在应用层的代码：ioctl(vid_fp,VIDIOC_S_FMT,&format);
运行后出现：
Driver:Samsung FIMC Dris3c-fimc2,Card:s3c-fimc2,Capabities=0x4000007[10935.409047] Unable to handle kernel NULL pointer dereference at virtual address 0000036c
[10935.409124] pgd = cfe04000
[10935.409150] [0000036c] *pgd=2fe27031, *pte=00000000, *ppte=00000000
[10935.410142] Internal error: Oops: 17 [#2] PREEMPT
[10935.414818] last sysfs file: /sys/devices/virtual/vc/vcsa4/dev
[10935.420624] Modules linked in: rtl8192cu tvp5150_tiny210 snd_soc_mini210_wm8960 snd_soc_wm8960
[10935.429207] CPU: 0 Tainted: G D (2.6.35.7-FriendlyARM #1)
[10935.435716] PC is at fimc_s_fmt_vid_out+0x48/0xbc
[10935.440391] LR is at __video_do_ioctl+0xc54/0x3df4
[10935.445151] pc : [<c0433a80>] lr : [<c04235e4>] psr: 40000013
[10935.445156] sp : cfecbd18 ip : cfecbd40 fp : cfecbd3c
[10935.456587] r10: 00000000 r9 : cfe26300 r8 : cfe02f00
[10935.461786] r7 : 00000000 r6 : cfe26300 r5 : cf497b28 r4 : cf4bba00
[10935.468286] r3 : 00000000 r2 : cf4bba00 r1 : cfe26300 r0 : cfe02f00
[10935.474786] Flags: nZcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[10935.481891] Control: 10c5387d Table: 2fe04019 DAC: 00000015
[10935.487608]
[10935.487611] PC: 0xc0433a00:
[10935.491853] 3a00 c05f3b5c c07824a4 34424752 32315559 3132564e 3231564e 55595659 3631564e
[10935.499998] 3a20 50424752 59555956 59565955 56595559 c0782e61 c07831c2 e1a0c00d e92dddf0
[10935.508144] 3a40 e24cb004 e5915000 e1a08000 e5953188 e1a06001 e3130c01 e1a04002 e591a004
[10935.516289] 3a60 0a000003 e59f007c e5951000 e59f2078 eb0629c3 e595311c e3a07fbf e0273a97
[10935.524435] 3a80 e597336c e3530001 0a000006 e5953188 e3130001 0a000010 e5951000 e59f004c
[10935.532581] 3aa0 eb0629b7 ea00000c e1a00008 e1a01006 e1a02004 ebffff45 e2505000 ba000007
[10935.540726] 3ac0 e287c0b4 e2844004 e8b4000f e8ac000f e894000f e88c000f ea000000 e3e0500f
[10935.548872] 3ae0 e1a00005 e89dadf0 c0781888 c05f3b74 c07824a4 e1a0c00d e92dd9f0 e24cb004
[10935.557018]
[10935.557021] LR: 0xc0423564:
[10935.561263] 3564 e50b3084 e5943010 e5942004 e3530009 959f54d8 859f34d8 90853103 95933024
[10935.569408] 3584 e58d0008 e51b0084 e58de000 e58d000c e58dc004 e58d3010 e5943014 e2861f41
[10935.577554] 35a4 e58d3014 e5943018 e59f0498 e58d3018 e594301c e58d301c e51b307c eb066aef
[10935.585699] 35c4 e5973048 e3530000 03e05015 0a000c46 e1a0000a e1a01009 e1a02004 e12fff33
[10935.593845] 35e4 e1a05000 ea000c40 e284002c e3a010a0 ebfb3569 e597304c e3530000 03e05015
[10935.601990] 3604 0a000c39 e1a0000a e1a01009 e1a02004 e12fff33 e1a05000 ea000c33 e2840030
[10935.610136] 3624 e3a0109c ebfb355c e5973050 e3530000 03e05015 0a000c2c e1a0000a e1a01009
[10935.618282] 3644 e1a02004 e12fff33 e1a05000 ea000c26 e2840030 e3a0109c ebfb354f e5973054
[10935.626428]
[10935.626431] SP: 0xcfecbc98:
[10935.630673] bc98 cfecbcb4 cfecbca8 c0191634 c0191548 cfecbce4 ffffffff cfecbd04 cfe26300
[10935.638819] bcb8 00000000 cfe02f00 cfecbd3c cfecbcd0 c016ea6c c016e21c cfe02f00 cfe26300
[10935.646964] bcd8 cf4bba00 00000000 cf4bba00 cf497b28 cfe26300 00000000 cfe02f00 cfe26300
[10935.655110] bcf8 00000000 cfecbd3c cfecbd40 cfecbd18 c04235e4 c0433a80 40000013 ffffffff
[10935.663255] bd18 cf4bba00 000000cc c080b5c8 c05f3094 c0cc5605 cfe02f00 cfecbe14 cfecbd40
[10935.671401] bd38 c04235e4 c0433a44 c01cfc3c c01805f8 c07d7e48 00000012 cfecbd7c cfecbd60
[10935.679546] bd58 c01cfb28 c01cfc20 00000012 c07d7e48 00000000 60000093 cfecbd94 cfecbd80
[10935.687692] bd78 c05c0f54 c02fcb74 00000000 c07d7e48 cfecbdb4 cfecbd98 c01cefa8 c05c0f4c
[10935.695838]
[10935.695841] IP: 0xcfecbcc0:
[10935.700083] bcc0 cfecbd3c cfecbcd0 c016ea6c c016e21c cfe02f00 cfe26300 cf4bba00 00000000
[10935.708229] bce0 cf4bba00 cf497b28 cfe26300 00000000 cfe02f00 cfe26300 00000000 cfecbd3c
[10935.716374] bd00 cfecbd40 cfecbd18 c04235e4 c0433a80 40000013 ffffffff cf4bba00 000000cc
[10935.724520] bd20 c080b5c8 c05f3094 c0cc5605 cfe02f00 cfecbe14 cfecbd40 c04235e4 c0433a44
[10935.732665] bd40 c01cfc3c c01805f8 c07d7e48 00000012 cfecbd7c cfecbd60 c01cfb28 c01cfc20
[10935.740811] bd60 00000012 c07d7e48 00000000 60000093 cfecbd94 cfecbd80 c05c0f54 c02fcb74
[10935.748956] bd80 00000000 c07d7e48 cfecbdb4 cfecbd98 c01cefa8 c05c0f4c c07f3b24 00000000
[10935.757102] bda0 cf4ac000 c07850cf cfecbdcc cfecbdb8 c035a2b4 c01cef54 c07f3b24 cff9a800
[10935.765248]
[10935.765251] FP: 0xcfecbcbc:
[10935.769493] bcbc cfe02f00 cfecbd3c cfecbcd0 c016ea6c c016e21c cfe02f00 cfe26300 cf4bba00
[10935.777639] bcdc 00000000 cf4bba00 cf497b28 cfe26300 00000000 cfe02f00 cfe26300 00000000
[10935.785784] bcfc cfecbd3c cfecbd40 cfecbd18 c04235e4 c0433a80 40000013 ffffffff cf4bba00
[10935.793930] bd1c 000000cc c080b5c8 c05f3094 c0cc5605 cfe02f00 cfecbe14 cfecbd40 c04235e4
[10935.802075] bd3c c0433a44 c01cfc3c c01805f8 c07d7e48 00000012 cfecbd7c cfecbd60 c01cfb28
[10935.810221] bd5c c01cfc20 00000012 c07d7e48 00000000 60000093 cfecbd94 cfecbd80 c05c0f54
[10935.818366] bd7c c02fcb74 00000000 c07d7e48 cfecbdb4 cfecbd98 c01cefa8 c05c0f4c c07f3b24
[10935.826512] bd9c 00000000 cf4ac000 c07850cf cfecbdcc cfecbdb8 c035a2b4 c01cef54 c07f3b24
[10935.834658]
[10935.834661] R0: 0xcfe02e80:
[10935.838904] 2e80 ffffffff 00000000 00000000 00000000 00000000 00000000 cf49cf00 00000000
[10935.847049] 2ea0 00000000 00000000 00000000 00000020 00000000 00000000 ffffffff ffffffff
[10935.855194] 2ec0 00000000 00000000 cfd5f300 cfe02ecc cfe02ecc cf812fb4 00000000 00000000
[10935.863340] 2ee0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10935.871486] 2f00 cfd5dd80 cf48f49c cf52e480 cf9b6d80 c05f2a00 00000001 dead4ead ffffffff
[10935.879631] 2f20 ffffffff 00000001 00000002 0000001f 00000000 00000000 deaf1eed ffffffff
[10935.887777] 2f40 ffffffff 00000000 00000000 00000000 00000000 00000000 cfea9500 00000000
[10935.895922] 2f60 00000000 00000000 00000000 00000000 00000000 00000000 ffffffff ffffffff
[10935.904068]
[10935.904071] R1: 0xcfe26280:
[10935.908314] 6280 cf497b28 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10935.916459] 62a0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10935.924605] 62c0 00000001 00000000 cfd89630 00000000 00000000 00000000 cf49cd80 0000018e
[10935.932750] 62e0 c07d5fa0 00000000 c498d228 00000000 00000000 00000000 00000000 00000000
[10935.940896] 6300 cf497b28 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10935.949041] 6320 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10935.957187] 6340 cfe26400 cfe02900 c0213130 00100100 00200200 00000000 cf49cd80 cf80d750
[10935.965332] 6360 cf49cd80 cf80d750 00000000 00000000 00000000 00000000 00000000 00000000
[10935.973478]
[10935.973481] R2: 0xcf4bb980:
[10935.977724] b980 00000001 dead4ead ffffffff ffffffff cf4bb990 cf4bb990 00000000 00000000
[10935.985869] b9a0 00000000 00000000 00000000 cf4bb9ac cf4bb9ac 00000000 00700084 00000001
[10935.994015] b9c0 dead4ead ffffffff ffffffff cf4bb9cc cf4bb9cc cfcaa940 cfcaa950 cf4bb7d8
[10936.002160] b9e0 00000001 cfcacc40 00000000 c035afec 00000000 00000000 00000000 00000000
[10936.010306] ba00 00000002 00000320 000001e0 32315559 00000000 00000000 00000000 00000001
[10936.018451] ba20 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.026597] ba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.034742] ba60 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.042889]
[10936.042891] R4: 0xcf4bb980:
[10936.047134] b980 00000001 dead4ead ffffffff ffffffff cf4bb990 cf4bb990 00000000 00000000
[10936.055279] b9a0 00000000 00000000 00000000 cf4bb9ac cf4bb9ac 00000000 00700084 00000001
[10936.063425] b9c0 dead4ead ffffffff ffffffff cf4bb9cc cf4bb9cc cfcaa940 cfcaa950 cf4bb7d8
[10936.071570] b9e0 00000001 cfcacc40 00000000 c035afec 00000000 00000000 00000000 00000000
[10936.079716] ba00 00000002 00000320 000001e0 32315559 00000000 00000000 00000000 00000001
[10936.087861] ba20 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.096007] ba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.104152] ba60 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.112299]
[10936.112302] R5: 0xcf497aa8:
[10936.116544] 7aa8 00000000 00000000 00000000 00000000 00000000 00000320 000001e0 00000000
[10936.124690] 7ac8 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.132835] 7ae8 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.140980] 7b08 00000000 00000000 00000000 00000000 00000001 00000011 00000000 00000000
[10936.149126] 7b28 00000002 2d633373 636d6966 00000032 00000000 00000001 e2400000 c07c8934
[10936.157271] 7b48 cf49e640 347af000 01800000 347af000 00000001 00000001 dead4ead ffffffff
[10936.165417] 7b68 ffffffff cf497b6c cf497b6c cfeca000 00000000 cf497b58 00000001 00000001
[10936.173563] 7b88 dead4ead ffffffff ffffffff cf497b94 cf497b94 00000000 00000000 cf497b80
[10936.181709]
[10936.181711] R6: 0xcfe26280:
[10936.185954] 6280 cf497b28 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.194100] 62a0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.202245] 62c0 00000001 00000000 cfd89630 00000000 00000000 00000000 cf49cd80 0000018e
[10936.210391] 62e0 c07d5fa0 00000000 c498d228 00000000 00000000 00000000 00000000 00000000
[10936.218536] 6300 cf497b28 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.226682] 6320 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.234827] 6340 cfe26400 cfe02900 c0213130 00100100 00200200 00000000 cf49cd80 cf80d750
[10936.242973] 6360 cf49cd80 cf80d750 00000000 00000000 00000000 00000000 00000000 00000000
[10936.251119]
[10936.251122] R8: 0xcfe02e80:
[10936.255364] 2e80 ffffffff 00000000 00000000 00000000 00000000 00000000 cf49cf00 00000000
[10936.263510] 2ea0 00000000 00000000 00000000 00000020 00000000 00000000 ffffffff ffffffff
[10936.271655] 2ec0 00000000 00000000 cfd5f300 cfe02ecc cfe02ecc cf812fb4 00000000 00000000
[10936.279801] 2ee0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.287946] 2f00 cfd5dd80 cf48f49c cf52e480 cf9b6d80 c05f2a00 00000001 dead4ead ffffffff
[10936.296092] 2f20 ffffffff 00000001 00000002 0000001f 00000000 00000000 deaf1eed ffffffff
[10936.304237] 2f40 ffffffff 00000000 00000000 00000000 00000000 00000000 cfea9500 00000000
[10936.312383] 2f60 00000000 00000000 00000000 00000000 00000000 00000000 ffffffff ffffffff
[10936.320529]
[10936.320532] R9: 0xcfe26280:
[10936.324774] 6280 cf497b28 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.332920] 62a0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.341065] 62c0 00000001 00000000 cfd89630 00000000 00000000 00000000 cf49cd80 0000018e
[10936.349211] 62e0 c07d5fa0 00000000 c498d228 00000000 00000000 00000000 00000000 00000000
[10936.357356] 6300 cf497b28 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.365502] 6320 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[10936.373648] 6340 cfe26400 cfe02900 c0213130 00100100 00200200 00000000 cf49cd80 cf80d750
[10936.381793] 6360 cf49cd80 cf80d750 00000000 00000000 00000000 00000000 00000000 00000000
[10936.389941] Process testC (pid: 404, stack limit = 0xcfeca2f0)
[10936.395747] Stack: (0xcfecbd18 to 0xcfecc000)
[10936.400080] bd00: cf4bba00 000000cc
[10936.408229] bd20: c080b5c8 c05f3094 c0cc5605 cfe02f00 cfecbe14 cfecbd40 c04235e4 c0433a44
[10936.416375] bd40: c01cfc3c c01805f8 c07d7e48 00000012 cfecbd7c cfecbd60 c01cfb28 c01cfc20
[10936.424520] bd60: 00000012 c07d7e48 00000000 60000093 cfecbd94 cfecbd80 c05c0f54 c02fcb74
[10936.432666] bd80: 00000000 c07d7e48 cfecbdb4 cfecbd98 c01cefa8 c05c0f4c c07f3b24 00000000
[10936.440812] bda0: cf4ac000 c07850cf cfecbdcc cfecbdb8 c035a2b4 c01cef54 c07f3b24 cff9a800
[10936.448957] bdc0: cff9a800 60000013 cfecbdec cfecbdd8 c05c0f54 c02fcb74 cff9a800 c07f3b24
[10936.457102] bde0: cfecbe0c cfecbdf0 cfecbe14 c0cc5605 000000cc cf4bba00 00000000 cf4bba00
[10936.465248] be00: 000110c4 00000000 cfecbed4 cfecbe18 c0426a60 c042299c c07f3b24 cfe02f00
[10936.473393] be20: 00000003 00000000 cfecbe8c cfed0845 00000000 cf4b4000 00200200 60000013
[10936.481538] be40: cfecbe64 60000013 cfecbee0 00000001 00000001 00000004 00000000 60000013
[10936.489684] be60: cfecbe84 cfecbe70 c05c0f54 c02fcb74 00000000 cf4ac13c cfecbeb4 cfecbe88
[10936.497830] be80: c018ea24 c05c0f4c 3b9aca00 a0000013 cf4a5600 cf82fad8 cfecbebc cfecbea8
[10936.505975] bea0: c0322920 c02f154c cf4ac000 cfe02f00 000110c4 c0cc5605 00000003 c016f168
[10936.514121] bec0: cfeca000 00000000 cfecbef4 cfecbed8 c0421b6c c0426790 000110c4 cfe02f00
[10936.522266] bee0: 000110c4 c0cc5605 cfecbf14 cfecbef8 c0206f30 c0421b38 cf9b9380 cfe02f00
[10936.530412] bf00: 000110c4 000110c4 cfecbf7c cfecbf18 c02079b0 c0206eb8 00000000 00000002
[10936.538558] bf20: cf814870 cf82fa80 cfeca000 00000000 cfecbf6c cfecbf40 c01f98ec c0227e94
[10936.546702] bf40: 00000000 00000000 c0933460 cf4b4000 4001f000 00000000 cfe02f00 000110c4
[10936.554848] bf60: c0cc5605 00000003 c016f168 cfeca000 cfecbfa4 cfecbf80 c0207a4c c020748c
[10936.562993] bf80: cfeca000 00000000 00000000 00000000 00000000 00000036 00000000 cfecbfa8
[10936.571139] bfa0: c016efc0 c0207a18 00000000 00000000 00000003 c0cc5605 000110c4 000110c4
[10936.579284] bfc0: 00000000 00000000 00000000 00000036 00000000 00000000 40025000 bee0ace4
[10936.587430] bfe0: 00000000 bee0acc8 00008574 400e34ec 60000010 00000003 00000000 00000000
[10936.595570] Backtrace:
[10936.598006] [<c0433a38>] (fimc_s_fmt_vid_out+0x0/0xbc) from [<c04235e4>] (__video_do_ioctl+0xc54/0x3df4)
[10936.607450] [<c0422990>] (__video_do_ioctl+0x0/0x3df4) from [<c0426a60>] (video_ioctl2+0x2dc/0x438)
[10936.616461] [<c0426784>] (video_ioctl2+0x0/0x438) from [<c0421b6c>] (v4l2_ioctl+0x40/0x4c)
[10936.624695] [<c0421b2c>] (v4l2_ioctl+0x0/0x4c) from [<c0206f30>] (vfs_ioctl+0x84/0xb4)
[10936.632572] r6:c0cc5605 r5:000110c4 r4:cfe02f00 r3:000110c4
[10936.638210] [<c0206eac>] (vfs_ioctl+0x0/0xb4) from [<c02079b0>] (do_vfs_ioctl+0x530/0x58c)
[10936.646436] r6:000110c4 r5:000110c4 r4:cfe02f00 r3:cf9b9380
[10936.652075] [<c0207480>] (do_vfs_ioctl+0x0/0x58c) from [<c0207a4c>] (sys_ioctl+0x40/0x64)
[10936.660214] r9:cfeca000 r8:c016f168 r7:00000003 r6:c0cc5605 r5:000110c4
[10936.666713] r4:cfe02f00
[10936.669322] [<c0207a0c>] (sys_ioctl+0x0/0x64) from [<c016efc0>] (ret_fast_syscall+0x0/0x30)
[10936.677632] r7:00000036 r6:00000000 r5:00000000 r4:00000000
[10936.683269] Code: eb0629c3 e595311c e3a07fbf e0273a97 (e597336c)
[10936.689838] ---[ end trace 7b4b5d38dd62b203 ]
请问友善的技术支持是哪里问题？
