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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
/ R7 h, k. g6 C3 o( L3 F0 z7 o- r# g+ I% e& ~
+ MODULE_NAME=syslink
+ X" S: T7 Y0 ?' }4 Y+ _7 [+ lsmod
- z" C& ?: w# f7 V+ grep syslink
4 ?6 h2 f( q8 L4 D- l& q' u; D+ '[' 0 -ne 0 ']'! T8 v/ n/ c& R8 v& U( w
+ ./slaveloader startup DSP ../dsp/bin/debug/server_dsp.xe674
1 J9 r- `8 p8 z1 I2 Q. o+ b. jAttached to slave procId 0.1 {, Q* G0 E& X' }  }
Loading procId 0.
5 q0 Z+ O' q  R0 I8 ULoaded file ../dsp/bin/debug/server_dsp.xe674 on slave procId 0.
" u1 g$ |! h* PStarted slave procId 0.
# V0 Q+ p+ i/ q' A+ ../host/host_app -qws& [1 F0 t$ L( f! O( V, Q
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
( G/ x' b" ]5 E: C[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync3 \- L9 I# T) U
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync& b# K$ Z9 N4 F  i9 b" s
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync5 ^$ p) E# o; `) j" |3 L: Z" D6 [; U6 o
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
8 V9 d; o" v. [[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
" h3 y4 U. ]) i' g7 A- b+ i[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
% Z$ ^" J8 [1 z1 [0 C0 z[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync. D: t+ y  j* s# D5 D5 o' M& q1 @4 B3 k
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
) F# ?6 g* B5 x' A9 K[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync0 @. c; V5 A$ [9 O) t
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync6 g; D+ X9 Q' n! V2 m" o/ ?( _" r5 Z
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
5 y7 `/ ~) Y1 O! _[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync- @6 [- j" |1 M1 G& A
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
" }# Y4 A; X) r3 d[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
  P6 c. N6 o( f; c1 W[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
& H- u& c/ ]& P* m% r; j" `" u( U# f[DEBUG|resource_sync_wait@resource_sync.c,86] wait resource 1
! J3 K6 T! Y: f[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 0 had ready+ {: p- ~. [' O
[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 1 had ready
0 s# B- f6 D8 T[DEBUG|resource_sync_post@resource_sync.c,96] post resource 2 had ready6 _3 m% ^1 p$ y) ~4 ^! A
Camera-Camera2 L) j$ A/ ?/ K$ J
[   76.366400] host_app: page allocation failure: order:10, mode:0xd0
+ F* b8 ^' j  O3 _* t* u1 V, [[   76.377606] Backtrace:
+ x% w$ l! N6 |2 J. }[   76.380222] [<c000c580>] (dump_backtrace+0x0/0x114) from [<c0419474>] (dump_stack+0x18/0x1c)% t8 e# q1 w! D- v2 u+ t
[   76.397060]  r7:00000000 r6:0000000a r5:000000d0 r4:00000001$ o# T+ q! t1 a; h; L0 M
[   76.403249] [<c041945c>] (dump_stack+0x0/0x1c) from [<c0061e0c>] (warn_alloc_failed+0xf8/0x11c)
) `& [- j' U8 G2 S7 E& }- F$ u[   76.412099] [<c0061d14>] (warn_alloc_failed+0x0/0x11c) from [<c006237c>] (__alloc_pages_nodemask+0x54c/0x590)
6 a7 `: z# s- y6 ]5 {; N: r[   76.425768]  r3:00000000 r2:00000000
/ e# k( k7 l5 j& B[   76.429410]  r7:00000040 r6:00000035 r5:000000d0 r4:00000000
. e( g+ `' m, V2 P[   76.436700] [<c0061e30>] (__alloc_pages_nodemask+0x0/0x590) from [<c000e030>] (__dma_alloc+0xec/0x2fc)
- a8 r8 t* p. R- k7 s9 s  P/ q3 c+ h. M+ t[   76.448512] [<c000df44>] (__dma_alloc+0x0/0x2fc) from [<c000e2d0>] (dma_alloc_coherent+0x5c/0x68)" }& n- X* n' ^' g. K" d/ D
[   76.459091] [<c000e274>] (dma_alloc_coherent+0x0/0x68) from [<c02e2a4c>] (__videobuf_mmap_mapper+0xac/0x188)) _- u) P6 @9 F
[   76.470521]  r7:c1bded90 r6:c1113b80 r5:c12d1b00 r4:c1113be4; }& [$ p. ?' y* N: W3 ~
[   76.476678] [<c02e29a0>] (__videobuf_mmap_mapper+0x0/0x188) from [<c02e0724>] (videobuf_mmap_mapper+0xd4/0x114)7 k: P7 ?4 U/ U' T. _( g
[   76.489213]  r8:b52dc000 r7:c1113380 r6:c12d1b00 r5:c1bded90 r4:c12d1b00* E& k2 h0 s3 h( z+ c/ Z$ `
[   76.496486] [<c02e0650>] (videobuf_mmap_mapper+0x0/0x114) from [<c02eb1fc>] (vpif_mmap+0x40/0x50)+ _1 x( l- S0 o+ z2 K
[   76.507848]  r5:c12d1b00 r4:c1bdec00
- I/ @+ G3 j9 [$ x* H& g[   76.511602] [<c02eb1bc>] (vpif_mmap+0x0/0x50) from [<c02d20e4>] (v4l2_mmap+0x70/0x90)
6 Z+ i4 y+ x" h$ K5 L8 ?[   76.521828]  r5:c1bffe00 r4:c1113380
+ d# n- D1 X. K' {9 x% ~0 Y4 _/ j[   76.526209] [<c02d2074>] (v4l2_mmap+0x0/0x90) from [<c007a8f0>] (mmap_region+0x25c/0x494)1 [2 [2 g0 {* H6 y- G  }
[   76.536792]  r7:c1113380 r6:000000ff r5:c12d1b00 r4:000000008 ^7 }  W+ U0 q/ Q* v
[   76.542984] [<c007a694>] (mmap_region+0x0/0x494) from [<c007adec>] (do_mmap_pgoff+0x2c4/0x324)
- G& Z! T9 w5 _- V$ g0 Z3 p[   76.551694] [<c007ab28>] (do_mmap_pgoff+0x0/0x324) from [<c007aeec>] (sys_mmap_pgoff+0xa0/0xd0)
3 E+ D' F% _% Q# e; g' M# k; s[   76.563987] [<c007ae4c>] (sys_mmap_pgoff+0x0/0xd0) from [<c0009440>] (ret_fast_syscall+0x0/0x2c)7 f7 L3 ~3 ~7 A! `9 C% u9 L1 i
[   76.574327] Mem-info:
4 d6 }$ l2 z6 f7 G; |* @: [& K[   76.576657] DMA per-cpu:
7 K( }3 b2 |1 I4 J7 E[   76.579223] CPU    0: hi:    0, btch:   1 usd:   0
, a- [7 s' x  G' n[   76.587174] active_anon:1430 inactive_anon:35 isolated_anon:02 N  t- ?+ L% j2 P8 O
[   76.587198]  active_file:867 inactive_file:896 isolated_file:0) V  J" i- l" p2 g8 \) b
[   76.587216]  unevictable:0 dirty:0 writeback:0 unstable:0+ W! h1 }& W' I" }
[   76.587232]  free:258 slab_reclaimable:286 slab_unreclaimable:7894 }& F/ [7 w8 j# U$ T: E
[   76.587251]  mapped:1276 shmem:132 pagetables:122 bounce:00 }! {/ X1 b% [
[   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
* S$ {3 Q7 L9 p+ Q[   76.661444] lowmem_reserve[]: 0 0 0* H# [, E' k# N/ q- _/ _$ n3 X) @* L6 b
[   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/ c& t( L- x" c4 b' h: w
[   76.677034] 1884 total pagecache pages; I5 q& [* A. }& r" e& Z$ o
[   76.680817] 0 pages in swap cache
5 I% q/ a' ~1 L: Q: M+ l[   76.687285] Swap cache stats: add 0, delete 0, find 0/0
7 n$ {% P3 q4 U$ b& s; E[   76.693996] Free swap  = 0kB
( u5 b' _; n6 E+ {) t0 N[   76.696926] Total swap = 0kB" p" x8 p4 [. G- o* q2 s: A( [5 _  L
[   76.701578] 8192 pages of RAM0 ^  K: C( }9 O/ q
[   76.707668] 405 free pages! J, R9 j  U3 {: O" ^: L' r
[   76.710418] 1555 reserved pages/ n+ O( H# z0 L# g0 t( z# W
[   76.715882] 838 slab pages  c! ^! X; Z3 D+ f
[   76.718631] 1851 pages shared
% c; N  A" ?" Y2 ?  e[   76.721620] 0 pages swap cached
( c( ^( e2 v! \2 f- H7 A& ^[   76.728009] vpif_capture vpif_capture: dma_alloc_coherent size 4149248 failed/ M+ s4 B0 k, x  H
Cannot mmap = 0 buffer
9 @0 n: w( ]7 K! WVIDIOC_STREAMON9 S$ U0 c3 R0 [) ?
: Input/output error8 W9 [% B& ]0 E! t; c2 q' ~
[ERROR|start@capturer.cpp,27] fail to start capture
/ e; G$ g, i. G0 oQThread::start: Thread creation error: Resource temporarily unavailable# y9 s9 ~; O: u+ z# X  w7 g( x
[DEBUG|start@playbacker.cpp,25] it's about to start playback
0 Y" G' }6 |/ E+ I& Q8 u
8 X0 |2 Z. L6 i" i; h5 r用led双核可以，这个demo就不行了，怎么解决啊
$ o; F* @2 n" q! l7 u; G9 R" W1 S; e1 [2 ^
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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；
- t* a! O: F; `7 M  F( P1.vpif capture模式选择，vpif_capture_format值：) O. ^* O" @7 X7 r# z7 [
HDTV：预留
8 g5 `  r9 j+ }5 s) R- A8 @SDTV: TL5147$ G8 A8 [6 X$ {0 v' S
RAW:TL26405 V9 U# ?3 \' r" O$ H9 o6 h0 r
2.（ov2640配置分辨率为640*480 = 640*480*2 = 614400）3 Z+ ]& o- |% H: E' ~
vpif_capture.ch0_bufsize=614400
: g$ ]% P2 w: L- g例如：! z* A% y2 \, @6 X
U-Boot >      setenv optargs  ${optargs} vpif_capture_format=RAW vpif_capture.ch0_bufsize=614400
. b) h% H6 i6 f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。! P7 w, ]" n( _- Y% \) e0 w
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. b0 |( Z# C: o% I$ d1 s6 @; }$ t. B
emac-mode=mii
! ~7 |9 _4 K' T, o- Fethact=DaVinci-EMAC- V  O  T  s' R; u+ V' I
ethaddr=16:01:c0:17:45:e5
6 ]2 E; f" P: w$ y3 d! `# S& M; t# ihwconfig=dsp:wake=yes7 w* w7 @' l) `, c4 y+ d
ipaddr=10.3.2.990 r) ^3 ^9 d' L9 j" I7 k# n! a
loadaddr=0xc0700000
4 d3 h' B4 `1 I2 F. v( s& v4 a% m3 xloadbootscr=fatload mmc ${mmcdev} ${scraddr} ${bootscr}
0 `8 q) R2 R, t0 U6 B  y9 b, \6 eloadimage=fatload mmc ${mmcdev} ${loadaddr} ${bootfile}% O" f3 l- R" W+ U1 z' J+ j+ u
mem_args=mem=32M@0xc0000000 mem=64M@0xc4000000) ?5 i% x" V8 @0 @
mmcargs=setenv bootargs ${commonargs} root=${mmcroot} rootfstype=${mmcrootfstype}
5 x; i- |/ C) A4 |9 immcboot=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 ${loadaddr}; fi; fi;' r8 j! O3 m& C- O1 f' X
mmcdev=0
2 J7 H! O8 M& L* dmmcroot=/dev/mmcblk0p2 rw
% B) l9 F7 R1 k6 S! ^mmcrootfstype=ext3 rootwait' }5 ~! w3 T% O) S! r& Q) |" e4 w6 m
mtddevname=env
) D8 u; r6 n& w8 d+ z6 g$ i  kmtddevnum=0. n- n' t% C0 M  a3 A0 A( R
mtdids=nand0=davinci_nand.0
9 y; _9 i% I# q8 ]4 }- \$ c# r: e/ Kmtdparts=mtdparts=davinci_nand.0:128k(env),512k(spl),512k(u-boot),4m(kernel),-(filesystem)
( q3 I. B2 _' M( f( f( hnandargs=setenv bootargs ${commonargs} root=${nandroot} rootfstype=${nandrootfstype}9 [. p& I7 v- W* U: u5 p: W
nandboot=if nboot ${nandbootpart}; then echo Booting from nand ...; run nandargs; bootm ${loadaddr}; fi;: I# p& e! y7 u) v' b" |4 r
nandbootpart=kernel
. z; {* Y; T+ Unanddev=0
6 b0 o: H9 Z  m7 t8 @: Xnandroot=ubi0_0 ubi.mtd=4,2048
7 X2 |2 ?# V9 A: {2 r4 t0 cnandrootfstype=ubifs/ Y% U4 h* y. ~$ a1 y
netmask=255.255.255.0
) H9 W3 `7 W/ C1 enfsargs=setenv bootargs ${commonargs} ip=dhcp root=/dev/nfs nfsroot=${serverip}{nfspath},nolock rw" H* F' S3 r0 Q; ]
optargs=vpif_capture_format=SDTV vpif_capture.ch0_bufsize=6144002 Q0 y" v- p5 m" V4 r
partition=nand0,0
& y, H7 `0 L4 ?0 E8 A$ [0 j+ Pscraddr=0xc0600000
; k( W4 k' d5 r/ }serverip=10.3.2.175
  ^* Y" v# [0 z' Rspiboot=if sf probe ${spidev}; then sf read ${loadaddr} ${spibootaddr} ${spibootsize}; run nandargs; bootm ${loadaddr}; fi;
! w  A! q* n5 R4 @spibootaddr=0x100000
& \$ _/ W3 N' d9 q$ b4 |! j1 \spibootsize=0x400000; U4 l! f& L7 y4 U1 W2 L# [& a
spidev=0* [8 |! y( ?6 Z8 d
stderr=serial( _7 b$ O( O( [% Z3 A
stdin=serial8 b  V- A1 w5 }* N4 ?
stdout=serial
; p) C+ c, r/ h# Lver=U-Boot 2012.04.01-00059-g7363edf (Apr 21 2015 - 18:15:15)
" e  C1 C7 d3 ]7 S/ J" s
" O  N' U0 A  D+ U- n/ R  o, s- T7 X: x. E4 Z- b
还是不行
3 v: e# h. |" R: ]- `
, F$ u( M4 i% Z8 Z
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robinluo123

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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.; h# ?+ K# j! y7 Z
+ ../host/host_app -qws
; ]7 k- g9 F* }7 h* b/ G[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync6 B. j2 Y1 A* V+ a# k
[DEBUG|resource_sync_wait@resource_sync.c,86] wait resource 1- {8 J& s0 S; z9 l2 e, S6 y5 S
[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 0 had ready
" c# a: Q4 ?" b& P! V+ {+ `[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 1 had ready) I, X) _% F& k  h
[DEBUG|resource_sync_post@resource_sync.c,96] post resource 2 had ready- r0 |) l# t/ T1 i
Camera-Camera
/ Q. u2 h" R, c! w" c: ][   34.616261] host_app: page allocation failure: order:10, mode:0xd0
' |) v7 N" D& c$ z. I9 h( R$ y[   34.627157] Backtrace:
8 g: q; m$ l; b. a[   34.630203] [<c000c580>] (dump_backtrace+0x0/0x114) from [<c0419474>] (dump_stack+0x18/0x1c)+ R  j: I6 j: Y$ v# w( U
[   34.652340]  r7:00000000 r6:0000000a r5:000000d0 r4:00000001
1 X# \) w# I$ o[   34.658528] [<c041945c>] (dump_stack+0x0/0x1c) from [<c0061e0c>] (warn_alloc_failed+0xf8/0x11c)! p, t# Y6 T/ t& d7 ~, Q
[   34.669739] [<c0061d14>] (warn_alloc_failed+0x0/0x11c) from [<c006237c>] (__alloc_pages_nodemask+0x54c/0x590)4 {" ?. b( T' E( _+ Q
[   34.681238]  r3:00000000 r2:000000002 k" B) M) {6 Z7 n/ O& j
[   34.685216]  r7:00000040 r6:00000035 r5:000000d0 r4:00000000! _2 x. k5 }6 S4 ^: x) {
[   34.691084] [<c0061e30>] (__alloc_pages_nodemask+0x0/0x590) from [<c000e030>] (__dma_alloc+0xec/0x2fc)
9 l3 D1 _* x& {' B/ k+ p) z* E[   34.703957] [<c000df44>] (__dma_alloc+0x0/0x2fc) from [<c000e2d0>] (dma_alloc_coherent+0x5c/0x68)1 k& I$ B- f0 J  E4 u+ g( m6 Y
[   34.714824] [<c000e274>] (dma_alloc_coherent+0x0/0x68) from [<c02e2a4c>] (__videobuf_mmap_mapper+0xac/0x188)' n# P0 j/ j  S/ u8 }" x+ l4 |0 m$ {
[   34.726242]  r7:c1bded90 r6:c1371700 r5:c12bd688 r4:c1371764- d: R$ ]& A% _) ]6 l# r
[   34.732056] [<c02e29a0>] (__videobuf_mmap_mapper+0x0/0x188) from [<c02e0724>] (videobuf_mmap_mapper+0xd4/0x114)
  ?! d3 _( l4 X% W1 n: ]: c. C' R[   34.744717]  r8:b5317000 r7:c1371280 r6:c12bd688 r5:c1bded90 r4:c12bd688
( p( p/ w) ~# T* k[   34.751646] [<c02e0650>] (videobuf_mmap_mapper+0x0/0x114) from [<c02eb1fc>] (vpif_mmap+0x40/0x50)+ {) o3 J& ~6 E3 b( \
[   34.763159]  r5:c12bd688 r4:c1bdec00
) \3 Z% y" t3 c, `! j[   34.766879] [<c02eb1bc>] (vpif_mmap+0x0/0x50) from [<c02d20e4>] (v4l2_mmap+0x70/0x90)
6 f4 e2 n0 a. F[   34.777146]  r5:c1bffe00 r4:c1371280
3 ?1 C9 K6 G: j: |2 {) F& a[   34.780857] [<c02d2074>] (v4l2_mmap+0x0/0x90) from [<c007a8f0>] (mmap_region+0x25c/0x494)9 O* p! h8 J4 B3 n% P# F
[   34.791444]  r7:c1371280 r6:000000ff r5:c12bd688 r4:00000000
5 F! D* ?. y3 _* d[   34.797615] [<c007a694>] (mmap_region+0x0/0x494) from [<c007adec>] (do_mmap_pgoff+0x2c4/0x324)' M& ?, E+ c  }$ E! ~; B) u. G( @+ M1 L
[   34.808680] [<c007ab28>] (do_mmap_pgoff+0x0/0x324) from [<c007aeec>] (sys_mmap_pgoff+0xa0/0xd0)5 _: E( ]8 s4 Q$ P
[   34.823582] [<c007ae4c>] (sys_mmap_pgoff+0x0/0xd0) from [<c0009440>] (ret_fast_syscall+0x0/0x2c)
3 E7 C" x: {& D4 ^" N5 [[   34.842578] Mem-info:* \( _/ b, R' L: v/ [
[   34.844908] DMA per-cpu:
) \8 s3 @, C" T5 t( G- J[   34.847474] CPU    0: hi:    0, btch:   1 usd:   0) N* e, T& y& D* b1 q. d
[   34.852369] active_anon:1439 inactive_anon:35 isolated_anon:0
2 \, Q! |6 e  z, }& e/ s7 z0 t[   34.852388]  active_file:718 inactive_file:601 isolated_file:0
" s1 l0 i7 o, k( Z8 V1 K[   34.852404]  unevictable:0 dirty:0 writeback:0 unstable:0
6 i7 e1 S0 L# L5 o9 _' D[   34.852420]  free:665 slab_reclaimable:289 slab_unreclaimable:815
. p3 ^  i/ W' C7 u( F[   34.852437]  mapped:1087 shmem:132 pagetables:122 bounce:0" ?& |  |4 V. ~( X' _: e
[   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$ n. e3 u3 R2 }8 h, J3 [; \
[   35.023590] lowmem_reserve[]: 0 0 07 m; m* t) @; ~6 ^3 T1 V
[   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+ D$ _8 d8 J; ~
[   35.054676] 214 total pagecache pages
1 G  l9 F1 V; a[   35.058399] 0 pages in swap cache$ i8 k0 Q1 f2 [7 N7 v0 N- ^
[   35.061743] Swap cache stats: add 0, delete 0, find 0/0) w: @# d7 O5 i' U& }' K
[   35.081983] Free swap  = 0kB
) E- e/ P" e; u8 N) L" T[   35.085058] Total swap = 0kB
' ^. ]. N3 F( c4 l  }) ~[   35.089678] 8192 pages of RAM
, [# b% v2 i6 ?# ~& Q" V  }! }- C! g[   35.103088] 2019 free pages
- y6 {$ a( n/ Q; d: F' ]7 ^- ?[   35.105926] 1555 reserved pages
5 G; D! Y8 k5 [# p3 F4 V[   35.109090] 869 slab pages/ g1 h+ Q; i7 v; ?- C) S
[   35.111813] 161 pages shared
& y3 u8 `- k- R3 \0 B8 Z/ B[   35.132854] 0 pages swap cached: _$ E4 [/ Z, I" a% b8 p
[   35.136068] vpif_capture vpif_capture: dma_alloc_coherent size 4149248 failed0 K" c1 }7 O! Q
Cannot mmap = 0 buffer
( {, F0 @- T/ c# c  V- l! `VIDIOC_STREAMON
9 U- u. X/ ^( K; q% V: Input/output error
& E6 X# G, ~' k" E. N0 F' _; q[ERROR|start@capturer.cpp,27] fail to start capture7 I, L' d2 ?8 g- _- o8 p* ^
QThread::start: Thread creation error: Resource temporarily unavailable
) v" G# D# x* u, m[DEBUG|start@playbacker.cpp,25] it's about to start playback
6 ^" B! _& k& l8 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
) R; \) F3 l( F$ X* }4 N9 y6 u             total       used       free     shared    buffers     cached& w7 o2 [: c) ^; N1 f
Mem:         26548      19728       6820          0          0       2884
( x9 H' C& M, G-/+ buffers/cache:      16844       9704. g  u3 S6 g$ ?3 q. v) q
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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