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face_detect双核通信

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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 ; n4 d! ~# I" o! B: C  f+ U
6 Z# Z4 X  H3 O4 Q
+ MODULE_NAME=syslink" Q6 k1 ]9 d- C# e- |7 v
+ lsmod* P' v+ a  E* {. v- Q3 A, {
+ grep syslink
" x6 V8 s) y; o0 g4 R5 ?/ S9 M% E* h+ '[' 0 -ne 0 ']'3 _* ^* b, s# v# t( @
+ ./slaveloader startup DSP ../dsp/bin/debug/server_dsp.xe6740 b2 [3 E8 `: I
Attached to slave procId 0.$ [% j. E2 @1 b6 ?& {9 U& T
Loading procId 0.% {/ e% K6 z+ o6 u
Loaded file ../dsp/bin/debug/server_dsp.xe674 on slave procId 0.& l  L: R1 `% i& A+ |
Started slave procId 0.
/ K; j: g1 P* {3 Z+ ../host/host_app -qws
3 z$ J( r1 a; P8 V" Q[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync+ o. [$ @7 H' a. u- v6 t
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
6 q; U9 O+ J' {2 m+ j3 c[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
) i1 o0 X9 B# X: F[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
+ e1 E$ C( b, L7 o1 o[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
9 J5 v. J9 t) `+ h- ]9 }3 a4 }" t* u[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
) K- x4 W* \4 c# ]/ D- c[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync; F9 R, D6 \6 q+ n1 B
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
3 x+ ]3 E) v. b; P[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync9 h3 a' t3 `6 K6 ?) C5 ?
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync- q$ R7 E7 l* i; r% ^  O
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
+ w! C- `! h! D7 ?[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync9 @3 y4 P) x2 x
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
( u8 |. v. u9 \$ W" q) N  K[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
: |& ?$ @, B1 W( e  o[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync3 N+ U  ^0 Y5 A& j5 ~
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
4 z! g% T5 M) I) @; r" D5 L[DEBUG|resource_sync_wait@resource_sync.c,86] wait resource 1
5 ^1 x# E8 q$ K  \5 F8 G0 n9 B: R[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 0 had ready# F7 _0 p  C* t3 l, V* g3 R
[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 1 had ready
) f( x/ o; Z0 n1 H( \[DEBUG|resource_sync_post@resource_sync.c,96] post resource 2 had ready
* W) q5 R9 l6 C. d, [' O6 r6 eCamera-Camera! [0 @1 b. Z# m3 k- q
[   76.366400] host_app: page allocation failure: order:10, mode:0xd0
7 }' o0 y- M/ H6 H0 L" O[   76.377606] Backtrace: 2 u( A* S5 m" [2 M: d2 @0 T7 {
[   76.380222] [<c000c580>] (dump_backtrace+0x0/0x114) from [<c0419474>] (dump_stack+0x18/0x1c)" Z* H. W! ]: }1 i  J2 q
[   76.397060]  r7:00000000 r6:0000000a r5:000000d0 r4:00000001: {4 C$ ^/ k2 L- W9 a- J
[   76.403249] [<c041945c>] (dump_stack+0x0/0x1c) from [<c0061e0c>] (warn_alloc_failed+0xf8/0x11c)- h% h7 h  U+ w# N1 v0 I5 z; D
[   76.412099] [<c0061d14>] (warn_alloc_failed+0x0/0x11c) from [<c006237c>] (__alloc_pages_nodemask+0x54c/0x590)
' l& u/ _. O8 L% }) u[   76.425768]  r3:00000000 r2:00000000
! b& N- K. i" a5 ?/ h6 s[   76.429410]  r7:00000040 r6:00000035 r5:000000d0 r4:00000000
8 U  N6 G9 F2 \; E[   76.436700] [<c0061e30>] (__alloc_pages_nodemask+0x0/0x590) from [<c000e030>] (__dma_alloc+0xec/0x2fc)
% _7 G$ J" k7 @7 ^5 J; Q' h1 H9 K[   76.448512] [<c000df44>] (__dma_alloc+0x0/0x2fc) from [<c000e2d0>] (dma_alloc_coherent+0x5c/0x68)# i0 y5 c- @& m) M8 i
[   76.459091] [<c000e274>] (dma_alloc_coherent+0x0/0x68) from [<c02e2a4c>] (__videobuf_mmap_mapper+0xac/0x188)
7 w: `2 x4 G' q3 R8 B) v) e2 d[   76.470521]  r7:c1bded90 r6:c1113b80 r5:c12d1b00 r4:c1113be4
7 d: y% U  x: ^: k; y[   76.476678] [<c02e29a0>] (__videobuf_mmap_mapper+0x0/0x188) from [<c02e0724>] (videobuf_mmap_mapper+0xd4/0x114)# M8 K: l- x8 r+ i+ k1 X
[   76.489213]  r8:b52dc000 r7:c1113380 r6:c12d1b00 r5:c1bded90 r4:c12d1b00
' b" H$ u) W9 C$ u: g* R8 X7 \[   76.496486] [<c02e0650>] (videobuf_mmap_mapper+0x0/0x114) from [<c02eb1fc>] (vpif_mmap+0x40/0x50)
4 |7 }# k; U" \2 L# V5 \[   76.507848]  r5:c12d1b00 r4:c1bdec00) {, k. R0 U. u! O" v8 U+ M
[   76.511602] [<c02eb1bc>] (vpif_mmap+0x0/0x50) from [<c02d20e4>] (v4l2_mmap+0x70/0x90)
; j) M! Y5 N: F% k" }5 Z[   76.521828]  r5:c1bffe00 r4:c1113380( T" {0 J6 }! H! C1 q" a6 L4 F
[   76.526209] [<c02d2074>] (v4l2_mmap+0x0/0x90) from [<c007a8f0>] (mmap_region+0x25c/0x494); i: _, V4 X. H( V/ d4 x
[   76.536792]  r7:c1113380 r6:000000ff r5:c12d1b00 r4:00000000/ J- Q; n, q8 `* k% G* D
[   76.542984] [<c007a694>] (mmap_region+0x0/0x494) from [<c007adec>] (do_mmap_pgoff+0x2c4/0x324). \& ]  L9 M- G: [  `% Y1 U9 A
[   76.551694] [<c007ab28>] (do_mmap_pgoff+0x0/0x324) from [<c007aeec>] (sys_mmap_pgoff+0xa0/0xd0)
/ k( {0 i% ?* P; T; `[   76.563987] [<c007ae4c>] (sys_mmap_pgoff+0x0/0xd0) from [<c0009440>] (ret_fast_syscall+0x0/0x2c)$ e5 m9 H. D- {0 V3 H0 F
[   76.574327] Mem-info:" y! a# M8 i" }1 H+ I) u
[   76.576657] DMA per-cpu:
9 X! \$ @- }. X$ P[   76.579223] CPU    0: hi:    0, btch:   1 usd:   0
: H$ v" f4 S# Z9 ~! F[   76.587174] active_anon:1430 inactive_anon:35 isolated_anon:0
& c) d" r. Q% g4 l/ s[   76.587198]  active_file:867 inactive_file:896 isolated_file:0
4 ~7 \  |; P# t2 r[   76.587216]  unevictable:0 dirty:0 writeback:0 unstable:0
* Q. `5 q3 @% D# q+ C4 \[   76.587232]  free:258 slab_reclaimable:286 slab_unreclaimable:789  }0 h! S9 \0 J( S" s7 x2 ~
[   76.587251]  mapped:1276 shmem:132 pagetables:122 bounce:09 g3 X$ ?: _: P1 c
[   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
7 c4 N& U, z% z5 j7 k" Y" b' P[   76.661444] lowmem_reserve[]: 0 0 0
( W8 \5 w" V  ^& Y3 S[   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
6 Q& H% F* Z, D[   76.677034] 1884 total pagecache pages  z9 U2 J! B- u3 x
[   76.680817] 0 pages in swap cache
) n. u! ]$ u5 d8 M2 T$ D4 b+ h[   76.687285] Swap cache stats: add 0, delete 0, find 0/0
+ k4 c6 }3 Y, b) v; y# R[   76.693996] Free swap  = 0kB
* z7 Q; d, d6 s[   76.696926] Total swap = 0kB/ }/ j8 A. j7 h4 P5 k
[   76.701578] 8192 pages of RAM7 x, W* p5 U( I7 X' J6 ?, x2 Q
[   76.707668] 405 free pages; p. \" x/ F1 H
[   76.710418] 1555 reserved pages$ N8 d! T! ~" W1 J" |; g
[   76.715882] 838 slab pages
# O& F' I6 w" a8 w2 }[   76.718631] 1851 pages shared
1 I9 G0 D2 D4 R- G5 z' p/ c+ H7 B[   76.721620] 0 pages swap cached+ P& y. |' B8 `
[   76.728009] vpif_capture vpif_capture: dma_alloc_coherent size 4149248 failed. M. m: O6 h8 H% a
Cannot mmap = 0 buffer
- t! e( }$ s  D' t9 k# ?9 _) M" V+ qVIDIOC_STREAMON
( D; E! W# f! z) b6 d8 D( m8 X( W: Input/output error
" c# ]& Q8 {4 y( o[ERROR|start@capturer.cpp,27] fail to start capture
* Z/ y  U; @# bQThread::start: Thread creation error: Resource temporarily unavailable
. i/ }9 x) y5 _[DEBUG|start@playbacker.cpp,25] it's about to start playback
# v' j4 H0 g% F: K- p9 ]) p/ i2 t# s2 d3 l, ^9 S1 h0 o
用led双核可以,这个demo就不行了,怎么解决啊$ `# s, s" C9 a# y- Z
/ u, P' X" T5 x
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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% f# A' \/ G( L3 T( n1.vpif capture模式选择,vpif_capture_format值:
3 }4 k& z- p4 h: E+ D8 s" S0 ?HDTV:预留
2 D- }7 F- f; V' \8 i8 |) M% ySDTV: TL51471 }: M. L6 U; |
RAW:TL2640
/ L. i/ p# o) ?) |2.(ov2640配置分辨率为640*480 = 640*480*2 = 614400)
$ k0 y& a# t% i; [+ j& tvpif_capture.ch0_bufsize=614400, ~7 ~9 e+ L3 n& N* C9 R( C/ d/ n
例如:
' T) f* q# O/ N' X0 o. tU-Boot >      setenv optargs  ${optargs} vpif_capture_format=RAW vpif_capture.ch0_bufsize=614400/ [3 [( r+ `3 ]* T7 e
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。, p6 T6 K# Z& Z  U7 c  C
setenv optargs  ${optargs} vpif_capture_format=SDTV vpif_capture.ch0_bufsize=614400
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板凳
 楼主| 发表于 2015-11-3 10:22:28 | 只看该作者
da850-panel=TL070A6 S- @& D( _/ L" g) d' E8 T. Y
emac-mode=mii
1 H, K$ d& g7 n1 |7 {; g' uethact=DaVinci-EMAC( c, w/ ^( S- L9 |* q" l
ethaddr=16:01:c0:17:45:e5
, i( y  j% D) s) X8 E+ O7 G5 x9 L7 ]hwconfig=dsp:wake=yes0 N7 ~3 ^9 y5 P; D
ipaddr=10.3.2.99
  B4 c. J2 ]* [loadaddr=0xc07000003 Y: ?( {1 t' ?2 c
loadbootscr=fatload mmc ${mmcdev} ${scraddr} ${bootscr}
0 W9 x* m/ M6 P# d0 j5 H' ~loadimage=fatload mmc ${mmcdev} ${loadaddr} ${bootfile}3 ]8 Z! M& K# K- Z
mem_args=mem=32M@0xc0000000 mem=64M@0xc4000000
6 H$ z2 D# r/ C$ P' @6 x7 Emmcargs=setenv bootargs ${commonargs} root=${mmcroot} rootfstype=${mmcrootfstype}. |: q1 \4 j$ `" J! U
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 ${loadaddr}; fi; fi;
  i$ {) Z* W, l6 S7 X$ kmmcdev=0
; V! c) I* @( `5 Kmmcroot=/dev/mmcblk0p2 rw. W9 [7 c3 y  e5 G! R
mmcrootfstype=ext3 rootwait
5 E  f9 C% q0 }* Rmtddevname=env& H$ y$ k- g7 e) z$ x1 m$ S
mtddevnum=0
* J+ g9 O+ p6 ^; d, q8 Fmtdids=nand0=davinci_nand.0
0 V5 o8 S3 y  }! w% G. Gmtdparts=mtdparts=davinci_nand.0:128k(env),512k(spl),512k(u-boot),4m(kernel),-(filesystem)
, g; r1 a( G. w' pnandargs=setenv bootargs ${commonargs} root=${nandroot} rootfstype=${nandrootfstype}" g" J3 S3 D$ z6 p( ]
nandboot=if nboot ${nandbootpart}; then echo Booting from nand ...; run nandargs; bootm ${loadaddr}; fi;
  U3 a7 p/ H( R5 `6 [* tnandbootpart=kernel3 e. w+ q  o7 Y# @. L& _# i& i; I
nanddev=08 j/ s6 v. Q' F( K! |" o4 P) b
nandroot=ubi0_0 ubi.mtd=4,2048% q, O- e" s$ t5 I' y0 `# N9 [
nandrootfstype=ubifs" ?8 F% B! {  t+ j; O
netmask=255.255.255.00 e$ k( N8 J8 y1 s4 ]1 w
nfsargs=setenv bootargs ${commonargs} ip=dhcp root=/dev/nfs nfsroot=${serverip}{nfspath},nolock rw, T2 w; V7 x- z3 H0 q: \4 G* A
optargs=vpif_capture_format=SDTV vpif_capture.ch0_bufsize=614400
' D6 v/ {* K; G# v( h, y1 f8 Epartition=nand0,0
$ s% X" b" |2 d4 Vscraddr=0xc0600000
; ~- F* `9 X2 G8 Xserverip=10.3.2.1755 Q# H9 M  v7 ]' v
spiboot=if sf probe ${spidev}; then sf read ${loadaddr} ${spibootaddr} ${spibootsize}; run nandargs; bootm ${loadaddr}; fi;
+ j: e# p' ]* D  i, W0 [. `! u6 mspibootaddr=0x100000
$ B2 j, e' m- H. L3 P7 z" Pspibootsize=0x4000004 Z; I: h; ~4 e) ^* @. o& l1 q- d4 O, C
spidev=0
6 b" b9 J0 |0 u! O2 Fstderr=serial
& z) W' a) A* |% tstdin=serial
# x6 w( H+ H, [1 \: fstdout=serial
4 ]' y8 R0 i0 b* h1 _ver=U-Boot 2012.04.01-00059-g7363edf (Apr 21 2015 - 18:15:15)0 d2 u7 v+ N5 W
  y, M' F$ d3 h5 a, O
0 Q# P" k' r: x) n
还是不行) [3 K8 K, m, [8 }

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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.
9 }  s" a, Z/ T+ ../host/host_app -qws
% R! c* l' b1 T[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync5 ]& \6 D; f7 u; M5 F: i- s
[DEBUG|resource_sync_wait@resource_sync.c,86] wait resource 1
; b) S, o$ p" T; j# S8 {[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 0 had ready
. G! [7 H6 K% h" f[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 1 had ready1 T4 w  c, f( j5 z9 X
[DEBUG|resource_sync_post@resource_sync.c,96] post resource 2 had ready4 F3 b2 m; e* g
Camera-Camera/ G" Y' H3 Z1 F
[   34.616261] host_app: page allocation failure: order:10, mode:0xd0
) m5 _0 i; K/ J9 z4 u+ i[   34.627157] Backtrace:
) H7 y4 ~" a+ r. X6 Z6 L$ S[   34.630203] [<c000c580>] (dump_backtrace+0x0/0x114) from [<c0419474>] (dump_stack+0x18/0x1c)
* R* `* J) a: A% K1 L[   34.652340]  r7:00000000 r6:0000000a r5:000000d0 r4:000000017 y0 k! ?) }6 X) _4 H
[   34.658528] [<c041945c>] (dump_stack+0x0/0x1c) from [<c0061e0c>] (warn_alloc_failed+0xf8/0x11c). w' l: y: ?& ^7 ?2 F! H
[   34.669739] [<c0061d14>] (warn_alloc_failed+0x0/0x11c) from [<c006237c>] (__alloc_pages_nodemask+0x54c/0x590)/ _* g6 Q9 h" e
[   34.681238]  r3:00000000 r2:00000000
; S& z5 @; [* _5 H[   34.685216]  r7:00000040 r6:00000035 r5:000000d0 r4:00000000
# v4 X* y/ Y% [) V6 Y/ t4 R* Q[   34.691084] [<c0061e30>] (__alloc_pages_nodemask+0x0/0x590) from [<c000e030>] (__dma_alloc+0xec/0x2fc). A; U0 g% P6 B5 C  m8 R. X/ W9 l  k
[   34.703957] [<c000df44>] (__dma_alloc+0x0/0x2fc) from [<c000e2d0>] (dma_alloc_coherent+0x5c/0x68)
) E$ r! Z% O5 q[   34.714824] [<c000e274>] (dma_alloc_coherent+0x0/0x68) from [<c02e2a4c>] (__videobuf_mmap_mapper+0xac/0x188)
5 G. g* h8 M4 r) r$ @[   34.726242]  r7:c1bded90 r6:c1371700 r5:c12bd688 r4:c1371764
' g( b4 d' e, W0 Y$ A4 `% B[   34.732056] [<c02e29a0>] (__videobuf_mmap_mapper+0x0/0x188) from [<c02e0724>] (videobuf_mmap_mapper+0xd4/0x114)5 t) Y( I  S4 c7 r5 i
[   34.744717]  r8:b5317000 r7:c1371280 r6:c12bd688 r5:c1bded90 r4:c12bd688
9 L4 R( o% {$ P/ x" \/ ][   34.751646] [<c02e0650>] (videobuf_mmap_mapper+0x0/0x114) from [<c02eb1fc>] (vpif_mmap+0x40/0x50)
. B+ p- f9 _5 K6 r; Z[   34.763159]  r5:c12bd688 r4:c1bdec00
) s! K8 C/ m. ?[   34.766879] [<c02eb1bc>] (vpif_mmap+0x0/0x50) from [<c02d20e4>] (v4l2_mmap+0x70/0x90)5 j4 N' Q) K1 _4 _( u8 O6 I) P! g* `+ x
[   34.777146]  r5:c1bffe00 r4:c1371280
7 m! F5 k  [2 L: M  w( X[   34.780857] [<c02d2074>] (v4l2_mmap+0x0/0x90) from [<c007a8f0>] (mmap_region+0x25c/0x494)) S( _3 A$ W5 b7 A$ [: I
[   34.791444]  r7:c1371280 r6:000000ff r5:c12bd688 r4:00000000
8 o* W/ k+ t# l! W' }3 _/ m[   34.797615] [<c007a694>] (mmap_region+0x0/0x494) from [<c007adec>] (do_mmap_pgoff+0x2c4/0x324)  k. i* |8 p+ \! K5 i4 G, G
[   34.808680] [<c007ab28>] (do_mmap_pgoff+0x0/0x324) from [<c007aeec>] (sys_mmap_pgoff+0xa0/0xd0)6 ?. b0 r6 ~! D0 z, k3 P6 @
[   34.823582] [<c007ae4c>] (sys_mmap_pgoff+0x0/0xd0) from [<c0009440>] (ret_fast_syscall+0x0/0x2c)
5 @5 C: h# H" j% M" g5 i3 t3 J[   34.842578] Mem-info:
2 Q: Q. o$ M" G3 ~[   34.844908] DMA per-cpu:+ q$ T6 U2 y3 Y% z9 b3 ?
[   34.847474] CPU    0: hi:    0, btch:   1 usd:   06 {) J- l5 k3 c1 W
[   34.852369] active_anon:1439 inactive_anon:35 isolated_anon:0
) U( {/ G/ T6 u8 @[   34.852388]  active_file:718 inactive_file:601 isolated_file:0) X$ a5 X2 V7 m% k  t
[   34.852404]  unevictable:0 dirty:0 writeback:0 unstable:0
% ?+ U" H6 R, J2 o[   34.852420]  free:665 slab_reclaimable:289 slab_unreclaimable:815
. K& Y  a- v- a' Y! x" y% S5 r. D[   34.852437]  mapped:1087 shmem:132 pagetables:122 bounce:0
* Q' j& L& @( _4 o) X" N7 o[   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? no
% E! F3 l$ z# o6 f1 z+ q# h1 a1 G[   35.023590] lowmem_reserve[]: 0 0 0* P# x! O4 T8 b, D
[   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 = 7648kB
) R# F1 H% P  d) R3 W0 o/ Y. w0 {[   35.054676] 214 total pagecache pages
6 b; c: a' I2 o. \& q/ H  Q[   35.058399] 0 pages in swap cache
  j/ h. z+ x  G9 r[   35.061743] Swap cache stats: add 0, delete 0, find 0/0' y# K" w) q; Z0 e7 ^! T- H4 x
[   35.081983] Free swap  = 0kB5 ]/ a# u5 z3 `% L
[   35.085058] Total swap = 0kB* `2 y( C. k1 `1 x0 j8 ?" h- q9 q% l
[   35.089678] 8192 pages of RAM
8 K2 r/ n, v; }  C% H[   35.103088] 2019 free pages
. v/ Z- @. D3 s[   35.105926] 1555 reserved pages% ?8 x2 C; l  r: \
[   35.109090] 869 slab pages1 |+ v+ X( w' o6 c0 x% k4 I" A
[   35.111813] 161 pages shared
# i8 M) M0 T" r# `  Y[   35.132854] 0 pages swap cached
3 u- ]% Q/ X; w4 u4 w( E[   35.136068] vpif_capture vpif_capture: dma_alloc_coherent size 4149248 failed1 A; U6 j* U- K8 u" V5 ^
Cannot mmap = 0 buffer% z7 t  p% i$ t# ?) C2 B
VIDIOC_STREAMON
+ H  m9 v* c5 c& m3 f7 j4 U: Input/output error& \) `3 |5 p7 I, r& a0 z. |* w& A
[ERROR|start@capturer.cpp,27] fail to start capture
7 J1 i" h- B1 W" o- `QThread::start: Thread creation error: Resource temporarily unavailable" @9 u( ]+ l* ~) t7 S$ Q
[DEBUG|start@playbacker.cpp,25] it's about to start playback4 Y9 f% n6 s5 f2 G# [& l5 m7 H( Y6 C
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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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 楼主| 发表于 2015-11-3 11:39:18 | 只看该作者
root@tl:~/face_detect/run# free
2 {2 T; U) R& g& Z4 L             total       used       free     shared    buffers     cached0 U; X, z( L8 l$ K
Mem:         26548      19728       6820          0          0       2884
2 M9 A& r" y6 k6 G: G-/+ buffers/cache:      16844       9704* L9 B6 a2 r) C$ ~
Swap:            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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