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apport-collect 1775875

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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
       Status: New => Incomplete

** Tags added: bionic

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https://bugs.launchpad.net/bugs/1775875

Title:
  Ubuntu 18.04 Lenovo X1 Carbon 5th fails to suspend after detaching
  dock station (NULL pointer dereference)

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  lsb_release -a
  No LSB modules are available.
  Distributor ID:       Ubuntu
  Description:  Ubuntu 18.04 LTS
  Release:      18.04
  Codename:     bionic

  uname -r
  4.15.0-22-generic

  How to reproduce:
  1) connect dock station
  2) disconnect dock station
  3) type: systemctl suspend

  Result: system doesn't respond. Only Alt + Print Screen + SUB works.

  There is a workaround for this issue - disable USB for thunderbolt 3
  in BIOS. But this is slightly an overkill.

  Error from kern.log:

  Jun  4 12:09:33 ya-x1 kernel: [  375.060038] pcieport 0000:0a:03.0: Refused 
to change power state, currently in D3
  Jun  4 12:09:33 ya-x1 kernel: [  375.061527] xhci_hcd 0000:0d:00.0: remove, 
state 1
  Jun  4 12:09:33 ya-x1 kernel: [  375.061532] usb usb6: USB disconnect, device 
number 1
  Jun  4 12:09:33 ya-x1 kernel: [  375.061533] usb 6-1: USB disconnect, device 
number 2
  Jun  4 12:09:33 ya-x1 kernel: [  375.061572] xhci_hcd 0000:0d:00.0: xHCI host 
controller not responding, assume dead
  Jun  4 12:09:33 ya-x1 kernel: [  375.061578] r8152 6-1:1.0 enx0050b68eac7d: 
Stop submitting intr, status -108
  Jun  4 12:09:33 ya-x1 kernel: [  375.116210] xhci_hcd 0000:0d:00.0: USB bus 6 
deregistered
  Jun  4 12:09:33 ya-x1 kernel: [  375.116217] xhci_hcd 0000:0d:00.0: remove, 
state 1
  Jun  4 12:09:33 ya-x1 kernel: [  375.116220] usb usb5: USB disconnect, device 
number 1
  Jun  4 12:09:33 ya-x1 kernel: [  375.116222] usb 5-3: USB disconnect, device 
number 3
  Jun  4 12:09:33 ya-x1 kernel: [  375.117197] xhci_hcd 0000:0d:00.0: Host halt 
failed, -19
  Jun  4 12:09:33 ya-x1 kernel: [  375.117199] xhci_hcd 0000:0d:00.0: Host not 
accessible, reset failed.
  Jun  4 12:09:33 ya-x1 kernel: [  375.117307] xhci_hcd 0000:0d:00.0: USB bus 5 
deregistered
  Jun  4 12:09:33 ya-x1 kernel: [  375.147887] pcieport 0000:0a:02.0: Refused 
to change power state, currently in D3
  Jun  4 12:09:33 ya-x1 kernel: [  375.149415] pcieport 0000:0a:01.0: Refused 
to change power state, currently in D3
  Jun  4 12:09:33 ya-x1 kernel: [  375.150959] xhci_hcd 0000:0b:00.0: remove, 
state 4
  Jun  4 12:09:33 ya-x1 kernel: [  375.150965] usb usb4: USB disconnect, device 
number 1
  Jun  4 12:09:33 ya-x1 kernel: [  375.151217] xhci_hcd 0000:0b:00.0: USB bus 4 
deregistered
  Jun  4 12:09:33 ya-x1 kernel: [  375.151223] xhci_hcd 0000:0b:00.0: xHCI host 
controller not responding, assume dead
  Jun  4 12:09:33 ya-x1 kernel: [  375.151230] xhci_hcd 0000:0b:00.0: remove, 
state 1
  Jun  4 12:09:33 ya-x1 kernel: [  375.151233] usb usb3: USB disconnect, device 
number 1
  Jun  4 12:09:33 ya-x1 kernel: [  375.151234] usb 3-1: USB disconnect, device 
number 2
  Jun  4 12:09:33 ya-x1 kernel: [  375.192843] usb 3-4: USB disconnect, device 
number 3
  Jun  4 12:09:33 ya-x1 kernel: [  375.194286] BUG: unable to handle kernel 
NULL pointer dereference at 0000000000000034
  Jun  4 12:09:33 ya-x1 kernel: [  375.194294] IP: 
tty_unregister_driver+0xd/0x70
  Jun  4 12:09:33 ya-x1 kernel: [  375.194295] PGD 0 P4D 0 
  Jun  4 12:09:33 ya-x1 kernel: [  375.194298] Oops: 0000 [#1] SMP PTI
  Jun  4 12:09:33 ya-x1 kernel: [  375.194300] Modules linked in: cdc_ether 
usbnet r8152 mii hid_generic snd_usb_audio usbhid snd_usbmidi_lib ccm 
thunderbolt bnep snd_hda_codec_hdmi snd_hda_codec_conexant 
snd_hda_codec_generic nls_iso8859_1 intel_rapl x86_pkg_temp_thermal 
intel_powerclamp coretemp arc4 kvm_intel snd_soc_skl kvm snd_soc_skl_ipc 
snd_hda_ext_core snd_soc_sst_dsp irqbypass snd_soc_sst_ipc crct10dif_pclmul 
snd_soc_acpi crc32_pclmul snd_soc_core ghash_clmulni_intel snd_compress 
ac97_bus pcbc snd_pcm_dmaengine snd_seq_midi snd_hda_intel snd_hda_codec 
snd_seq_midi_event snd_hda_core snd_hwdep aesni_intel uvcvideo snd_rawmidi 
aes_x86_64 input_leds crypto_simd glue_helper snd_pcm videobuf2_vmalloc cryptd 
intel_cstate intel_rapl_perf videobuf2_memops iwlmvm videobuf2_v4l2 joydev 
mac80211 serio_raw btusb videobuf2_core snd_seq
  Jun  4 12:09:33 ya-x1 kernel: [  375.194335]  thinkpad_acpi btrtl btbcm 
intel_wmi_thunderbolt wmi_bmof btintel nvram iwlwifi rtsx_pci_ms videodev 
bluetooth snd_seq_device snd_timer media cfg80211 memstick snd ecdh_generic 
mei_me mei intel_pch_thermal ucsi_acpi shpchp typec_ucsi typec soundcore 
mac_hid acpi_pad tpm_crb sch_fq_codel parport_pc ppdev lp parport ip_tables 
x_tables autofs4 rtsx_pci_sdmmc i915 i2c_algo_bit drm_kms_helper syscopyarea 
sysfillrect sysimgblt fb_sys_fops e1000e psmouse ptp nvme pps_core nvme_core 
drm rtsx_pci wmi i2c_hid video hid
  Jun  4 12:09:33 ya-x1 kernel: [  375.194366] CPU: 0 PID: 4588 Comm: 
kworker/u8:3 Not tainted 4.15.0-22-generic #24-Ubuntu
  Jun  4 12:09:33 ya-x1 kernel: [  375.194367] Hardware name: LENOVO 
20HQS47H00/20HQS47H00, BIOS N1MET46W (1.31 ) 03/02/2018
  Jun  4 12:09:33 ya-x1 kernel: [  375.194372] Workqueue: kacpi_hotplug 
acpi_hotplug_work_fn
  Jun  4 12:09:33 ya-x1 kernel: [  375.194375] RIP: 
0010:tty_unregister_driver+0xd/0x70
  Jun  4 12:09:33 ya-x1 kernel: [  375.194376] RSP: 0018:ffffa935841afaf0 
EFLAGS: 00010246
  Jun  4 12:09:33 ya-x1 kernel: [  375.194378] RAX: 0000000000000000 RBX: 
0000000000000000 RCX: 0000000000000000
  Jun  4 12:09:33 ya-x1 kernel: [  375.194379] RDX: ffff9c5c59261780 RSI: 
ffffef381192a880 RDI: 0000000000000000
  Jun  4 12:09:33 ya-x1 kernel: [  375.194381] RBP: ffffa935841afaf8 R08: 
ffff9c5c64aa2c38 R09: 00000001801e000e
  Jun  4 12:09:33 ya-x1 kernel: [  375.194382] R10: ffffef380fcb4200 R11: 
0000000000000000 R12: ffff9c5bf79ce230
  Jun  4 12:09:33 ya-x1 kernel: [  375.194383] R13: ffff9c5bf79ce27c R14: 
ffff9c5bf79ce390 R15: 0000000000000060
  Jun  4 12:09:33 ya-x1 kernel: [  375.194385] FS:  0000000000000000(0000) 
GS:ffff9c5ca1400000(0000) knlGS:0000000000000000
  Jun  4 12:09:33 ya-x1 kernel: [  375.194387] CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
  Jun  4 12:09:33 ya-x1 kernel: [  375.194388] CR2: 0000000000000034 CR3: 
000000033340a004 CR4: 00000000003606f0
  Jun  4 12:09:33 ya-x1 kernel: [  375.194390] DR0: 0000000000000000 DR1: 
0000000000000000 DR2: 0000000000000000
  Jun  4 12:09:33 ya-x1 kernel: [  375.194391] DR3: 0000000000000000 DR6: 
00000000fffe0ff0 DR7: 0000000000000400
  Jun  4 12:09:33 ya-x1 kernel: [  375.194392] Call Trace:
  Jun  4 12:09:33 ya-x1 kernel: [  375.194397]  
xhci_dbc_tty_unregister_driver+0x15/0x30
  Jun  4 12:09:33 ya-x1 kernel: [  375.194399]  xhci_dbc_exit+0x2e/0x50
  Jun  4 12:09:33 ya-x1 kernel: [  375.194402]  xhci_stop+0x5b/0x1e0
  Jun  4 12:09:33 ya-x1 kernel: [  375.194404]  usb_remove_hcd+0x105/0x250
  Jun  4 12:09:33 ya-x1 kernel: [  375.194407]  usb_hcd_pci_remove+0x74/0x130
  Jun  4 12:09:33 ya-x1 kernel: [  375.194409]  xhci_pci_remove+0x6b/0x70
  Jun  4 12:09:33 ya-x1 kernel: [  375.194412]  pci_device_remove+0x3e/0xb0
  Jun  4 12:09:33 ya-x1 kernel: [  375.194415]  
device_release_driver_internal+0x15b/0x220
  Jun  4 12:09:33 ya-x1 kernel: [  375.194417]  device_release_driver+0x12/0x20
  Jun  4 12:09:33 ya-x1 kernel: [  375.194420]  pci_stop_bus_device+0x7f/0xa0
  Jun  4 12:09:33 ya-x1 kernel: [  375.194422]  pci_stop_bus_device+0x30/0xa0
  Jun  4 12:09:33 ya-x1 kernel: [  375.194424]  pci_stop_bus_device+0x41/0xa0
  Jun  4 12:09:33 ya-x1 kernel: [  375.194426]  
pci_stop_and_remove_bus_device+0x12/0x20
  Jun  4 12:09:33 ya-x1 kernel: [  375.194429]  trim_stale_devices+0x11d/0x150
  Jun  4 12:09:33 ya-x1 kernel: [  375.194432]  trim_stale_devices+0xa9/0x150
  Jun  4 12:09:33 ya-x1 kernel: [  375.194434]  trim_stale_devices+0xbb/0x150
  Jun  4 12:09:33 ya-x1 kernel: [  375.194436]  ? get_slot_status+0xa3/0xe0
  Jun  4 12:09:33 ya-x1 kernel: [  375.194438]  
acpiphp_check_bridge.part.7+0x100/0x140
  Jun  4 12:09:33 ya-x1 kernel: [  375.194440]  
acpiphp_hotplug_notify+0x18e/0x220
  Jun  4 12:09:33 ya-x1 kernel: [  375.194443]  ? free_bridge+0x100/0x100
  Jun  4 12:09:33 ya-x1 kernel: [  375.194445]  acpi_device_hotplug+0xa4/0x4b0
  Jun  4 12:09:33 ya-x1 kernel: [  375.194447]  acpi_hotplug_work_fn+0x1e/0x30
  Jun  4 12:09:33 ya-x1 kernel: [  375.194450]  process_one_work+0x1de/0x410
  Jun  4 12:09:33 ya-x1 kernel: [  375.194452]  worker_thread+0x32/0x410
  Jun  4 12:09:33 ya-x1 kernel: [  375.194455]  kthread+0x121/0x140
  Jun  4 12:09:33 ya-x1 kernel: [  375.194456]  ? process_one_work+0x410/0x410
  Jun  4 12:09:33 ya-x1 kernel: [  375.194459]  ? 
kthread_create_worker_on_cpu+0x70/0x70
  Jun  4 12:09:33 ya-x1 kernel: [  375.194462]  ret_from_fork+0x35/0x40
  Jun  4 12:09:33 ya-x1 kernel: [  375.194463] Code: c2 1f 33 74 9f 48 c7 c7 d0 
0d c4 9f e8 ed 92 ee ff 48 89 df e8 c5 c6 c6 ff 5b 5d c3 66 90 0f 1f 44 00 00 
55 48 89 e5 53 48 89 fb <8b> 77 34 8b 7f 2c c1 e7 14 0b 7b 30 e8 62 14 ca ff 48 
c7 c7 e0 
  Jun  4 12:09:33 ya-x1 kernel: [  375.194503] RIP: 
tty_unregister_driver+0xd/0x70 RSP: ffffa935841afaf0
  Jun  4 12:09:33 ya-x1 kernel: [  375.194504] CR2: 0000000000000034
  Jun  4 12:09:33 ya-x1 kernel: [  375.194506] ---[ end trace 38139ba5c9de0063 
]---
  Jun  4 12:09:34 ya-x1 kernel: [  375.730916] thinkpad_acpi: EC reports that 
Thermal Table has changed
  Jun  4 12:10:00 ya-x1 kernel: [  401.621461] wlp4s0: deauthenticating from 
2c:d0:2d:6b:10:6f by local choice (Reason: 3=DEAUTH_LEAVING)
  Jun  4 12:10:00 ya-x1 kernel: [  401.636505] wlp4s0: failed to remove key (1, 
ff:ff:ff:ff:ff:ff) from hardware (-22)
  Jun  4 12:10:00 ya-x1 kernel: [  401.787737] PM: suspend entry (deep)

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