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板凳
楼主 |
发表于 2016-1-30 11:15:26
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r1 s3 V* G9 a9 U% i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 28 y4 o" v# {* j* t- q
CAMERA capture; L6 n# u! i5 {) X
input_device /dev/video0
& {" ~! j5 {& _- y, }3 \Camera-Camera
$ q8 ]9 Q2 d& M. |+ \# h" v hfmt->fmt.pix.bytesperline(1600),fmt->fmt.pix.sizeimage(960000)
* i/ B) O% O& U" ofmt->fmt.pix.pixelformat(50424752),V4L2_PIX_FMT_YUV422P(50323234),V4L2_PIX_FMT_RGB565(50424752) C5 ?4 y. S: S
fmt->fmt.pix.bytesperline(1600),fmt->fmt.pix.sizeimage(960000)
" Y5 V& ]5 ]- }8 {4 B: _0 x9 qcapture_buff_info[0].length = 4147200" ^0 J9 ]+ B8 t% C [% o
capture_buff_info[0].index = 0
- [9 v) }) i. Mcapture_buff_info[0].start = 0xb6b40000
, o7 S5 p' ]! o" t/ m/ t[ 74.316779] vpif_mmap_loopb: page allocation failure: order:10, mode:0xd0
( t# k! M& v- p0 O0 v1 f[ 74.323663] Backtrace:
3 E: Q( k6 X: J5 S1 _! [1 G[ 74.333553] [<c000c1a8>] (dump_backtrace+0x0/0x110) from [<c0408194>] (dump_stack+0x18/0x1c)$ L5 r2 g4 R3 s3 x# p; }# D
[ 74.356223] r6:00000000 r5:000000d0 r4:00000001 r3:20000093! \( j) B% H) I/ v2 n' \, [
[ 74.362055] [<c040817c>] (dump_stack+0x0/0x1c) from [<c005dc50>] (warn_alloc_failed+0xf4/0x118)! c$ |1 d, ]& t0 _ p# n$ u- T
[ 74.386451] [<c005db5c>] (warn_alloc_failed+0x0/0x118) from [<c0060764>] (__alloc_pages_nodemask+0x578/0x5d8)* w3 u+ k- f# {" w# K! C
[ 74.406178] r3:c71fbd1c r2:00000000
8 f! p3 j9 u3 y[ 74.409822] r7:c05bd478 r6:c71fa000 r5:0000000a r4:000000d00 f! a6 U% q. W7 B
[ 74.415828] [<c00601ec>] (__alloc_pages_nodemask+0x0/0x5d8) from [<c000df0c>] (__dma_alloc+0xd8/0x2ec)" S( e# `8 l I/ S, K) _' J& k- s
[ 74.447742] [<c000de34>] (__dma_alloc+0x0/0x2ec) from [<c000e1b0>] (dma_alloc_coherent+0x5c/0x68)
6 ~" G* T; q; l: {[ 74.467181] [<c000e154>] (dma_alloc_coherent+0x0/0x68) from [<c02d5a20>] (__videobuf_mmap_mapper+0xa8/0x180)3 }! x( V* a' E' Z
[ 74.496167] r7:c7182920 r6:c7ba8d90 r5:c71feee4 r4:c72b69a0- ]2 I6 h& f7 K, t* E) Y d1 |
[ 74.502044] [<c02d5978>] (__videobuf_mmap_mapper+0x0/0x180) from [<c02d36c4>] (videobuf_mmap_mapper+0xc0/0x110)$ P7 Q. Y6 J g! q& y7 e0 i
[ 74.527223] r8:c708d300 r7:b674b000 r6:c72b69a0 r5:c72b69a0 r4:c7ba8d90
8 p0 j: A1 ^& U+ O[ 74.534166] [<c02d3604>] (videobuf_mmap_mapper+0x0/0x110) from [<c02de0bc>] (vpif_mmap+0x40/0x50)+ y2 i8 j% d' Z3 Y5 [
[ 74.556197] r5:c7ba8c00 r4:c72b69a0
0 n/ E, T8 E& r% l5 ][ 74.559945] [<c02de07c>] (vpif_mmap+0x0/0x50) from [<c02c55f4>] (v4l2_mmap+0x70/0x90)& _4 N0 S0 u* e1 D
[ 74.587055] r5:c71fe580 r4:c79c2e00
& ~2 C& b: d/ A$ N( J! r4 t[ 74.590771] [<c02c5584>] (v4l2_mmap+0x0/0x90) from [<c007846c>] (mmap_region+0x268/0x4c0)( h4 L/ T. i& U% H& z2 ~
[ 74.616153] r6:c71fe580 r5:000000ff r4:c72b69a0 r3:c02c5584
4 f4 f! N- H# b7 Y1 c[ 74.621976] [<c0078204>] (mmap_region+0x0/0x4c0) from [<c007897c>] (do_mmap_pgoff+0x2b8/0x318)
- L/ D+ z* P9 h% `( o; w$ `. z[ 74.646297] [<c00786c4>] (do_mmap_pgoff+0x0/0x318) from [<c0078a74>] (sys_mmap_pgoff+0x98/0xd0)
|: h5 [) P q, q1 c8 ` W3 ?$ N[ 74.655109] [<c00789dc>] (sys_mmap_pgoff+0x0/0xd0) from [<c0009440>] (ret_fast_syscall+0x0/0x2c)' P) y3 r' q: i: Q$ _0 O
[ 74.688020] Mem-info:) r% _* f4 ~2 s0 b+ e. ]: p* v' W
[ 74.690383] DMA per-cpu:/ B& F' H; y7 N, p0 h1 h
[ 74.692955] CPU 0: hi: 18, btch: 3 usd: 175 P9 x% P; l" ]" b4 N f
[ 74.700640] active_anon:3001 inactive_anon:46 isolated_anon:0
+ U$ E: Z. f! h L+ U! u" V& Q[ 74.700664] active_file:2684 inactive_file:6310 isolated_file:24% G7 r1 n: ], W" A; q
[ 74.700684] unevictable:0 dirty:67 writeback:0 unstable:0
( _' J( H- [! Y1 E& X$ v- y[ 74.700700] free:7432 slab_reclaimable:505 slab_unreclaimable:739
F/ m* `7 |+ _[ 74.700718] mapped:2376 shmem:141 pagetables:143 bounce:0
. V0 x& {6 Z! a# ^4 P[ 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
8 R* S' W. Y1 ^7 M; ~[ 74.846179] lowmem_reserve[]: 0 0 0- w8 o; I- E7 u2 W7 y, D9 t" O
[ 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- Y; h8 Y- O9 Q+ {* M; P& O
[ 74.871095] 5393 total pagecache pages( Q$ | { k7 |) z' i- n6 p
[ 74.874878] 0 pages in swap cache ?0 i5 @ v! Z" J6 c
[ 74.896156] Swap cache stats: add 0, delete 0, find 0/0
; W, G& H& g, l; d, a. H[ 74.901444] Free swap = 0kB7 L5 y L: T' t1 P9 p
[ 74.904346] Total swap = 0kB/ T# e( B/ S: i6 E; C8 f
[ 74.946799] 49152 pages of RAM
}0 H7 ~ K# ^& q[ 74.949901] 25326 free pages
7 K- U' `; C8 ?[ 74.952803] 3366 reserved pages, ~! N, C$ G! C( w& j; _
[ 74.966186] 2124 slab pages& u l9 p1 P, C& B
[ 74.969063] 7387 pages shared4 {% t0 z/ B; |
[ 74.972058] 0 pages swap cached
4 ]& V9 f4 H+ M/ `7 R8 T7 L k[ 74.975243] vpif_capture vpif_capture: dma_alloc_coherent size 4149248 failed
B" O2 `( `& W" sCannot mmap = 1 buffer: b1 E1 M/ g" ]/ S8 K U
Error in opening capture device for channel 0
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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。- R) X/ ]- o2 K, ^' q1 p
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