We are using an UVC camera with TX2, capturing at fix resolution and format. We set the video stream on and off on the fly, and eventually the camera will stop streaming with following issue. We are using R28.1.
[ 4924.099096] xhci-tegra 3530000.xhci: Ring expansion failed
[ 4924.158310] xhci-tegra 3530000.xhci: Ring expansion failed
[ 4924.158471] uvcvideo: Failed to submit URB 61 (-12).
[ 4924.283168] uvcvideo: Failed to resubmit video URB (-12).
[ 4924.347856] xhci-tegra 3530000.xhci: Ring expansion failed
[ 4924.413365] uvcvideo: Failed to resubmit video URB (-12).
[ 4924.478046] xhci-tegra 3530000.xhci: Ring expansion failed
[ 4924.543559] uvcvideo: Failed to resubmit video URB (-12).
[ 4924.608234] uvcvideo: Failed to resubmit video URB (-1).
[ 4924.716657] xhci-tegra 3530000.xhci: tegra_xhci_mbox_work mailbox command 6
[ 4924.787851] ------------[ cut here ]------------
[ 4924.842827] WARNING: at ffffffc00074f1f8 [verbose debug info unavailable]
[ 4924.924073] Modules linked in: iptable_filter ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat ip_tables rfcomm bnep hci_uart snd_usb_audio uvcvideo snd_hwdep snd_usbmidi_lib videobuf2_vmalloc bcmdhd cfg80211 pci_tegra bluedroid_pm
[ 4925.221450] CPU: 4 PID: 1182 Comm: cpn Not tainted 4.4.38 #59
[ 4925.299679] Hardware name: quill (DT)
[ 4925.343451] task: ffffffc07a9d8c80 ti: ffffffc1d25fc000 task.ti: ffffffc1d25fc000
[ 4925.433037] PC is at vb2_start_streaming+0xc8/0x148
[ 4925.491364] LR is at vb2_start_streaming+0x64/0x148
[ 4925.549649] pc : [<ffffffc00074f1f8>] lr : [<ffffffc00074f194>] pstate: 20000045
[ 4925.638217] sp : ffffffc1d25ffb50
[ 4925.677789] x29: ffffffc1d25ffb50 x28: ffffffc001280520
[ 4925.753733] x27: 0000000000000001 x26: ffffffc1d25ffd30
[ 4925.817309] x25: 0000000000000000 x24: ffffffbffd1082a8
[ 4925.880883] x23: ffffffc1e1761f80 x22: ffffffc1e2708900
[ 4925.944457] x21: ffffffc0593df6b0 x20: ffffffc0593df698
[ 4926.008032] x19: 00000000fffffff4 x18: 0000000000000014
[ 4926.071608] x17: 0000007f9b5cdf68 x16: ffffffc0001d7394
[ 4926.135183] x15: 001dcd6500000000 x14: ffffffc000f8d1e0
[ 4926.198757] x13: 000000008002f0c0 x12: 0000000000000008
[ 4926.262332] x11: 0101010101010101 x10: 7f7f7f7f7f7f7f7f
[ 4926.325907] x9 : 66646b687568714f x8 : 7f7f7f7f7f7f7f7f
[ 4926.389481] x7 : 0000000040000000 x6 : 0000000000210d00
[ 4926.453057] x5 : ffffffbffd104da0 x4 : 0000000000000000
[ 4926.516633] x3 : 0000000000000000 x2 : 000000000000297e
[ 4926.580205] x1 : 0000000000000000 x0 : 00000000fffffff4
[ 4926.661528] ---[ end trace 5db50a21020ab674 ]---
[ 4926.704376] Call trace:
[ 4926.733533] [<ffffffc00074f1f8>] vb2_start_streaming+0xc8/0x148
[ 4926.804352] [<ffffffc0007509a4>] vb2_core_streamon+0x138/0x168
[ 4926.874139] [<ffffffc000752720>] vb2_streamon+0x3c/0x60
[ 4926.936650] [<ffffffbffd100174>] uvc_queue_streamon+0x2c/0x48 [uvcvideo]
[ 4927.016845] [<ffffffbffd101298>] uvc_ioctl_streamon+0x3c/0x68 [uvcvideo]
[ 4927.097041] [<ffffffc000738cc4>] v4l_streamon+0x1c/0x24
[ 4927.159511] [<ffffffc00073cce0>] __video_do_ioctl+0x224/0x298
[ 4927.228282] [<ffffffc00073c758>] video_usercopy+0x22c/0x574
[ 4927.294942] [<ffffffc00073cab4>] video_ioctl2+0x14/0x1c
[ 4927.357430] [<ffffffc000737a9c>] v4l2_ioctl+0xbc/0xcc
[ 4927.417847] [<ffffffc0001d528c>] do_vfs_ioctl+0x328/0x5e8
[ 4927.482411] [<ffffffc0001d55d0>] SyS_ioctl+0x84/0x98
[ 4927.541796] [<ffffffc000084ff0>] el0_svc_naked+0x24/0x28