[23195.466391] usb 1-2.4: USB disconnect, device number 60
[23195.483869] ------------[ cut here ]------------
[23195.483870] sysfs group 'power' not found for kobject 'event8'
[23195.483878] WARNING: CPU: 7 PID: 21209 at /build/linux-hwe-XZxzsI/linux-hwe-4.18.0/fs/sysfs/group.c:241 sysfs_remove_group+0x80/0x90
[23195.483879] Modules linked in: btrfs zstd_compress xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c rfcomm cpuid hid_generic usbhid hid thunderbolt unix_diag xt_multiport iptable_filter bpfilter cmac bnep snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic nvidia_uvm(POE) nvidia_drm(POE) nvidia_modeset(POE) arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp nvidia(POE) coretemp kvm_intel kvm irqbypass nls_iso8859_1 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc dell_laptop dell_wmi wmi_bmof dell_smbios sparse_keymap aesni_intel intel_wmi_thunderbolt mxm_wmi dell_wmi_descriptor dcdbas iwlmvm dell_smm_hwmon aes_x86_64 snd_hda_intel crypto_simd mac80211 snd_hda_codec cryptd snd_usb_audio glue_helper snd_hda_core snd_usbmidi_lib snd_hwdep intel_cstate i915 snd_seq_midi
[23195.483922]  uvcvideo intel_rapl_perf snd_seq_midi_event snd_seq videobuf2_vmalloc snd_rawmidi btusb iwlwifi videobuf2_memops snd_seq_device snd_pcm btrtl videobuf2_v4l2 ipmi_devintf btbcm drm_kms_helper videobuf2_common btintel ipmi_msghandler videodev drm snd_timer bluetooth media joydev input_leds snd i2c_algo_bit serio_raw fb_sys_fops rtsx_pci_ms soundcore syscopyarea ecdh_generic sysfillrect memstick cfg80211 processor_thermal_device mei_me sysimgblt mei intel_pch_thermal intel_soc_dts_iosf int3400_thermal int3402_thermal int3403_thermal acpi_thermal_rel int340x_thermal_zone mac_hid acpi_pad video wmi dell_rbtn dell_smo8800 sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 uas usb_storage rtsx_pci_sdmmc e1000e psmouse ahci rtsx_pci libahci
[23195.483956] CPU: 7 PID: 21209 Comm: v4l_capture_sam Tainted: P        W  OE     4.18.0-23-generic #24~18.04.1-Ubuntu
[23195.483957] Hardware name: Dell Inc. Precision 7710/0R7JMV, BIOS 1.9.4 11/04/2016
[23195.483959] RIP: 0010:sysfs_remove_group+0x80/0x90
[23195.483959] Code: e8 a5 ba ff ff 5b 41 5c 41 5d 5d c3 48 89 df e8 76 b7 ff ff eb c6 49 8b 55 00 49 8b 34 24 48 c7 c7 f0 11 b1 89 e8 60 b2 d5 ff <0f> 0b 5b 41 5c 41 5d 5d c3 0f 1f 80 00 00 00 00 0f 1f 44 00 00 48
[23195.483983] RSP: 0018:ffffa0d685957ba0 EFLAGS: 00010286
[23195.483984] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000006
[23195.483985] RDX: 0000000000000007 RSI: 0000000000000086 RDI: ffff8d1a4ddd64b0
[23195.483986] RBP: ffffa0d685957bb8 R08: 0000000000001275 R09: 0000000000000004
[23195.483987] R10: ffffa0d685957b10 R11: 0000000000000001 R12: ffffffff898ae400
[23195.483987] R13: ffff8d183d84c0b8 R14: ffff8d1a339d48c8 R15: ffff8d199f753240
[23195.483989] FS:  00007ffff7fd4740(0000) GS:ffff8d1a4ddc0000(0000) knlGS:0000000000000000
[23195.483989] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[23195.483990] CR2: 00007f6b41f62160 CR3: 000000034460a006 CR4: 00000000003606e0
[23195.483991] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[23195.483992] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[23195.483993] Call Trace:
[23195.483997]  dpm_sysfs_remove+0x57/0x60
[23195.483999]  device_del+0x5a/0x360
[23195.484002]  ? synchronize_sched+0x5d/0x80
[23195.484004]  cdev_device_del+0x1a/0x40
[23195.484006]  evdev_disconnect+0x2a/0x60
[23195.484008]  __input_unregister_device+0xbd/0x180
[23195.484010]  input_unregister_device+0x47/0x60
[23195.484014]  uvc_status_cleanup+0x42/0x50 [uvcvideo]
[23195.484016]  uvc_delete+0x24/0x170 [uvcvideo]
[23195.484018]  uvc_release+0x2f/0x40 [uvcvideo]
[23195.484022]  v4l2_device_release+0xda/0x100 [videodev]
[23195.484025]  device_release+0x35/0x90
[23195.484027]  kobject_release+0x72/0x180
[23195.484028]  kobject_put+0x28/0x50
[23195.484030]  put_device+0x17/0x20
[23195.484033]  v4l2_release+0x50/0x90 [videodev]
[23195.484034]  __fput+0xea/0x220
[23195.484036]  ____fput+0xe/0x10
[23195.484038]  task_work_run+0x9d/0xc0
[23195.484040]  do_exit+0x2eb/0xb30
[23195.484043]  ? __do_page_fault+0x270/0x4d0
[23195.484044]  do_group_exit+0x43/0xb0
[23195.484046]  __x64_sys_exit_group+0x18/0x20
[23195.484048]  do_syscall_64+0x5a/0x120
[23195.484050]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[23195.484052] RIP: 0033:0x7ffff7520e06
[23195.484052] Code: Bad RIP value.
[23195.484056] RSP: 002b:00007fffffffd708 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[23195.484057] RAX: ffffffffffffffda RBX: 00007ffff7823740 RCX: 00007ffff7520e06
[23195.484058] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001
[23195.484059] RBP: 0000000000000001 R08: 00000000000000e7 R09: ffffffffffffff60
[23195.484060] R10: 00007ffff709d168 R11: 0000000000000246 R12: 00007ffff7823740
[23195.484061] R13: 0000000000000007 R14: 00007ffff782c628 R15: 0000000000000000
[23195.484062] ---[ end trace 9417a49651490996 ]---
[23195.527868] ------------[ cut here ]------------
[23195.527870] sysfs group 'power' not found for kobject 'input61'
[23195.527878] WARNING: CPU: 7 PID: 21209 at /build/linux-hwe-XZxzsI/linux-hwe-4.18.0/fs/sysfs/group.c:241 sysfs_remove_group+0x80/0x90
[23195.527879] Modules linked in: btrfs zstd_compress xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c rfcomm cpuid hid_generic usbhid hid thunderbolt unix_diag xt_multiport iptable_filter bpfilter cmac bnep snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic nvidia_uvm(POE) nvidia_drm(POE) nvidia_modeset(POE) arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp nvidia(POE) coretemp kvm_intel kvm irqbypass nls_iso8859_1 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc dell_laptop dell_wmi wmi_bmof dell_smbios sparse_keymap aesni_intel intel_wmi_thunderbolt mxm_wmi dell_wmi_descriptor dcdbas iwlmvm dell_smm_hwmon aes_x86_64 snd_hda_intel crypto_simd mac80211 snd_hda_codec cryptd snd_usb_audio glue_helper snd_hda_core snd_usbmidi_lib snd_hwdep intel_cstate i915 snd_seq_midi
[23195.527911]  uvcvideo intel_rapl_perf snd_seq_midi_event snd_seq videobuf2_vmalloc snd_rawmidi btusb iwlwifi videobuf2_memops snd_seq_device snd_pcm btrtl videobuf2_v4l2 ipmi_devintf btbcm drm_kms_helper videobuf2_common btintel ipmi_msghandler videodev drm snd_timer bluetooth media joydev input_leds snd i2c_algo_bit serio_raw fb_sys_fops rtsx_pci_ms soundcore syscopyarea ecdh_generic sysfillrect memstick cfg80211 processor_thermal_device mei_me sysimgblt mei intel_pch_thermal intel_soc_dts_iosf int3400_thermal int3402_thermal int3403_thermal acpi_thermal_rel int340x_thermal_zone mac_hid acpi_pad video wmi dell_rbtn dell_smo8800 sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 uas usb_storage rtsx_pci_sdmmc e1000e psmouse ahci rtsx_pci libahci
[23195.527954] CPU: 7 PID: 21209 Comm: v4l_capture_sam Tainted: P        W  OE     4.18.0-23-generic #24~18.04.1-Ubuntu
[23195.527956] Hardware name: Dell Inc. Precision 7710/0R7JMV, BIOS 1.9.4 11/04/2016
[23195.527961] RIP: 0010:sysfs_remove_group+0x80/0x90
[23195.527961] Code: e8 a5 ba ff ff 5b 41 5c 41 5d 5d c3 48 89 df e8 76 b7 ff ff eb c6 49 8b 55 00 49 8b 34 24 48 c7 c7 f0 11 b1 89 e8 60 b2 d5 ff <0f> 0b 5b 41 5c 41 5d 5d c3 0f 1f 80 00 00 00 00 0f 1f 44 00 00 48
[23195.527982] RSP: 0018:ffffa0d685957be8 EFLAGS: 00010286
[23195.527983] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000006
[23195.527984] RDX: 0000000000000007 RSI: 0000000000000096 RDI: ffff8d1a4ddd64b0
[23195.527984] RBP: ffffa0d685957c00 R08: 00000000000012ac R09: 0000000000000004
[23195.527985] R10: ffffa0d685957bc8 R11: 0000000000000001 R12: ffffffff898ae400
[23195.527986] R13: ffff8d1994264230 R14: ffff8d1a339d48c8 R15: ffff8d199f753240
[23195.527987] FS:  00007ffff7fd4740(0000) GS:ffff8d1a4ddc0000(0000) knlGS:0000000000000000
[23195.527988] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[23195.527988] CR2: 000055e7c3753a50 CR3: 000000034460a006 CR4: 00000000003606e0
[23195.527989] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[23195.527990] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[23195.527990] Call Trace:
[23195.527995]  dpm_sysfs_remove+0x57/0x60
[23195.527996]  device_del+0x5a/0x360
[23195.527999]  __input_unregister_device+0x156/0x180
[23195.528000]  input_unregister_device+0x47/0x60
[23195.528004]  uvc_status_cleanup+0x42/0x50 [uvcvideo]
[23195.528005]  uvc_delete+0x24/0x170 [uvcvideo]
[23195.528007]  uvc_release+0x2f/0x40 [uvcvideo]
[23195.528011]  v4l2_device_release+0xda/0x100 [videodev]
[23195.528013]  device_release+0x35/0x90
[23195.528015]  kobject_release+0x72/0x180
[23195.528016]  kobject_put+0x28/0x50
[23195.528017]  put_device+0x17/0x20
[23195.528020]  v4l2_release+0x50/0x90 [videodev]
[23195.528022]  __fput+0xea/0x220
[23195.528023]  ____fput+0xe/0x10
[23195.528025]  task_work_run+0x9d/0xc0
[23195.528027]  do_exit+0x2eb/0xb30
[23195.528029]  ? __do_page_fault+0x270/0x4d0
[23195.528031]  do_group_exit+0x43/0xb0
[23195.528032]  __x64_sys_exit_group+0x18/0x20
[23195.528034]  do_syscall_64+0x5a/0x120
[23195.528036]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[23195.528037] RIP: 0033:0x7ffff7520e06
[23195.528037] Code: Bad RIP value.
[23195.528041] RSP: 002b:00007fffffffd708 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[23195.528042] RAX: ffffffffffffffda RBX: 00007ffff7823740 RCX: 00007ffff7520e06
[23195.528043] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001
[23195.528043] RBP: 0000000000000001 R08: 00000000000000e7 R09: ffffffffffffff60
[23195.528044] R10: 00007ffff709d168 R11: 0000000000000246 R12: 00007ffff7823740
[23195.528045] R13: 0000000000000007 R14: 00007ffff782c628 R15: 0000000000000000
[23195.528046] ---[ end trace 9417a49651490997 ]---
[23195.528053] ------------[ cut here ]------------
[23195.528053] sysfs group 'id' not found for kobject 'input61'
[23195.528058] WARNING: CPU: 7 PID: 21209 at /build/linux-hwe-XZxzsI/linux-hwe-4.18.0/fs/sysfs/group.c:241 sysfs_remove_group+0x80/0x90
[23195.528058] Modules linked in: btrfs zstd_compress xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c rfcomm cpuid hid_generic usbhid hid thunderbolt unix_diag xt_multiport iptable_filter bpfilter cmac bnep snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic nvidia_uvm(POE) nvidia_drm(POE) nvidia_modeset(POE) arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp nvidia(POE) coretemp kvm_intel kvm irqbypass nls_iso8859_1 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc dell_laptop dell_wmi wmi_bmof dell_smbios sparse_keymap aesni_intel intel_wmi_thunderbolt mxm_wmi dell_wmi_descriptor dcdbas iwlmvm dell_smm_hwmon aes_x86_64 snd_hda_intel crypto_simd mac80211 snd_hda_codec cryptd snd_usb_audio glue_helper snd_hda_core snd_usbmidi_lib snd_hwdep intel_cstate i915 snd_seq_midi
[23195.528082]  uvcvideo intel_rapl_perf snd_seq_midi_event snd_seq videobuf2_vmalloc snd_rawmidi btusb iwlwifi videobuf2_memops snd_seq_device snd_pcm btrtl videobuf2_v4l2 ipmi_devintf btbcm drm_kms_helper videobuf2_common btintel ipmi_msghandler videodev drm snd_timer bluetooth media joydev input_leds snd i2c_algo_bit serio_raw fb_sys_fops rtsx_pci_ms soundcore syscopyarea ecdh_generic sysfillrect memstick cfg80211 processor_thermal_device mei_me sysimgblt mei intel_pch_thermal intel_soc_dts_iosf int3400_thermal int3402_thermal int3403_thermal acpi_thermal_rel int340x_thermal_zone mac_hid acpi_pad video wmi dell_rbtn dell_smo8800 sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 uas usb_storage rtsx_pci_sdmmc e1000e psmouse ahci rtsx_pci libahci
[23195.528106] CPU: 7 PID: 21209 Comm: v4l_capture_sam Tainted: P        W  OE     4.18.0-23-generic #24~18.04.1-Ubuntu
[23195.528107] Hardware name: Dell Inc. Precision 7710/0R7JMV, BIOS 1.9.4 11/04/2016
[23195.528108] RIP: 0010:sysfs_remove_group+0x80/0x90
[23195.528108] Code: e8 a5 ba ff ff 5b 41 5c 41 5d 5d c3 48 89 df e8 76 b7 ff ff eb c6 49 8b 55 00 49 8b 34 24 48 c7 c7 f0 11 b1 89 e8 60 b2 d5 ff <0f> 0b 5b 41 5c 41 5d 5d c3 0f 1f 80 00 00 00 00 0f 1f 44 00 00 48
[23195.528141] RSP: 0018:ffffa0d685957bb0 EFLAGS: 00010286
[23195.528142] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000006
[23195.528143] RDX: 0000000000000007 RSI: 0000000000000082 RDI: ffff8d1a4ddd64b0
[23195.528144] RBP: ffffa0d685957bc8 R08: 00000000000012e0 R09: 0000000000000004
[23195.528144] R10: ffffa0d685957bc8 R11: 0000000000000001 R12: ffffffff898f83e0
[23195.528145] R13: ffff8d1994264230 R14: ffffffff898f82a0 R15: ffff8d199f753240
[23195.528146] FS:  00007ffff7fd4740(0000) GS:ffff8d1a4ddc0000(0000) knlGS:0000000000000000
[23195.528147] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[23195.528147] CR2: 00007ffff7520ddc CR3: 000000034460a006 CR4: 00000000003606e0
[23195.528148] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[23195.528149] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[23195.528149] Call Trace:
[23195.528151]  sysfs_remove_groups+0x2e/0x50
[23195.528153]  device_remove_attrs+0x58/0x80
[23195.528154]  device_del+0x135/0x360
[23195.528156]  __input_unregister_device+0x156/0x180
[23195.528157]  input_unregister_device+0x47/0x60
[23195.528160]  uvc_status_cleanup+0x42/0x50 [uvcvideo]
[23195.528162]  uvc_delete+0x24/0x170 [uvcvideo]
[23195.528163]  uvc_release+0x2f/0x40 [uvcvideo]
[23195.528167]  v4l2_device_release+0xda/0x100 [videodev]
[23195.528168]  device_release+0x35/0x90
[23195.528170]  kobject_release+0x72/0x180
[23195.528171]  kobject_put+0x28/0x50
[23195.528173]  put_device+0x17/0x20
[23195.528175]  v4l2_release+0x50/0x90 [videodev]
[23195.528176]  __fput+0xea/0x220
[23195.528178]  ____fput+0xe/0x10
[23195.528179]  task_work_run+0x9d/0xc0
[23195.528181]  do_exit+0x2eb/0xb30
[23195.528183]  ? __do_page_fault+0x270/0x4d0
[23195.528184]  do_group_exit+0x43/0xb0
[23195.528186]  __x64_sys_exit_group+0x18/0x20
[23195.528188]  do_syscall_64+0x5a/0x120
[23195.528189]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[23195.528190] RIP: 0033:0x7ffff7520e06
[23195.528191] Code: Bad RIP value.
[23195.528193] RSP: 002b:00007fffffffd708 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[23195.528194] RAX: ffffffffffffffda RBX: 00007ffff7823740 RCX: 00007ffff7520e06
[23195.528195] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001
[23195.528195] RBP: 0000000000000001 R08: 00000000000000e7 R09: ffffffffffffff60
[23195.528196] R10: 00007ffff709d168 R11: 0000000000000246 R12: 00007ffff7823740
[23195.528197] R13: 0000000000000007 R14: 00007ffff782c628 R15: 0000000000000000
[23195.528198] ---[ end trace 9417a49651490998 ]---
[23195.528202] ------------[ cut here ]------------
[23195.528203] sysfs group 'capabilities' not found for kobject 'input61'
[23195.528207] WARNING: CPU: 7 PID: 21209 at /build/linux-hwe-XZxzsI/linux-hwe-4.18.0/fs/sysfs/group.c:241 sysfs_remove_group+0x80/0x90
[23195.528207] Modules linked in: btrfs zstd_compress xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c rfcomm cpuid hid_generic usbhid hid thunderbolt unix_diag xt_multiport iptable_filter bpfilter cmac bnep snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic nvidia_uvm(POE) nvidia_drm(POE) nvidia_modeset(POE) arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp nvidia(POE) coretemp kvm_intel kvm irqbypass nls_iso8859_1 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc dell_laptop dell_wmi wmi_bmof dell_smbios sparse_keymap aesni_intel intel_wmi_thunderbolt mxm_wmi dell_wmi_descriptor dcdbas iwlmvm dell_smm_hwmon aes_x86_64 snd_hda_intel crypto_simd mac80211 snd_hda_codec cryptd snd_usb_audio glue_helper snd_hda_core snd_usbmidi_lib snd_hwdep intel_cstate i915 snd_seq_midi
[23195.528230]  uvcvideo intel_rapl_perf snd_seq_midi_event snd_seq videobuf2_vmalloc snd_rawmidi btusb iwlwifi videobuf2_memops snd_seq_device snd_pcm btrtl videobuf2_v4l2 ipmi_devintf btbcm drm_kms_helper videobuf2_common btintel ipmi_msghandler videodev drm snd_timer bluetooth media joydev input_leds snd i2c_algo_bit serio_raw fb_sys_fops rtsx_pci_ms soundcore syscopyarea ecdh_generic sysfillrect memstick cfg80211 processor_thermal_device mei_me sysimgblt mei intel_pch_thermal intel_soc_dts_iosf int3400_thermal int3402_thermal int3403_thermal acpi_thermal_rel int340x_thermal_zone mac_hid acpi_pad video wmi dell_rbtn dell_smo8800 sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 uas usb_storage rtsx_pci_sdmmc e1000e psmouse ahci rtsx_pci libahci
[23195.528254] CPU: 7 PID: 21209 Comm: v4l_capture_sam Tainted: P        W  OE     4.18.0-23-generic #24~18.04.1-Ubuntu
[23195.528254] Hardware name: Dell Inc. Precision 7710/0R7JMV, BIOS 1.9.4 11/04/2016
[23195.528255] RIP: 0010:sysfs_remove_group+0x80/0x90
[23195.528255] Code: e8 a5 ba ff ff 5b 41 5c 41 5d 5d c3 48 89 df e8 76 b7 ff ff eb c6 49 8b 55 00 49 8b 34 24 48 c7 c7 f0 11 b1 89 e8 60 b2 d5 ff <0f> 0b 5b 41 5c 41 5d 5d c3 0f 1f 80 00 00 00 00 0f 1f 44 00 00 48
[23195.528276] RSP: 0018:ffffa0d685957bb0 EFLAGS: 00010286
[23195.528277] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000006
[23195.528277] RDX: 0000000000000007 RSI: 0000000000000082 RDI: ffff8d1a4ddd64b0
[23195.528278] RBP: ffffa0d685957bc8 R08: 0000000000001315 R09: 0000000000000004
[23195.528279] R10: ffffa0d685957bc8 R11: 0000000000000001 R12: ffffffff898f83a0
[23195.528279] R13: ffff8d1994264230 R14: ffffffff898f82a0 R15: ffff8d199f753240
[23195.528280] FS:  00007ffff7fd4740(0000) GS:ffff8d1a4ddc0000(0000) knlGS:0000000000000000
[23195.528281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[23195.528282] CR2: 00007ffff7520ddc CR3: 000000034460a006 CR4: 00000000003606e0
[23195.528282] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[23195.528283] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[23195.528283] Call Trace:
[23195.528285]  sysfs_remove_groups+0x2e/0x50
[23195.528286]  device_remove_attrs+0x58/0x80
[23195.528287]  device_del+0x135/0x360
[23195.528289]  __input_unregister_device+0x156/0x180
[23195.528291]  input_unregister_device+0x47/0x60
[23195.528293]  uvc_status_cleanup+0x42/0x50 [uvcvideo]
[23195.528294]  uvc_delete+0x24/0x170 [uvcvideo]
[23195.528296]  uvc_release+0x2f/0x40 [uvcvideo]
[23195.528299]  v4l2_device_release+0xda/0x100 [videodev]
[23195.528301]  device_release+0x35/0x90
[23195.528302]  kobject_release+0x72/0x180
[23195.528303]  kobject_put+0x28/0x50
[23195.528304]  put_device+0x17/0x20
[23195.528307]  v4l2_release+0x50/0x90 [videodev]
[23195.528308]  __fput+0xea/0x220
[23195.528309]  ____fput+0xe/0x10
[23195.528310]  task_work_run+0x9d/0xc0
[23195.528312]  do_exit+0x2eb/0xb30
[23195.528314]  ? __do_page_fault+0x270/0x4d0
[23195.528316]  do_group_exit+0x43/0xb0
[23195.528317]  __x64_sys_exit_group+0x18/0x20
[23195.528319]  do_syscall_64+0x5a/0x120
[23195.528320]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[23195.528321] RIP: 0033:0x7ffff7520e06
[23195.528321] Code: Bad RIP value.
[23195.528323] RSP: 002b:00007fffffffd708 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[23195.528324] RAX: ffffffffffffffda RBX: 00007ffff7823740 RCX: 00007ffff7520e06
[23195.528325] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001
[23195.528326] RBP: 0000000000000001 R08: 00000000000000e7 R09: ffffffffffffff60
[23195.528326] R10: 00007ffff709d168 R11: 0000000000000246 R12: 00007ffff7823740
[23195.528327] R13: 0000000000000007 R14: 00007ffff782c628 R15: 0000000000000000
[23195.528328] ---[ end trace 9417a49651490999 ]---
[23195.528366] ------------[ cut here ]------------
[23195.528367] sysfs group 'power' not found for kobject 'media0'
[23195.528372] WARNING: CPU: 7 PID: 21209 at /build/linux-hwe-XZxzsI/linux-hwe-4.18.0/fs/sysfs/group.c:241 sysfs_remove_group+0x80/0x90
[23195.528373] Modules linked in: btrfs zstd_compress xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c rfcomm cpuid hid_generic usbhid hid thunderbolt unix_diag xt_multiport iptable_filter bpfilter cmac bnep snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic nvidia_uvm(POE) nvidia_drm(POE) nvidia_modeset(POE) arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp nvidia(POE) coretemp kvm_intel kvm irqbypass nls_iso8859_1 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc dell_laptop dell_wmi wmi_bmof dell_smbios sparse_keymap aesni_intel intel_wmi_thunderbolt mxm_wmi dell_wmi_descriptor dcdbas iwlmvm dell_smm_hwmon aes_x86_64 snd_hda_intel crypto_simd mac80211 snd_hda_codec cryptd snd_usb_audio glue_helper snd_hda_core snd_usbmidi_lib snd_hwdep intel_cstate i915 snd_seq_midi
[23195.528405]  uvcvideo intel_rapl_perf snd_seq_midi_event snd_seq videobuf2_vmalloc snd_rawmidi btusb iwlwifi videobuf2_memops snd_seq_device snd_pcm btrtl videobuf2_v4l2 ipmi_devintf btbcm drm_kms_helper videobuf2_common btintel ipmi_msghandler videodev drm snd_timer bluetooth media joydev input_leds snd i2c_algo_bit serio_raw fb_sys_fops rtsx_pci_ms soundcore syscopyarea ecdh_generic sysfillrect memstick cfg80211 processor_thermal_device mei_me sysimgblt mei intel_pch_thermal intel_soc_dts_iosf int3400_thermal int3402_thermal int3403_thermal acpi_thermal_rel int340x_thermal_zone mac_hid acpi_pad video wmi dell_rbtn dell_smo8800 sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 uas usb_storage rtsx_pci_sdmmc e1000e psmouse ahci rtsx_pci libahci
[23195.528428] CPU: 7 PID: 21209 Comm: v4l_capture_sam Tainted: P        W  OE     4.18.0-23-generic #24~18.04.1-Ubuntu
[23195.528429] Hardware name: Dell Inc. Precision 7710/0R7JMV, BIOS 1.9.4 11/04/2016
[23195.528430] RIP: 0010:sysfs_remove_group+0x80/0x90
[23195.528430] Code: e8 a5 ba ff ff 5b 41 5c 41 5d 5d c3 48 89 df e8 76 b7 ff ff eb c6 49 8b 55 00 49 8b 34 24 48 c7 c7 f0 11 b1 89 e8 60 b2 d5 ff <0f> 0b 5b 41 5c 41 5d 5d c3 0f 1f 80 00 00 00 00 0f 1f 44 00 00 48
[23195.528451] RSP: 0018:ffffa0d685957bc8 EFLAGS: 00010286
[23195.528452] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000006
[23195.528452] RDX: 0000000000000007 RSI: 0000000000000096 RDI: ffff8d1a4ddd64b0
[23195.528453] RBP: ffffa0d685957be0 R08: 000000000000134a R09: 0000000000000004
[23195.528454] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff898ae400
[23195.528454] R13: ffff8d183d849c20 R14: ffff8d183d84b138 R15: ffff8d183d84b148
[23195.528455] FS:  00007ffff7fd4740(0000) GS:ffff8d1a4ddc0000(0000) knlGS:0000000000000000
[23195.528456] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[23195.528456] CR2: 00007ffff7520ddc CR3: 000000034460a006 CR4: 00000000003606e0
[23195.528457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[23195.528458] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[23195.528458] Call Trace:
[23195.528460]  dpm_sysfs_remove+0x57/0x60
[23195.528462]  device_del+0x5a/0x360
[23195.528464]  cdev_device_del+0x1a/0x40
[23195.528466]  media_devnode_unregister+0x2e/0x50 [media]
[23195.528468]  media_device_unregister+0x14b/0x180 [media]
[23195.528470]  uvc_delete+0x166/0x170 [uvcvideo]
[23195.528472]  uvc_release+0x2f/0x40 [uvcvideo]
[23195.528475]  v4l2_device_release+0xda/0x100 [videodev]
[23195.528477]  device_release+0x35/0x90
[23195.528478]  kobject_release+0x72/0x180
[23195.528479]  kobject_put+0x28/0x50
[23195.528480]  put_device+0x17/0x20
[23195.528483]  v4l2_release+0x50/0x90 [videodev]
[23195.528484]  __fput+0xea/0x220
[23195.528485]  ____fput+0xe/0x10
[23195.528487]  task_work_run+0x9d/0xc0
[23195.528489]  do_exit+0x2eb/0xb30
[23195.528491]  ? __do_page_fault+0x270/0x4d0
[23195.528492]  do_group_exit+0x43/0xb0
[23195.528494]  __x64_sys_exit_group+0x18/0x20
[23195.528496]  do_syscall_64+0x5a/0x120
[23195.528497]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[23195.528498] RIP: 0033:0x7ffff7520e06
[23195.528498] Code: Bad RIP value.
[23195.528501] RSP: 002b:00007fffffffd708 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[23195.528502] RAX: ffffffffffffffda RBX: 00007ffff7823740 RCX: 00007ffff7520e06
[23195.528503] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001
[23195.528503] RBP: 0000000000000001 R08: 00000000000000e7 R09: ffffffffffffff60
[23195.528504] R10: 00007ffff709d168 R11: 0000000000000246 R12: 00007ffff7823740
[23195.528504] R13: 0000000000000007 R14: 00007ffff782c628 R15: 0000000000000000
[23195.528505] ---[ end trace 9417a4965149099a ]---