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face_detect双核通信

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robinluo123

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发表于 2015-11-2 15:59:33 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
root@tl:/face_detect/run# ./run.sh ! h( Y- N" G0 w$ t# ^8 l
$ R4 x! I* D  o
+ MODULE_NAME=syslink
1 f/ N# h9 j+ s1 k! r8 E+ lsmod
5 J* [" H: k0 ~1 H: E  T+ y! [+ grep syslink: t/ v( _# Y8 g; o9 y$ s
+ '[' 0 -ne 0 ']'
7 e$ q/ q/ a0 N8 Y. F; i+ ./slaveloader startup DSP ../dsp/bin/debug/server_dsp.xe674+ O- [, Q& E5 q, ]( d/ j& p# o
Attached to slave procId 0.$ B* @- F1 @1 m- G8 i! @
Loading procId 0.
+ M" ^' A2 ~9 m: ^% `% O9 S) H+ ^Loaded file ../dsp/bin/debug/server_dsp.xe674 on slave procId 0.( Y- x" W% l" r5 r! C4 r) B' d
Started slave procId 0.  D) K! {% T- M. I+ V, h
+ ../host/host_app -qws
, ~# j" D% X+ P  M* t& |[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
2 e& I/ k9 U5 j) G4 R9 ~% C; ~# m5 S[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
, y8 C5 x5 T& B) {9 o' D[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync: T5 I0 M. }: }+ q  T
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
. d2 V( K8 w4 F# q$ O6 t[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync4 B( K" }  Z  K$ C$ ?7 P$ c
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
" F2 H; |8 W2 s! I" ^! ]" L6 W3 ^[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync/ s$ Z1 }7 \# B2 {- i5 [% u- B: g
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync6 w) w/ H( l9 N% N! a
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync/ R8 q9 e) M# G7 w+ l
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync; b9 f' B1 c! s4 n
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync% U3 \/ _( V# [4 Z7 `2 x
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync7 M+ R6 S! L/ W; s  `5 y& p0 V, E
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
7 I+ V9 v2 e' Z; _; a[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync' {9 u! E% e- T# ^! B& D; }: Y
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
) }, W2 R' x  x4 X# k* X[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
9 ]4 H1 v) t9 }[DEBUG|resource_sync_wait@resource_sync.c,86] wait resource 17 }3 ?0 |1 z! T5 |: ?) o5 o' @
[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 0 had ready
' a) H# w1 j0 }$ l4 R6 v[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 1 had ready
) z8 _5 ]/ I9 Y5 D4 C- K& }[DEBUG|resource_sync_post@resource_sync.c,96] post resource 2 had ready
& V3 v) e1 C& H2 o  C( wCamera-Camera$ D3 J  ?- Y5 I
[   76.366400] host_app: page allocation failure: order:10, mode:0xd0: \# k+ f  f7 `! x( `3 d: L
[   76.377606] Backtrace: " i5 O* ?  _' a
[   76.380222] [<c000c580>] (dump_backtrace+0x0/0x114) from [<c0419474>] (dump_stack+0x18/0x1c)' g3 O9 u& V5 A* A
[   76.397060]  r7:00000000 r6:0000000a r5:000000d0 r4:00000001
2 r! R& t( E: J( x" O- n/ B[   76.403249] [<c041945c>] (dump_stack+0x0/0x1c) from [<c0061e0c>] (warn_alloc_failed+0xf8/0x11c)# M  w. }( `6 [3 A* @
[   76.412099] [<c0061d14>] (warn_alloc_failed+0x0/0x11c) from [<c006237c>] (__alloc_pages_nodemask+0x54c/0x590)
9 Z; |0 W1 ^4 Q' X[   76.425768]  r3:00000000 r2:00000000
4 a( k& f7 N4 u! x$ t, M& K[   76.429410]  r7:00000040 r6:00000035 r5:000000d0 r4:00000000  S0 V/ \* I3 d5 g7 f5 Y0 H
[   76.436700] [<c0061e30>] (__alloc_pages_nodemask+0x0/0x590) from [<c000e030>] (__dma_alloc+0xec/0x2fc)4 G4 I' Q, t6 [! N
[   76.448512] [<c000df44>] (__dma_alloc+0x0/0x2fc) from [<c000e2d0>] (dma_alloc_coherent+0x5c/0x68)7 X  R4 d( I: e# y7 ?
[   76.459091] [<c000e274>] (dma_alloc_coherent+0x0/0x68) from [<c02e2a4c>] (__videobuf_mmap_mapper+0xac/0x188)! I& b/ ~' k/ Q2 Q
[   76.470521]  r7:c1bded90 r6:c1113b80 r5:c12d1b00 r4:c1113be4
* @0 @5 L/ N/ }+ c+ L, K[   76.476678] [<c02e29a0>] (__videobuf_mmap_mapper+0x0/0x188) from [<c02e0724>] (videobuf_mmap_mapper+0xd4/0x114); {4 Y7 E/ R( q  X5 e6 M# D
[   76.489213]  r8:b52dc000 r7:c1113380 r6:c12d1b00 r5:c1bded90 r4:c12d1b00
8 _. X+ D) D9 A6 W  |' X- c9 r[   76.496486] [<c02e0650>] (videobuf_mmap_mapper+0x0/0x114) from [<c02eb1fc>] (vpif_mmap+0x40/0x50)3 x5 J9 M! q6 J& p
[   76.507848]  r5:c12d1b00 r4:c1bdec00
& K, Q0 M1 _7 C5 p4 _9 z# l0 [[   76.511602] [<c02eb1bc>] (vpif_mmap+0x0/0x50) from [<c02d20e4>] (v4l2_mmap+0x70/0x90)9 J1 S* C6 l& M& n8 ^  w
[   76.521828]  r5:c1bffe00 r4:c11133809 H, o4 _' Q( {
[   76.526209] [<c02d2074>] (v4l2_mmap+0x0/0x90) from [<c007a8f0>] (mmap_region+0x25c/0x494)
7 P$ Q9 K. c$ C0 q2 S[   76.536792]  r7:c1113380 r6:000000ff r5:c12d1b00 r4:00000000
' d/ p, u  T* S: F' Y! P1 q/ x[   76.542984] [<c007a694>] (mmap_region+0x0/0x494) from [<c007adec>] (do_mmap_pgoff+0x2c4/0x324)
  U& i0 a4 B6 g  I( L' t/ \4 [0 ?( l[   76.551694] [<c007ab28>] (do_mmap_pgoff+0x0/0x324) from [<c007aeec>] (sys_mmap_pgoff+0xa0/0xd0): e7 @" q3 B0 P* m' D1 }/ F
[   76.563987] [<c007ae4c>] (sys_mmap_pgoff+0x0/0xd0) from [<c0009440>] (ret_fast_syscall+0x0/0x2c): V( w  B% [: b1 [3 R8 X
[   76.574327] Mem-info:
0 |' b* s# n$ ]' k% t1 Q[   76.576657] DMA per-cpu:
: q! X$ b. X# R[   76.579223] CPU    0: hi:    0, btch:   1 usd:   0
% I  e6 B9 o8 t/ j* j[   76.587174] active_anon:1430 inactive_anon:35 isolated_anon:05 p+ Q: S' I  r1 C6 K; x
[   76.587198]  active_file:867 inactive_file:896 isolated_file:0+ ^; r" r/ X# k4 i3 C6 ?! P
[   76.587216]  unevictable:0 dirty:0 writeback:0 unstable:0
2 S) U6 O5 }5 v! H  n1 {[   76.587232]  free:258 slab_reclaimable:286 slab_unreclaimable:789' X. b$ p: r- R9 B* f
[   76.587251]  mapped:1276 shmem:132 pagetables:122 bounce:0! J: ?' R8 C$ S1 ~7 S) W
[   76.620851] DMA free:1032kB min:720kB low:900kB high:1080kB active_anon:5720kB inactive_anon:140kB active_file:3468kB inactive_file:3584kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:32512kB mlocked:0kB dirty:0kB writeback:0kB mapped:5104kB shmem:528kB slab_reclaimable:1144kB slab_unreclaimable:3156kB kernel_stack:536kB pagetables:488kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
) P) l, C: E  d$ L[   76.661444] lowmem_reserve[]: 0 0 0
" |* }% P. {0 @[   76.665355] DMA: 81*4kB 8*8kB 1*16kB 1*32kB 0*64kB 1*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 1076kB- O( C. k0 q0 W7 ~+ z
[   76.677034] 1884 total pagecache pages
$ b0 h& I: T$ v6 b% ~[   76.680817] 0 pages in swap cache
6 v1 }+ B) ~. j* ^/ f+ j' M. @[   76.687285] Swap cache stats: add 0, delete 0, find 0/0& O4 h$ i9 a+ ~! H
[   76.693996] Free swap  = 0kB% g: q. `- |. G9 P. ~  b
[   76.696926] Total swap = 0kB9 U9 }* ~* F0 v6 a+ E
[   76.701578] 8192 pages of RAM3 O% }( \" c4 b: ?. R" y1 i
[   76.707668] 405 free pages
# d, H1 t* w5 m& B, A: U[   76.710418] 1555 reserved pages; `7 p' i+ }1 f# \6 |  q2 O* a. k
[   76.715882] 838 slab pages
* X/ ?4 u5 N3 w2 g[   76.718631] 1851 pages shared
4 l: @" }+ E2 }# f- K& U" l  B3 w; a[   76.721620] 0 pages swap cached2 r* J- q1 p5 B& g5 r' B8 ^5 [8 ?
[   76.728009] vpif_capture vpif_capture: dma_alloc_coherent size 4149248 failed
( p' O" q/ j3 {: j  ^* kCannot mmap = 0 buffer" J$ }+ ]- V( d& _" ?3 P1 G
VIDIOC_STREAMON' E' V# b  S! B8 b- D2 z8 L
: Input/output error9 m- u/ n: Z7 v; u  _
[ERROR|start@capturer.cpp,27] fail to start capture
% c4 @; a5 X6 Z, r) ^" Q/ rQThread::start: Thread creation error: Resource temporarily unavailable3 C% F/ h. N6 U6 _( |* ]
[DEBUG|start@playbacker.cpp,25] it's about to start playback2 K; n& D* H7 x; B) e0 ~+ x

5 E$ ?$ G% ]- g6 @& M- o用led双核可以，这个demo就不行了，怎么解决啊
* P6 ]) c! D$ K& J- j" V2 i
" [  {5 [' I0 p  b) i( Z, {
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teddy

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发表于 2015-11-3 09:14:02 | 只看该作者
需要配置vpif的缓存；
, H  T" s7 U0 W* C1.vpif capture模式选择，vpif_capture_format值：" g( m; H+ C' V, ~" D
HDTV：预留
( ~- i) }* }4 |2 v+ q2 I4 DSDTV: TL5147
7 B7 t5 k/ ?# X: N' h0 }: VRAW:TL26407 j, X- H! q* `3 C
2.（ov2640配置分辨率为640*480 = 640*480*2 = 614400）8 S3 ^; v# Z+ t4 ^' `; c
vpif_capture.ch0_bufsize=614400+ l( E# U  E7 p$ a' p
例如：
9 P7 H/ n) T; V) GU-Boot >      setenv optargs  ${optargs} vpif_capture_format=RAW vpif_capture.ch0_bufsize=6144007 ]5 x- k2 X, C8 R' |& _
说明：optargs变量为参数添加变量，主要给需要添加参数传递给内核。
# k% f# C9 r* P0 e! |2 m setenv optargs  ${optargs} vpif_capture_format=SDTV vpif_capture.ch0_bufsize=614400
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robinluo123

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板凳
 楼主| 发表于 2015-11-3 10:22:28 | 只看该作者
da850-panel=TL070A
4 E0 P1 Z8 j- [' ?( A8 D( }2 yemac-mode=mii6 ^# k: r4 w. Y# M4 O) B* f( S
ethact=DaVinci-EMAC
* L+ h4 ?# q0 C( xethaddr=16:01:c0:17:45:e54 C5 p; t) V* i) v4 \2 f+ i( Q
hwconfig=dsp:wake=yes' K2 n$ e( f$ T6 g' Q0 L1 C, j* a2 x( N
ipaddr=10.3.2.99
* N% X; ]0 d' @loadaddr=0xc0700000
9 s: H1 U  D* [loadbootscr=fatload mmc ${mmcdev} ${scraddr} ${bootscr}5 U& n' l9 k3 d6 C; c$ U* }6 Z& |& t, Y
loadimage=fatload mmc ${mmcdev} ${loadaddr} ${bootfile}- W. c" V  H4 x7 }
mem_args=mem=32M@0xc0000000 mem=64M@0xc4000000
7 \7 P( _; x3 |! ]mmcargs=setenv bootargs ${commonargs} root=${mmcroot} rootfstype=${mmcrootfstype}# [- M9 `7 w; W% H) C# s
mmcboot=mmc dev ${mmcdev}; if mmc rescan; then if run loadbootscr; then echo Loaded bootscript from ${bootscr}; source ${scraddr}; fi; if run loadimage; then echo Booting from mmc${mmcdev} ...; run mmcargs; bootm ${loadaddr}; fi; fi;
- O8 k, ]3 M* v9 t$ b( O  L$ j: {8 Mmmcdev=02 o6 J" g9 p4 F. q( E. `
mmcroot=/dev/mmcblk0p2 rw4 D- z$ a7 {# i1 J' u
mmcrootfstype=ext3 rootwait
: H" h: f' d* ~( `6 Ymtddevname=env
0 Z- T# f) f% [& B* `% J9 Y: Cmtddevnum=0
, E& V  s7 G7 E3 t8 Pmtdids=nand0=davinci_nand.0, b% m3 \3 R# H8 z7 q2 s
mtdparts=mtdparts=davinci_nand.0:128k(env),512k(spl),512k(u-boot),4m(kernel),-(filesystem). r9 {6 I- s/ ^8 g4 T# c
nandargs=setenv bootargs ${commonargs} root=${nandroot} rootfstype=${nandrootfstype}' a5 \( `# e0 x% p1 F) m
nandboot=if nboot ${nandbootpart}; then echo Booting from nand ...; run nandargs; bootm ${loadaddr}; fi;- ]# Z- ^/ \; s2 s0 L
nandbootpart=kernel9 G2 ]& ^) O% f& `& G
nanddev=02 S2 z5 `5 U  ]) M
nandroot=ubi0_0 ubi.mtd=4,2048
/ S" G1 d! L. ~; ]3 ~% }$ Lnandrootfstype=ubifs& k$ T: o! x1 x* P, j- ?
netmask=255.255.255.01 \) Q4 k0 F' q5 p; I) _
nfsargs=setenv bootargs ${commonargs} ip=dhcp root=/dev/nfs nfsroot=${serverip}{nfspath},nolock rw
; L8 A. F& L0 Qoptargs=vpif_capture_format=SDTV vpif_capture.ch0_bufsize=614400' y. E* p; b, c, i7 A
partition=nand0,0
8 X3 c( U" I7 W6 ^) V7 i3 [scraddr=0xc06000002 t# V; U) U1 }6 P  [0 z. f
serverip=10.3.2.175# P' |! A% D) w5 ]2 v; M3 {
spiboot=if sf probe ${spidev}; then sf read ${loadaddr} ${spibootaddr} ${spibootsize}; run nandargs; bootm ${loadaddr}; fi;
2 P. s( p; i+ _3 ?spibootaddr=0x100000
8 f) Q5 W7 K3 X& r( \+ Espibootsize=0x4000002 V. }7 Z% C  j8 L, ]
spidev=0
3 y6 F, x. R" j  s+ t; d/ n2 L; A6 d, m8 S3 _stderr=serial
1 _, G: Z) A9 n  A5 n& _1 F5 ]stdin=serial
& |, X3 ^% C, |  r8 Zstdout=serial
$ L% c- U$ x! `3 m: H& Sver=U-Boot 2012.04.01-00059-g7363edf (Apr 21 2015 - 18:15:15)
( R$ ?: r  r/ i# h
  K* \3 E& ?7 @/ D( p9 I7 w, m% {! T1 i- M  |; Y8 M
还是不行  H$ o2 S# H! |. X
* u$ ~. c3 f9 i2 W( A+ E
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地板
 楼主| 发表于 2015-11-3 10:23:08 | 只看该作者
Started slave procId 0.: b* Z7 B8 P, W% a
+ ../host/host_app -qws5 }: w: g' [: u2 P1 Y
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync! C' G1 m) Q( w7 o9 n- _  z
[DEBUG|resource_sync_wait@resource_sync.c,86] wait resource 1+ H% f& r+ J8 O. v3 v( `
[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 0 had ready
& F% M2 t" D+ @; p5 B3 P[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 1 had ready0 o5 s3 G- u+ C) Z1 Z
[DEBUG|resource_sync_post@resource_sync.c,96] post resource 2 had ready; S4 D& B4 p/ K2 m  u- a
Camera-Camera
% g' G7 s/ Q) U- v7 L; Y: d) O( i[   34.616261] host_app: page allocation failure: order:10, mode:0xd0( U" S1 l) W5 }% X4 \- j
[   34.627157] Backtrace: ; y, K4 n' M1 Z7 T: N# t8 Q3 f- p5 c# r
[   34.630203] [<c000c580>] (dump_backtrace+0x0/0x114) from [<c0419474>] (dump_stack+0x18/0x1c)
8 ^! ?1 A( L7 y# X% N/ P[   34.652340]  r7:00000000 r6:0000000a r5:000000d0 r4:00000001
+ o6 s, F9 u5 R" N[   34.658528] [<c041945c>] (dump_stack+0x0/0x1c) from [<c0061e0c>] (warn_alloc_failed+0xf8/0x11c)9 ?  \5 ~+ N: c0 ?; \- O7 t. C
[   34.669739] [<c0061d14>] (warn_alloc_failed+0x0/0x11c) from [<c006237c>] (__alloc_pages_nodemask+0x54c/0x590)9 G9 u$ a5 z9 P# G' q
[   34.681238]  r3:00000000 r2:000000006 k: t+ |( b# ?% y* g
[   34.685216]  r7:00000040 r6:00000035 r5:000000d0 r4:00000000
, E8 R" A9 v6 x" a% u! A. i[   34.691084] [<c0061e30>] (__alloc_pages_nodemask+0x0/0x590) from [<c000e030>] (__dma_alloc+0xec/0x2fc); }/ C5 p! M  T! ^% M- Y
[   34.703957] [<c000df44>] (__dma_alloc+0x0/0x2fc) from [<c000e2d0>] (dma_alloc_coherent+0x5c/0x68)
  z- `  u7 o5 y" @1 d: N9 X$ A7 d[   34.714824] [<c000e274>] (dma_alloc_coherent+0x0/0x68) from [<c02e2a4c>] (__videobuf_mmap_mapper+0xac/0x188)3 m6 r% b' {1 E) K* }( r+ T
[   34.726242]  r7:c1bded90 r6:c1371700 r5:c12bd688 r4:c1371764
, B. T* b$ q2 m- i. E: H, {/ H[   34.732056] [<c02e29a0>] (__videobuf_mmap_mapper+0x0/0x188) from [<c02e0724>] (videobuf_mmap_mapper+0xd4/0x114)- A1 x# ~) D% S, s8 r
[   34.744717]  r8:b5317000 r7:c1371280 r6:c12bd688 r5:c1bded90 r4:c12bd6885 i, h: d; B: e) Q! Z
[   34.751646] [<c02e0650>] (videobuf_mmap_mapper+0x0/0x114) from [<c02eb1fc>] (vpif_mmap+0x40/0x50)
" @. K, v. @) U6 z[   34.763159]  r5:c12bd688 r4:c1bdec00; a4 ]' h3 V3 |7 r' {
[   34.766879] [<c02eb1bc>] (vpif_mmap+0x0/0x50) from [<c02d20e4>] (v4l2_mmap+0x70/0x90)
% i$ P, [# Z, P( {- _& P[   34.777146]  r5:c1bffe00 r4:c1371280
; v0 _. c3 `$ M6 H2 F[   34.780857] [<c02d2074>] (v4l2_mmap+0x0/0x90) from [<c007a8f0>] (mmap_region+0x25c/0x494)
# I. P) ]( P) M& i  m$ B; P[   34.791444]  r7:c1371280 r6:000000ff r5:c12bd688 r4:00000000* s0 {1 z8 q; w7 G- U8 D
[   34.797615] [<c007a694>] (mmap_region+0x0/0x494) from [<c007adec>] (do_mmap_pgoff+0x2c4/0x324)1 j2 m0 P& h- W3 q2 B. T  e/ _
[   34.808680] [<c007ab28>] (do_mmap_pgoff+0x0/0x324) from [<c007aeec>] (sys_mmap_pgoff+0xa0/0xd0)$ ]4 Q& D4 P2 @* q  I
[   34.823582] [<c007ae4c>] (sys_mmap_pgoff+0x0/0xd0) from [<c0009440>] (ret_fast_syscall+0x0/0x2c)
+ Y/ R4 l' P5 }, c6 |[   34.842578] Mem-info:" S  K, w. M0 q$ O- @$ Z" i
[   34.844908] DMA per-cpu:
- N* J* h! n1 V/ [* x+ u; i8 a[   34.847474] CPU    0: hi:    0, btch:   1 usd:   0
. ?% Q. A& z& t* ?. m[   34.852369] active_anon:1439 inactive_anon:35 isolated_anon:0/ x1 j9 s- p7 A& k, r( Q1 r1 q
[   34.852388]  active_file:718 inactive_file:601 isolated_file:0
/ a& |7 v& w4 y9 S. X; M[   34.852404]  unevictable:0 dirty:0 writeback:0 unstable:0
0 I; Z+ y: Y& `0 M6 _( e) w; g: E* r[   34.852420]  free:665 slab_reclaimable:289 slab_unreclaimable:815# S: S; C5 d" c+ i0 e1 x
[   34.852437]  mapped:1087 shmem:132 pagetables:122 bounce:03 q: J% I' p& t9 d) Y9 q
[   34.932674] DMA free:7568kB min:720kB low:900kB high:1080kB active_anon:5756kB inactive_anon:140kB active_file:160kB inactive_file:156kB unevictable:0kB isolated(anon):0kB isolated(file):52kB present:32512kB mlocked:0kB dirty:0kB writeback:0kB mapped:340kB shmem:528kB slab_reclaimable:1156kB slab_unreclaimable:3260kB kernel_stack:536kB pagetables:488kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:13 all_unreclaimable? no8 Y, s! {5 a& a! R+ H
[   35.023590] lowmem_reserve[]: 0 0 0
- l! i' _1 a! a9 @7 y  ^[   35.027205] DMA: 842*4kB 329*8kB 59*16kB 4*32kB 1*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 7648kB2 j3 d" C& z! R$ P$ P+ ~9 Y
[   35.054676] 214 total pagecache pages7 \8 D; `* S7 |2 D
[   35.058399] 0 pages in swap cache6 x0 j; q% Y& c1 R9 E
[   35.061743] Swap cache stats: add 0, delete 0, find 0/0, V5 |7 g9 v: ~# k7 C5 H- H
[   35.081983] Free swap  = 0kB
  |2 H. c  r( ^  H$ ?- {& K2 Q[   35.085058] Total swap = 0kB, V3 U6 K5 S  C& k! d
[   35.089678] 8192 pages of RAM: y1 n+ L5 v, D) E. P
[   35.103088] 2019 free pages$ h2 C  e+ t! f
[   35.105926] 1555 reserved pages
( l2 g% v( J' K, n3 H% g[   35.109090] 869 slab pages
' a/ _# K7 p8 T' S[   35.111813] 161 pages shared
9 j* ~3 `2 p) ^. U[   35.132854] 0 pages swap cached& `7 u+ J( h; Y7 K
[   35.136068] vpif_capture vpif_capture: dma_alloc_coherent size 4149248 failed! ?5 Z- m5 J9 x6 m% E' e
Cannot mmap = 0 buffer+ ^3 X6 q( p* q9 v' L
VIDIOC_STREAMON/ {, d7 \0 t0 }/ S, P$ N0 h" N
: Input/output error3 r+ X4 h& H$ f0 m1 P' g9 N
[ERROR|start@capturer.cpp,27] fail to start capture: D$ }$ A2 e+ H$ K* ]: s/ c" U0 [' G8 @
QThread::start: Thread creation error: Resource temporarily unavailable
) S; A% N# ^, b( {) E: a1 V[DEBUG|start@playbacker.cpp,25] it's about to start playback
2 j5 r/ G; [7 Z* A  e6 a
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teddy

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发表于 2015-11-3 11:17:19 | 只看该作者
你可能用的是128M的内存，所以可能系统内存不够，你用free看看当前系统内存是不是不够。
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robinluo123

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 楼主| 发表于 2015-11-3 11:39:18 | 只看该作者
root@tl:~/face_detect/run# free
& Q9 j% D  j- P. D6 H' ^4 j             total       used       free     shared    buffers     cached
5 u: Q- D# n( G6 T( |8 @  d' gMem:         26548      19728       6820          0          0       2884
6 k0 G1 U% p1 H' ]9 i' d-/+ buffers/cache:      16844       9704
/ R$ k" ]4 e' gSwap:            0          0          0                              
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发表于 2015-11-3 13:47:21 | 只看该作者
内存不够，先关掉一些进程，像matrix-gui，然后在运行你的双核程序。
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