0x410
sep 14 00:22:01 mammut kernel: ? __switch_to+0x157/0x470
sep 14 00:22:01 mammut kernel: ? finish_task_switch+0x75/0x260
sep 14 00:22:01 mammut kernel: ? ttm_bo_mem_compat+0x28/0x60 [ttm]
sep 14 00:22:01 mammut kernel: ? ttm_bo_validate+0x54/0x180 [ttm]
sep 14 00:22:01 mammut kernel: ? amdgpu_bo_pin_restricted+0x64/0x2c0 [amdgpu]
sep 14 00:22:01 mammut kernel: ? ttm_bo_move_to_lru_tail+0x26/0xd0 [ttm]
sep 14 00:22:01 mammut kernel: ? ttm_eu_backoff_reservation+0x5d/0x70 [ttm]
sep 14 00:22:01 mammut kernel: ? amdgpu_bo_gpu_offset+0x23/0xa0 [amdgpu]
sep 14 00:22:01 mammut kernel: ? dm_plane_helper_prepare_fb+0x136/0x2a0 [amdgpu]
sep 14 00:22:01 mammut kernel: ? wait_for_completion_timeout+0xc0/0xf0
sep 14 00:22:01 mammut kernel: commit_tail+0x99/0x130 [drm_kms_helper]
sep 14 00:22:01 mammut kernel: drm_atomic_helper_commit+0x123/0x150 [drm_kms_helper]
sep 14 00:22:01 mammut kernel: amdgpu_dm_atomic_commit+0xbd/0xd0 [amdgpu]
sep 14 00:22:01 mammut kernel: drm_atomic_commit+0x4a/0x50 [drm]
sep 14 00:22:01 mammut kernel: drm_atomic_helper_set_config+0x7c/0xc0 [drm_kms_helper]
sep 14 00:22:01 mammut kernel: drm_mode_setcrtc+0x20b/0x7d0 [drm]
sep 14 00:22:01 mammut kernel: ? drm_mode_getcrtc+0x190/0x190 [drm]
sep 14 00:22:01 mammut kernel: drm_ioctl_kernel+0xae/0xf0 [drm]
sep 14 00:22:01 mammut kernel: drm_ioctl+0x238/0x3d0 [drm]
sep 14 00:22:01 mammut kernel: ? drm_mode_getcrtc+0x190/0x190 [drm]
sep 14 00:22:01 mammut kernel: amdgpu_drm_ioctl+0x4e/0x80 [amdgpu]
sep 14 00:22:01 mammut kernel: ksys_ioctl+0x8e/0xc0
sep 14 00:22:01 mammut kernel: __x64_sys_ioctl+0x1a/0x20
sep 14 00:22:01 mammut kernel: do_syscall_64+0x52/0xc0
sep 14 00:22:01 mammut kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
sep 14 00:22:01 mammut kernel: RIP: 0033:0x7f16af88f31b
sep 14 00:22:01 mammut kernel: Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1d 3b 0d 00 f7 d8 64 89 01 48
sep 14 00:22:01 mammut kernel: RSP: 002b:00007ffdb4dc6cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
sep 14 00:22:01 mammut kernel: RAX: ffffffffffffffda RBX: 00007ffdb4dc6d30 RCX: 00007f16af88f31b
sep 14 00:22:01 mammut kernel: RDX: 00007ffdb4dc6d30 RSI: 00000000c06864a2 RDI: 0000000000000009
sep 14 00:22:01 mammut kernel: RBP: 00000000c06864a2 R08: 0000000000000000 R09: 0000558c67768bc0
sep 14 00:22:01 mammut kernel: ? drm_mode_getcrtc+0x190/0x190 [drm]
sep 14 00:22:01 mammut kernel: amdgpu_drm_ioctl+0x4e/0x80 [amdgpu]
sep 14 00:22:01 mammut kernel: ksys_ioctl+0x8e/0xc0
sep 14 00:22:01 mammut kernel: __x64_sys_ioctl+0x1a/0x20
sep 14 00:22:01 mammut kernel: do_syscall_64+0x52/0xc0
sep 14 00:22:01 mammut kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
sep 14 00:22:01 mammut kernel: RIP: 0033:0x7f16af88f31b
sep 14 00:22:01 mammut kernel: Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1d 3b 0d 00 f7 d8 64 89 01 48
sep 14 00:22:01 mammut kernel: RSP: 002b:00007ffdb4dc6cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
sep 14 00:22:01 mammut kernel: RAX: ffffffffffffffda RBX: 00007ffdb4dc6d30 RCX: 00007f16af88f31b
sep 14 00:22:01 mammut kernel: RDX: 00007ffdb4dc6d30 RSI: 00000000c06864a2 RDI: 0000000000000009
sep 14 00:22:01 mammut kernel: RBP: 00000000c06864a2 R08: 0000000000000000 R09: 0000558c67768bc0
sep 14 00:22:01 mammut kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 0000558c683058a0
sep 14 00:22:01 mammut kernel: R13: 0000000000000009 R14: 0000558c67768bc0 R15: 0000558c66f81550
sep 14 00:22:01 mammut kernel: ---[ end trace 5558c8a39b5251e4 ]---
sep 14 00:22:02 mammut kernel: [drm] enabling link 2 failed: 15
sep 14 00:22:02 mammut kernel: [drm] enabling link 2 failed: 15
sep 14 00:22:04 mammut kernel: [drm] enabling link 2 failed: 15
sep 14 00:22:05 mammut kernel: [drm] enabling link 2 failed: 15
sep 14 00:22:28 mammut kernel: [drm] enabling link 2 failed: 15
sep 14 00:22:29 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:22:45 mammut kernel: [drm] enabling link 2 failed: 15
sep 14 00:24:34 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:26:39 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:28:44 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:30:49 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:32:54 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:34:59 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:37:04 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:39:09 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:41:14 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:42:39 mammut kernel: [drm] enabling link 2 failed: 15
sep 14 00:43:19 mammut kernel: IPv6: MLD: clamping QRV from 1 to 2!
sep 14 00:44:16 mammut kernel: BUG: kernel NULL pointer dereference, address: 0000000000000010
sep 14 00:44:16 mammut kernel: #PF: supervisor write access in kernel mode
sep 14 00:44:16 mammut kernel: #PF: error_code(0x0002) - not-present page
sep 14 00:44:16 mammut kernel: PGD 0 P4D 0
sep 14 00:44:16 mammut kernel: Oops: 0002 [#1] PREEMPT SMP NOPTI
sep 14 00:44:16 mammut kernel: CPU: 10 PID: 15018 Comm: more Tainted: G W OE 5.8.8+ #16
sep 14 00:44:16 mammut kernel: Hardware name: System manufacturer System Product Name/PRIME X370-PRO, BIOS 5603 07/28/2020
sep 14 00:44:16 mammut kernel: RIP: 0010:dce_aux_transfer_raw+0x57e/0xa80 [amdgpu]
sep 14 00:44:16 mammut kernel: Code: 38 48 8b 7b 10 4c 8d 45 9c 8b 48 28 48 8b 43 40 0f b6 50 0a 48 8b 43 30 8b 70 08 e8 9c 83 0c 00 8b 55 9c 44 89 e0 41 83 c4 01 <41> 88 54 05 00 44 3b 65 94 72 c8 45 0f be f6 48 8b 7b 08 e8 aa 47
sep 14 00:44:16 mammut kernel: RSP: 0018:ffff9e5082867c80 EFLAGS: 00010202
sep 14 00:44:16 mammut kernel: RAX: 0000000000000000 RBX: ffff8f2b38958e00 RCX: 0000000000000008
sep 14 00:44:16 mammut kernel: RDX: 0000000000000012 RSI: 00000000000170f8 RDI: ffff8f2b372a0000
sep 14 00:44:16 mammut kernel: RBP: ffff9e5082867d10 R08: ffff9e5082867cac R09: ffff9e5082867bf0
sep 14 00:44:16 mammut kernel: R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
sep 14 00:44:16 mammut kernel: R13: 0000000000000010 R14: 0000000000000001 R15: ffff9e5082867d8d
sep 14 00:44:16 mammut kernel: FS: 00007f2f1876e740(0000) GS:ffff8f2b3ea80000(0000) knlGS:0000000000000000
sep 14 00:44:16 mammut kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
sep 14 00:44:16 mammut kernel: CR2: 0000000000000010 CR3: 00000003e5442000 CR4: 00000000003406e0
sep 14 00:44:16 mammut kernel: Call Trace:
sep 14 00:44:16 mammut kernel: dc_link_aux_transfer_raw+0xe/0x10 [amdgpu]
sep 14 00:44:16 mammut kernel: dm_dp_aux_transfer+0x85/0xe0 [amdgpu]
sep 14 00:44:16 mammut kernel: drm_dp_dpcd_access+0x72/0x110 [drm_kms_helper]
sep 14 00:44:16 mammut kernel: drm_dp_dpcd_read+0xb7/0xf0 [drm_kms_helper]
sep 14 00:44:16 mammut kernel: dm_helpers_dp_read_dpcd+0x29/0x50 [amdgpu]
sep 14 00:44:16 mammut kernel: dp_dpcd_data_read+0x85/0xd0 [amdgpu]
sep 14 00:44:16 mammut kernel: full_proxy_read+0x5c/0x80
sep 14 00:44:16 mammut kernel: vfs_read+0xaa/0x190
sep 14 00:44:16 mammut kernel: ksys_read+0x67/0xe0
sep 14 00:44:16 mammut kernel: __x64_sys_read+0x1a/0x20
sep 14 00:44:16 mammut kernel: do_syscall_64+0x52/0xc0
sep 14 00:44:16 mammut kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
sep 14 00:44:16 mammut kernel: RIP: 0033:0x7f2f18879cb2
sep 14 00:44:16 mammut kernel: Code: c0 e9 b2 fe ff ff 50 48 8d 3d ba be 0a 00 e8 d5 0a 02 00 0f 1f 44 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24
sep 14 00:44:16 mammut kernel: RSP: 002b:00007ffe51e0b4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
sep 14 00:44:16 mammut kernel: RAX: ffffffffffffffda RBX: 00005559a68a09d0 RCX: 00007f2f18879cb2
sep 14 00:44:16 mammut kernel: RDX: 0000000000001000 RSI: 00005559a68a6000 RDI: 0000000000000004
sep 14 00:44:16 mammut kernel: RBP: 00007f2f189564c0 R08: 0000000000000004 R09: 00005559a68a6000
sep 14 00:44:16 mammut kernel: R10: 00005559a68a7000 R11: 0000000000000246 R12: 0000000000000002
sep 14 00:44:16 mammut kernel: R13: 00007f2f189558c0 R14: 0000000000000d68 R15: 0000000000000d68
sep 14 00:44:16 mammut kernel: Modules linked in: input_leds joydev overlay snd_hda_codec_realtek snd_hda_codec_generic binfmt_misc ledtrig_audio snd_hda_codec_hdmi edac_mce_amd amdgpu snd_hda_intel snd_intel_dspcfg kvm_amd snd_hda_codec nls_iso8859_1 snd_usb_audio snd_hda_core snd_usbmidi_lib kvm snd_hwdep snd_pcm snd_seq_midi crct10dif_pclmul snd_seq_midi_event ghash_cl>
sep 14 00:44:16 mammut kernel: CR2: 0000000000000010
sep 14 00:44:16 mammut kernel: ---[ end trace 5558c8a39b5251e5 ]---
sep 14 00:44:16 mammut kernel: RIP: 0010:dce_aux_transfer_raw+0x57e/0xa80 [amdgpu]
sep 14 00:44:16 mammut kernel: Code: 38 48 8b 7b 10 4c 8d 45 9c 8b 48 28 48 8b 43 40 0f b6 50 0a 48 8b 43 30 8b 70 08 e8 9c 83 0c 00 8b 55 9c 44 89 e0 41 83 c4 01 <41> 88 54 05 00 44 3b 65 94 72 c8 45 0f be f6 48 8b 7b 08 e8 aa 47
sep 14 00:44:16 mammut kernel: RSP: 0018:ffff9e5082867c80 EFLAGS: 00010202
sep 14 00:44:16 mammut kernel: RAX: 0000000000000000 RBX: ffff8f2b38958e00 RCX: 0000000000000008
sep 14 00:44:16 mammut kernel: RDX: 0000000000000012 RSI: 00000000000170f8 RDI: ffff8f2b372a0000
sep 14 00:44:16 mammut kernel: RBP: ffff9e5082867d10 R08: ffff9e5082867cac R09: ffff9e5082867bf0
sep 14 00:44:16 mammut kernel: R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
sep 14 00:44:16 mammut kernel: R13: 0000000000000010 R14: 0000000000000001 R15: ffff9e5082867d8d
sep 14 00:44:16 mammut kernel: FS: 00007f2f1876e740(0000) GS:ffff8f2b3ea80000(0000) knlGS:0000000000000000
sep 14 00:44:16 mammut kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
sep 14 00:44:16 mammut kernel: CR2: 0000000000000010 CR3: 00000003e5442000 CR4: 00000000003406e0
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