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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 9 x5 @9 h; `" i3 g5 d7 k# E: n

5 L, w; O" d* D2 A( S$ F' b+ MODULE_NAME=syslink& y9 _) s& Z5 M8 L! R- U$ e) e
+ lsmod4 p& d8 ]* S& r" l/ p
+ grep syslink
7 J* d( Q) o) w# a) N! s5 g" T0 A# N+ '[' 0 -ne 0 ']'
$ s' q! u; E3 O  \0 C+ ./slaveloader startup DSP ../dsp/bin/debug/server_dsp.xe674! d1 b" R# }7 ]
Attached to slave procId 0., ?+ y7 e1 I- ~6 d- [4 g* Z; e
Loading procId 0.- z" m1 s6 M6 z/ X  y6 W
Loaded file ../dsp/bin/debug/server_dsp.xe674 on slave procId 0.
: g9 h4 W; u, e) z7 lStarted slave procId 0.5 ]+ a5 v  g& n8 m: a  G6 K
+ ../host/host_app -qws
! }8 u5 }* w: p. i4 k! S- ]3 ?[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync2 Y# a& J# Q1 q! C9 _- R
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync0 i, k$ j7 p' e; ~4 y0 X
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
7 e  B! A( h! v5 s& ^* K[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync! P; m' K" h8 V1 e% x
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync# B" C6 c  R$ H; ~- p( O8 d5 _# Y
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
( U3 ~0 }7 \7 |) G7 X[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync8 @1 N+ j4 O' X' M
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync. L1 O4 }, K# T0 l% X  M* a: r1 ^& n
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
9 x' S+ \1 \3 Q[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync, _2 z, _: \% M
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync( q6 m1 G& A% Q7 Z2 c# u
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
2 Q  I4 s" V; j. E' H. n9 v[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync+ p( l" p, Z; ?- C
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
2 y' r3 S& g" ]0 y0 W  \$ E& c[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync  W3 }! I# z$ n1 |( Q2 N
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync3 J& d; D% O: ]0 |
[DEBUG|resource_sync_wait@resource_sync.c,86] wait resource 16 p. a; I$ s. |6 n% o
[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 0 had ready4 W* X5 X- B/ t0 i
[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 1 had ready
" I* w% z( {4 n[DEBUG|resource_sync_post@resource_sync.c,96] post resource 2 had ready
- W+ t- g* h" B  NCamera-Camera
+ m% T/ f9 c( L8 R[   76.366400] host_app: page allocation failure: order:10, mode:0xd0
) o9 [- E$ n( |7 u, s( b[   76.377606] Backtrace:
: m* B" n, o  `: Q, \- m+ Y' k[   76.380222] [<c000c580>] (dump_backtrace+0x0/0x114) from [<c0419474>] (dump_stack+0x18/0x1c)7 g* P$ {7 ]* L- [8 F+ }0 Y6 }1 p
[   76.397060]  r7:00000000 r6:0000000a r5:000000d0 r4:000000018 V) a# J! f0 z7 @, }
[   76.403249] [<c041945c>] (dump_stack+0x0/0x1c) from [<c0061e0c>] (warn_alloc_failed+0xf8/0x11c), r* M0 \8 K4 y- C! |$ o1 m) `
[   76.412099] [<c0061d14>] (warn_alloc_failed+0x0/0x11c) from [<c006237c>] (__alloc_pages_nodemask+0x54c/0x590)
% c9 a  |. t: W8 M8 a[   76.425768]  r3:00000000 r2:000000000 ]8 ^" M+ }8 e: D" P
[   76.429410]  r7:00000040 r6:00000035 r5:000000d0 r4:000000005 q- {# V6 y" c- T2 A
[   76.436700] [<c0061e30>] (__alloc_pages_nodemask+0x0/0x590) from [<c000e030>] (__dma_alloc+0xec/0x2fc)$ H  u& L4 p9 x( R' D
[   76.448512] [<c000df44>] (__dma_alloc+0x0/0x2fc) from [<c000e2d0>] (dma_alloc_coherent+0x5c/0x68)* h# H) g2 _6 ~% e# M
[   76.459091] [<c000e274>] (dma_alloc_coherent+0x0/0x68) from [<c02e2a4c>] (__videobuf_mmap_mapper+0xac/0x188)
" H4 P1 ?( A8 w! u6 @6 r* Q[   76.470521]  r7:c1bded90 r6:c1113b80 r5:c12d1b00 r4:c1113be4
( x  R+ h7 A$ {, e0 @# E  c, g; v[   76.476678] [<c02e29a0>] (__videobuf_mmap_mapper+0x0/0x188) from [<c02e0724>] (videobuf_mmap_mapper+0xd4/0x114)- q7 I/ n* W; d) T/ z
[   76.489213]  r8:b52dc000 r7:c1113380 r6:c12d1b00 r5:c1bded90 r4:c12d1b00, T# ]$ n6 U; j# L: a) O2 X" I: X
[   76.496486] [<c02e0650>] (videobuf_mmap_mapper+0x0/0x114) from [<c02eb1fc>] (vpif_mmap+0x40/0x50)
9 `  ^: g. Y+ M8 R$ O- Y' X3 o' H[   76.507848]  r5:c12d1b00 r4:c1bdec00: U- d! t' [( C2 o' }& ?7 g( T
[   76.511602] [<c02eb1bc>] (vpif_mmap+0x0/0x50) from [<c02d20e4>] (v4l2_mmap+0x70/0x90)! C: b2 i4 Q0 J7 o* y
[   76.521828]  r5:c1bffe00 r4:c1113380, ^% `( s: q) l/ R+ s6 O0 i: }( r
[   76.526209] [<c02d2074>] (v4l2_mmap+0x0/0x90) from [<c007a8f0>] (mmap_region+0x25c/0x494)
8 L& ]) z/ p0 X/ e1 r  ^! F[   76.536792]  r7:c1113380 r6:000000ff r5:c12d1b00 r4:00000000
, i: Y  m5 c) l4 b[   76.542984] [<c007a694>] (mmap_region+0x0/0x494) from [<c007adec>] (do_mmap_pgoff+0x2c4/0x324)
. s: T8 Q: r+ w[   76.551694] [<c007ab28>] (do_mmap_pgoff+0x0/0x324) from [<c007aeec>] (sys_mmap_pgoff+0xa0/0xd0); Y5 ~6 S5 m+ K8 w: c1 k
[   76.563987] [<c007ae4c>] (sys_mmap_pgoff+0x0/0xd0) from [<c0009440>] (ret_fast_syscall+0x0/0x2c)
5 l0 Y3 \, h8 S' Q3 F[   76.574327] Mem-info:; ]. x. }% ^* L4 `' Z
[   76.576657] DMA per-cpu:6 _  a! j$ t% ^* T1 r7 L
[   76.579223] CPU    0: hi:    0, btch:   1 usd:   0
. i9 V& P9 n# U2 q6 `. t[   76.587174] active_anon:1430 inactive_anon:35 isolated_anon:0- z* |  D& Z  q2 ^, {# [! l& O- K
[   76.587198]  active_file:867 inactive_file:896 isolated_file:0$ K8 k6 I# D" x8 c. a- r
[   76.587216]  unevictable:0 dirty:0 writeback:0 unstable:0. Z9 z0 R8 x+ a5 Y8 o. f0 W: q
[   76.587232]  free:258 slab_reclaimable:286 slab_unreclaimable:7894 T3 ~* R% B& l3 g
[   76.587251]  mapped:1276 shmem:132 pagetables:122 bounce:0
/ V5 M. A" o8 Y7 M( ^$ C/ f[   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+ _. X3 p9 ^" o: C! s
[   76.661444] lowmem_reserve[]: 0 0 08 z% g4 }# a6 L( E1 J; G/ ^" l* ]' G5 R- Z( u
[   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
; q) s* ]7 R1 T" b: a9 D; [[   76.677034] 1884 total pagecache pages
1 O5 Y0 _* M) m[   76.680817] 0 pages in swap cache
0 e! P5 F3 L  ^' A# `' ~1 w# ~3 ~[   76.687285] Swap cache stats: add 0, delete 0, find 0/0/ x1 J+ q6 k' I% |8 H4 D
[   76.693996] Free swap  = 0kB
. O6 `6 ]1 E) l! H8 I$ y[   76.696926] Total swap = 0kB
+ d8 ]- i  f  q: B' \1 U[   76.701578] 8192 pages of RAM
$ f, f1 n. v; }. H" `' I" _[   76.707668] 405 free pages! W/ Q0 E% P% N: N  q) e
[   76.710418] 1555 reserved pages. P+ e$ [$ w, d) p
[   76.715882] 838 slab pages
9 y7 D/ K4 c4 F7 t2 v) p[   76.718631] 1851 pages shared
( G* k5 ]( W0 N$ o5 s% H[   76.721620] 0 pages swap cached
' y' U2 y0 I) M% v3 Q9 n' o[   76.728009] vpif_capture vpif_capture: dma_alloc_coherent size 4149248 failed
# {4 ?  y% G2 _/ x% |7 m# X; ACannot mmap = 0 buffer, ^) `+ r) ]7 m
VIDIOC_STREAMON, M# T/ F/ w+ i7 M- p! N
: Input/output error! c3 s/ M! V% e4 r" |
[ERROR|start@capturer.cpp,27] fail to start capture
1 r7 E% ?$ i' `' kQThread::start: Thread creation error: Resource temporarily unavailable
0 F( W% @  k& a9 l* n[DEBUG|start@playbacker.cpp,25] it's about to start playback
  B# n! P- a9 i  T% Z6 ?' d  u, X  p3 T9 t+ _9 y7 p
用led双核可以，这个demo就不行了，怎么解决啊
/ Y  u) |3 H6 o7 J* ?! u& x4 A, r. m/ O: q1 X# K* e% f
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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；$ j9 u2 c$ r2 ^; g# Y! ^; x
1.vpif capture模式选择，vpif_capture_format值：( Y) F3 Z/ l- ^2 }) s- {& \; G
HDTV：预留* B# l/ _4 g: {, J, O
SDTV: TL5147
& L8 ]' N/ d! u5 w: ZRAW:TL2640, v2 p1 Y3 L7 B+ E  f4 h
2.（ov2640配置分辨率为640*480 = 640*480*2 = 614400）; g0 l: R) j& I# u6 h# N+ x
vpif_capture.ch0_bufsize=614400
  \+ f2 L- U3 `" X% E例如：  S, g( r; H2 F6 J9 f$ Y  s& O/ }8 B
U-Boot >      setenv optargs  ${optargs} vpif_capture_format=RAW vpif_capture.ch0_bufsize=614400  p4 B) ~% E0 }: J7 r% a% u% b
说明：optargs变量为参数添加变量，主要给需要添加参数传递给内核。
& [8 A0 u. A$ V  `8 n 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
, X* d8 S+ y. r; O; U  K1 L6 zemac-mode=mii
; G% R1 X( q. y: S: q( M8 u, s8 eethact=DaVinci-EMAC
' O! a1 `% o7 k7 {' Tethaddr=16:01:c0:17:45:e5
- V+ D' p& f) S1 C; L, u- phwconfig=dsp:wake=yes# n: Y* v8 ?, [7 P4 n
ipaddr=10.3.2.996 M" E2 P. z/ U) B
loadaddr=0xc0700000
4 a2 j) b! s& i7 kloadbootscr=fatload mmc ${mmcdev} ${scraddr} ${bootscr}3 d# e3 C/ e) i3 O  r5 j3 A$ y0 L
loadimage=fatload mmc ${mmcdev} ${loadaddr} ${bootfile}2 f/ ^% g2 O1 ^6 ?% D& K* N& w
mem_args=mem=32M@0xc0000000 mem=64M@0xc40000008 c: `! F. t( \. R
mmcargs=setenv bootargs ${commonargs} root=${mmcroot} rootfstype=${mmcrootfstype}6 V6 N7 u7 }% \+ t! ]: C! k
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 ${loadaddr}; fi; fi;
. p! A1 B+ ]& Immcdev=0
, y5 ]/ H) c+ Ommcroot=/dev/mmcblk0p2 rw
9 ]; M' R& w! S( d& {; ~4 ^mmcrootfstype=ext3 rootwait
. T, d( i! n9 U% a  p) {& Smtddevname=env$ y: w" M! N" E  I& u
mtddevnum=0+ x. g9 T% @/ i
mtdids=nand0=davinci_nand.0
6 @$ n3 R/ }$ H7 i+ q; Cmtdparts=mtdparts=davinci_nand.0:128k(env),512k(spl),512k(u-boot),4m(kernel),-(filesystem)
  g1 K4 ]0 `8 K8 fnandargs=setenv bootargs ${commonargs} root=${nandroot} rootfstype=${nandrootfstype}
* C) _& t2 U& X: l/ F, r7 A, N2 bnandboot=if nboot ${nandbootpart}; then echo Booting from nand ...; run nandargs; bootm ${loadaddr}; fi;2 U5 K0 n) g7 i5 Z! e
nandbootpart=kernel
) I# C/ b$ x9 Z+ c4 Mnanddev=0
4 {; m+ a8 C: Mnandroot=ubi0_0 ubi.mtd=4,2048
# ]+ G% M$ P: [; W6 `nandrootfstype=ubifs
  R. ?: z$ P$ k9 rnetmask=255.255.255.0, k" G! Z  \/ b. M6 U/ ]
nfsargs=setenv bootargs ${commonargs} ip=dhcp root=/dev/nfs nfsroot=${serverip}{nfspath},nolock rw0 e6 P7 z4 J( R8 k! m9 G/ ~: l
optargs=vpif_capture_format=SDTV vpif_capture.ch0_bufsize=614400) ?5 s8 I3 q8 n1 x# o/ Y
partition=nand0,0+ L7 D: q7 ^4 \
scraddr=0xc06000003 ]2 v9 V$ K2 c
serverip=10.3.2.175
1 Q3 J8 C6 t# ?& K$ t. U. qspiboot=if sf probe ${spidev}; then sf read ${loadaddr} ${spibootaddr} ${spibootsize}; run nandargs; bootm ${loadaddr}; fi;4 N/ [5 b2 O9 ]' d7 H
spibootaddr=0x100000
: G5 ~. O% w% }, fspibootsize=0x400000
8 C8 b0 e3 x) y/ ^& T) Tspidev=03 C0 N# F, n0 U
stderr=serial" D$ Z5 \+ P6 w3 c2 ~( ^7 B6 W
stdin=serial3 b  i% H2 U0 [4 ~$ P
stdout=serial2 [% m% g  b! c" p, H9 P, h3 w
ver=U-Boot 2012.04.01-00059-g7363edf (Apr 21 2015 - 18:15:15)
& X9 {+ a0 V" g- z" b/ {5 r& m5 v1 ?5 i, {

! Z: R+ d4 ~% g, O还是不行
2 i; r8 [1 F- O& _; N+ {9 _& d$ U. |
: ^9 R2 w. Q- ?5 U2 C
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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.& I( E: r/ @2 j; |: j3 z' W
+ ../host/host_app -qws
* C+ e  e/ |1 e, d' N8 a[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync& x! [6 x+ ]- p: O
[DEBUG|resource_sync_wait@resource_sync.c,86] wait resource 16 t& O' B& `9 x4 L' R6 u9 i* v
[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 0 had ready
. e: R4 o  `4 k[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 1 had ready
, B8 Z) g) X0 S7 r# H[DEBUG|resource_sync_post@resource_sync.c,96] post resource 2 had ready1 Z/ ~: q. G. t- s5 \
Camera-Camera
9 U# |  x; J9 R5 ]0 d$ ?[   34.616261] host_app: page allocation failure: order:10, mode:0xd0
# @' [& h# m1 i" F[   34.627157] Backtrace: ) c0 S+ `' K# s9 ~" M
[   34.630203] [<c000c580>] (dump_backtrace+0x0/0x114) from [<c0419474>] (dump_stack+0x18/0x1c)
* p+ R- z( P# s) Q" L3 s, l8 T. T[   34.652340]  r7:00000000 r6:0000000a r5:000000d0 r4:00000001
+ H) M. t( s9 H# ]* G[   34.658528] [<c041945c>] (dump_stack+0x0/0x1c) from [<c0061e0c>] (warn_alloc_failed+0xf8/0x11c), J8 y- ^% V: U( P0 d8 G& v
[   34.669739] [<c0061d14>] (warn_alloc_failed+0x0/0x11c) from [<c006237c>] (__alloc_pages_nodemask+0x54c/0x590)( p$ G) E4 I4 W- D( h2 z3 F& K
[   34.681238]  r3:00000000 r2:00000000( I, V$ B3 L( q0 P2 l  h4 P) k) D
[   34.685216]  r7:00000040 r6:00000035 r5:000000d0 r4:00000000) j; M9 B2 w6 S5 n
[   34.691084] [<c0061e30>] (__alloc_pages_nodemask+0x0/0x590) from [<c000e030>] (__dma_alloc+0xec/0x2fc)$ W1 B) `8 J$ J& ?8 \) N& K$ r
[   34.703957] [<c000df44>] (__dma_alloc+0x0/0x2fc) from [<c000e2d0>] (dma_alloc_coherent+0x5c/0x68)
' g2 `/ g$ K# O. D[   34.714824] [<c000e274>] (dma_alloc_coherent+0x0/0x68) from [<c02e2a4c>] (__videobuf_mmap_mapper+0xac/0x188)$ c! n/ T5 ^6 ^; Z
[   34.726242]  r7:c1bded90 r6:c1371700 r5:c12bd688 r4:c1371764! P% [8 p/ Q* G. U3 h
[   34.732056] [<c02e29a0>] (__videobuf_mmap_mapper+0x0/0x188) from [<c02e0724>] (videobuf_mmap_mapper+0xd4/0x114)
. z+ `, X5 P: q! G; T[   34.744717]  r8:b5317000 r7:c1371280 r6:c12bd688 r5:c1bded90 r4:c12bd688
' @5 t: S& f' c[   34.751646] [<c02e0650>] (videobuf_mmap_mapper+0x0/0x114) from [<c02eb1fc>] (vpif_mmap+0x40/0x50)
( N& w- }; t  B* [, M+ @% B+ Y[   34.763159]  r5:c12bd688 r4:c1bdec001 ^) `  E9 O  b( m7 _# ^" I# s
[   34.766879] [<c02eb1bc>] (vpif_mmap+0x0/0x50) from [<c02d20e4>] (v4l2_mmap+0x70/0x90)" }& `% l8 c( M- S
[   34.777146]  r5:c1bffe00 r4:c1371280
  K8 z& k. ~. a- U[   34.780857] [<c02d2074>] (v4l2_mmap+0x0/0x90) from [<c007a8f0>] (mmap_region+0x25c/0x494)3 I8 T* V+ [3 n2 @
[   34.791444]  r7:c1371280 r6:000000ff r5:c12bd688 r4:00000000
- _" C% U; {. S6 R" l% k3 M/ P[   34.797615] [<c007a694>] (mmap_region+0x0/0x494) from [<c007adec>] (do_mmap_pgoff+0x2c4/0x324)1 }6 @' i5 X1 Y- ~* p
[   34.808680] [<c007ab28>] (do_mmap_pgoff+0x0/0x324) from [<c007aeec>] (sys_mmap_pgoff+0xa0/0xd0)+ ^# f# y* B2 A
[   34.823582] [<c007ae4c>] (sys_mmap_pgoff+0x0/0xd0) from [<c0009440>] (ret_fast_syscall+0x0/0x2c)
, ?2 T! w7 ~" `' u0 o. Y/ Q( M4 f" J3 I[   34.842578] Mem-info:. `, C5 m1 z$ D. ~' M$ F
[   34.844908] DMA per-cpu:5 H9 j3 _$ [" g7 g) C5 {( N! N, g
[   34.847474] CPU    0: hi:    0, btch:   1 usd:   01 [) F. v9 N! k3 k9 {  d" W9 a$ |9 \2 y
[   34.852369] active_anon:1439 inactive_anon:35 isolated_anon:0
. ]! L% o+ z6 P+ n7 g# ][   34.852388]  active_file:718 inactive_file:601 isolated_file:01 W8 r2 N0 s/ W5 I% O; x6 ^
[   34.852404]  unevictable:0 dirty:0 writeback:0 unstable:0/ ~" F( D8 x, j5 N$ W' \
[   34.852420]  free:665 slab_reclaimable:289 slab_unreclaimable:815
1 A7 C5 b0 ?' b2 x) n[   34.852437]  mapped:1087 shmem:132 pagetables:122 bounce:04 g% y, N4 {% U  {" 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
( F2 u7 m: u1 I9 u+ t' F[   35.023590] lowmem_reserve[]: 0 0 0/ S0 \$ S: |% S
[   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
1 d. G4 u: x; D5 z# ]7 F' g6 W[   35.054676] 214 total pagecache pages6 m7 B2 T7 _- b$ C
[   35.058399] 0 pages in swap cache
% C3 Y, z7 T5 ]! C4 [- C/ h[   35.061743] Swap cache stats: add 0, delete 0, find 0/0
2 P* Z" `$ A" {* z& y& W. G[   35.081983] Free swap  = 0kB
9 t. m% T$ I/ g[   35.085058] Total swap = 0kB/ G+ Q* Y1 u- A: C
[   35.089678] 8192 pages of RAM8 O6 e# x4 e6 K1 t7 Z4 o* |
[   35.103088] 2019 free pages
: C/ P3 b6 E! N4 `[   35.105926] 1555 reserved pages
% o& m  K% q* \[   35.109090] 869 slab pages4 G; `1 k+ ]/ G: u
[   35.111813] 161 pages shared6 A* l- v8 r/ o3 k* l
[   35.132854] 0 pages swap cached: Y2 Z6 k/ _) m( ~& l0 R5 k
[   35.136068] vpif_capture vpif_capture: dma_alloc_coherent size 4149248 failed
9 w8 c( J2 a: E% NCannot mmap = 0 buffer: ?+ l4 l6 V: L! b5 l
VIDIOC_STREAMON1 O9 K: G2 Q, q0 N/ S( u- j
: Input/output error+ _) _  t% z3 G' s
[ERROR|start@capturer.cpp,27] fail to start capture
2 x6 Y* w# f% _7 p0 SQThread::start: Thread creation error: Resource temporarily unavailable6 y* l7 @3 [* R  E3 M3 q- J, F
[DEBUG|start@playbacker.cpp,25] it's about to start playback6 `0 O* Z2 W9 I# z+ c4 g
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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& r& B: D; g7 U: ^5 J
             total       used       free     shared    buffers     cached
2 P5 b' r2 R. p. N& RMem:         26548      19728       6820          0          0       2884
/ V" p/ y/ ?& g( m9 T6 a+ r-/+ buffers/cache:      16844       97040 i9 E- ]2 q  p; y3 t
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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