Public bug reported:

I'm left with a black screen after connecting a laptop into a
thunderbolt dock.

The primary kernel error is logged "Failed to create MST payload for port", 
followed by a proper oops:
"BUG: kernel NULL pointer dereference, address: 0000000000000008"

The dock screens remain in power-save and the laptop screen remains
black (usually it is blank when connected to dock).

After unplugging from dock the laptop screen does not recover.

I'm on 6.1-oem due to issues with AMD GPU not waking from sleep after
the the HWE kernel update from 23.04 -> 22.04


kernel: amdgpu 0000:04:00.0: [drm] Failed to create MST payload for port 
000000000a2b5491: -5
kernel: BUG: kernel NULL pointer dereference, address: 0000000000000008
kernel: #PF: supervisor read access in kernel mode
kernel: #PF: error_code(0x0000) - not-present page
kernel: PGD 0 P4D 0 
kernel: Oops: 0000 [#1] PREEMPT SMP NOPTI
kernel: CPU: 5 PID: 3215 Comm: gnome-shell Not tainted 6.1.0-1010-oem #10-Ubuntu
kernel: Hardware name: LENOVO 82UD/LNVNB161216, BIOS JECN11WW(V1.04) 03/14/2022
kernel: RIP: 0010:drm_dp_add_payload_part2+0xce/0x100 [drm_display_helper]
kernel: Code: e8 87 22 82 ff 44 89 f0 5b 41 5c 41 5d 41 5e 5d 31 d2 89 d1 89 d6 
89 d7 41 89 d0 41 89 d1 e9 e9 80 08 d0 48 8b 80 58 05 00 0>
kernel: RSP: 0018:ffffab9590f1b548 EFLAGS: 00010246
kernel: RAX: ffff8c77e8506000 RBX: ffff8c77e8506000 RCX: 0000000000000000
kernel: RDX: ffff8c7a1e8e7740 RSI: 0000000000000000 RDI: ffff8c77f0f14540
kernel: RBP: ffffab9590f1b568 R08: 0000000000000000 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
kernel: R13: ffff8c77f0f14000 R14: ffff8c780885a0c0 R15: 0000000000000006
kernel: FS:  00007f9dbdddb5c0(0000) GS:ffff8c7a5ff40000(0000) 
knlGS:0000000000000000
kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kernel: CR2: 0000000000000008 CR3: 000000014b8d8000 CR4: 0000000000350ee0
kernel: Call Trace:
kernel:  <TASK>
kernel:  dm_helpers_dp_mst_send_payload_allocation+0x90/0xd0 [amdgpu]
kernel:  dc_link_allocate_mst_payload+0x1a9/0x350 [amdgpu]
kernel:  core_link_enable_stream+0x560/0x5e0 [amdgpu]
kernel:  apply_single_controller_ctx_to_hw+0x430/0x530 [amdgpu]
kernel:  ? free_large_kmalloc+0x57/0xa0
kernel:  dce110_apply_ctx_to_hw+0x1f1/0x360 [amdgpu]
kernel:  ? dcn10_wait_for_mpcc_disconnect+0x51/0x220 [amdgpu]
kernel:  ? dcn20_prepare_bandwidth+0xca/0x170 [amdgpu]
kernel:  dc_commit_state_no_check+0x313/0xd20 [amdgpu]
kernel:  ? dc_validate_global_state+0x290/0x500 [amdgpu]
kernel:  dc_commit_state+0x139/0x1d0 [amdgpu]
kernel:  amdgpu_dm_atomic_commit_tail+0x60b/0x13e0 [amdgpu]
kernel:  ? sugov_update_shared+0x2a0/0x2a0
kernel:  ? newidle_balance+0x325/0x4b0
kernel:  ? psi_group_change+0x1d2/0x510
kernel:  ? raw_spin_rq_unlock+0x10/0x40
kernel:  ? finish_task_switch.isra.0+0x85/0x2a0
kernel:  ? __schedule+0x24b/0x5f0
kernel:  ? krc_this_cpu_lock+0x35/0x50
kernel:  ? kvfree_call_rcu+0xf6/0x3f0
kernel:  ? schedule_timeout+0x126/0x160
kernel:  ? wait_for_completion_timeout+0x119/0x150
kernel:  commit_tail+0xc2/0x190 [drm_kms_helper]
kernel:  ? drm_atomic_helper_swap_state+0x246/0x380 [drm_kms_helper]
kernel:  drm_atomic_helper_commit+0x11d/0x150 [drm_kms_helper]
kernel:  drm_atomic_commit+0x99/0xd0 [drm]
kernel:  ? drm_plane_create_color_properties.cold+0x46/0x46 [drm]
kernel:  drm_mode_atomic_ioctl+0x4f2/0x6e0 [drm]
kernel:  ? drm_atomic_set_property+0x160/0x160 [drm]
kernel:  drm_ioctl_kernel+0xd6/0x180 [drm]
kernel:  drm_ioctl+0x2a0/0x4b0 [drm]
kernel:  ? drm_atomic_set_property+0x160/0x160 [drm]
kernel:  amdgpu_drm_ioctl+0x4e/0x90 [amdgpu]
kernel:  __x64_sys_ioctl+0xa0/0xe0
kernel:  do_syscall_64+0x5b/0x90
kernel:  ? do_syscall_64+0x67/0x90
kernel:  ? exit_to_user_mode_prepare+0x30/0xb0
kernel:  ? exit_to_user_mode_prepare+0x30/0xb0
kernel:  ? irqentry_exit_to_user_mode+0x9/0x20
kernel:  ? irqentry_exit+0x43/0x50
kernel:  ? exc_page_fault+0x91/0x1b0
kernel:  entry_SYSCALL_64_after_hwframe+0x63/0xcd
kernel: RIP: 0033:0x7f9dc2d1aaff
kernel: Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 
44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 0>
kernel: RSP: 002b:00007fff7fa9fcf0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
kernel: RAX: ffffffffffffffda RBX: 00007fff7fa9fd90 RCX: 00007f9dc2d1aaff
kernel: RDX: 00007fff7fa9fd90 RSI: 00000000c03864bc RDI: 0000000000000009
kernel: RBP: 00000000c03864bc R08: 0000000000000012 R09: 0000000000000012
kernel: R10: 0000000000000007 R11: 0000000000000246 R12: 000056543cb14ea0
kernel: R13: 0000000000000009 R14: 000056543ff88a80 R15: 0000565441c22a50
kernel:  </TASK>
kernel: Modules linked in: rfcomm xt_conntrack nft_chain_nat xt_MASQUERADE 
nf_nat nf_conntrack_netlink nf_conntrack nf_defrag_ipv6 nf_defr>
kernel:  snd_rpl_pci_acp6x snd_acp_pci snd_rawmidi rc_core btrtl sha512_ssse3 
videobuf2_common btbcm mac80211 snd_pci_acp6x snd_seq aesni_>
kernel:  i2c_hid_acpi xhci_pci_renesas sdhci nvme_common video i2c_hid wmi hid
kernel: CR2: 0000000000000008
kernel: ---[ end trace 0000000000000000 ]---

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-6.1.0-1010-oem 6.1.0-1010.10
ProcVersionSignature: Ubuntu 6.1.0-1010.10-oem 6.1.22
Uname: Linux 6.1.0-1010-oem x86_64
ApportVersion: 2.20.11-0ubuntu82.4
Architecture: amd64
CasperMD5CheckResult: pass
Date: Sun May 14 14:14:06 2023
InstallationDate: Installed on 2022-09-16 (239 days ago)
InstallationMedia: Ubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64 
(20220809.1)
SourcePackage: linux-signed-oem-6.1
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: linux-signed-oem-6.1 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug jammy

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https://bugs.launchpad.net/bugs/2019493

Title:
  Display failure after plugging into thunderbolt dock

Status in linux-signed-oem-6.1 package in Ubuntu:
  New

Bug description:
  I'm left with a black screen after connecting a laptop into a
  thunderbolt dock.

  The primary kernel error is logged "Failed to create MST payload for port", 
followed by a proper oops:
  "BUG: kernel NULL pointer dereference, address: 0000000000000008"

  The dock screens remain in power-save and the laptop screen remains
  black (usually it is blank when connected to dock).

  After unplugging from dock the laptop screen does not recover.

  I'm on 6.1-oem due to issues with AMD GPU not waking from sleep after
  the the HWE kernel update from 23.04 -> 22.04

  
  kernel: amdgpu 0000:04:00.0: [drm] Failed to create MST payload for port 
000000000a2b5491: -5
  kernel: BUG: kernel NULL pointer dereference, address: 0000000000000008
  kernel: #PF: supervisor read access in kernel mode
  kernel: #PF: error_code(0x0000) - not-present page
  kernel: PGD 0 P4D 0 
  kernel: Oops: 0000 [#1] PREEMPT SMP NOPTI
  kernel: CPU: 5 PID: 3215 Comm: gnome-shell Not tainted 6.1.0-1010-oem 
#10-Ubuntu
  kernel: Hardware name: LENOVO 82UD/LNVNB161216, BIOS JECN11WW(V1.04) 
03/14/2022
  kernel: RIP: 0010:drm_dp_add_payload_part2+0xce/0x100 [drm_display_helper]
  kernel: Code: e8 87 22 82 ff 44 89 f0 5b 41 5c 41 5d 41 5e 5d 31 d2 89 d1 89 
d6 89 d7 41 89 d0 41 89 d1 e9 e9 80 08 d0 48 8b 80 58 05 00 0>
  kernel: RSP: 0018:ffffab9590f1b548 EFLAGS: 00010246
  kernel: RAX: ffff8c77e8506000 RBX: ffff8c77e8506000 RCX: 0000000000000000
  kernel: RDX: ffff8c7a1e8e7740 RSI: 0000000000000000 RDI: ffff8c77f0f14540
  kernel: RBP: ffffab9590f1b568 R08: 0000000000000000 R09: 0000000000000000
  kernel: R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
  kernel: R13: ffff8c77f0f14000 R14: ffff8c780885a0c0 R15: 0000000000000006
  kernel: FS:  00007f9dbdddb5c0(0000) GS:ffff8c7a5ff40000(0000) 
knlGS:0000000000000000
  kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  kernel: CR2: 0000000000000008 CR3: 000000014b8d8000 CR4: 0000000000350ee0
  kernel: Call Trace:
  kernel:  <TASK>
  kernel:  dm_helpers_dp_mst_send_payload_allocation+0x90/0xd0 [amdgpu]
  kernel:  dc_link_allocate_mst_payload+0x1a9/0x350 [amdgpu]
  kernel:  core_link_enable_stream+0x560/0x5e0 [amdgpu]
  kernel:  apply_single_controller_ctx_to_hw+0x430/0x530 [amdgpu]
  kernel:  ? free_large_kmalloc+0x57/0xa0
  kernel:  dce110_apply_ctx_to_hw+0x1f1/0x360 [amdgpu]
  kernel:  ? dcn10_wait_for_mpcc_disconnect+0x51/0x220 [amdgpu]
  kernel:  ? dcn20_prepare_bandwidth+0xca/0x170 [amdgpu]
  kernel:  dc_commit_state_no_check+0x313/0xd20 [amdgpu]
  kernel:  ? dc_validate_global_state+0x290/0x500 [amdgpu]
  kernel:  dc_commit_state+0x139/0x1d0 [amdgpu]
  kernel:  amdgpu_dm_atomic_commit_tail+0x60b/0x13e0 [amdgpu]
  kernel:  ? sugov_update_shared+0x2a0/0x2a0
  kernel:  ? newidle_balance+0x325/0x4b0
  kernel:  ? psi_group_change+0x1d2/0x510
  kernel:  ? raw_spin_rq_unlock+0x10/0x40
  kernel:  ? finish_task_switch.isra.0+0x85/0x2a0
  kernel:  ? __schedule+0x24b/0x5f0
  kernel:  ? krc_this_cpu_lock+0x35/0x50
  kernel:  ? kvfree_call_rcu+0xf6/0x3f0
  kernel:  ? schedule_timeout+0x126/0x160
  kernel:  ? wait_for_completion_timeout+0x119/0x150
  kernel:  commit_tail+0xc2/0x190 [drm_kms_helper]
  kernel:  ? drm_atomic_helper_swap_state+0x246/0x380 [drm_kms_helper]
  kernel:  drm_atomic_helper_commit+0x11d/0x150 [drm_kms_helper]
  kernel:  drm_atomic_commit+0x99/0xd0 [drm]
  kernel:  ? drm_plane_create_color_properties.cold+0x46/0x46 [drm]
  kernel:  drm_mode_atomic_ioctl+0x4f2/0x6e0 [drm]
  kernel:  ? drm_atomic_set_property+0x160/0x160 [drm]
  kernel:  drm_ioctl_kernel+0xd6/0x180 [drm]
  kernel:  drm_ioctl+0x2a0/0x4b0 [drm]
  kernel:  ? drm_atomic_set_property+0x160/0x160 [drm]
  kernel:  amdgpu_drm_ioctl+0x4e/0x90 [amdgpu]
  kernel:  __x64_sys_ioctl+0xa0/0xe0
  kernel:  do_syscall_64+0x5b/0x90
  kernel:  ? do_syscall_64+0x67/0x90
  kernel:  ? exit_to_user_mode_prepare+0x30/0xb0
  kernel:  ? exit_to_user_mode_prepare+0x30/0xb0
  kernel:  ? irqentry_exit_to_user_mode+0x9/0x20
  kernel:  ? irqentry_exit+0x43/0x50
  kernel:  ? exc_page_fault+0x91/0x1b0
  kernel:  entry_SYSCALL_64_after_hwframe+0x63/0xcd
  kernel: RIP: 0033:0x7f9dc2d1aaff
  kernel: Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 
89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 0>
  kernel: RSP: 002b:00007fff7fa9fcf0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
  kernel: RAX: ffffffffffffffda RBX: 00007fff7fa9fd90 RCX: 00007f9dc2d1aaff
  kernel: RDX: 00007fff7fa9fd90 RSI: 00000000c03864bc RDI: 0000000000000009
  kernel: RBP: 00000000c03864bc R08: 0000000000000012 R09: 0000000000000012
  kernel: R10: 0000000000000007 R11: 0000000000000246 R12: 000056543cb14ea0
  kernel: R13: 0000000000000009 R14: 000056543ff88a80 R15: 0000565441c22a50
  kernel:  </TASK>
  kernel: Modules linked in: rfcomm xt_conntrack nft_chain_nat xt_MASQUERADE 
nf_nat nf_conntrack_netlink nf_conntrack nf_defrag_ipv6 nf_defr>
  kernel:  snd_rpl_pci_acp6x snd_acp_pci snd_rawmidi rc_core btrtl sha512_ssse3 
videobuf2_common btbcm mac80211 snd_pci_acp6x snd_seq aesni_>
  kernel:  i2c_hid_acpi xhci_pci_renesas sdhci nvme_common video i2c_hid wmi hid
  kernel: CR2: 0000000000000008
  kernel: ---[ end trace 0000000000000000 ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: linux-image-6.1.0-1010-oem 6.1.0-1010.10
  ProcVersionSignature: Ubuntu 6.1.0-1010.10-oem 6.1.22
  Uname: Linux 6.1.0-1010-oem x86_64
  ApportVersion: 2.20.11-0ubuntu82.4
  Architecture: amd64
  CasperMD5CheckResult: pass
  Date: Sun May 14 14:14:06 2023
  InstallationDate: Installed on 2022-09-16 (239 days ago)
  InstallationMedia: Ubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64 
(20220809.1)
  SourcePackage: linux-signed-oem-6.1
  UpgradeStatus: No upgrade log present (probably fresh install)

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