denyc@

January 31, 2017

Thank you, i reproduced this version, but noted that that when accessing the camera, generates a large amount of debugging information in /var/log/syslog, /var/log/messages, /var/log/kern.log:



...

Jan 31 04:53:40 localhost kernel: [ 1662.521479] [VFE_WARN] Nobody is waiting on this video buffer,buf

= 0xd535c2c0

Jan 31 04:53:40 localhost kernel: [ 1662.609079] [VFE_WARN] Nobody is waiting on this video buffer,buf

= 0xd4870800

Jan 31 04:53:40 localhost kernel: [ 1662.696673] [VFE_WARN]Only two buffer left for csi

Jan 31 04:53:40 localhost kernel: [ 1662.784252] [VFE]capture video mode!

Jan 31 04:53:40 localhost kernel: [ 1662.871855] [VFE]capture video first frame done!

Jan 31 04:53:40 localhost kernel: [ 1662.871880] [VFE_WARN] Nobody is waiting on this video buffer,buf

= 0xd5b108c0

Jan 31 04:53:40 localhost kernel: [ 1662.959447] [VFE_WARN]Only two buffer left for csi

Jan 31 04:53:40 localhost kernel: [ 1663.047053] [VFE]capture video mode!

Jan 31 04:53:40 localhost kernel: [ 1663.134639] [VFE]capture video first frame done!

Jan 31 04:53:40 localhost kernel: [ 1663.134657] [VFE_WARN] Nobody is waiting on this video buffer,buf

= 0xd535c380

Jan 31 04:53:40 localhost kernel: [ 1663.222285] [VFE_WARN] Nobody is waiting on this video buffer,buf

= 0xd535c2c0

Jan 31 04:53:41 localhost kernel: [ 1663.309844] [VFE_WARN]Only two buffer left for csi

Jan 31 04:53:41 localhost kernel: [ 1663.397436] [VFE]capture video mode!

Jan 31 04:53:41 localhost kernel: [ 1663.485040] [VFE]capture video first frame done!

Jan 31 04:53:41 localhost kernel: [ 1663.485064] [VFE_WARN] Nobody is waiting on this video buffer,buf

= 0xd4870800

...

How to stop this notice, or this is virtually impossible to use?

January 26, 2017

Driver order unloading on the error does not affect. Segmentation fault (

January 26, 2017

The correct order to unload the driver,

I will try later.

in /boot/script.bin -> script.fex

[twi2]
twi_used = 0

already set, but camera not working.

January 26, 2017

Hello! Please help me.

The error occurs with both the camera and even without a camera:

1)

root@orangepione:~# modprobe gc2035

root@orangepione:~# modprobe -v vfe_v4l2

insmod /lib/modules/3.4.113-sun8i/kernel/drivers/media/video/videobuf-core.ko

insmod /lib/modules/3.4.113-sun8i/kernel/drivers/media/video/videobuf-dma-contig.ko

insmod /lib/modules/3.4.113-sun8i/kernel/drivers/media/video/sunxi-vfe/vfe_v4l2.ko

root@orangepione:~# dmesg

...
[  341.296379] [ISP] isp platform_id = 5!
[  341.368184] [CSI_ERR][GC2035]sensor_read err at sensor_detect!
[  341.368199] [CSI_ERR][GC2035]chip found is not an target chip.

Video device is not created in /dev directory.

------

2) When i try to unload vfe_v4l2 driver error occurs: Segmentation fault

root@orangepione:~# modprobe -r -v vfe_v4l2

rmmod vfe_v4l2

[ 526.462050] sunxi oops: enable sdcard JTAG interface

[ 526.468731] sunxi oops: cpu frequency: 480 MHz

[ 526.470033] sunxi oops: ddr frequency: 624 MHz

[ 526.470033] sunxi oops: gpu frequency: 105 MHz

[ 526.470033] sunxi oops: cpu temperature: 35

[ 526.470033] Internal error: Oops: 5 [#1] PREEMPT SMP ARM

[ 526.470033] Modules linked in: vfe_v4l2(-) videobuf_dma_contig videobuf_core gc2035 vfe_subdev cci vfe_os ir_lirc_codec lirc_dev ir_mce_kbd_decoder ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_rc5_decoder ir_nec_decoder sunxi_cir rc_core bmp085 pcf8591 [last unloaded: scsi_wait_scan]

[ 526.470033] CPU: 3 Not tainted (3.4.113-sun8i #20)

[ 526.470033] PC is at vfe_remove+0x2e4/0x354 [vfe_v4l2]

[ 526.470033] LR is at free_irq+0x70/0x78

[ 526.470033] pc : [<bf09b188>] lr : [<c00a42f8>] psr: 80000013

[ 526.470033] sp : d515be18 ip : d515bdf8 fp : d515be34

[ 526.470033] r10: 00000000 r9 : d515a000 r8 : c000e1c8

[ 526.470033] r7 : d4c60b1c r6 : 00000001 r5 : bf03fd2c r4 : d4c60000

[ 526.470033] r3 : 00000000 r2 : 00000005 r1 : d4c6001c r0 : bf0dcf09

[ 526.470033] Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user

[ 526.470033] Control: 10c5387d Table: 548f006a DAC: 00000015

[ 526.470033]

[ 526.470033] LR: 0xc00a4278:

[ 526.470033] 4278 e1a00004 ebffff74 e89da830 c083a81c e1a0c00d e92dd8f0 e24cb004 e52de004

[ 526.470033] 4298 e8bd4000 e1a06000 e1a07001 ebfffbc5 e2505000 089da8f0 e5953034 e2134802

[ 526.470033] 42b8 0a000003 e3a01e51 e59f0034 ebfe154b e89da8f0 e5953068 e3530000 0a000003

[ 526.470033] 42d8 e3001514 e59f0018 ebfe1544 e5854068 e1a01007 e1a00006 ebffff57 eb01bcdc

[ 526.470033] 42f8 e89da8f0 c083a81c e1a0c00d e92ddbf0 e24cb004 e24dd008 e52de004 e8bd4000

[ 526.470033] 4318 e1a06000 e1a08001 ebfffba6 e1a0300d e3c33d7f e3c3303f e5933004 e3c3333e

[ 526.470033] 4338 e3c330ff e3530000 e1a04000 0a000004 e1a03006 e59f20cc e30015e2 e59f00c8

[ 526.470033] 4358 ebfe1502 e3540000 01a00004 0a00002b e2847058 e1a00007 eb17f3f3 e5945030

[ 526.470033]

[ 526.470033] SP: 0xd515bd98:

[ 526.470033] bd98 c09c9900 00000074 c09c9958 d4c60000 d515bdcc c00a4218 bf09b188 80000013

[ 526.470033] bdb8 ffffffff d515be04 d515be34 d515bdd0 c000dad8 c0008370 bf0dcf09 d4c6001c

[ 526.470033] bdd8 00000005 00000000 d4c60000 bf03fd2c 00000001 d4c60b1c c000e1c8 d515a000

[ 526.470033] bdf8 00000000 d515be34 d515bdf8 d515be18 c00a42f8 bf09b188 80000013 ffffffff

[ 526.470033] be18 bf1082e0 bf10861c c0a0fd90 00000800 d515be44 d515be38 c0433d70 bf09aeb0

[ 526.470033] be38 d515be5c d515be48 c0432480 c0433d58 bf108314 bf1082e0 d515be74 d515be60

[ 526.470033] be58 c04324ec c0432400 bf1082e0 d58e5af4 d515be94 d515be78 c0431e8c c04324cc

[ 526.470033] be78 bf1082e0 bf1082d8 c0a0fc10 00000800 d515beb4 d515be98 c042fb58 c0431dc0

[ 526.470033]

[ 526.470033] IP: 0xd515bd78:

[ 526.470033] bd78 d515bd94 d515bd88 c06a135c c00a3d00 d515bdcc d515bd98 c00a3d00 c06a0c40

[ 526.470033] bd98 c09c9900 00000074 c09c9958 d4c60000 d515bdcc c00a4218 bf09b188 80000013

[ 526.470033] bdb8 ffffffff d515be04 d515be34 d515bdd0 c000dad8 c0008370 bf0dcf09 d4c6001c

[ 526.470033] bdd8 00000005 00000000 d4c60000 bf03fd2c 00000001 d4c60b1c c000e1c8 d515a000

[ 526.470033] bdf8 00000000 d515be34 d515bdf8 d515be18 c00a42f8 bf09b188 80000013 ffffffff

[ 526.470033] be18 bf1082e0 bf10861c c0a0fd90 00000800 d515be44 d515be38 c0433d70 bf09aeb0

[ 526.470033] be38 d515be5c d515be48 c0432480 c0433d58 bf108314 bf1082e0 d515be74 d515be60

[ 526.470033] be58 c04324ec c0432400 bf1082e0 d58e5af4 d515be94 d515be78 c0431e8c c04324cc

[ 526.470033]

[ 526.470033] FP: 0xd515bdb4:

[ 526.470033] bdb4 80000013 ffffffff d515be04 d515be34 d515bdd0 c000dad8 c0008370 bf0dcf09

[ 526.470033] bdd4 d4c6001c 00000005 00000000 d4c60000 bf03fd2c 00000001 d4c60b1c c000e1c8

[ 526.470033] bdf4 d515a000 00000000 d515be34 d515bdf8 d515be18 c00a42f8 bf09b188 80000013

[ 526.470033] be14 ffffffff bf1082e0 bf10861c c0a0fd90 00000800 d515be44 d515be38 c0433d70

[ 526.470033] be34 bf09aeb0 d515be5c d515be48 c0432480 c0433d58 bf108314 bf1082e0 d515be74

[ 526.470033] be54 d515be60 c04324ec c0432400 bf1082e0 d58e5af4 d515be94 d515be78 c0431e8c

[ 526.470033] be74 c04324cc bf1082e0 bf1082d8 c0a0fc10 00000800 d515beb4 d515be98 c042fb58

[ 526.470033] be94 c0431dc0 00000000 bf1082d8 d515a000 00000800 d515bed4 d515beb8 c04343e0

[ 526.470033]

[ 526.470033] R1: 0xd4c5ff9c:

[ 526.470033] ff9c 00000000 00000000 00000000 00000000 00000000 00000000 00000000 55325811

[ 526.470033] ffbc 55325c11 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[ 526.470033] ffdc 00000000 00000000 00000000 00000000 00000000 00000000 00000000 55fad821

[ 526.470033] fffc 55fadc21 00000000 00000000 00000000 d4c6000c d4c6000c 00000000 00000000

[ 526.470033] 001c 786e7573 66765f69 75732065 5f69786e 2e656676 00000030 00000000 00000000

[ 526.470033] 003c 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000001

[ 526.470033] 005c 00000000 00000000 d4c60064 d4c60064 00000000 00000001 00000000 d4802580

[ 526.470033] 007c 00000000 00000000 00000000 00000000 bf1082d8 00000000 00000000 00000000

[ 526.470033]

[ 526.470033] R4: 0xd4c5ff80:

[ 526.470033] ff80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[ 526.470033] ffa0 00000000 00000000 00000000 00000000 00000000 00000000 55325811 55325c11

[ 526.470033] ffc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[ 526.470033] ffe0 00000000 00000000 00000000 00000000 00000000 00000000 55fad821 55fadc21

[ 526.470033] 0000 00000000 00000000 00000000 d4c6000c d4c6000c 00000000 00000000 786e7573

[ 526.470033] 0020 66765f69 75732065 5f69786e 2e656676 00000030 00000000 00000000 00000000

[ 526.470033] 0040 00000000 00000000 00000000 00000000 00000000 00000000 00000001 00000000

[ 526.470033] 0060 00000000 d4c60064 d4c60064 00000000 00000001 00000000 d4802580 00000000

[ 526.470033]

[ 526.470033] R7: 0xd4c60a9c:

[ 526.470033] 0a9c 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[ 526.470033] 0abc 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[ 526.470033] 0adc 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[ 526.470033] 0afc 00000000 00000000 00000000 000000ff 00000000 00000000 00000000 00000000

[ 526.470033] 0b1c d4c60504 d4c60810 30326367 00003533 00000000 00000000 00000000 003c0000

[ 526.470033] 0b3c 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[ 526.470033] 0b5c 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[ 526.470033] 0b7c 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[ 526.470033]

[ 526.470033] R8: 0xc000e148:

[ 526.470033] e148 e3570f5f e24fef7d 3798f107 e28d1008 e3a08000 e357080f e2270000 2a0012e0

[ 526.470033] e168 ea00f49a e24ee004 e58de03c eaffff79 e1a02007 e28d1008 e3a00000 eb000ab3

[ 526.470033] e188 e28fe014 e1a07000 e28d1008 e3570f5f 3891000f 3798f107 eaffffec e5ad0008

[ 526.470033] e1a8 e1a02007 e1a0100d e3a00001 eb000aa7 eaffff80 e320f000 c09e9d44 c000e87c

[ 526.470033] e1c8 c003d38c c002e73c c000e7e0 c011f2dc c011f354 c011e424 c011d364 c004b3d8

[ 526.470033] e1e8 c011e46c c012d64c c012d40c c000e7f0 c011dd80 c004b3d8 c012d290 c011e004

[ 526.470033] e208 c007c468 c004b3d8 c004b3d8 c011eb4c c00393dc c013c548 c004b3d8 c007c550

[ 526.470033] e228 c007c9b8 c004b3d8 c0035a2c c004b3d8 c004b3d8 c003e5c4 c004b3d8 c004b3d8

[ 526.470033]

[ 526.470033] R9: 0xd5159f80:

[ 526.470033] 9f80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[ 526.470033] 9fa0 00000000 55e0be7e 55e0ce7e 55e0de7e 55e0ee7e 43165e7e 00000000 00000000

[ 526.470033] 9fc0 43168e7e 43169e7e 4316ae7e 4316be7e 4316ce7e 4316de7e 4316ee7e 4316fe7e

[ 526.470033] 9fe0 43170e7e 43171e7e 43172e7e 43173e7e 43174e7e 43175e7e 43176e7e 00000000

[ 526.470033] a000 00000000 00000002 00000000 d53f4d40 c09eb380 00000003 00000015 c1013780

[ 526.470033] a020 d53f4d40 d515a000 d58f0c80 173c5a07 d5b51ac0 00000000 d515be3c d515bda0

[ 526.470033] a040 c069fca4 00000000 00000000 00000000 00000000 00000000 01000000 00000000

[ 526.470033] a060 b6f5a850 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[ 526.470033] Process modprobe (pid: 872, stack limit = 0xd515a2f8)

[ 526.470033] Stack: (0xd515be18 to 0xd515c000)

[ 526.470033] be00: bf1082e0 bf10861c

[ 526.470033] be20: c0a0fd90 00000800 d515be44 d515be38 c0433d70 bf09aeb0 d515be5c d515be48

[ 526.470033] be40: c0432480 c0433d58 bf108314 bf1082e0 d515be74 d515be60 c04324ec c0432400

[ 526.470033] be60: bf1082e0 d58e5af4 d515be94 d515be78 c0431e8c c04324cc bf1082e0 bf1082d8

[ 526.470033] be80: c0a0fc10 00000800 d515beb4 d515be98 c042fb58 c0431dc0 00000000 bf1082d8

[ 526.470033] bea0: d515a000 00000800 d515bed4 d515beb8 c04343e0 c042fa44 bf1082d8 00000001

[ 526.470033] bec0: d515a000 00000800 d515beec d515bed8 c0434430 c04343c4 bf03fd2c 00000001

[ 526.470033] bee0: d515bf34 d515bef0 bf09b280 c0434420 d515bf14 30697363 00000000 00000000

[ 526.470033] bf00: 00000000 00000001 00000000 00000000 00000000 00000000 d515a000 bf1167dc

[ 526.470033] bf20: 00000000 d515a000 d515bfa4 d515bf38 c007fab0 bf09b204 c011f06c 00000000

[ 526.470033] bf40: bf1167dc 00000800 d515bf3c 5f656676 326c3476 00000000 0000000f d515a000

[ 526.470033] bf60: d515bfa4 d515bf70 c011f3a0 c011ef50 c01058bc 00000000 00000000 00000000

[ 526.470033] bf80: ffffffff 0000000f b7736398 b7736398 00000001 00000081 00000000 d515bfa8

[ 526.470033] bfa0: c000df60 c007f910 b7736398 b7736398 b77363cc 00000800 2021bf00 00000000

[ 526.470033] bfc0: b7736398 b7736398 00000001 00000081 00000000 00000001 b7736398 bef43d84

[ 526.470033] bfe0: b6eb8521 bef429ac b6f49613 b6eb8526 80000030 b77363cc 000069f8 00000802

[ 526.470033] [<bf09b188>] (vfe_remove+0x2e4/0x354 [vfe_v4l2]) from [<c0433d70>] (platform_drv_remove+0x24/0x28)

[ 526.470033] [<c0433d70>] (platform_drv_remove+0x24/0x28) from [<c0432480>] (__device_release_driver+0x8c/0xcc)

[ 526.470033] [<c0432480>] (__device_release_driver+0x8c/0xcc) from [<c04324ec>] (device_release_driver+0x2c/0x38)

[ 526.470033] [<c04324ec>] (device_release_driver+0x2c/0x38) from [<c0431e8c>] (bus_remove_device+0xd8/0xe8)

[ 526.470033] [<c0431e8c>] (bus_remove_device+0xd8/0xe8) from [<c042fb58>] (device_del+0x120/0x184)

[ 526.470033] [<c042fb58>] (device_del+0x120/0x184) from [<c04343e0>] (platform_device_del+0x28/0x5c)

[ 526.470033] [<c04343e0>] (platform_device_del+0x28/0x5c) from [<c0434430>] (platform_device_unregister+0x1c/0x28)

[ 526.470033] [<c0434430>] (platform_device_unregister+0x1c/0x28) from [<bf09b280>] (vfe_exit+0x88/0x174 [vfe_v4l2])

[ 526.470033] [<bf09b280>] (vfe_exit+0x88/0x174 [vfe_v4l2]) from [<c007fab0>] (sys_delete_module+0x1ac/0x24c)

[ 526.470033] [<c007fab0>] (sys_delete_module+0x1ac/0x24c) from [<c000df60>] (ret_fast_syscall+0x0/0x30)

[ 526.470033] Code: eb402442 e594313c e284101c e59f0064 (e5932034)

[ 528.632709] ---[ end trace 65e47038f2f0e241 ]---