uvc-gadget 视频挂掉

 Unable to handle kernel paging request at virtual address ffffff80134ee000
[ 7456.586237] Mem abort info:
[ 7456.589014]   ESR = 0x96000007
[ 7456.592053]   Exception class = DABT (current EL), IL = 32 bits
[ 7456.597954]   SET = 0, FnV = 0
[ 7456.600992]   EA = 0, S1PTW = 0
[ 7456.604117] Data abort info:
[ 7456.606982]   ISV = 0, ISS = 0x00000007
[ 7456.610801]   CM = 0, WnR = 0
[ 7456.613755] swapper pgtable: 4k pages, 39-bit VAs, pgdp = 00000000ceb3d59e
[ 7456.620610] [ffffff80134ee000] pgd=000000087fffe803, pud=000000087fffe803, pmd=000000087865e003, pte=0000000000000000
[ 7456.631209] Internal error: Oops: 96000007 [#1] SMP
[ 7456.636069] Modules linked in: usb_f_uvc usb_f_fs libcomposite dwc3_haps dwc3 dwc3_of_simple dmaproxy(O) al5e(O) allegro(O) xlnx_vcu_clk xlnx_vcu xlnx_vcu_core uio_pdrv_genirq [last unloaded: dwc3_of_simple]
[ 7456.654500] CPU: 1 PID: 2393 Comm: usbpt-server Tainted: G        W  O      4.19.0 #1
[ 7456.662317] Hardware name: xlnx,zynqmp (DT)
[ 7456.666486] pstate: 20000085 (nzCv daIf -PAN -UAO)
[ 7456.671264] pc : __memcpy+0x12c/0x180
[ 7456.674923] lr : uvc_video_encode_isoc+0x90/0x108 [usb_f_uvc]
[ 7456.680650] sp : ffffff801306bad0
[ 7456.683948] x29: ffffff801306bad0 x28: ffffffc879fda440 
[ 7456.689251] x27: dead000000000100 x26: ffffffc87b10e9a4 
[ 7456.694546] x25: ffffffc87b10e768 x24: ffffffc879fda400 
[ 7456.699841] x23: ffffffc87b10e768 x22: ffffffc87b390000 
[ 7456.705136] x21: ffffffc87b10e6b8 x20: 0000000000000000 
[ 7456.710431] x19: 0000000000000bfe x18: 0000000000000000 
[ 7456.715725] x17: 0000000000000000 x16: 0000000000000000 
[ 7456.721020] x15: 0000000000000000 x14: 23df899a30049acd 
[ 7456.726315] x13: 464d1a8066340d98 x12: ab70c88ce5001428 
[ 7456.731610] x11: 6d03a0edd2648018 x10: 28826280d0726745 
[ 7456.736905] x9 : 40ad1f84031baef1 x8 : f22e23a6a9033866 
[ 7456.742200] x7 : 290259324d46608a x6 : ffffffc877959a44 
[ 7456.747495] x5 : ffffffc87b390000 x4 : 0000000000000002 
[ 7456.752789] x3 : 000000000000ac14 x2 : 000000000000017c 
[ 7456.758084] x1 : ffffff80134ee000 x0 : ffffffc877959002 
[ 7456.763381] Process usbpt-server (pid: 2393, stack limit = 0x00000000ec10adc7)
[ 7456.770584] Call trace:
[ 7456.773019]  __memcpy+0x12c/0x180
[ 7456.776330]  uvcg_video_pump+0xbc/0x228 [usb_f_uvc]
[ 7456.781196]  uvc_v4l2_qbuf+0x34/0x40 [usb_f_uvc]
[ 7456.785804]  v4l_qbuf+0x44/0x58
[ 7456.788935]  __video_do_ioctl+0x23c/0x498
[ 7456.792928]  video_usercopy+0x144/0x518
[ 7456.796747]  video_ioctl2+0x14/0x1c
[ 7456.800221]  v4l2_ioctl+0x3c/0x58
[ 7456.803528]  do_vfs_ioctl+0xb8/0x8a0
[ 7456.807094]  ksys_ioctl+0x44/0x90
[ 7456.810393]  __arm64_sys_ioctl+0x1c/0x28
[ 7456.814300]  el0_svc_common+0x84/0xd8
[ 7456.817953]  el0_svc_handler+0x68/0x80
[ 7456.821685]  el0_svc+0x8/0xc
[ 7456.824552] Code: a8c12829 a88130cb a8c1302b a88138cd (a8c1382d) 
[ 7456.830635] ---[ end trace e668153aa33db714 ]---