Oct 31 20:40:24 delly kernel: [42627.624214] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
Oct 31 20:40:24 delly kernel: [42627.624217] PGD 0 P4D 0 
Oct 31 20:40:24 delly kernel: [42627.624221] Oops: 0000 [#1] SMP PTI
Oct 31 20:40:24 delly kernel: [42627.624224] CPU: 0 PID: 21240 Comm: kworker/u8:5 Tainted: G        W         4.19.0-rc8+ #64
Oct 31 20:40:24 delly kernel: [42627.624226] Hardware name: Dell Inc. XPS 13 9360/0839Y6, BIOS 2.9.0 07/09/2018
Oct 31 20:40:24 delly kernel: [42627.624257] Workqueue: i915-dp i915_digport_work_func [i915]
Oct 31 20:40:24 delly kernel: [42627.624261] RIP: 0010:refcount_inc_not_zero_checked+0x0/0x50
Oct 31 20:40:24 delly kernel: [42627.624263] Code: c0 74 01 c3 80 3d 05 d0 d2 00 00 75 f6 48 c7 c7 a0 c3 c7 a7 c6 05 f5 cf d2 00 01 e8 18 15 cb ff 0f 0b c3 0f 1f 80 00 00 00 00 <8b> 07 8d 50 01 85 c0 74 15 85 d2 74 0b f0 0f b1 17 75 ef 83 fa ff
Oct 31 20:40:24 delly kernel: [42627.624264] RSP: 0018:ffffb8f0c5287d28 EFLAGS: 00010246
Oct 31 20:40:24 delly kernel: [42627.624266] RAX: 0000000000000000 RBX: ffff954f6695ea60 RCX: ffff954f53c24c41
Oct 31 20:40:24 delly kernel: [42627.624267] RDX: ffff954f6695ea70 RSI: 0000000000000001 RDI: 0000000000000000
Oct 31 20:40:24 delly kernel: [42627.624268] RBP: 0000000000000000 R08: ffff954f6e222660 R09: 0000000000000000
Oct 31 20:40:24 delly kernel: [42627.624269] R10: 0000000000000000 R11: ffff954f6e220be8 R12: ffff954f6695e908
Oct 31 20:40:24 delly kernel: [42627.624270] R13: 0000000000000001 R14: 0000000000000000 R15: ffff954f6695e798
Oct 31 20:40:24 delly kernel: [42627.624272] FS:  0000000000000000(0000) GS:ffff954f6e200000(0000) knlGS:0000000000000000
Oct 31 20:40:24 delly kernel: [42627.624273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 31 20:40:24 delly kernel: [42627.624274] CR2: 0000000000000000 CR3: 0000000006c0a006 CR4: 00000000003606f0
Oct 31 20:40:24 delly kernel: [42627.624275] Call Trace:
Oct 31 20:40:24 delly kernel: [42627.624279]  refcount_inc_checked+0x5/0x30
Oct 31 20:40:24 delly kernel: [42627.624286]  drm_dp_get_mst_branch_device+0xc2/0xe0 [drm_kms_helper]
Oct 31 20:40:24 delly kernel: [42627.624292]  drm_dp_mst_hpd_irq+0xde/0x940 [drm_kms_helper]
Oct 31 20:40:24 delly kernel: [42627.624313]  ? intel_dp_check_mst_status+0xc8/0x220 [i915]
Oct 31 20:40:24 delly kernel: [42627.624333]  intel_dp_check_mst_status+0xc8/0x220 [i915]
Oct 31 20:40:24 delly kernel: [42627.624353]  intel_dp_hpd_pulse+0x179/0x1d0 [i915]
Oct 31 20:40:24 delly kernel: [42627.624372]  i915_digport_work_func+0xcf/0x160 [i915]
Oct 31 20:40:24 delly kernel: [42627.624376]  process_one_work+0x1ae/0x380
Oct 31 20:40:24 delly kernel: [42627.624378]  worker_thread+0x30/0x3b0
Oct 31 20:40:24 delly kernel: [42627.624380]  ? pwq_unbound_release_workfn+0xd0/0xd0
Oct 31 20:40:24 delly kernel: [42627.624382]  kthread+0x112/0x130
Oct 31 20:40:24 delly kernel: [42627.624384]  ? kthread_bind+0x30/0x30
Oct 31 20:40:24 delly kernel: [42627.624387]  ret_from_fork+0x35/0x40
Oct 31 20:40:24 delly kernel: [42627.624389] Modules linked in: ipheth sd_mod sg uas usb_storage scsi_mod hid_logitech_hidpp hid_logitech_dj fuse ctr ccm rfcomm ebtable_filter ebtables devlink nf_tables nfnetlink cmac bnep snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_device btusb btrtl btbcm btintel uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev bluetooth drbg ansi_cprng media ecdh_generic cdc_ether usbnet r8152 mii arc4 cpufreq_powersave cpufreq_conservative cpufreq_userspace snd_hda_codec_hdmi msr wmi_bmof dell_wmi dell_laptop dell_smbios joydev dell_wmi_descriptor dcdbas snd_hda_codec_realtek snd_hda_codec_generic binfmt_misc efi_pstore nls_ascii ath10k_pci nls_cp437 intel_rapl ath10k_core x86_pkg_temp_thermal vfat fat intel_powerclamp ath coretemp kvm_intel mac80211 snd_soc_skl snd_soc_skl_ipc
Oct 31 20:40:24 delly kernel: [42627.624424]  kvm snd_soc_sst_ipc snd_soc_sst_dsp irqbypass snd_hda_ext_core intel_cstate snd_soc_acpi_intel_match intel_uncore snd_soc_acpi intel_rapl_perf snd_soc_core snd_compress snd_hda_intel snd_hda_codec snd_hda_core evdev snd_hwdep snd_pcm pcspkr serio_raw snd_timer efivars iTCO_wdt snd iTCO_vendor_support soundcore cfg80211 i915 rtsx_pci_ms prime_numbers memstick rfkill drm_kms_helper ucsi_acpi drm mei_me processor_thermal_device hid_multitouch mei i2c_algo_bit idma64 intel_soc_dts_iosf intel_pch_thermal typec_ucsi typec wmi battery soc_button_array intel_vbtn video int3400_thermal acpi_thermal_rel int3403_thermal int340x_thermal_zone intel_hid sparse_keymap acpi_pad ac pcc_cpufreq button parport_pc ppdev lp parport sunrpc efivarfs ip_tables x_tables autofs4 ext4 crc32c_generic crc16 mbcache
Oct 31 20:40:24 delly kernel: [42627.624457]  jbd2 fscrypto algif_skcipher af_alg dm_crypt dm_mod usbhid hid_generic crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel pcbc rtsx_pci_sdmmc mmc_core aesni_intel nvme aes_x86_64 crypto_simd cryptd glue_helper xhci_pci psmouse intel_lpss_pci xhci_hcd rtsx_pci i2c_i801 nvme_core thunderbolt usbcore intel_lpss thermal i2c_hid hid
Oct 31 20:40:24 delly kernel: [42627.624473] CR2: 0000000000000000
Oct 31 20:40:24 delly kernel: [42627.624474] ---[ end trace 9dbc0fad963571e4 ]---
Oct 31 20:40:24 delly kernel: [42627.625004] BUG: scheduling while atomic: kworker/u8:5/21240/0x00000003
Oct 31 20:40:24 delly kernel: [42627.625005] Modules linked in: ipheth sd_mod sg uas usb_storage scsi_mod hid_logitech_hidpp hid_logitech_dj fuse ctr ccm rfcomm ebtable_filter ebtables devlink nf_tables nfnetlink cmac bnep snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_device btusb btrtl btbcm btintel uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev bluetooth drbg ansi_cprng media ecdh_generic cdc_ether usbnet r8152 mii arc4 cpufreq_powersave cpufreq_conservative cpufreq_userspace snd_hda_codec_hdmi msr wmi_bmof dell_wmi dell_laptop dell_smbios joydev dell_wmi_descriptor dcdbas snd_hda_codec_realtek snd_hda_codec_generic binfmt_misc efi_pstore nls_ascii ath10k_pci nls_cp437 intel_rapl ath10k_core x86_pkg_temp_thermal vfat fat intel_powerclamp ath coretemp kvm_intel mac80211 snd_soc_skl snd_soc_skl_ipc
Oct 31 20:40:24 delly kernel: [42627.625029]  kvm snd_soc_sst_ipc snd_soc_sst_dsp irqbypass snd_hda_ext_core intel_cstate snd_soc_acpi_intel_match intel_uncore snd_soc_acpi intel_rapl_perf snd_soc_core snd_compress snd_hda_intel snd_hda_codec snd_hda_core evdev snd_hwdep snd_pcm pcspkr serio_raw snd_timer efivars iTCO_wdt snd iTCO_vendor_support soundcore cfg80211 i915 rtsx_pci_ms prime_numbers memstick rfkill drm_kms_helper ucsi_acpi drm mei_me processor_thermal_device hid_multitouch mei i2c_algo_bit idma64 intel_soc_dts_iosf intel_pch_thermal typec_ucsi typec wmi battery soc_button_array intel_vbtn video int3400_thermal acpi_thermal_rel int3403_thermal int340x_thermal_zone intel_hid sparse_keymap acpi_pad ac pcc_cpufreq button parport_pc ppdev lp parport sunrpc efivarfs ip_tables x_tables autofs4 ext4 crc32c_generic crc16 mbcache
Oct 31 20:40:24 delly kernel: [42627.625052]  jbd2 fscrypto algif_skcipher af_alg dm_crypt dm_mod usbhid hid_generic crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel pcbc rtsx_pci_sdmmc mmc_core aesni_intel nvme aes_x86_64 crypto_simd cryptd glue_helper xhci_pci psmouse intel_lpss_pci xhci_hcd rtsx_pci i2c_i801 nvme_core thunderbolt usbcore intel_lpss thermal i2c_hid hid
Oct 31 20:40:24 delly kernel: [42627.625065] CPU: 0 PID: 21240 Comm: kworker/u8:5 Tainted: G      D W         4.19.0-rc8+ #64
Oct 31 20:40:24 delly kernel: [42627.625066] Hardware name: Dell Inc. XPS 13 9360/0839Y6, BIOS 2.9.0 07/09/2018
Oct 31 20:40:24 delly kernel: [42627.625087] Workqueue: i915-dp i915_digport_work_func [i915]
Oct 31 20:40:24 delly kernel: [42627.625088] Call Trace:
Oct 31 20:40:24 delly kernel: [42627.625092]  dump_stack+0x5c/0x80
Oct 31 20:40:24 delly kernel: [42627.625095]  __schedule_bug.cold.84+0x4c/0x58
Oct 31 20:40:24 delly kernel: [42627.625098]  __schedule+0x6b2/0x870
Oct 31 20:40:24 delly kernel: [42627.625100]  ? enqueue_task_fair+0x81/0x6c0
Oct 31 20:40:24 delly kernel: [42627.625101]  schedule+0x2f/0x90
Oct 31 20:40:24 delly kernel: [42627.625103]  schedule_timeout+0x290/0x3b0
Oct 31 20:40:24 delly kernel: [42627.625105]  wait_for_completion+0x12d/0x1a0
Oct 31 20:40:24 delly kernel: [42627.625108]  ? wake_up_q+0x70/0x70
Oct 31 20:40:24 delly kernel: [42627.625111]  virt_efi_query_variable_info+0x102/0x140
Oct 31 20:40:24 delly kernel: [42627.625113]  ? efi_call_virt_check_flags+0x70/0x70
Oct 31 20:40:24 delly kernel: [42627.625116]  efi_query_variable_store+0x57/0x1a0
Oct 31 20:40:24 delly kernel: [42627.625118]  ? vsnprintf+0x144/0x4d0
Oct 31 20:40:24 delly kernel: [42627.625120]  efivar_entry_set_safe+0xb1/0x1d0
Oct 31 20:40:24 delly kernel: [42627.625122]  efi_pstore_write+0x115/0x160 [efi_pstore]
Oct 31 20:40:24 delly kernel: [42627.625126]  pstore_dump+0x132/0x350
Oct 31 20:40:24 delly kernel: [42627.625129]  ? wake_up_klogd+0x37/0x40
Oct 31 20:40:24 delly kernel: [42627.625132]  kmsg_dump+0xc7/0xf0
Oct 31 20:40:24 delly kernel: [42627.625134]  oops_end+0x64/0xd0
Oct 31 20:40:24 delly kernel: [42627.625137]  no_context+0x1be/0x380
Oct 31 20:40:24 delly kernel: [42627.625139]  ? __switch_to_asm+0x34/0x70
Oct 31 20:40:24 delly kernel: [42627.625141]  ? __switch_to_asm+0x40/0x70
Oct 31 20:40:24 delly kernel: [42627.625143]  __do_page_fault+0xe6/0x500
Oct 31 20:40:24 delly kernel: [42627.625145]  ? __schedule+0x2aa/0x870
Oct 31 20:40:24 delly kernel: [42627.625146]  page_fault+0x1e/0x30
Oct 31 20:40:24 delly kernel: [42627.625149] RIP: 0010:refcount_inc_not_zero_checked+0x0/0x50
Oct 31 20:40:24 delly kernel: [42627.625150] Code: c0 74 01 c3 80 3d 05 d0 d2 00 00 75 f6 48 c7 c7 a0 c3 c7 a7 c6 05 f5 cf d2 00 01 e8 18 15 cb ff 0f 0b c3 0f 1f 80 00 00 00 00 <8b> 07 8d 50 01 85 c0 74 15 85 d2 74 0b f0 0f b1 17 75 ef 83 fa ff
Oct 31 20:40:24 delly kernel: [42627.625151] RSP: 0018:ffffb8f0c5287d28 EFLAGS: 00010246
Oct 31 20:40:24 delly kernel: [42627.625153] RAX: 0000000000000000 RBX: ffff954f6695ea60 RCX: ffff954f53c24c41
Oct 31 20:40:24 delly kernel: [42627.625154] RDX: ffff954f6695ea70 RSI: 0000000000000001 RDI: 0000000000000000
Oct 31 20:40:24 delly kernel: [42627.625155] RBP: 0000000000000000 R08: ffff954f6e222660 R09: 0000000000000000
Oct 31 20:40:24 delly kernel: [42627.625156] R10: 0000000000000000 R11: ffff954f6e220be8 R12: ffff954f6695e908
Oct 31 20:40:24 delly kernel: [42627.625157] R13: 0000000000000001 R14: 0000000000000000 R15: ffff954f6695e798
Oct 31 20:40:24 delly kernel: [42627.625160]  refcount_inc_checked+0x5/0x30
Oct 31 20:40:24 delly kernel: [42627.625166]  drm_dp_get_mst_branch_device+0xc2/0xe0 [drm_kms_helper]
Oct 31 20:40:24 delly kernel: [42627.625171]  drm_dp_mst_hpd_irq+0xde/0x940 [drm_kms_helper]
Oct 31 20:40:24 delly kernel: [42627.625191]  ? intel_dp_check_mst_status+0xc8/0x220 [i915]
Oct 31 20:40:24 delly kernel: [42627.625210]  intel_dp_check_mst_status+0xc8/0x220 [i915]
Oct 31 20:40:24 delly kernel: [42627.625228]  intel_dp_hpd_pulse+0x179/0x1d0 [i915]
Oct 31 20:40:24 delly kernel: [42627.625247]  i915_digport_work_func+0xcf/0x160 [i915]
Oct 31 20:40:24 delly kernel: [42627.625249]  process_one_work+0x1ae/0x380
Oct 31 20:40:24 delly kernel: [42627.625251]  worker_thread+0x30/0x3b0
Oct 31 20:40:24 delly kernel: [42627.625253]  ? pwq_unbound_release_workfn+0xd0/0xd0
Oct 31 20:40:24 delly kernel: [42627.625255]  kthread+0x112/0x130
Oct 31 20:40:24 delly kernel: [42627.625256]  ? kthread_bind+0x30/0x30
Oct 31 20:40:24 delly kernel: [42627.625258]  ret_from_fork+0x35/0x40
Oct 31 20:40:24 delly kernel: [42661.347803] rcu: INFO: rcu_sched self-detected stall on CPU
Oct 31 20:40:24 delly kernel: [42661.347814] rcu:       3-...!: (1 GPs behind) idle=cf2/1/0x4000000000000002 softirq=4661938/4661973 fqs=0 
Oct 31 20:40:24 delly kernel: [42661.347816] rcu:        (t=8431 jiffies g=6974673 q=2094)
Oct 31 20:40:24 delly kernel: [42661.347820] rcu: rcu_sched kthread starved for 8431 jiffies! g6974673 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
Oct 31 20:40:24 delly kernel: [42661.347821] rcu: RCU grace-period kthread stack dump:
Oct 31 20:40:24 delly kernel: [42661.347823] rcu_sched       I    0    10      2 0x80000000
Oct 31 20:40:24 delly kernel: [42661.347826] Call Trace:
Oct 31 20:40:24 delly kernel: [42661.347839]  ? __schedule+0x2a2/0x870
Oct 31 20:40:24 delly kernel: [42661.347842]  schedule+0x2f/0x90
Oct 31 20:40:24 delly kernel: [42661.347845]  schedule_timeout+0x172/0x3b0
Oct 31 20:40:24 delly kernel: [42661.347850]  ? __next_timer_interrupt+0xc0/0xc0
Oct 31 20:40:24 delly kernel: [42661.347854]  rcu_gp_kthread+0x433/0x890
Oct 31 20:40:24 delly kernel: [42661.347857]  ? rcu_process_callbacks+0x4d0/0x4d0
Oct 31 20:40:24 delly kernel: [42661.347860]  kthread+0x112/0x130
Oct 31 20:40:24 delly kernel: [42661.347863]  ? kthread_bind+0x30/0x30
Oct 31 20:40:24 delly kernel: [42661.347866]  ret_from_fork+0x35/0x40
Oct 31 20:40:24 delly kernel: [42661.347871] Sending NMI from CPU 3 to CPUs 0:
Oct 31 20:40:24 delly kernel: [42661.348046] NMI backtrace for cpu 0
Oct 31 20:40:24 delly kernel: [42661.348047] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G      D W         4.19.0-rc8+ #64
Oct 31 20:40:24 delly kernel: [42661.348047] Hardware name: Dell Inc. XPS 13 9360/0839Y6, BIOS 2.9.0 07/09/2018
Oct 31 20:40:24 delly kernel: [42661.348048] RIP: 0010:find_next_bit+0x45/0x60
Oct 31 20:40:24 delly kernel: [42661.348048] Code: e2 48 83 e1 c0 48 23 14 f7 75 24 48 83 c1 40 48 39 c8 77 0b eb 29 48 83 c1 40 48 39 c8 76 1f 48 89 ca 48 c1 ea 06 48 8b 14 d7 <48> 85 d2 74 e7 f3 48 0f bc d2 48 01 d1 48 39 c8 48 0f 47 c1 c3 c3
Oct 31 20:40:24 delly kernel: [42661.348049] RSP: 0018:ffff954f6e203d78 EFLAGS: 00000002
Oct 31 20:40:24 delly kernel: [42661.348049] RAX: 0000000000000200 RBX: 0000000000000000 RCX: 0000000000000040
Oct 31 20:40:24 delly kernel: [42661.348050] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff954f6e20f0a0
Oct 31 20:40:24 delly kernel: [42661.348050] RBP: 0000000000000000 R08: 0000007cbdaefc36 R09: 0000000000000000
Oct 31 20:40:24 delly kernel: [42661.348050] R10: 0000000000000000 R11: 000026cc8844787f R12: ffffffffa7ccc700
Oct 31 20:40:24 delly kernel: [42661.348051] R13: ffff954f3a2d21e8 R14: ffff954f4c081400 R15: 0000000000000002
Oct 31 20:40:24 delly kernel: [42661.348051] FS:  0000000000000000(0000) GS:ffff954f6e200000(0000) knlGS:0000000000000000
Oct 31 20:40:24 delly kernel: [42661.348052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 31 20:40:24 delly kernel: [42661.348052] CR2: 0000000000000000 CR3: 0000000006c0a006 CR4: 00000000003606f0
Oct 31 20:40:24 delly kernel: [42661.348052] Call Trace:
Oct 31 20:40:24 delly kernel: [42661.348053]  <IRQ>
Oct 31 20:40:24 delly kernel: [42661.348053]  cpumask_next+0x16/0x20
Oct 31 20:40:24 delly kernel: [42661.348053]  select_idle_sibling+0x27d/0x450
Oct 31 20:40:24 delly kernel: [42661.348054]  select_task_rq_fair+0x90a/0xc90
Oct 31 20:40:24 delly kernel: [42661.348054]  ? reweight_entity+0x15b/0x1a0
Oct 31 20:40:24 delly kernel: [42661.348054]  ? enqueue_task_fair+0x16c/0x6c0
Oct 31 20:40:24 delly kernel: [42661.348054]  ? native_sched_clock+0x3e/0xa0
Oct 31 20:40:24 delly kernel: [42661.348055]  ? check_preempt_curr+0x7a/0x90
Oct 31 20:40:24 delly kernel: [42661.348055]  try_to_wake_up+0x115/0x490
Oct 31 20:40:24 delly kernel: [42661.348055]  ? sched_clock+0x5/0x10
Oct 31 20:40:24 delly kernel: [42661.348056]  ? __hrtimer_init+0xb0/0xb0
Oct 31 20:40:24 delly kernel: [42661.348056]  hrtimer_wakeup+0x1e/0x30
Oct 31 20:40:24 delly kernel: [42661.348056]  __hrtimer_run_queues+0x100/0x2b0
Oct 31 20:40:24 delly kernel: [42661.348057]  hrtimer_interrupt+0x100/0x220
Oct 31 20:40:24 delly kernel: [42661.348057]  smp_apic_timer_interrupt+0x6a/0x150
Oct 31 20:40:24 delly kernel: [42661.348057]  apic_timer_interrupt+0xf/0x20
Oct 31 20:40:24 delly kernel: [42661.348058]  </IRQ>
Oct 31 20:40:24 delly kernel: [42661.348058] RIP: 0010:cpuidle_enter_state+0xb9/0x330
Oct 31 20:40:24 delly kernel: [42661.348059] Code: e8 2c 98 b1 ff 80 7c 24 0b 00 74 17 9c 58 0f 1f 44 00 00 f6 c4 02 0f 85 57 02 00 00 31 ff e8 3e 83 b7 ff fb 66 0f 1f 44 00 00 <48> b8 ff ff ff ff f3 01 00 00 48 2b 1c 24 ba ff ff ff 7f 48 39 c3
Oct 31 20:40:24 delly kernel: [42661.348059] RSP: 0018:ffffffffa7e03e70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
Oct 31 20:40:24 delly kernel: [42661.348060] RAX: ffff954f6e221c40 RBX: 000026c50476be95 RCX: 000000000000001f
Oct 31 20:40:24 delly kernel: [42661.348060] RDX: 000026c50476be95 RSI: 0000000000000000 RDI: 0000000000000000
Oct 31 20:40:24 delly kernel: [42661.348061] RBP: ffff954f6e22a000 R08: 00000065f09486f0 R09: 0000000000000016
Oct 31 20:40:24 delly kernel: [42661.348061] R10: 00000000ffffffff R11: ffff954f6e220be8 R12: 0000000000000001
Oct 31 20:40:24 delly kernel: [42661.348062] R13: ffffffffa7eb61f8 R14: 0000000000000001 R15: 00000000667e9c78
Oct 31 20:40:24 delly kernel: [42661.348062]  do_idle+0x236/0x280
Oct 31 20:40:24 delly kernel: [42661.348062]  cpu_startup_entry+0x6f/0x80
Oct 31 20:40:24 delly kernel: [42661.348063]  start_kernel+0x522/0x542
Oct 31 20:40:24 delly kernel: [42661.348063]  secondary_startup_64+0xa4/0xb0
Oct 31 20:40:24 delly kernel: [42661.348599] i2c_designware i2c_designware.1: controller timed out
Oct 31 20:40:24 delly kernel: [42661.348869] Sending NMI from CPU 3 to CPUs 1:
Oct 31 20:40:24 delly kernel: [42661.349290] thunderbolt 0000:03:00.0: 301: tb_eeprom_read_rom failed
Oct 31 20:40:24 delly kernel: [42661.349865] NMI backtrace for cpu 1
Oct 31 20:40:24 delly kernel: [42661.349865] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G      D W         4.19.0-rc8+ #64
Oct 31 20:40:24 delly kernel: [42661.349866] Hardware name: Dell Inc. XPS 13 9360/0839Y6, BIOS 2.9.0 07/09/2018
Oct 31 20:40:24 delly kernel: [42661.349866] RIP: 0010:native_queued_spin_lock_slowpath+0x1d7/0x1f0
Oct 31 20:40:24 delly kernel: [42661.349867] Code: e9 79 ff ff ff f3 90 48 8b 02 48 85 c0 74 f6 48 89 c6 e9 60 ff ff ff 89 c1 e9 6d fe ff ff 85 c9 74 0e 8b 07 84 c0 74 08 f3 90 <8b> 07 84 c0 75 f8 b8 01 00 00 00 66 89 07 c3 66 2e 0f 1f 84 00 00
Oct 31 20:40:24 delly kernel: [42661.349867] RSP: 0018:ffff954f6e283ef0 EFLAGS: 00000002
Oct 31 20:40:24 delly kernel: [42661.349868] RAX: 0000000000000101 RBX: 0000000000000246 RCX: 0000000000000001
Oct 31 20:40:24 delly kernel: [42661.349869] RDX: 0000000000000101 RSI: 0000000000000000 RDI: ffffffffa7e53540
Oct 31 20:40:24 delly kernel: [42661.349869] RBP: ffffffffa7e53540 R08: 0000000000000000 R09: 0000000000000101
Oct 31 20:40:24 delly kernel: [42661.349869] R10: ffff954f6e2a1c40 R11: 0000000000000001 R12: ffffffffa7e53540
Oct 31 20:40:24 delly kernel: [42661.349870] R13: ffffffffa7e53540 R14: 7fffffffffffffff R15: ffffffffa7e05140
Oct 31 20:40:24 delly kernel: [42661.349870] FS:  0000000000000000(0000) GS:ffff954f6e280000(0000) knlGS:0000000000000000
Oct 31 20:40:24 delly kernel: [42661.349871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 31 20:40:24 delly kernel: [42661.349871] CR2: 0000561bece660f0 CR3: 0000000006c0a006 CR4: 00000000003606e0
Oct 31 20:40:24 delly kernel: [42661.349871] Call Trace:
Oct 31 20:40:24 delly kernel: [42661.349872]  <IRQ>
Oct 31 20:40:24 delly kernel: [42661.349872]  _raw_spin_lock_irqsave+0x39/0x40
Oct 31 20:40:24 delly kernel: [42661.349872]  rcu_process_callbacks+0xbe/0x4d0
Oct 31 20:40:24 delly kernel: [42661.349873]  ? rebalance_domains+0x289/0x2e0
Oct 31 20:40:24 delly kernel: [42661.349873]  __do_softirq+0xdf/0x2e2
Oct 31 20:40:24 delly kernel: [42661.349873]  irq_exit+0xb1/0xc0
Oct 31 20:40:24 delly kernel: [42661.349874]  smp_apic_timer_interrupt+0x74/0x150
Oct 31 20:40:24 delly kernel: [42661.349874]  apic_timer_interrupt+0xf/0x20
Oct 31 20:40:24 delly kernel: [42661.349874]  </IRQ>
Oct 31 20:40:24 delly kernel: [42661.349875] RIP: 0010:cpuidle_enter_state+0xb9/0x330
Oct 31 20:40:24 delly kernel: [42661.349875] Code: e8 2c 98 b1 ff 80 7c 24 0b 00 74 17 9c 58 0f 1f 44 00 00 f6 c4 02 0f 85 57 02 00 00 31 ff e8 3e 83 b7 ff fb 66 0f 1f 44 00 00 <48> b8 ff ff ff ff f3 01 00 00 48 2b 1c 24 ba ff ff ff 7f 48 39 c3
Oct 31 20:40:24 delly kernel: [42661.349876] RSP: 0018:ffffb8f0c194fe90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
Oct 31 20:40:24 delly kernel: [42661.349877] RAX: ffff954f6e2a1c40 RBX: 000026ccde7adfd3 RCX: 000000000000001f
Oct 31 20:40:24 delly kernel: [42661.349877] RDX: 000026ccde7adfd3 RSI: 0000000000000000 RDI: 0000000000000000
Oct 31 20:40:24 delly kernel: [42661.349877] RBP: ffff954f6e2aa000 R08: 0000007cbdaac2c6 R09: 0000000000000059
Oct 31 20:40:24 delly kernel: [42661.349878] R10: 000000000000007d R11: ffff954f6e2a0be8 R12: 0000000000000003
Oct 31 20:40:24 delly kernel: [42661.349878] R13: ffffffffa7eb62b8 R14: 0000000000000003 R15: 0000000000000000
Oct 31 20:40:24 delly kernel: [42661.349878]  do_idle+0x236/0x280
Oct 31 20:40:24 delly kernel: [42661.349879]  cpu_startup_entry+0x6f/0x80
Oct 31 20:40:24 delly kernel: [42661.349879]  start_secondary+0x1ab/0x200
Oct 31 20:40:24 delly kernel: [42661.349879]  secondary_startup_64+0xa4/0xb0
Oct 31 20:40:24 delly kernel: [42661.349881] Sending NMI from CPU 3 to CPUs 2:
Oct 31 20:40:24 delly kernel: [42661.349940] NMI backtrace for cpu 2
Oct 31 20:40:24 delly kernel: [42661.349941] CPU: 2 PID: 245 Comm: dmcrypt_write Tainted: G      D W         4.19.0-rc8+ #64
Oct 31 20:40:24 delly kernel: [42661.349941] Hardware name: Dell Inc. XPS 13 9360/0839Y6, BIOS 2.9.0 07/09/2018
Oct 31 20:40:24 delly kernel: [42661.349941] RIP: 0010:wbt_wait+0x1e8/0x310
Oct 31 20:40:24 delly kernel: [42661.349942] Code: 00 78 3b 65 48 8b 04 25 40 5c 01 00 f6 40 26 02 75 2c 41 f7 c5 00 00 10 00 75 1b 48 8b 05 10 c5 c4 00 48 83 e8 19 48 3b 43 e8 <78> 0a 48 3b 43 f0 0f 89 54 ff ff ff 8b 73 a8 e9 4c ff ff ff 8b b3
Oct 31 20:40:24 delly kernel: [42661.349942] RSP: 0018:ffffb8f0c1ea3cf8 EFLAGS: 00000216
Oct 31 20:40:24 delly kernel: [42661.349943] RAX: 0000000100a1991c RBX: ffff954f64916c58 RCX: 0000000000000000
Oct 31 20:40:24 delly kernel: [42661.349943] RDX: ffff954f64b84400 RSI: 0000000000000008 RDI: ffff954f6e321c40
Oct 31 20:40:24 delly kernel: [42661.349943] RBP: 0000000000000000 R08: ffff954f6bfb00b0 R09: 0000000000000000
Oct 31 20:40:24 delly kernel: [42661.349944] R10: 0000000000000000 R11: ffffffffc0268090 R12: ffff954f64916c78
Oct 31 20:40:24 delly kernel: [42661.349944] R13: 0000000000000001 R14: 0000000000000001 R15: ffff954f64916c00
Oct 31 20:40:24 delly kernel: [42661.349944] FS:  0000000000000000(0000) GS:ffff954f6e300000(0000) knlGS:0000000000000000
Oct 31 20:40:24 delly kernel: [42661.349945] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 31 20:40:24 delly kernel: [42661.349945] CR2: 00007f2a14613000 CR3: 0000000006c0a006 CR4: 00000000003606e0
Oct 31 20:40:24 delly kernel: [42661.349945] Call Trace:
Oct 31 20:40:24 delly kernel: [42661.349946]  ? wb_timer_fn+0x400/0x400
Oct 31 20:40:24 delly kernel: [42661.349946]  ? crypt_alloc_tfms+0x100/0x100 [dm_crypt]
Oct 31 20:40:24 delly kernel: [42661.349946]  rq_qos_throttle+0x31/0x40
Oct 31 20:40:24 delly kernel: [42661.349947]  blk_mq_make_request+0x111/0x570
Oct 31 20:40:24 delly kernel: [42661.349947]  ? crypt_alloc_tfms+0x100/0x100 [dm_crypt]
Oct 31 20:40:24 delly kernel: [42661.349947]  generic_make_request+0x1c0/0x430
Oct 31 20:40:24 delly kernel: [42661.349948]  dmcrypt_write+0x153/0x180 [dm_crypt]
Oct 31 20:40:24 delly kernel: [42661.349948]  kthread+0x112/0x130
Oct 31 20:40:24 delly kernel: [42661.349948]  ? kthread_bind+0x30/0x30
Oct 31 20:40:24 delly kernel: [42661.349948]  ret_from_fork+0x35/0x40
Oct 31 20:40:24 delly kernel: [42661.350895] NMI backtrace for cpu 3
Oct 31 20:40:24 delly kernel: [42661.350897] CPU: 3 PID: 21272 Comm: kworker/u8:36 Tainted: G      D W         4.19.0-rc8+ #64
Oct 31 20:40:24 delly kernel: [42661.350898] Hardware name: Dell Inc. XPS 13 9360/0839Y6, BIOS 2.9.0 07/09/2018
Oct 31 20:40:24 delly kernel: [42661.350903] Workqueue: efi_rts_wq efi_call_rts
Oct 31 20:40:24 delly kernel: [42661.350904] Call Trace:
Oct 31 20:40:24 delly kernel: [42661.350906]  <IRQ>
Oct 31 20:40:24 delly kernel: [42661.350909]  dump_stack+0x5c/0x80
Oct 31 20:40:24 delly kernel: [42661.350911]  nmi_cpu_backtrace.cold.4+0x13/0x50
Oct 31 20:40:24 delly kernel: [42661.350914]  ? lapic_can_unplug_cpu.cold.29+0x34/0x34
Oct 31 20:40:24 delly kernel: [42661.350916]  nmi_trigger_cpumask_backtrace+0x109/0x10b
Oct 31 20:40:24 delly kernel: [42661.350919]  rcu_dump_cpu_stacks+0x9b/0xcb
Oct 31 20:40:24 delly kernel: [42661.350922]  rcu_check_callbacks.cold.79+0x1db/0x339
Oct 31 20:40:24 delly kernel: [42661.350925]  ? tick_sched_do_timer+0x60/0x60
Oct 31 20:40:24 delly kernel: [42661.350927]  update_process_times+0x28/0x60
Oct 31 20:40:24 delly kernel: [42661.350929]  tick_sched_handle+0x22/0x60
Oct 31 20:40:24 delly kernel: [42661.350932]  tick_sched_timer+0x37/0x70
Oct 31 20:40:24 delly kernel: [42661.350934]  __hrtimer_run_queues+0x100/0x2b0
Oct 31 20:40:24 delly kernel: [42661.350936]  hrtimer_interrupt+0x100/0x220
Oct 31 20:40:24 delly kernel: [42661.350939]  smp_apic_timer_interrupt+0x6a/0x150
Oct 31 20:40:24 delly kernel: [42661.350941]  apic_timer_interrupt+0xf/0x20
Oct 31 20:40:24 delly kernel: [42661.350943]  </IRQ>
Oct 31 20:40:24 delly kernel: [42661.350944] RIP: 0010:0xfffffffeee9ab262
Oct 31 20:40:24 delly kernel: [42661.350946] Code: 1c 13 00 00 83 c1 30 0f b7 d1 ed 83 c8 02 ef 0f b7 0d 0a 13 00 00 83 c1 30 0f b7 d1 ed 83 c8 21 ef ba b2 00 00 00 41 8a c0 ee <33> c0 c3 cc cc cc 84 d2 74 0b 48 b8 02 00 00 00 00 00 00 80 c3 0f
Oct 31 20:40:24 delly kernel: [42661.350948] RSP: 0018:ffffb8f0c59d7cf8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
Oct 31 20:40:24 delly kernel: [42661.350950] RAX: 00000000900020ff RBX: ffffb8f0c59d7d70 RCX: 0000000000001830
Oct 31 20:40:24 delly kernel: [42661.350951] RDX: 00000000000000b2 RSI: ffff954dd4406000 RDI: 0000000000001900
Oct 31 20:40:24 delly kernel: [42661.350952] RBP: fffffffeee6a9018 R08: 00000000000000ff R09: 0000000000000000
Oct 31 20:40:24 delly kernel: [42661.350954] R10: 000000007b559628 R11: 0000000000000010 R12: ffffb8f0c52878b0
Oct 31 20:40:24 delly kernel: [42661.350955] R13: 0000000000000007 R14: 0000000000000000 R15: ffffb8f0c52877d8
Oct 31 20:40:24 delly kernel: [42661.350959]  ? __switch_to_asm+0x40/0x70
Oct 31 20:40:24 delly kernel: [42661.350961]  ? __switch_to_asm+0x34/0x70
Oct 31 20:40:24 delly kernel: [42661.350963]  ? __switch_to_asm+0x40/0x70
Oct 31 20:40:24 delly kernel: [42661.350965]  ? __switch_to_asm+0x34/0x70
Oct 31 20:40:24 delly kernel: [42661.350967]  ? __switch_to_asm+0x40/0x70
Oct 31 20:40:24 delly kernel: [42661.350969]  ? __switch_to_asm+0x40/0x70
Oct 31 20:40:24 delly kernel: [42661.350972]  ? efi_call+0x58/0x90
Oct 31 20:40:24 delly kernel: [42661.350974]  ? syscall_return_via_sysret+0x13/0x83
Oct 31 20:40:24 delly kernel: [42661.350976]  ? __switch_to_asm+0x40/0x70
Oct 31 20:40:24 delly kernel: [42661.350979]  ? efi_call_rts+0x674/0x9a0
Oct 31 20:40:24 delly kernel: [42661.350982]  ? process_one_work+0x1ae/0x380
Oct 31 20:40:24 delly kernel: [42661.350984]  ? worker_thread+0x30/0x3b0
Oct 31 20:40:24 delly kernel: [42661.350987]  ? pwq_unbound_release_workfn+0xd0/0xd0
Oct 31 20:40:24 delly kernel: [42661.350988]  ? kthread+0x112/0x130
Oct 31 20:40:24 delly kernel: [42661.350990]  ? kthread_bind+0x30/0x30
Oct 31 20:40:24 delly kernel: [42661.350992]  ? ret_from_fork+0x35/0x40
Oct 31 20:40:24 delly kernel: [42661.351052] xhci_hcd 0000:09:00.0: xHCI host controller not responding, assume dead
Oct 31 20:40:24 delly kernel: [42661.351055] xhci_hcd 0000:09:00.0: HC died; cleaning up
Oct 31 20:40:24 delly kernel: [42661.351961] thunderbolt 0000:03:00.0: failed to find route string for switch at 1.1
Oct 31 20:40:24 delly kernel: [42661.351968] thunderbolt 0000:03:00.0: failed to find parent switch for 1.2
Oct 31 20:40:24 delly kernel: [42661.351972] thunderbolt 0000:03:00.0: no switch exists at 1.1, ignoring
Oct 31 20:40:58 delly kernel: [42695.718834] rcu: INFO: rcu_sched self-detected stall on CPU
Oct 31 20:40:58 delly kernel: [42695.718842] watchdog: BUG: soft lockup - CPU#3 stuck for 32s! [kworker/u8:36:21272]
Oct 31 20:40:58 delly kernel: [42695.718843] watchdog: BUG: soft lockup - CPU#1 stuck for 32s! [systemd-udevd:22363]
Oct 31 20:40:58 delly kernel: [42695.718844] Modules linked in:
Oct 31 20:40:58 delly kernel: [42695.718844] Modules linked in: ipheth
Oct 31 20:40:58 delly kernel: [42695.718846]  ipheth sd_mod
Oct 31 20:40:58 delly kernel: [42695.718847]  sd_mod
Oct 31 20:40:58 delly kernel: [42695.718848]  sg
Oct 31 20:40:58 delly kernel: [42695.718848]  sg
Oct 31 20:40:58 delly kernel: [42695.718849]  uas