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板凳
楼主 |
发表于 2016-1-30 11:15:26
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2 g8 F4 h, R4 J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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3 E8 n2 T/ H) j9 I& W c4 a4 groot@tl:/home# ./vpif_mmap_loopback_sd -c 2 -d 0 -w 1 -m 26 j/ ^" d% P; H; q/ T0 v5 M
CAMERA capture5 l/ X: }" z% {, e/ }
input_device /dev/video0
; z! c5 Z7 F5 A' Y' l/ NCamera-Camera* D# a8 [1 S1 x' h: [; [
fmt->fmt.pix.bytesperline(1600),fmt->fmt.pix.sizeimage(960000)/ \, V: k L; J6 |3 N( E
fmt->fmt.pix.pixelformat(50424752),V4L2_PIX_FMT_YUV422P(50323234),V4L2_PIX_FMT_RGB565(50424752)& |% h$ `6 n& D/ l. P0 [, }
fmt->fmt.pix.bytesperline(1600),fmt->fmt.pix.sizeimage(960000)7 d. z4 M5 t( \; `( A# i+ b
capture_buff_info[0].length = 4147200* \; Z. I2 w1 s3 O7 a# ]3 Q
capture_buff_info[0].index = 0
y, z2 e! u( c1 K8 V- ~capture_buff_info[0].start = 0xb6b40000* f; ^+ p) |) t# P
[ 74.316779] vpif_mmap_loopb: page allocation failure: order:10, mode:0xd0
: r& z% a% {2 P- y0 c! w2 x2 |* I! ^[ 74.323663] Backtrace: # k ^5 [3 U9 U+ u! @) y: L* d
[ 74.333553] [<c000c1a8>] (dump_backtrace+0x0/0x110) from [<c0408194>] (dump_stack+0x18/0x1c)
: e) W1 h4 O% A' ][ 74.356223] r6:00000000 r5:000000d0 r4:00000001 r3:20000093
1 r- ^8 m: R6 \* C w; d4 t9 `" @[ 74.362055] [<c040817c>] (dump_stack+0x0/0x1c) from [<c005dc50>] (warn_alloc_failed+0xf4/0x118)
& R% l( ~ N+ Y! L5 p. u4 [[ 74.386451] [<c005db5c>] (warn_alloc_failed+0x0/0x118) from [<c0060764>] (__alloc_pages_nodemask+0x578/0x5d8)7 [4 z6 @) k0 T% v; y! I n: t
[ 74.406178] r3:c71fbd1c r2:00000000+ Z# |% F2 _2 H: X8 `9 U" g
[ 74.409822] r7:c05bd478 r6:c71fa000 r5:0000000a r4:000000d0
! `) Y& @9 i1 {+ T y[ 74.415828] [<c00601ec>] (__alloc_pages_nodemask+0x0/0x5d8) from [<c000df0c>] (__dma_alloc+0xd8/0x2ec)
, Z$ j _5 r+ b, o2 v: L7 k[ 74.447742] [<c000de34>] (__dma_alloc+0x0/0x2ec) from [<c000e1b0>] (dma_alloc_coherent+0x5c/0x68)
5 }/ {3 R- [5 k7 v) m[ 74.467181] [<c000e154>] (dma_alloc_coherent+0x0/0x68) from [<c02d5a20>] (__videobuf_mmap_mapper+0xa8/0x180): m0 H5 W& s9 K8 l5 c+ o) X
[ 74.496167] r7:c7182920 r6:c7ba8d90 r5:c71feee4 r4:c72b69a0# J8 V; O( X, d! }& S7 U6 ~
[ 74.502044] [<c02d5978>] (__videobuf_mmap_mapper+0x0/0x180) from [<c02d36c4>] (videobuf_mmap_mapper+0xc0/0x110)
3 j) q4 R, h; i8 c- ^$ B[ 74.527223] r8:c708d300 r7:b674b000 r6:c72b69a0 r5:c72b69a0 r4:c7ba8d90: H9 D6 w4 j! T
[ 74.534166] [<c02d3604>] (videobuf_mmap_mapper+0x0/0x110) from [<c02de0bc>] (vpif_mmap+0x40/0x50)
+ x/ z D( o! U4 }[ 74.556197] r5:c7ba8c00 r4:c72b69a0
4 s; c' _7 z _+ Q[ 74.559945] [<c02de07c>] (vpif_mmap+0x0/0x50) from [<c02c55f4>] (v4l2_mmap+0x70/0x90)
1 x- f+ p" O2 ]. c3 T# j[ 74.587055] r5:c71fe580 r4:c79c2e00
- F+ z$ P" \6 B" t% V4 r {[ 74.590771] [<c02c5584>] (v4l2_mmap+0x0/0x90) from [<c007846c>] (mmap_region+0x268/0x4c0)' j y: `- D9 Y: J: a+ g
[ 74.616153] r6:c71fe580 r5:000000ff r4:c72b69a0 r3:c02c5584
/ E6 S4 P [9 x( W4 G1 R" w[ 74.621976] [<c0078204>] (mmap_region+0x0/0x4c0) from [<c007897c>] (do_mmap_pgoff+0x2b8/0x318)
. `6 H# R, n! n: Q, F[ 74.646297] [<c00786c4>] (do_mmap_pgoff+0x0/0x318) from [<c0078a74>] (sys_mmap_pgoff+0x98/0xd0)
1 e8 k, ^9 A, T2 S" p[ 74.655109] [<c00789dc>] (sys_mmap_pgoff+0x0/0xd0) from [<c0009440>] (ret_fast_syscall+0x0/0x2c)
* M( j# a$ E% U5 n[ 74.688020] Mem-info:
6 w# M; f6 D! C' M8 a$ R3 Y- \[ 74.690383] DMA per-cpu:
! o; ~: G% i8 d( }# y4 K: j[ 74.692955] CPU 0: hi: 18, btch: 3 usd: 17
) i" t7 [1 M+ _ p3 k[ 74.700640] active_anon:3001 inactive_anon:46 isolated_anon:0
. @& [4 ?3 S' U$ x[ 74.700664] active_file:2684 inactive_file:6310 isolated_file:24
0 h0 s( _+ F5 S5 Y9 n[ 74.700684] unevictable:0 dirty:67 writeback:0 unstable:0
) N6 Q) o- L" k3 m5 F E5 }[ 74.700700] free:7432 slab_reclaimable:505 slab_unreclaimable:739
/ V8 ~1 Z1 ]5 K8 b- U" L8 h[ 74.700718] mapped:2376 shmem:141 pagetables:143 bounce:0* m3 y$ m+ c' G2 h# n
[ 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; h7 y. z: x) V# f( z1 g
[ 74.846179] lowmem_reserve[]: 0 0 0
1 ]# X# p! _# w; G( Q- b2 w+ N[ 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
4 R; |8 q( Z# @6 C0 |) K. m[ 74.871095] 5393 total pagecache pages
. N- T- j' P0 G/ ][ 74.874878] 0 pages in swap cache
! }' q" D8 ~& o, O4 X" H[ 74.896156] Swap cache stats: add 0, delete 0, find 0/0- K0 d6 V% E7 ^/ g
[ 74.901444] Free swap = 0kB
/ J, f: ^& I" C _[ 74.904346] Total swap = 0kB
6 Z) U | d X[ 74.946799] 49152 pages of RAM
1 }9 q5 I' I( H0 t+ v/ a$ N2 ][ 74.949901] 25326 free pages
9 }5 ^1 b; N9 G. t: n. X[ 74.952803] 3366 reserved pages% m# r+ b' [% f( c
[ 74.966186] 2124 slab pages
6 v) ~- t9 g3 J0 [2 G/ q+ ][ 74.969063] 7387 pages shared! }+ e: _6 a0 h4 Q2 C: O9 d/ g
[ 74.972058] 0 pages swap cached
) ~1 |' b$ z( I2 \/ L4 f4 p[ 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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: Q! B* ~0 N1 w& k0 L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。( `* H0 O1 o" A7 ?) l
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发表于 2016-1-26 14:44:43
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