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板凳
楼主 |
发表于 2016-1-30 11:15:26
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看一下，我把环境变量打印出来了，这样配置是对的吗？
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root@tl:/home# ./vpif_mmap_loopback_sd -c 2 -d 0 -w 1 -m 25 R: J( X, G0 A8 B5 U. Z! Z' {
CAMERA capture
1 F8 o2 \5 S7 R. e. binput_device /dev/video0) A1 I7 C H/ A" O5 C- P y
Camera-Camera2 n; d5 s- L# s: t
fmt->fmt.pix.bytesperline(1600),fmt->fmt.pix.sizeimage(960000)2 ]4 n# Q) z9 u5 ~) n
fmt->fmt.pix.pixelformat(50424752),V4L2_PIX_FMT_YUV422P(50323234),V4L2_PIX_FMT_RGB565(50424752)6 L$ r: V5 `' c4 \" _
fmt->fmt.pix.bytesperline(1600),fmt->fmt.pix.sizeimage(960000)
2 {; X2 U$ W s( k# P4 Dcapture_buff_info[0].length = 4147200% T: w5 H- D: r4 d/ m
capture_buff_info[0].index = 0+ J) k) H- `: E. O# }' ?
capture_buff_info[0].start = 0xb6b40000: V/ s; G1 q% r
[ 74.316779] vpif_mmap_loopb: page allocation failure: order:10, mode:0xd0% c5 ^4 f9 |* o, {4 B3 S
[ 74.323663] Backtrace: 9 z, g r, ~' R, @
[ 74.333553] [<c000c1a8>] (dump_backtrace+0x0/0x110) from [<c0408194>] (dump_stack+0x18/0x1c)! a7 a2 Q/ ^& r8 i
[ 74.356223] r6:00000000 r5:000000d0 r4:00000001 r3:20000093$ R( c- E4 V6 g
[ 74.362055] [<c040817c>] (dump_stack+0x0/0x1c) from [<c005dc50>] (warn_alloc_failed+0xf4/0x118)) i: Q0 }0 @9 d( B- q: D5 c; X
[ 74.386451] [<c005db5c>] (warn_alloc_failed+0x0/0x118) from [<c0060764>] (__alloc_pages_nodemask+0x578/0x5d8)9 W7 X3 a7 o* I6 G/ m( X
[ 74.406178] r3:c71fbd1c r2:00000000# B4 I, T" v) |$ r6 f
[ 74.409822] r7:c05bd478 r6:c71fa000 r5:0000000a r4:000000d09 F! h5 k7 W0 K3 {; ^! H
[ 74.415828] [<c00601ec>] (__alloc_pages_nodemask+0x0/0x5d8) from [<c000df0c>] (__dma_alloc+0xd8/0x2ec)
w6 Q3 b k+ E$ u6 _# g' k2 \ S[ 74.447742] [<c000de34>] (__dma_alloc+0x0/0x2ec) from [<c000e1b0>] (dma_alloc_coherent+0x5c/0x68)
9 p5 I' ~1 t) f/ ?1 E[ 74.467181] [<c000e154>] (dma_alloc_coherent+0x0/0x68) from [<c02d5a20>] (__videobuf_mmap_mapper+0xa8/0x180)
1 P4 @% p0 A4 ~5 n/ ~: R; P$ d+ e$ c' W[ 74.496167] r7:c7182920 r6:c7ba8d90 r5:c71feee4 r4:c72b69a0
% M8 v- i3 w+ C# h[ 74.502044] [<c02d5978>] (__videobuf_mmap_mapper+0x0/0x180) from [<c02d36c4>] (videobuf_mmap_mapper+0xc0/0x110)
& r9 D* N5 R) t6 e" S1 N/ B[ 74.527223] r8:c708d300 r7:b674b000 r6:c72b69a0 r5:c72b69a0 r4:c7ba8d903 ^% Z$ _1 w8 u1 T1 T% g
[ 74.534166] [<c02d3604>] (videobuf_mmap_mapper+0x0/0x110) from [<c02de0bc>] (vpif_mmap+0x40/0x50)
' a! v" h: [* `) q& h. |, @7 |/ d[ 74.556197] r5:c7ba8c00 r4:c72b69a0. d5 F4 @9 O/ o0 n! D1 h8 P$ X
[ 74.559945] [<c02de07c>] (vpif_mmap+0x0/0x50) from [<c02c55f4>] (v4l2_mmap+0x70/0x90)
" O% f% m) D: [[ 74.587055] r5:c71fe580 r4:c79c2e00
: I# w1 [2 [5 d[ 74.590771] [<c02c5584>] (v4l2_mmap+0x0/0x90) from [<c007846c>] (mmap_region+0x268/0x4c0)
3 S3 X6 }1 A/ Q* _6 h[ 74.616153] r6:c71fe580 r5:000000ff r4:c72b69a0 r3:c02c55844 b/ n! p8 d _2 k6 `6 L8 V' `: @
[ 74.621976] [<c0078204>] (mmap_region+0x0/0x4c0) from [<c007897c>] (do_mmap_pgoff+0x2b8/0x318)5 A( ~8 Z8 X c8 t, X1 K6 x
[ 74.646297] [<c00786c4>] (do_mmap_pgoff+0x0/0x318) from [<c0078a74>] (sys_mmap_pgoff+0x98/0xd0)
' C8 o' ` B% w% d- K7 k[ 74.655109] [<c00789dc>] (sys_mmap_pgoff+0x0/0xd0) from [<c0009440>] (ret_fast_syscall+0x0/0x2c)" }0 E" o; I& y7 a% A( f
[ 74.688020] Mem-info:
9 n& Q3 u! ?3 Z$ }/ E[ 74.690383] DMA per-cpu:. U f, m) `; m# A
[ 74.692955] CPU 0: hi: 18, btch: 3 usd: 17
! y. T4 y( l9 N% _& ]: ~- z[ 74.700640] active_anon:3001 inactive_anon:46 isolated_anon:09 c; s X$ Y, N: E& y' W
[ 74.700664] active_file:2684 inactive_file:6310 isolated_file:24
/ O/ x$ Y, m% o( n1 ~# s8 a0 I; R[ 74.700684] unevictable:0 dirty:67 writeback:0 unstable:0- Q- g: ?5 F/ {7 k! F9 e
[ 74.700700] free:7432 slab_reclaimable:505 slab_unreclaimable:739
$ l! o/ A* d8 h9 ][ 74.700718] mapped:2376 shmem:141 pagetables:143 bounce:0
* ]# @9 N- ~1 ][ 74.766255] DMA free:33856kB min:1244kB low:1552kB high:1864kB active_anon:12004kB inactive_anon:188kB active_file:10736kB inactive_file:21200kB unevictable:0kB isolated(anon):0kB isolated(file):20kB present:97280kB mlocked:0kB dirty:268kB writeback:0kB mapped:8372kB shmem:568kB slab_reclaimable:2020kB slab_unreclaimable:2956kB kernel_stack:576kB pagetables:572kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
# A9 K% B$ z! r0 q[ 74.846179] lowmem_reserve[]: 0 0 0
# L/ `' ~1 K! y, y[ 74.849759] DMA: 760*4kB 461*8kB 239*16kB 158*32kB 92*64kB 43*128kB 21*256kB 6*512kB 7*1024kB 0*2048kB 0*4096kB = 42616kB
) e, K8 ^% d2 Z( n" |% @4 ~& }- Z[ 74.871095] 5393 total pagecache pages- v0 i" S$ I) F% W: S
[ 74.874878] 0 pages in swap cache
2 ~, W4 W" x4 V& u9 o4 T[ 74.896156] Swap cache stats: add 0, delete 0, find 0/0! C; f7 c1 S1 k7 p: Q
[ 74.901444] Free swap = 0kB' e: G& p" u% ]- B) Y
[ 74.904346] Total swap = 0kB
5 | t! _7 p3 |% r8 I! ~) S[ 74.946799] 49152 pages of RAM* R. V* V X/ Y E: ~: ~: b- X
[ 74.949901] 25326 free pages
; v) z! }9 @$ Q. L( d[ 74.952803] 3366 reserved pages
- Z. _9 B: U9 T8 P2 s, I- `, s* w! ?[ 74.966186] 2124 slab pages
- q$ \$ v, R6 |% O# m6 v[ 74.969063] 7387 pages shared
- a5 N' q; u' w- |, K, _3 q% Q[ 74.972058] 0 pages swap cached
7 g( c+ W6 H6 k/ v" U$ x[ 74.975243] vpif_capture vpif_capture: dma_alloc_coherent size 4149248 failed
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Error in opening capture device for channel 0
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' T' [: r" q' A( t这上面是新的错误提示，请再帮我看看是哪里出了问题，谢谢。
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发表于 2016-1-26 14:44:43
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