QEglFSImx6Hooks will set environment variable FB_MULTI_BUFFER=2 to enable double buffering and vsync.
 If this is not desired, you can override this via: export QT_EGLFS_IMX6_NO_FB_MULTI_BUFFER=1
unifi1:     1116699: MAC fault 0022, arg 0006 (x1)
unifi1: Firmware patch 1409
unifi1: unifi1 is wlan0
unifi1: UniFi ready
Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = ba084000
[00000000] *pgd=4fb85831, *pte=00000000, *ppte=00000000
Internal error: Oops: 17 [#1] PREEMPT SMP
Modules linked in: unifi_sdio
CPU: 0    Not tainted  (3.0.35-rt56 #1)
PC is at __raw_spin_lock+0x20/0x94
LR is at get_parent_ip+0x10/0x2c
pc : [<804288cc>]    lr : [<800673b4>]    psr: 60000013
sp : ba083c98  ip : 00000008  fp : ffdefa38
r10: ba083d38  r9 : bff727bc  r8 : ba082000
r7 : ba06e080  r6 : ba082000  r5 : 00000001  r4 : 00000000
r3 : 00000001  r2 : ba083c98  r1 : 8c00e270  r0 : 00000000
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 10c53c7d  Table: 4a08404a  DAC: 00000015
Process qmlscene (pid: 761, stack limit = 0xba0822f0)
Stack: (0xba083c98 to 0xba084000)
3c80:                                                       00000000 00000000
3ca0: bff72000 80427edc 8b907980 000002d0 00004000 80044abc 00000001 ba082000
3cc0: ba083cd4 80989dd4 bfb87340 ba055d7c 00000001 00000000 ba083cec 80067401
3ce0: ba06e080 ffdef848 00000000 bff72000 000001ef 00000000 bff727bc ba083d38
3d00: ffdefa38 802d4920 ba083d38 ffdef848 bfc53260 bfc531a0 bfa770e0 00000000
3d20: 000001d0 802d5298 bfc531a0 ba083d54 000001d0 802e5c14 bfba55a8 ba083df0
3d40: 00000002 ba083d84 ffdefa38 802e5cd8 00026c58 802d6320 bfc53260 bfc531a0
3d60: ba083df0 00000002 bfa770e0 802e4938 ba083d84 ba082000 bfa770fc ffdef848
3d80: ffdec000 00000008 000002f9 bfc530e0 00000000 ba083df0 000002f9 ba083de0
3da0: ba082000 bffcd460 00026c58 802dc3d8 00000000 00000001 00000000 00007530
3dc0: ba083e60 802da830 80033c14 00000000 8003396c 8003396c 00000001 ba082000
3de0: ba083df4 00000000 00000000 00000000 00000000 000002f9 ba06e080 ba082000
3e00: ba083e1c 80068ef4 8bfcdae0 809890c0 8094fc98 800374f0 8c0124f0 bfa1da00
3e20: ba082000 bfbb9960 00007530 bfa187b8 ba082000 7eec3520 00026c58 802d3f10
3e40: 7eec3578 00000000 000000a8 00000000 7eec3578 00000000 000000a8 00000000
3e60: 00000028 00000001 00000000 2ab27acc 00000000 00000000 00000001 00000000
3e80: 00000880 00005106 e02864ad c1f99eff eefbf2d9 02100284 00000000 00000000
3ea0: 00000008 00000040 00000100 00000001 00000008 00000200 00000001 00000200
3ec0: 00000100 00000000 0000000c 00000001 2c00b020 2c007428 2c00b07c 2c0f1350
3ee0: 00000000 2ab301b8 2aaccb20 2ab278c4 2ab27000 2c04a47c 05db4d33 032d58d6
3f00: 2c04b92c 00000258 00007530 bfe04220 7eec3520 bfe04220 bfa187b8 ba082000
3f20: 7eec3520 800fb6c8 8c00ecf8 bffe8800 ba082000 800e7484 8098a9b0 bfba44f0
3f40: 00000000 bfb1f424 2abc6000 800d4ed4 ffffffff bfba44f0 bfb1f420 800d6040
3f60: 2abc6000 80068e00 00007530 00000003 7eec3520 bfe04220 8003b284 ba082000
3f80: 00000000 800fbbbc 00000000 00000000 00000000 2c10710c 00007530 00002710
3fa0: 00000036 8003b100 2c10710c 00007530 00000003 00007530 7eec3520 00018008
3fc0: 2c10710c 00007530 00002710 00000036 000000a8 00000001 7eec3578 00026c58
3fe0: 2c1035d0 7eec3514 2c0f0268 2c35c06c 20000010 00000003 4fffe821 4fffec21
[<804288cc>] (__raw_spin_lock+0x20/0x94) from [<80427edc>] (rt_spin_lock_slowlock+0x30/0x234)
[<80427edc>] (rt_spin_lock_slowlock+0x30/0x234) from [<802d4920>] (_QueryProcessPageTable+0x80/0xd4)
[<802d4920>] (_QueryProcessPageTable+0x80/0xd4) from [<802d5298>] (gckOS_GetPhysicalAddress+0x20/0x58)
[<802d5298>] (gckOS_GetPhysicalAddress+0x20/0x58) from [<802e5c14>] (gckHARDWARE_ConvertLogical+0x2c/0x90)
[<802e5c14>] (gckHARDWARE_ConvertLogical+0x2c/0x90) from [<802e5cd8>] (gckHARDWARE_Link+0x60/0xfc)
[<802e5cd8>] (gckHARDWARE_Link+0x60/0xfc) from [<802e4938>] (gckCONTEXT_Construct+0x264/0x2bc)
[<802e4938>] (gckCONTEXT_Construct+0x264/0x2bc) from [<802dc3d8>] (gckCOMMAND_Attach+0x44/0x8c)
[<802dc3d8>] (gckCOMMAND_Attach+0x44/0x8c) from [<802da830>] (gckKERNEL_Dispatch+0x9e0/0x1148)
[<802da830>] (gckKERNEL_Dispatch+0x9e0/0x1148) from [<802d3f10>] (drv_ioctl+0x10c/0x264)
[<802d3f10>] (drv_ioctl+0x10c/0x264) from [<800fb6c8>] (do_vfs_ioctl+0x80/0x540)
[<800fb6c8>] (do_vfs_ioctl+0x80/0x540) from [<800fbbbc>] (sys_ioctl+0x34/0x60)
[<800fbbbc>] (sys_ioctl+0x34/0x60) from [<8003b100>] (ret_fast_syscall+0x0/0x30)
Code: e3c3603f e3a05001 e3a00001 ebf0faf6 (e1943f9f)
Segmentation fault