[ 1749.337092] Unable to handle kernel NULL pointer derefere4
[ 1749.345310] pgd = 80004000
[ 1749.348048] [00000104] *pgd=00000000
[ 1749.351675] Internal error: Oops: 817 [#1] SMP ARM
[ 1749.356528] Modules linked in: i2c_dev xr_usb_serial_common(O) tun rfcomm bn6
[ 1749.415303] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        WC O    4.4.32-v4
[ 1749.423064] Hardware name: BCM2709
[ 1749.426507] task: 80867ce8 ti: 80862000 task.ti: 80862000
[ 1749.431990] PC is at uvc_queue_next_buffer+0x78/0xe8 [uvcvideo]
[ 1749.437997] LR is at _raw_spin_lock_irqsave+0x24/0x68
[ 1749.443115] pc : [<7f16f4bc>]    lr : [<805bb624>]    psr: 60000193
[ 1749.443115] sp : 80863d28  ip : 00000100  fp : 80863d44
[ 1749.454757] r10: b0a7e400  r9 : b8a22af0  r8 : 0000001f
[ 1749.460051] r7 : bacf7400  r6 : b8a22c58  r5 : b8a22af0  r4 : b886d800
[ 1749.466666] r3 : 00000200  r2 : 00000100  r1 : 00000000  r0 : 60000193
[ 1749.473283] Flags: nZCv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment kel
[ 1749.480781] Control: 10c5383d  Table: 3896006a  DAC: 00000055
[ 1749.486604] Process swapper/0 (pid: 0, stack limit = 0x80862210)
[ 1749.492692] Stack: (0x80863d28 to 0x80864000)
[ 1749.497108] 3d20:                   00000001 b886d800 b8a22800 b0a7e5f0 80868
[ 1749.505402] 3d40: 7f172a54 7f16f450 7f17c200 b886d800 00000000 b886d800 b0a70
[ 1749.513695] 3d60: b8a22c58 8085b2d4 00000000 00000001 80863d9c 80863d80 7f170
[ 1749.521988] 3d80: b0a7e400 60000113 00000000 00000000 80863dbc 80863da0 8041c
[ 1749.530282] 3da0: b8b7aa40 b0a7e400 b0a7e400 00000000 80863ddc 80863dc0 8041c
[ 1749.538575] 3dc0: ba79fd28 b8b7aa40 b9036800 b0a7e400 80863e04 80863de0 8043c
[ 1749.546868] 3de0: b9880f5c 20000113 00000001 b9b4f800 b9b4f804 00000000 80868
[ 1749.555161] 3e00: 80449ccc 8043af28 80863e3c 80863e18 80029b6c 80449cb8 80020
[ 1749.563454] 3e20: 00000000 80862000 00000100 00000000 80863ea4 80863e40 80024
[ 1749.571748] 3e40: 80863e6c 80863e50 00000001 00200000 80864100 00023622 00000
[ 1749.580042] 3e60: 808c80a4 805bfe5c 8085b348 80864080 80863e40 00000001 8086c
[ 1749.588335] 3e80: 00000000 00000000 00000000 00000000 808c88d8 ba7ff740 80868
[ 1749.596628] 3ea0: 800296f4 80028f94 80346e34 8085d4ec 80863ee4 80863ec0 80074
[ 1749.604921] 3ec0: 80863f08 80010b38 60000013 ffffffff 80863f3c 805bfe5c 80868
[ 1749.613214] 3ee0: 80010a74 800712bc 80863f04 80863ef8 8000951c 80010a54 80868
[ 1749.621508] 3f00: 805bbc44 80009470 00000000 b9f623c8 00000000 00000000 8086c
[ 1749.629801] 3f20: 80864500 80864580 805bfe5c 808c88d8 ba7ff740 80863f64 80868
[ 1749.638095] 3f40: 80010b34 80010b38 60000013 ffffffff 80010b34 800d989c 80868
[ 1749.646388] 3f60: 8006404c 80010b10 80863f9c 80863f78 80064274 80064024 805cb
[ 1749.654682] 3f80: 80863f78 8085b3a4 805b7d5c ffffffff 80863fac 80863fa0 805bc
[ 1749.662976] 3fa0: 80863ff4 80863fb0 807ead34 805b6498 ffffffff ffffffff 0000c
[ 1749.671270] 3fc0: 00000000 80839a30 00000000 808d1294 80864560 80839a2c 8086a
[ 1749.679564] 3fe0: 410fd034 00000000 00000000 80863ff8 00008078 807ea964 00000
[ 1749.687886] [<7f16f4bc>] (uvc_queue_next_buffer [uvcvideo]) from [<7f172a54>)
[ 1749.699277] [<7f172a54>] (uvc_video_decode_isoc [uvcvideo]) from [<7f171610>)
[ 1749.710225] [<7f171610>] (uvc_video_complete [uvcvideo]) from [<80411ce0>] ()
[ 1749.720371] [<80411ce0>] (__usb_hcd_giveback_urb) from [<80411e0c>] (usb_hcd)
[ 1749.729639] [<80411e0c>] (usb_hcd_giveback_urb) from [<8043af88>] (completio)
[ 1749.738994] [<8043af88>] (completion_tasklet_func) from [<80449ccc>] (taskle)
[ 1749.747996] [<80449ccc>] (tasklet_callback) from [<80029b6c>] (tasklet_hi_ac)
[ 1749.756556] [<80029b6c>] (tasklet_hi_action) from [<80029114>] (__do_softirq)
[ 1749.764851] [<80029114>] (__do_softirq) from [<800296f4>] (irq_exit+0xdc/0x1)
[ 1749.772266] [<800296f4>] (irq_exit) from [<80071320>] (__handle_domain_irq+0)
[ 1749.780211] [<80071320>] (__handle_domain_irq) from [<80010a74>] (handle_IRQ)
[ 1749.788330] [<80010a74>] (handle_IRQ) from [<8000951c>] (bcm2836_arm_irqchip)
[ 1749.797419] [<8000951c>] (bcm2836_arm_irqchip_handle_irq) from [<805bbc44>] )
[ 1749.806416] Exception stack(0x80863f08 to 0x80863f50)
[ 1749.811537] 3f00:                   00000000 b9f623c8 00000000 00000000 8086c
[ 1749.819831] 3f20: 80864500 80864580 805bfe5c 808c88d8 ba7ff740 80863f64 80868
[ 1749.828122] 3f40: 80010b34 80010b38 60000013 ffffffff
[ 1749.833247] [<805bbc44>] (__irq_svc) from [<80010b38>] (arch_cpu_idle+0x34/0)
[ 1749.840749] [<80010b38>] (arch_cpu_idle) from [<8006404c>] (default_idle_cal)
[ 1749.848963] [<8006404c>] (default_idle_call) from [<80064274>] (cpu_startup_)
[ 1749.857702] [<80064274>] (cpu_startup_entry) from [<805b6514>] (rest_init+0x)
[ 1749.865560] [<805b6514>] (rest_init) from [<807ead34>] (start_kernel+0x3dc/0)
[ 1749.873150] Code: eb513053 e5943130 e594212c e3a0cc01 (e5823004)
[ 1749.879330] ---[ end trace 661f31f34deb3ccb ]---
[ 1749.884008] Kernel panic - not syncing: Fatal exception in interrupt
[ 1749.890452] CPU1: stopping
[ 1749.893195] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G      D WC O    4.4.32-v4
[ 1749.900956] Hardware name: BCM2709
[ 1749.904409] [<80018784>] (unwind_backtrace) from [<80014058>] (show_stack+0x)
[ 1749.912267] [<80014058>] (show_stack) from [<80321544>] (dump_stack+0xd4/0x1)
[ 1749.919682] [<80321544>] (dump_stack) from [<80016188>] (handle_IPI+0x2a4/0x)
[ 1749.927184] [<80016188>] (handle_IPI) from [<800094e4>] (bcm2836_arm_irqchip)
[ 1749.936273] [<800094e4>] (bcm2836_arm_irqchip_handle_irq) from [<805bbc44>] )
[ 1749.945269] Exception stack(0xb993bf48 to 0xb993bf90)
[ 1749.950389] bf40:                   00000000 b9f6f3c8 00000000 00000000 b993c
[ 1749.958683] bf60: 10c0387d 80864580 805bfe5c 808c88d8 00000000 b993bfa4 80868
[ 1749.966974] bf80: 80010b34 80010b38 60000013 ffffffff
[ 1749.972097] [<805bbc44>] (__irq_svc) from [<80010b38>] (arch_cpu_idle+0x34/0)
[ 1749.979600] [<80010b38>] (arch_cpu_idle) from [<8006404c>] (default_idle_cal)
[ 1749.987807] [<8006404c>] (default_idle_call) from [<80064274>] (cpu_startup_)
[ 1749.996544] [<80064274>] (cpu_startup_entry) from [<80015c88>] (secondary_st)
[ 1750.005718] [<80015c88>] (secondary_start_kernel) from [<000095ac>] (0x95ac)
[ 1750.012864] CPU3: stopping
[ 1750.015605] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G      D WC O    4.4.32-v4
[ 1750.023367] Hardware name: BCM2709
[ 1750.026817] [<80018784>] (unwind_backtrace) from [<80014058>] (show_stack+0x)
[ 1750.034672] [<80014058>] (show_stack) from [<80321544>] (dump_stack+0xd4/0x1)
[ 1750.042087] [<80321544>] (dump_stack) from [<80016188>] (handle_IPI+0x2a4/0x)
[ 1750.049588] [<80016188>] (handle_IPI) from [<800094e4>] (bcm2836_arm_irqchip)
[ 1750.058676] [<800094e4>] (bcm2836_arm_irqchip_handle_irq) from [<805bbc44>] )
[ 1750.067672] Exception stack(0xb993ff48 to 0xb993ff90)
[ 1750.072792] ff40:                   00000000 b9f893c8 00000000 00000000 b993c
[ 1750.081085] ff60: 10c0387d 80864580 805bfe5c 808c88d8 00000000 b993ffa4 80868
[ 1750.089377] ff80: 80010b34 80010b38 60000013 ffffffff
[ 1750.094499] [<805bbc44>] (__irq_svc) from [<80010b38>] (arch_cpu_idle+0x34/0)
[ 1750.102001] [<80010b38>] (arch_cpu_idle) from [<8006404c>] (default_idle_cal)
[ 1750.110210] [<8006404c>] (default_idle_call) from [<80064274>] (cpu_startup_)
[ 1750.118945] [<80064274>] (cpu_startup_entry) from [<80015c88>] (secondary_st)
[ 1750.128119] [<80015c88>] (secondary_start_kernel) from [<000095ac>] (0x95ac)
[ 1750.981836] SMP: failed to stop secondary CPUs
[ 1750.986340] ---[ end Kernel panic - not syncing: Fatal exception in interrupt