I have the same issue with my Cable Matters USB-C dual 4k DisplayPort docking station and HP Elitebook laptop. In my experience, it does not occur on every disconnect, however each time it does occur, it appears to be preceded by a kernel oops: [114032.828215] usb 2-1: USB disconnect, device number 50 [114032.828220] usb 2-1.3: USB disconnect, device number 51 [114032.828222] usb 2-1.3.2: USB disconnect, device number 58 [114032.828225] usb 2-1.3.2.1: USB disconnect, device number 59 [114032.829619] [drm] DM_MST: stopping TM on aconnector: 00000000660e4f23 [id: 77] [114032.829741] [drm] DM_MST: Disabling connector: 000000005955f6aa [id: 95] [master: 00000000660e4f23] [114032.829901] ------------[ cut here ]------------ [114032.829902] sysfs group 'power' not found for kobject 'i2c-11' [114032.829920] WARNING: CPU: 3 PID: 42300 at fs/sysfs/group.c:279 sysfs_remove_group+0x7c/0x80 [114032.829921] Modules linked in: vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) ccm binfmt_misc rfcomm cmac algif_hash algif_skcipher af_alg cdc_ether usbnet snd_usb_audio snd_usbmidi_lib usbhid r8152 mii bnep btusb btrtl btbcm btintel bluetooth ecdh_generic ecc uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common bonding aufs evdi(OE) snd_hda_codec_conexant snd_hda_codec_generic overlay ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd iwlmvm nls_iso8859_1 soundcore mac80211 libarc4 edac_mce_amd iwlwifi kvm_amd ccp kvm hp_wmi joydev input_leds sparse_keymap serio_raw wmi_bmof hid_multitouch cfg80211 ucsi_acpi typec_ucsi ipmi_devintf k10temp ipmi_msghandler typec mac_hid hp_wireless sch_fq_codel v4l2loopback(OE) videodev mc parport_pc ppdev lp parport ip_tables x_tables autofs4 raid10 raid456 async_raid6_recov async_memcpy async_pq [114032.829978] async_xor async_tx xor uas usb_storage raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic amdgpu crct10dif_pclmul crc32_pclmul amd_iommu_v2 ghash_clmulni_intel gpu_sched i2c_algo_bit ttm aesni_intel drm_kms_helper i2c_hid crypto_simd hid cryptd syscopyarea sysfillrect glue_helper psmouse sysimgblt nvme fb_sys_fops ahci i2c_piix4 drm libahci nvme_core r8169 realtek wmi video i2c_amd_mp2_plat i2c_amd_mp2_pci [114032.830005] CPU: 3 PID: 42300 Comm: kworker/3:0 Tainted: G OE 5.4.0-42-generic #46-Ubuntu [114032.830007] Hardware name: HP HP EliteBook 755 G5/83D5, BIOS Q81 Ver. 01.10.00 01/03/2020 [114032.830019] Workqueue: events drm_dp_destroy_connector_work [drm_kms_helper] [114032.830023] RIP: 0010:sysfs_remove_group+0x7c/0x80 [114032.830026] Code: e7 e8 98 b9 ff ff 5b 41 5c 41 5d 5d c3 4c 89 e7 e8 e9 b4 ff ff eb c9 49 8b 55 00 48 8b 33 48 c7 c7 10 de b8 97 e8 6f 9f d1 ff <0f> 0b eb d8 0f 1f 44 00 00 48 85 f6 74 37 55 48 89 e5 41 55 41 54 [114032.830027] RSP: 0018:ffffabccc0363c18 EFLAGS: 00010286 [114032.830029] RAX: 0000000000000000 RBX: ffffffff978f3c60 RCX: 0000000000000006 [114032.830030] RDX: 0000000000000007 RSI: 0000000000000086 RDI: ffff9a4d5fcd78c0 [114032.830032] RBP: ffffabccc0363c30 R08: 0000000000000c98 R09: 0000000000000004 [114032.830032] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [114032.830034] R13: ffff9a4d135f9418 R14: ffffffffc0369140 R15: ffffffffc0369140 [114032.830036] FS: 0000000000000000(0000) GS:ffff9a4d5fcc0000(0000) knlGS:0000000000000000 [114032.830037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [114032.830038] CR2: 000055e429698c40 CR3: 000000040af48000 CR4: 00000000003406a0 [114032.830039] Call Trace: [114032.830047] dpm_sysfs_remove+0x59/0x60 [114032.830050] device_del+0x85/0x370 [114032.830055] cdev_device_del+0x1a/0x40 [114032.830058] i2cdev_detach_adapter+0x87/0xc0 [114032.830060] i2cdev_notifier_call+0x21/0x40 [114032.830064] notifier_call_chain+0x55/0x80 [114032.830067] blocking_notifier_call_chain+0x50/0x70 [114032.830070] device_del+0x7d/0x370 [114032.830072] device_unregister+0x1b/0x60 [114032.830075] i2c_del_adapter+0x238/0x300 [114032.830085] drm_dp_port_teardown_pdt+0x1f/0x40 [drm_kms_helper] [114032.830096] drm_dp_destroy_connector_work+0xa3/0x110 [drm_kms_helper] [114032.830100] process_one_work+0x1eb/0x3b0 [114032.830104] worker_thread+0x4d/0x400 [114032.830108] kthread+0x104/0x140 [114032.830111] ? process_one_work+0x3b0/0x3b0 [114032.830114] ? kthread_park+0x90/0x90 [114032.830118] ret_from_fork+0x22/0x40 [114032.830124] ---[ end trace 5a351113a270c4cc ]--- [114032.830211] ------------[ cut here ]------------ [114032.830213] sysfs group 'power' not found for kobject 'i2c-11' [114032.830228] WARNING: CPU: 3 PID: 42300 at fs/sysfs/group.c:279 sysfs_remove_group+0x7c/0x80 [114032.830229] Modules linked in: vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) ccm binfmt_misc rfcomm cmac algif_hash algif_skcipher af_alg cdc_ether usbnet snd_usb_audio snd_usbmidi_lib usbhid r8152 mii bnep btusb btrtl btbcm btintel bluetooth ecdh_generic ecc uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common bonding aufs evdi(OE) snd_hda_codec_conexant snd_hda_codec_generic overlay ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd iwlmvm nls_iso8859_1 soundcore mac80211 libarc4 edac_mce_amd iwlwifi kvm_amd ccp kvm hp_wmi joydev input_leds sparse_keymap serio_raw wmi_bmof hid_multitouch cfg80211 ucsi_acpi typec_ucsi ipmi_devintf k10temp ipmi_msghandler typec mac_hid hp_wireless sch_fq_codel v4l2loopback(OE) videodev mc parport_pc ppdev lp parport ip_tables x_tables autofs4 raid10 raid456 async_raid6_recov async_memcpy async_pq [114032.830280] async_xor async_tx xor uas usb_storage raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic amdgpu crct10dif_pclmul crc32_pclmul amd_iommu_v2 ghash_clmulni_intel gpu_sched i2c_algo_bit ttm aesni_intel drm_kms_helper i2c_hid crypto_simd hid cryptd syscopyarea sysfillrect glue_helper psmouse sysimgblt nvme fb_sys_fops ahci i2c_piix4 drm libahci nvme_core r8169 realtek wmi video i2c_amd_mp2_plat i2c_amd_mp2_pci [114032.830314] CPU: 3 PID: 42300 Comm: kworker/3:0 Tainted: G W OE 5.4.0-42-generic #46-Ubuntu [114032.830320] Hardware name: HP HP EliteBook 755 G5/83D5, BIOS Q81 Ver. 01.10.00 01/03/2020 [114032.830334] Workqueue: events drm_dp_destroy_connector_work [drm_kms_helper] [114032.830338] RIP: 0010:sysfs_remove_group+0x7c/0x80 [114032.830342] Code: e7 e8 98 b9 ff ff 5b 41 5c 41 5d 5d c3 4c 89 e7 e8 e9 b4 ff ff eb c9 49 8b 55 00 48 8b 33 48 c7 c7 10 de b8 97 e8 6f 9f d1 ff <0f> 0b eb d8 0f 1f 44 00 00 48 85 f6 74 37 55 48 89 e5 41 55 41 54 [114032.830343] RSP: 0018:ffffabccc0363d28 EFLAGS: 00010282 [114032.830346] RAX: 0000000000000000 RBX: ffffffff978f3c60 RCX: 0000000000000006 [114032.830347] RDX: 0000000000000007 RSI: 0000000000000082 RDI: ffff9a4d5fcd78c0 [114032.830349] RBP: ffffabccc0363d40 R08: 0000000000000cbf R09: 0000000000000004 [114032.830351] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [114032.830353] R13: ffff9a4acd5388a8 R14: 0000000000000000 R15: dead000000000100 [114032.830355] FS: 0000000000000000(0000) GS:ffff9a4d5fcc0000(0000) knlGS:0000000000000000 [114032.830357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [114032.830358] CR2: 000055e429698c40 CR3: 000000040af48000 CR4: 00000000003406a0 [114032.830360] Call Trace: [114032.830366] dpm_sysfs_remove+0x59/0x60 [114032.830373] device_del+0x85/0x370 [114032.830380] device_unregister+0x1b/0x60 [114032.830388] i2c_del_adapter+0x238/0x300 [114032.830403] drm_dp_port_teardown_pdt+0x1f/0x40 [drm_kms_helper] [114032.830418] drm_dp_destroy_connector_work+0xa3/0x110 [drm_kms_helper] [114032.830425] process_one_work+0x1eb/0x3b0 [114032.830428] worker_thread+0x4d/0x400 [114032.830432] kthread+0x104/0x140 [114032.830435] ? process_one_work+0x3b0/0x3b0 [114032.830438] ? kthread_park+0x90/0x90 [114032.830442] ret_from_fork+0x22/0x40 [114032.830445] ---[ end trace 5a351113a270c4cd ]--- [114032.830481] [drm] DM_MST: Disabling connector: 00000000ebbb3631 [id: 138] [master: 00000000660e4f23] [114032.830674] ------------[ cut here ]------------ [114032.830676] sysfs group 'power' not found for kobject 'i2c-12' [114032.830691] WARNING: CPU: 3 PID: 42300 at fs/sysfs/group.c:279 sysfs_remove_group+0x7c/0x80 [114032.830692] Modules linked in: vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) ccm binfmt_misc rfcomm cmac algif_hash algif_skcipher af_alg cdc_ether usbnet snd_usb_audio snd_usbmidi_lib usbhid r8152 mii bnep btusb btrtl btbcm btintel bluetooth ecdh_generic ecc uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common bonding aufs evdi(OE) snd_hda_codec_conexant snd_hda_codec_generic overlay ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd iwlmvm nls_iso8859_1 soundcore mac80211 libarc4 edac_mce_amd iwlwifi kvm_amd ccp kvm hp_wmi joydev input_leds sparse_keymap serio_raw wmi_bmof hid_multitouch cfg80211 ucsi_acpi typec_ucsi ipmi_devintf k10temp ipmi_msghandler typec mac_hid hp_wireless sch_fq_codel v4l2loopback(OE) videodev mc parport_pc ppdev lp parport ip_tables x_tables autofs4 raid10 raid456 async_raid6_recov async_memcpy async_pq [114032.830748] async_xor async_tx xor uas usb_storage raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic amdgpu crct10dif_pclmul crc32_pclmul amd_iommu_v2 ghash_clmulni_intel gpu_sched i2c_algo_bit ttm aesni_intel drm_kms_helper i2c_hid crypto_simd hid cryptd syscopyarea sysfillrect glue_helper psmouse sysimgblt nvme fb_sys_fops ahci i2c_piix4 drm libahci nvme_core r8169 realtek wmi video i2c_amd_mp2_plat i2c_amd_mp2_pci [114032.830774] CPU: 3 PID: 42300 Comm: kworker/3:0 Tainted: G W OE 5.4.0-42-generic #46-Ubuntu [114032.830776] Hardware name: HP HP EliteBook 755 G5/83D5, BIOS Q81 Ver. 01.10.00 01/03/2020 [114032.830789] Workqueue: events drm_dp_destroy_connector_work [drm_kms_helper] [114032.830793] RIP: 0010:sysfs_remove_group+0x7c/0x80 [114032.830797] Code: e7 e8 98 b9 ff ff 5b 41 5c 41 5d 5d c3 4c 89 e7 e8 e9 b4 ff ff eb c9 49 8b 55 00 48 8b 33 48 c7 c7 10 de b8 97 e8 6f 9f d1 ff <0f> 0b eb d8 0f 1f 44 00 00 48 85 f6 74 37 55 48 89 e5 41 55 41 54 [114032.830798] RSP: 0018:ffffabccc0363c18 EFLAGS: 00010286 [114032.830800] RAX: 0000000000000000 RBX: ffffffff978f3c60 RCX: 0000000000000006 [114032.830802] RDX: 0000000000000007 RSI: 0000000000000086 RDI: ffff9a4d5fcd78c0 [114032.830804] RBP: ffffabccc0363c30 R08: 0000000000000ce1 R09: 0000000000000004 [114032.830805] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [114032.830806] R13: ffff9a4d135fd018 R14: ffffffffc0369140 R15: ffffffffc0369140 [114032.830809] FS: 0000000000000000(0000) GS:ffff9a4d5fcc0000(0000) knlGS:0000000000000000 [114032.830810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [114032.830812] CR2: 000055e429698c40 CR3: 000000040af48000 CR4: 00000000003406a0 [114032.830813] Call Trace: [114032.830818] dpm_sysfs_remove+0x59/0x60 [114032.830822] device_del+0x85/0x370 [114032.830827] cdev_device_del+0x1a/0x40 [114032.830831] i2cdev_detach_adapter+0x87/0xc0 [114032.830834] i2cdev_notifier_call+0x21/0x40 [114032.830838] notifier_call_chain+0x55/0x80 [114032.830841] blocking_notifier_call_chain+0x50/0x70 [114032.830845] device_del+0x7d/0x370 [114032.830848] device_unregister+0x1b/0x60 [114032.830851] i2c_del_adapter+0x238/0x300 [114032.830864] drm_dp_port_teardown_pdt+0x1f/0x40 [drm_kms_helper] [114032.830876] drm_dp_destroy_connector_work+0xa3/0x110 [drm_kms_helper] [114032.830880] process_one_work+0x1eb/0x3b0 [114032.830884] worker_thread+0x4d/0x400 [114032.830887] kthread+0x104/0x140 [114032.830890] ? process_one_work+0x3b0/0x3b0 [114032.830893] ? kthread_park+0x90/0x90 [114032.830897] ret_from_fork+0x22/0x40 [114032.830900] ---[ end trace 5a351113a270c4ce ]--- [114032.830972] ------------[ cut here ]------------ [114032.830973] sysfs group 'power' not found for kobject 'i2c-12' [114032.830988] WARNING: CPU: 3 PID: 42300 at fs/sysfs/group.c:279 sysfs_remove_group+0x7c/0x80 [114032.830989] Modules linked in: vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) ccm binfmt_misc rfcomm cmac algif_hash algif_skcipher af_alg cdc_ether usbnet snd_usb_audio snd_usbmidi_lib usbhid r8152 mii bnep btusb btrtl btbcm btintel bluetooth ecdh_generic ecc uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common bonding aufs evdi(OE) snd_hda_codec_conexant snd_hda_codec_generic overlay ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd iwlmvm nls_iso8859_1 soundcore mac80211 libarc4 edac_mce_amd iwlwifi kvm_amd ccp kvm hp_wmi joydev input_leds sparse_keymap serio_raw wmi_bmof hid_multitouch cfg80211 ucsi_acpi typec_ucsi ipmi_devintf k10temp ipmi_msghandler typec mac_hid hp_wireless sch_fq_codel v4l2loopback(OE) videodev mc parport_pc ppdev lp parport ip_tables x_tables autofs4 raid10 raid456 async_raid6_recov async_memcpy async_pq [114032.831035] async_xor async_tx xor uas usb_storage raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic amdgpu crct10dif_pclmul crc32_pclmul amd_iommu_v2 ghash_clmulni_intel gpu_sched i2c_algo_bit ttm aesni_intel drm_kms_helper i2c_hid crypto_simd hid cryptd syscopyarea sysfillrect glue_helper psmouse sysimgblt nvme fb_sys_fops ahci i2c_piix4 drm libahci nvme_core r8169 realtek wmi video i2c_amd_mp2_plat i2c_amd_mp2_pci [114032.831060] CPU: 3 PID: 42300 Comm: kworker/3:0 Tainted: G W OE 5.4.0-42-generic #46-Ubuntu [114032.831061] Hardware name: HP HP EliteBook 755 G5/83D5, BIOS Q81 Ver. 01.10.00 01/03/2020 [114032.831075] Workqueue: events drm_dp_destroy_connector_work [drm_kms_helper] [114032.831079] RIP: 0010:sysfs_remove_group+0x7c/0x80 [114032.831082] Code: e7 e8 98 b9 ff ff 5b 41 5c 41 5d 5d c3 4c 89 e7 e8 e9 b4 ff ff eb c9 49 8b 55 00 48 8b 33 48 c7 c7 10 de b8 97 e8 6f 9f d1 ff <0f> 0b eb d8 0f 1f 44 00 00 48 85 f6 74 37 55 48 89 e5 41 55 41 54 [114032.831083] RSP: 0018:ffffabccc0363d28 EFLAGS: 00010282 [114032.831085] RAX: 0000000000000000 RBX: ffffffff978f3c60 RCX: 0000000000000006 [114032.831087] RDX: 0000000000000007 RSI: 0000000000000082 RDI: ffff9a4d5fcd78c0 [114032.831088] RBP: ffffabccc0363d40 R08: 0000000000000d08 R09: 0000000000000004 [114032.831090] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [114032.831091] R13: ffff9a4acd53c0a8 R14: 0000000000000000 R15: dead000000000100 [114032.831093] FS: 0000000000000000(0000) GS:ffff9a4d5fcc0000(0000) knlGS:0000000000000000 [114032.831095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [114032.831097] CR2: 00007fbd37923b50 CR3: 000000029fc7a000 CR4: 00000000003406a0 [114032.831098] Call Trace: [114032.831103] dpm_sysfs_remove+0x59/0x60 [114032.831106] device_del+0x85/0x370 [114032.831110] device_unregister+0x1b/0x60 [114032.831113] i2c_del_adapter+0x238/0x300 [114032.831126] drm_dp_port_teardown_pdt+0x1f/0x40 [drm_kms_helper] [114032.831138] drm_dp_destroy_connector_work+0xa3/0x110 [drm_kms_helper] [114032.831145] process_one_work+0x1eb/0x3b0 [114032.831149] worker_thread+0x4d/0x400 [114032.831152] kthread+0x104/0x140 [114032.831155] ? process_one_work+0x3b0/0x3b0 [114032.831158] ? kthread_park+0x90/0x90 [114032.831162] ret_from_fork+0x22/0x40 [114032.831165] ---[ end trace 5a351113a270c4cf ]--- [114032.862036] usb 3-1: USB disconnect, device number 26 [114032.862042] usb 3-1.4: USB disconnect, device number 27 [114032.862045] usb 3-1.4.1: USB disconnect, device number 28 [114032.877458] usb 2-1.3.2.2: USB disconnect, device number 60 [114041.376327] [drm] DM_MST: starting TM on aconnector: 00000000660e4f23 [id: 77] [114042.979440] xhci_hcd 0000:04:00.3: Abort failed to stop command ring: -110 [114042.991236] xhci_hcd 0000:04:00.3: xHCI host controller not responding, assume dead [114042.991274] xhci_hcd 0000:04:00.3: HC died; cleaning up [114042.991360] xhci_hcd 0000:04:00.3: Timeout while waiting for configure endpoint command [114042.991498] usb 2-1.3.3: Not enough bandwidth for altsetting 1 [114042.991505] usb 2-1.3.3: 2:1: usb_set_interface failed (-19) [114042.991777] usb 2-1.3.3: Not enough bandwidth for altsetting 1 [114042.991781] usb 2-1.3.3: 2:1: usb_set_interface failed (-19) [114042.991912] usb 2-1.3.3: Not enough bandwidth for altsetting 1 [114042.991915] usb 2-1.3.3: 2:1: usb_set_interface failed (-19) [114042.991995] usb 3-1.4.2: USB disconnect, device number 29 [114042.992317] usb 2-1.3.3: Not enough bandwidth for altsetting 1 [114042.992320] usb 2-1.3.3: 2:1: usb_set_interface failed (-19) [114042.992734] usb 2-1.3.3: Not enough bandwidth for altsetting 1 [114042.992750] usb 2-1.3.3: 2:1: usb_set_interface failed (-19) [114043.000555] usb 2-1.3.3: USB disconnect, device number 55 [114043.088595] usb 2-1.4: USB disconnect, device number 52 [114043.089026] usb 2-1.5: USB disconnect, device number 54 [114174.360298] [drm] DM_MST: stopping TM on aconnector: 00000000660e4f23 [id: 77] [114183.233629] hp_wmi: Unknown event_id - 131073 - 0x0 [114183.361752] [drm] DM_MST: starting TM on aconnector: 00000000660e4f23 [id: 77] [114185.226069] [drm] DM_MST: added connector: 000000004cc54bdf [id: 95] [master: 00000000660e4f23] [114185.226485] [drm] DM_MST: added connector: 000000006ebb9f66 [id: 143] [master: 00000000660e4f23] [114190.338022] [drm] SADs count is: 0, don't need to read it [114190.730262] [drm] SADs count is: 0, don't need to read it [114608.899292] xhci_hcd 0000:04:00.3: remove, state 1 [114608.899298] usb usb3: USB disconnect, device number 1 [114608.899700] xhci_hcd 0000:04:00.3: USB bus 3 deregistered [114608.899711] xhci_hcd 0000:04:00.3: remove, state 1 [114608.899714] usb usb2: USB disconnect, device number 1 [114608.900363] xhci_hcd 0000:04:00.3: USB bus 2 deregistered [114608.900592] xhci_hcd 0000:04:00.4: remove, state 4 [114608.900597] usb usb5: USB disconnect, device number 1 [114608.900810] xhci_hcd 0000:04:00.4: USB bus 5 deregistered [114608.900824] xhci_hcd 0000:04:00.4: remove, state 4 [114608.900829] usb usb4: USB disconnect, device number 1 [114608.900832] usb 4-1: USB disconnect, device number 2 [114608.900834] usb 4-1.1: USB disconnect, device number 4 [114608.901623] usb 4-1.3: USB disconnect, device number 5 [114608.902557] usb 4-2: USB disconnect, device number 3 [114609.038694] xhci_hcd 0000:04:00.4: Host halt failed, -110 [114609.038697] xhci_hcd 0000:04:00.4: Host controller not halted, aborting reset. [114609.038937] xhci_hcd 0000:04:00.4: USB bus 4 deregistered