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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
6 g" x3 c4 Q) V% K9 H' u
' u- ^1 a$ l1 x" f/ {+ MODULE_NAME=syslink5 J4 u& \+ W4 `; v; ]+ S# `) h
+ lsmod" `$ c0 F- I9 P9 p! B
+ grep syslink
' _+ U" o& W) H8 c: N; s6 @+ '[' 0 -ne 0 ']'+ D& C4 q4 x" `1 M+ V+ ?
+ ./slaveloader startup DSP ../dsp/bin/debug/server_dsp.xe674
. ^- Z1 F1 Q% }! uAttached to slave procId 0.9 g+ r' W  X3 F
Loading procId 0.: a" U' v, `' A! n: q1 I) E; p
Loaded file ../dsp/bin/debug/server_dsp.xe674 on slave procId 0.
- H1 p! P& M: cStarted slave procId 0.
. j1 ], \- {. d5 s  L+ ../host/host_app -qws: L3 P8 j- Z; P+ S5 u" x3 ?3 g) I
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync2 P8 P+ t3 y; g! f! N* L
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
& Y: b; S7 O- h" L: z0 ]2 K[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
% K. @7 K2 Y8 F* M; {[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
6 n- c+ A5 o6 a/ n! t[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
1 S3 M& E) p' f3 ?0 q" i# ?. K[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync$ r/ S  a7 N; K  m8 H6 U3 q
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
- t. U1 R' K1 F( Z- m# r# N[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync5 b& s) [5 \1 T3 o3 K
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
+ \) A( S- J' S: n. {3 i3 C[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
& W& v* o) x' k7 T7 G0 W[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
2 c5 H$ v6 _; \  l: p[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync/ m& u& Z3 y$ l% I! [  }
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
, o4 t1 R' Z" W# O3 p% i# H6 `! r[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync4 ?- J7 j3 H4 Q7 Q& W
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
0 D7 W2 v! u0 Z9 {# |6 N' q[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync; j) J- Q- v2 @$ s) G0 B& c
[DEBUG|resource_sync_wait@resource_sync.c,86] wait resource 1
  X' @3 D; `4 y" R  q[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 0 had ready2 T+ H1 F( z& Y7 y
[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 1 had ready; u5 n; |9 n3 [& S$ S" N" m
[DEBUG|resource_sync_post@resource_sync.c,96] post resource 2 had ready5 W$ o& W9 @5 D
Camera-Camera+ Z- Q" l& L  F' B1 i2 i
[   76.366400] host_app: page allocation failure: order:10, mode:0xd07 C, t! l3 D1 S0 N) \$ Q* i
[   76.377606] Backtrace:
* W4 z; b1 q+ f( ]9 U! D[   76.380222] [<c000c580>] (dump_backtrace+0x0/0x114) from [<c0419474>] (dump_stack+0x18/0x1c); U( Z  P( P$ ]0 T
[   76.397060]  r7:00000000 r6:0000000a r5:000000d0 r4:00000001
! u; R& J& R0 A- @$ [[   76.403249] [<c041945c>] (dump_stack+0x0/0x1c) from [<c0061e0c>] (warn_alloc_failed+0xf8/0x11c)+ M8 T, r9 ]! P
[   76.412099] [<c0061d14>] (warn_alloc_failed+0x0/0x11c) from [<c006237c>] (__alloc_pages_nodemask+0x54c/0x590)
. |( s& e: i( B% Z& _5 Q9 G[   76.425768]  r3:00000000 r2:00000000, d( {5 r( k8 C, x* @
[   76.429410]  r7:00000040 r6:00000035 r5:000000d0 r4:00000000" Y7 ?) l" J# G* C% X. L, L
[   76.436700] [<c0061e30>] (__alloc_pages_nodemask+0x0/0x590) from [<c000e030>] (__dma_alloc+0xec/0x2fc)
$ U: J) G* Y% U/ y3 r! b: I[   76.448512] [<c000df44>] (__dma_alloc+0x0/0x2fc) from [<c000e2d0>] (dma_alloc_coherent+0x5c/0x68)& d9 K) x3 n" w( Q3 o
[   76.459091] [<c000e274>] (dma_alloc_coherent+0x0/0x68) from [<c02e2a4c>] (__videobuf_mmap_mapper+0xac/0x188)
% _' p+ i. P: n  V8 m+ Z; g, N[   76.470521]  r7:c1bded90 r6:c1113b80 r5:c12d1b00 r4:c1113be49 C. w, u/ Y4 b6 m
[   76.476678] [<c02e29a0>] (__videobuf_mmap_mapper+0x0/0x188) from [<c02e0724>] (videobuf_mmap_mapper+0xd4/0x114)
  k. x! o* W1 V- c4 ]8 y$ U[   76.489213]  r8:b52dc000 r7:c1113380 r6:c12d1b00 r5:c1bded90 r4:c12d1b003 ?3 u2 P2 X% V2 p4 X0 H, {
[   76.496486] [<c02e0650>] (videobuf_mmap_mapper+0x0/0x114) from [<c02eb1fc>] (vpif_mmap+0x40/0x50)
! b. B" ?% H/ ~% K[   76.507848]  r5:c12d1b00 r4:c1bdec00
0 \* A1 ]4 D& B0 `+ k6 O1 y[   76.511602] [<c02eb1bc>] (vpif_mmap+0x0/0x50) from [<c02d20e4>] (v4l2_mmap+0x70/0x90)& ^2 M1 Z  V' d% w( p0 L0 ^
[   76.521828]  r5:c1bffe00 r4:c1113380
, H$ e+ G% }3 t( ~" q" t5 r# Z4 s[   76.526209] [<c02d2074>] (v4l2_mmap+0x0/0x90) from [<c007a8f0>] (mmap_region+0x25c/0x494)
( }; B' M. Z2 E[   76.536792]  r7:c1113380 r6:000000ff r5:c12d1b00 r4:00000000
) h! U6 ?; H9 n& i! ][   76.542984] [<c007a694>] (mmap_region+0x0/0x494) from [<c007adec>] (do_mmap_pgoff+0x2c4/0x324)
: ?6 J' r0 b- j) G5 x[   76.551694] [<c007ab28>] (do_mmap_pgoff+0x0/0x324) from [<c007aeec>] (sys_mmap_pgoff+0xa0/0xd0): l% G+ \) X( `5 _( A
[   76.563987] [<c007ae4c>] (sys_mmap_pgoff+0x0/0xd0) from [<c0009440>] (ret_fast_syscall+0x0/0x2c)
. F/ j$ ?4 W5 z6 M[   76.574327] Mem-info:
/ C( L/ E# d8 L! l+ p, |* n[   76.576657] DMA per-cpu:
, o+ S" s  V1 p# D$ Y  Q: w[   76.579223] CPU    0: hi:    0, btch:   1 usd:   0# R! b2 \/ t( R: z5 g" n, H
[   76.587174] active_anon:1430 inactive_anon:35 isolated_anon:0, d: Z  a% l' H3 w+ d
[   76.587198]  active_file:867 inactive_file:896 isolated_file:0
# _& p5 \; L; Z9 _[   76.587216]  unevictable:0 dirty:0 writeback:0 unstable:0' H, \2 V  B% _  j- |, k- Y
[   76.587232]  free:258 slab_reclaimable:286 slab_unreclaimable:789
' ~* g8 [& i+ U2 j& j/ i[   76.587251]  mapped:1276 shmem:132 pagetables:122 bounce:0
* O( n" _3 P" e$ `5 Q7 t# 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
/ o6 ]1 [1 w3 ]1 c$ Z* r# o[   76.661444] lowmem_reserve[]: 0 0 00 t" o0 }3 \4 g. H' {( z
[   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- L) `5 N0 ]) ~( k4 u) f
[   76.677034] 1884 total pagecache pages
9 z, w* H- g0 e  b& `3 d# @[   76.680817] 0 pages in swap cache( y* O: }$ v) D, O6 Q7 U
[   76.687285] Swap cache stats: add 0, delete 0, find 0/0
; M/ p, u; S1 \2 I: d[   76.693996] Free swap  = 0kB
% g9 u) S; _* y[   76.696926] Total swap = 0kB) {# ]. ^* _* ^! d: C) q1 W, A
[   76.701578] 8192 pages of RAM
; \) `4 I& P. ?7 d[   76.707668] 405 free pages
# o8 j( }! c8 V- d) d% K! Q[   76.710418] 1555 reserved pages4 v0 ^9 ?) A7 w7 r1 u
[   76.715882] 838 slab pages
% e/ [* j1 b0 i& y* r8 S$ v[   76.718631] 1851 pages shared4 E, ]$ @2 i3 K
[   76.721620] 0 pages swap cached
7 t( N5 x* Y1 ^7 w* f[   76.728009] vpif_capture vpif_capture: dma_alloc_coherent size 4149248 failed
. ^' }3 m) h! t* a9 D  o1 ACannot mmap = 0 buffer* _: N" l0 D' J# ^6 t; k) L' l$ }, {
VIDIOC_STREAMON
3 }4 t* C' Z0 i' W0 q& S6 R7 W: Input/output error
2 y8 }1 Q: b4 k3 |[ERROR|start@capturer.cpp,27] fail to start capture
6 R0 l% Q3 ]) n8 u5 W! N% _QThread::start: Thread creation error: Resource temporarily unavailable- g. i4 l. n  C) b, i
[DEBUG|start@playbacker.cpp,25] it's about to start playback
- {! W: g0 {7 {9 I2 y8 y6 [. q$ p7 v, h, u! y1 n
用led双核可以，这个demo就不行了，怎么解决啊! j& S/ ^6 P; }8 F, k7 x

1 b3 L0 E* C& p: j
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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；
2 q! K% x; }( Z+ K; @1.vpif capture模式选择，vpif_capture_format值：
* {, u$ e) Q% N0 q, H, v: c: C, OHDTV：预留
) q5 [* v$ r) o# m6 I* J! wSDTV: TL5147+ Z/ T) r3 @+ r7 w$ |
RAW:TL2640; W4 A) L5 y  U; G# H; p$ j
2.（ov2640配置分辨率为640*480 = 640*480*2 = 614400）. H6 W) d$ M1 |9 w. F! \
vpif_capture.ch0_bufsize=614400
  q5 D& k6 K2 {例如：4 J/ g4 K8 Q: R, V& f$ \- c
U-Boot >      setenv optargs  ${optargs} vpif_capture_format=RAW vpif_capture.ch0_bufsize=614400
' j0 V! \$ j: h) z) s  }1 U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。
2 G8 w& H# x8 z. y4 j7 K 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
- n/ @5 |, a  L7 V  memac-mode=mii
9 A' D/ ?! |% v( @9 x! E" }ethact=DaVinci-EMAC
; n0 f/ p! h' tethaddr=16:01:c0:17:45:e5" a9 e, f( U0 K( M, ]
hwconfig=dsp:wake=yes' x: T2 k% k# ^$ R$ U8 s$ }5 `( x  f
ipaddr=10.3.2.99; \/ m, o$ I$ Y6 I6 O' h$ h
loadaddr=0xc0700000/ r. |' M% W8 [) r  z4 V
loadbootscr=fatload mmc ${mmcdev} ${scraddr} ${bootscr}
' z9 O# I2 ^, W: G$ X  S$ r, |loadimage=fatload mmc ${mmcdev} ${loadaddr} ${bootfile}
+ P" N7 x1 {9 x7 H4 R8 ?( D" Umem_args=mem=32M@0xc0000000 mem=64M@0xc40000004 E9 x4 M4 k' Z8 U- V$ r9 R, `  R) a
mmcargs=setenv bootargs ${commonargs} root=${mmcroot} rootfstype=${mmcrootfstype}
) D; x: \8 N' s/ @5 E2 ~- Cmmcboot=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 ${loadaddr}; fi; fi;, F7 U7 H) P& @  g1 x5 n
mmcdev=0
! M5 A* D- o# j7 qmmcroot=/dev/mmcblk0p2 rw" m1 d5 c$ P/ y% }6 W
mmcrootfstype=ext3 rootwait
# v' ~6 D1 }/ K2 S7 ?mtddevname=env/ e+ i1 ]1 K; u' B
mtddevnum=0) m9 U* ~6 z) J
mtdids=nand0=davinci_nand.0
' j% G8 j7 r5 @/ V2 ^mtdparts=mtdparts=davinci_nand.0:128k(env),512k(spl),512k(u-boot),4m(kernel),-(filesystem)
0 C, z! d9 k* k- s' ~. Qnandargs=setenv bootargs ${commonargs} root=${nandroot} rootfstype=${nandrootfstype}! E3 O- u( {4 s# y& T5 K
nandboot=if nboot ${nandbootpart}; then echo Booting from nand ...; run nandargs; bootm ${loadaddr}; fi;% A7 ^7 J& [" b5 `& y$ _$ w* ?& M
nandbootpart=kernel' J8 j3 W0 M  m, `  q* q
nanddev=0
- y! T5 x+ _" A/ d* B: ]! Znandroot=ubi0_0 ubi.mtd=4,2048
6 d0 [9 t" U* d/ a* l  snandrootfstype=ubifs
: Z- M$ \+ X5 x0 l+ }2 \5 Jnetmask=255.255.255.0* W, k6 U7 l8 d* d9 K! B! K
nfsargs=setenv bootargs ${commonargs} ip=dhcp root=/dev/nfs nfsroot=${serverip}{nfspath},nolock rw6 y+ o8 n! s+ F3 N" L% c* @+ w
optargs=vpif_capture_format=SDTV vpif_capture.ch0_bufsize=614400
- m9 ]3 O, l4 r% j! X! ~partition=nand0,0  k2 G- y2 e" }& z2 G% I/ {3 I
scraddr=0xc0600000( F0 d6 \  C8 F$ ]
serverip=10.3.2.175
  J5 ~: U7 i, f1 [7 ?- e' i! tspiboot=if sf probe ${spidev}; then sf read ${loadaddr} ${spibootaddr} ${spibootsize}; run nandargs; bootm ${loadaddr}; fi;" z- f+ e* l& M. K
spibootaddr=0x100000
, X  N- Y7 Q$ ]9 Q9 N9 }spibootsize=0x4000002 d9 _  p& }& p3 P6 L. A, i' _
spidev=0
8 A& \  G& U$ Gstderr=serial  q. v; E/ R  z- T7 n
stdin=serial0 \+ ]# B+ `, g
stdout=serial4 X1 q* O5 T1 n3 p; ]) }- L" }
ver=U-Boot 2012.04.01-00059-g7363edf (Apr 21 2015 - 18:15:15)
, c  B+ X* U. o8 e* _
" L. l$ I7 B3 c5 I: d- b1 j; U
# N6 v( t+ N% b) t& x还是不行
3 i  z: K8 G9 X4 p; ?/ ~1 c* ^  r) [$ O
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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 b7 l6 R: y  Y5 {
+ ../host/host_app -qws: N1 ]- {7 s) q, r0 l; P! {/ L6 w/ ?
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
9 S; q$ p: {8 Y+ l[DEBUG|resource_sync_wait@resource_sync.c,86] wait resource 16 Y' i; e. Z. F9 I; K9 N
[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 0 had ready6 W- x& s/ `/ q! k: H& U5 g
[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 1 had ready1 K7 l9 U2 |, ]( b2 @4 u
[DEBUG|resource_sync_post@resource_sync.c,96] post resource 2 had ready$ x/ o4 T) \& q0 r0 P  }( {
Camera-Camera
/ ~" t# W# |4 O) `$ |5 o; ]9 f, E3 n[   34.616261] host_app: page allocation failure: order:10, mode:0xd0  e8 m  f% a+ l- @* w
[   34.627157] Backtrace: 5 `. e6 k- T- x% o
[   34.630203] [<c000c580>] (dump_backtrace+0x0/0x114) from [<c0419474>] (dump_stack+0x18/0x1c)* {. T4 Y. L" P; G$ i' Q+ h' R
[   34.652340]  r7:00000000 r6:0000000a r5:000000d0 r4:00000001
% p& s+ x- O- p# Q# X1 @[   34.658528] [<c041945c>] (dump_stack+0x0/0x1c) from [<c0061e0c>] (warn_alloc_failed+0xf8/0x11c)& K, T+ i4 {0 \6 M( f9 H- w3 Z
[   34.669739] [<c0061d14>] (warn_alloc_failed+0x0/0x11c) from [<c006237c>] (__alloc_pages_nodemask+0x54c/0x590)& h8 [- g+ F9 M) ~: d7 j
[   34.681238]  r3:00000000 r2:00000000' i, D# W1 G6 ^
[   34.685216]  r7:00000040 r6:00000035 r5:000000d0 r4:000000006 H: X- j- h0 D! X" Q
[   34.691084] [<c0061e30>] (__alloc_pages_nodemask+0x0/0x590) from [<c000e030>] (__dma_alloc+0xec/0x2fc)- A" ]6 {- i8 B+ c1 [5 R
[   34.703957] [<c000df44>] (__dma_alloc+0x0/0x2fc) from [<c000e2d0>] (dma_alloc_coherent+0x5c/0x68)
' s/ e, F8 z9 l( c* [5 d[   34.714824] [<c000e274>] (dma_alloc_coherent+0x0/0x68) from [<c02e2a4c>] (__videobuf_mmap_mapper+0xac/0x188)
! W2 m8 U7 D* ~* B# X[   34.726242]  r7:c1bded90 r6:c1371700 r5:c12bd688 r4:c13717648 f, x  D" `3 F) ~8 {8 f
[   34.732056] [<c02e29a0>] (__videobuf_mmap_mapper+0x0/0x188) from [<c02e0724>] (videobuf_mmap_mapper+0xd4/0x114)' _: ?5 X2 D0 |2 r$ ?, e
[   34.744717]  r8:b5317000 r7:c1371280 r6:c12bd688 r5:c1bded90 r4:c12bd6881 z* w6 n9 n& X
[   34.751646] [<c02e0650>] (videobuf_mmap_mapper+0x0/0x114) from [<c02eb1fc>] (vpif_mmap+0x40/0x50)6 V- z0 @# k& Q- L: \# l
[   34.763159]  r5:c12bd688 r4:c1bdec003 N0 K, P4 ]% I4 l0 ~
[   34.766879] [<c02eb1bc>] (vpif_mmap+0x0/0x50) from [<c02d20e4>] (v4l2_mmap+0x70/0x90)- |  j8 k4 ~6 c$ N, R' I
[   34.777146]  r5:c1bffe00 r4:c1371280
: Z& v3 G8 O- ~5 h8 `: R[   34.780857] [<c02d2074>] (v4l2_mmap+0x0/0x90) from [<c007a8f0>] (mmap_region+0x25c/0x494)
$ @1 n- F- i" p* v1 b0 Z+ Q  ~[   34.791444]  r7:c1371280 r6:000000ff r5:c12bd688 r4:00000000" Z/ q1 I8 u& G, B0 m! {: E
[   34.797615] [<c007a694>] (mmap_region+0x0/0x494) from [<c007adec>] (do_mmap_pgoff+0x2c4/0x324)
6 ^, e  i! ~& R" V! f0 i  N( x/ t[   34.808680] [<c007ab28>] (do_mmap_pgoff+0x0/0x324) from [<c007aeec>] (sys_mmap_pgoff+0xa0/0xd0)" _  h3 v! i- H, @, ~0 K
[   34.823582] [<c007ae4c>] (sys_mmap_pgoff+0x0/0xd0) from [<c0009440>] (ret_fast_syscall+0x0/0x2c)
6 t) B1 z1 w( z8 R[   34.842578] Mem-info:
: f7 I; s9 X" _[   34.844908] DMA per-cpu:
$ G* H. I. w" }$ P: h5 v[   34.847474] CPU    0: hi:    0, btch:   1 usd:   0
! c$ t2 t: V8 I& u# K3 W[   34.852369] active_anon:1439 inactive_anon:35 isolated_anon:0
; n5 y7 D# r& `( L6 H8 E[   34.852388]  active_file:718 inactive_file:601 isolated_file:0
7 o6 i' d" Y! [; s, s[   34.852404]  unevictable:0 dirty:0 writeback:0 unstable:09 \" W5 n$ k+ Y5 g
[   34.852420]  free:665 slab_reclaimable:289 slab_unreclaimable:815  ^1 n( ]! d. J" f# j4 }. o
[   34.852437]  mapped:1087 shmem:132 pagetables:122 bounce:0( v! C& u; P4 Q/ i; x3 [) Y* @
[   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
! l( ]$ o. q! `8 b- J[   35.023590] lowmem_reserve[]: 0 0 0
1 e' r$ ]' B* D8 |$ J+ B- B& n[   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 = 7648kB3 S0 P5 }  R2 \, k' ?
[   35.054676] 214 total pagecache pages
5 w3 ~4 w; ^% E- Q  p% U[   35.058399] 0 pages in swap cache+ D5 z1 t, L' K6 B, j
[   35.061743] Swap cache stats: add 0, delete 0, find 0/0
9 b. V7 \5 s) _, L[   35.081983] Free swap  = 0kB
; a, S# e! z8 K) }  b[   35.085058] Total swap = 0kB9 S& h& r- \0 O' J
[   35.089678] 8192 pages of RAM
# {1 t5 E9 ]4 |[   35.103088] 2019 free pages/ N& ?. w" h! S$ M5 y- r
[   35.105926] 1555 reserved pages2 p# R/ B. _, D8 V
[   35.109090] 869 slab pages
) K7 o3 H+ O* ?' _; [% \3 t[   35.111813] 161 pages shared  i  q6 F4 k0 n/ a  t: i
[   35.132854] 0 pages swap cached; e/ f- \2 f! R0 A
[   35.136068] vpif_capture vpif_capture: dma_alloc_coherent size 4149248 failed& w. W- W2 J9 ?; j% u0 @9 I
Cannot mmap = 0 buffer2 Q- m1 F7 H/ [3 O
VIDIOC_STREAMON
/ f$ u/ a6 P) c: Input/output error
- l* a& R; j3 J4 V. z1 `* ?5 D[ERROR|start@capturer.cpp,27] fail to start capture
6 l% f! e/ Q6 EQThread::start: Thread creation error: Resource temporarily unavailable3 p4 E" p8 L8 }
[DEBUG|start@playbacker.cpp,25] it's about to start playback; r5 R% L9 S7 o) e) ~/ q2 m3 q
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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
% Y+ \0 \1 R9 g- c) p4 X) N; Q) e             total       used       free     shared    buffers     cached
: p: {  z8 k/ V: ^6 vMem:         26548      19728       6820          0          0       2884: G7 ?' `2 c  I% g* Q& o$ `4 A
-/+ buffers/cache:      16844       9704
+ A  u5 v! F( O4 {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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