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[ 103.063469] usb 1-1.2.4: USB disconnect, device number 7
[ 103.073699] uvcvideo: Failed to resubmit video URB (-19).
[ 103.083996] uvcvideo: Failed to resubmit video URB (-19).
[ 103.094235] uvcvideo: Failed to resubmit video URB (-19).
[ 103.104494] uvcvideo: Failed to resubmit video URB (-19).
[ 103.114613] uvcvideo: Failed to resubmit video URB (-19).
[ 103.373918] usb 1-1.2.4: new high-speed USB device number 8 using dwc_otg
[ 103.755352] usb 1-1.2.4: New USB device found, idVendor=046d, idProduct=0821
[ 103.767300] usb 1-1.2.4: New USB device strings: Mfr=0, Product=0, SerialNumber=1
[ 103.779561] usb 1-1.2.4: SerialNumber: 427295D0
[ 104.263718] uvcvideo: Found UVC 1.00 device <unnamed> (046d:0821)
[ 104.290045] input: UVC Camera (046d:0821) as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.2/1-1.2.4/1-1.2.4:1.2/input/input3
[ 423.826544] ------------[ cut here ]------------
[ 423.836249] WARNING: CPU: 1 PID: 1022 at fs/sysfs/group.c:224 sysfs_remove_group+0x9c/0xa8()
[ 423.849839] sysfs group 8084d7f0 not found for kobject 'input2'
[ 423.860995] Modules linked in: ctr ccm ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_filter ip_tables x_tables bridge stp llc arc4 ath9k_htc ath9k_common ath9k_hw ath mac80211 cfg80211 joydev evdev rfkill bcm2835_gpiomem uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev snd_usb_audio snd_usbmidi_lib media snd_hwdep snd_rawmidi snd_seq_device uio_pdrv_genirq uio snd_bcm2835 snd_pcm snd_timer snd fuse ipv6
[ 423.924337] CPU: 1 PID: 1022 Comm: mjpg_streamer Not tainted 4.1.7-v7+ #817
[ 423.937010] Hardware name: BCM2709
[ 423.946084] [<80018440>] (unwind_backtrace) from [<80013e0c>] (show_stack+0x20/0x24)
[ 423.959607] [<80013e0c>] (show_stack) from [<80558548>] (dump_stack+0x98/0xe0)
[ 423.972650] [<80558548>] (dump_stack) from [<80026a4c>] (warn_slowpath_common+0x8c/0xc8)
[ 423.986601] [<80026a4c>] (warn_slowpath_common) from [<80026ac8>] (warn_slowpath_fmt+0x40/0x48)
[ 424.001236] [<80026ac8>] (warn_slowpath_fmt) from [<801b3e4c>] (sysfs_remove_group+0x9c/0xa8)
[ 424.015708] [<801b3e4c>] (sysfs_remove_group) from [<801b3e8c>] (sysfs_remove_groups+0x34/0x44)
[ 424.030446] [<801b3e8c>] (sysfs_remove_groups) from [<8036f5bc>] (device_remove_attrs+0x60/0x7c)
[ 424.045252] [<8036f5bc>] (device_remove_attrs) from [<8036ffb8>] (device_del+0x108/0x200)
[ 424.059462] [<8036ffb8>] (device_del) from [<80409954>] (__input_unregister_device+0x130/0x154)
[ 424.074194] [<80409954>] (__input_unregister_device) from [<8040ab70>] (input_unregister_device+0x50/0x80)
[ 424.089981] [<8040ab70>] (input_unregister_device) from [<7f18d1a8>] (uvc_status_cleanup+0x40/0x44 [uvcvideo])
[ 424.106146] [<7f18d1a8>] (uvc_status_cleanup [uvcvideo]) from [<7f183310>] (uvc_delete+0x1c/0x138 [uvcvideo])
[ 424.122288] [<7f183310>] (uvc_delete [uvcvideo]) from [<7f183570>] (uvc_release+0x4c/0x50 [uvcvideo])
[ 424.137740] [<7f183570>] (uvc_release [uvcvideo]) from [<7f1377b8>] (v4l2_device_release+0xc0/0xe8 [videodev])
[ 424.154071] [<7f1377b8>] (v4l2_device_release [videodev]) from [<8036f71c>] (device_release+0x3c/0xa0)
[ 424.169716] [<8036f71c>] (device_release) from [<802f6438>] (kobject_cleanup+0x4c/0x7c)
[ 424.184150] [<802f6438>] (kobject_cleanup) from [<802f631c>] (kobject_put+0x58/0x84)
[ 424.198345] [<802f631c>] (kobject_put) from [<8036fa30>] (put_device+0x24/0x28)
[ 424.212143] [<8036fa30>] (put_device) from [<7f137510>] (v4l2_release+0x5c/0x84 [videodev])
[ 424.227045] [<7f137510>] (v4l2_release [videodev]) from [<801464e4>] (__fput+0x90/0x1cc)
[ 424.241630] [<801464e4>] (__fput) from [<80146698>] (____fput+0x18/0x1c)
[ 424.254792] [<80146698>] (____fput) from [<80040afc>] (task_work_run+0xc0/0xf0)
[ 424.268560] [<80040afc>] (task_work_run) from [<80028c90>] (do_exit+0x320/0xa64)
[ 424.282491] [<80028c90>] (do_exit) from [<80029470>] (do_group_exit+0x50/0xcc)
[ 424.296229] [<80029470>] (do_group_exit) from [<80033ed4>] (get_signal+0x2b0/0x6e0)
[ 424.310450] [<80033ed4>] (get_signal) from [<80013170>] (do_signal+0x74/0x3ac)
[ 424.324176] [<80013170>] (do_signal) from [<80013690>] (do_work_pending+0xb8/0xc8)
[ 424.338301] [<80013690>] (do_work_pending) from [<8000f9e4>] (work_pending+0xc/0x20)
[ 424.352650] ---[ end trace f352233d7f8c5eb5 ]---
[ 424.363882] ------------[ cut here ]------------
[ 424.375079] WARNING: CPU: 1 PID: 1022 at fs/sysfs/group.c:224 sysfs_remove_group+0x9c/0xa8()
[ 424.390172] sysfs group 8084d728 not found for kobject 'input2'
[ 424.402737] Modules linked in: ctr ccm ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_filter ip_tables x_tables bridge stp llc arc4 ath9k_htc ath9k_common ath9k_hw ath mac80211 cfg80211 joydev evdev rfkill bcm2835_gpiomem uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev snd_usb_audio snd_usbmidi_lib media snd_hwdep snd_rawmidi snd_seq_device uio_pdrv_genirq uio snd_bcm2835 snd_pcm snd_timer snd fuse ipv6
[ 424.470752] CPU: 1 PID: 1022 Comm: mjpg_streamer Tainted: G W 4.1.7-v7+ #817
[ 424.486287] Hardware name: BCM2709
[ 424.497082] [<80018440>] (unwind_backtrace) from [<80013e0c>] (show_stack+0x20/0x24)
[ 424.512363] [<80013e0c>] (show_stack) from [<80558548>] (dump_stack+0x98/0xe0)
[ 424.527240] [<80558548>] (dump_stack) from [<80026a4c>] (warn_slowpath_common+0x8c/0xc8)
[ 424.543046] [<80026a4c>] (warn_slowpath_common) from [<80026ac8>] (warn_slowpath_fmt+0x40/0x48)
[ 424.559554] [<80026ac8>] (warn_slowpath_fmt) from [<801b3e4c>] (sysfs_remove_group+0x9c/0xa8)
[ 424.575877] [<801b3e4c>] (sysfs_remove_group) from [<801b3e8c>] (sysfs_remove_groups+0x34/0x44)
[ 424.592399] [<801b3e8c>] (sysfs_remove_groups) from [<8036f5bc>] (device_remove_attrs+0x60/0x7c)
[ 424.609041] [<8036f5bc>] (device_remove_attrs) from [<8036ffb8>] (device_del+0x108/0x200)
[ 424.625060] [<8036ffb8>] (device_del) from [<80409954>] (__input_unregister_device+0x130/0x154)
[ 424.641650] [<80409954>] (__input_unregister_device) from [<8040ab70>] (input_unregister_device+0x50/0x80)
[ 424.659176] [<8040ab70>] (input_unregister_device) from [<7f18d1a8>] (uvc_status_cleanup+0x40/0x44 [uvcvideo])
[ 424.677034] [<7f18d1a8>] (uvc_status_cleanup [uvcvideo]) from [<7f183310>] (uvc_delete+0x1c/0x138 [uvcvideo])
[ 424.694766] [<7f183310>] (uvc_delete [uvcvideo]) from [<7f183570>] (uvc_release+0x4c/0x50 [uvcvideo])
[ 424.711863] [<7f183570>] (uvc_release [uvcvideo]) from [<7f1377b8>] (v4l2_device_release+0xc0/0xe8 [videodev])
[ 424.729588] [<7f1377b8>] (v4l2_device_release [videodev]) from [<8036f71c>] (device_release+0x3c/0xa0)
[ 424.746408] [<8036f71c>] (device_release) from [<802f6438>] (kobject_cleanup+0x4c/0x7c)
[ 424.761680] [<802f6438>] (kobject_cleanup) from [<802f631c>] (kobject_put+0x58/0x84)
[ 424.776702] [<802f631c>] (kobject_put) from [<8036fa30>] (put_device+0x24/0x28)
[ 424.791285] [<8036fa30>] (put_device) from [<7f137510>] (v4l2_release+0x5c/0x84 [videodev])
[ 424.806932] [<7f137510>] (v4l2_release [videodev]) from [<801464e4>] (__fput+0x90/0x1cc)
[ 424.822307] [<801464e4>] (__fput) from [<80146698>] (____fput+0x18/0x1c)
[ 424.836288] [<80146698>] (____fput) from [<80040afc>] (task_work_run+0xc0/0xf0)
[ 424.850850] [<80040afc>] (task_work_run) from [<80028c90>] (do_exit+0x320/0xa64)
[ 424.865492] [<80028c90>] (do_exit) from [<80029470>] (do_group_exit+0x50/0xcc)
[ 424.879977] [<80029470>] (do_group_exit) from [<80033ed4>] (get_signal+0x2b0/0x6e0)
[ 424.894887] [<80033ed4>] (get_signal) from [<80013170>] (do_signal+0x74/0x3ac)
[ 424.909374] [<80013170>] (do_signal) from [<80013690>] (do_work_pending+0xb8/0xc8)
[ 424.924198] [<80013690>] (do_work_pending) from [<8000f9e4>] (work_pending+0xc/0x20)
[ 424.939152] ---[ end trace f352233d7f8c5eb6 ]---
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