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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 2 C. j: k) E5 R$ I5 [
2 Q% e2 q1 y* S3 [0 m7 C
+ MODULE_NAME=syslink6 l2 H6 u& b9 N6 N: c3 D" v$ M
+ lsmod1 }7 j: l+ V4 Z3 v8 k
+ grep syslink# M/ |: v" u7 Z
+ '[' 0 -ne 0 ']'
" S& l+ V  r! G4 g9 E! e. ]. U/ `+ ./slaveloader startup DSP ../dsp/bin/debug/server_dsp.xe6744 q1 H: \  z. {0 \0 ~; O3 X, H
Attached to slave procId 0., X1 {5 K- I* B/ d9 @- R0 U( |6 T
Loading procId 0.
% ~, `- T% V( z6 y5 H4 ~Loaded file ../dsp/bin/debug/server_dsp.xe674 on slave procId 0.+ z/ m# X, I. k0 p+ I
Started slave procId 0.; g3 q, ]# l4 o" p/ K
+ ../host/host_app -qws+ D: }: }/ N# a1 Z% I
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
( o, j- Y0 Z9 X5 R. B( v; ][TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
! O7 x$ ]+ h! Z$ U6 t[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync$ M6 m- K) n  I4 j' {
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync# S* `4 z: r6 u( ^% b6 L
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
% e+ g1 K  Y! d+ J3 _8 n7 _4 i[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
. I  T1 B" i4 Y9 H6 s0 p  h4 J9 h; Q[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync" o! m& i, M8 X' p9 W% H
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync) B. @0 x$ J4 f+ b8 Y' n
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync* W5 U7 E) G& s  ?$ g7 \/ l- A
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
, f0 d7 Y/ u- C+ R# R[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
9 {( {7 M* o5 N2 f) S8 B[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
, L: ~! M% }) j# [, }, S, T/ ^8 [) V[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync3 V; |+ i) {6 q5 @! s
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
; [! v+ R1 p  W[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
4 w0 ]" J- }* A8 [: m# ^8 }[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
! y- o1 E) K& u9 J6 Y[DEBUG|resource_sync_wait@resource_sync.c,86] wait resource 16 O: \% I' A+ X& B( k5 R
[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 0 had ready
' D% |4 a$ z" S4 s% P3 b[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 1 had ready8 M. f1 w0 Z& N) ^7 d
[DEBUG|resource_sync_post@resource_sync.c,96] post resource 2 had ready
- c% E! N% E2 Q- l8 e9 h2 ?  DCamera-Camera1 \0 W, A( \  j4 j$ Y
[   76.366400] host_app: page allocation failure: order:10, mode:0xd0& C+ ^4 `. M4 ?: M3 {$ f) p
[   76.377606] Backtrace: ) d1 Q% F6 z. O% A1 Z6 n
[   76.380222] [<c000c580>] (dump_backtrace+0x0/0x114) from [<c0419474>] (dump_stack+0x18/0x1c)
; |0 t  v$ N0 P[   76.397060]  r7:00000000 r6:0000000a r5:000000d0 r4:00000001
, ?7 ~. I: Q0 M  a! Y[   76.403249] [<c041945c>] (dump_stack+0x0/0x1c) from [<c0061e0c>] (warn_alloc_failed+0xf8/0x11c)' J6 k, {. G" B
[   76.412099] [<c0061d14>] (warn_alloc_failed+0x0/0x11c) from [<c006237c>] (__alloc_pages_nodemask+0x54c/0x590)
# }3 t) I7 M9 B& d[   76.425768]  r3:00000000 r2:00000000
2 F8 A. p! v( G/ P0 D! c[   76.429410]  r7:00000040 r6:00000035 r5:000000d0 r4:00000000
! t) I" ]% J. l[   76.436700] [<c0061e30>] (__alloc_pages_nodemask+0x0/0x590) from [<c000e030>] (__dma_alloc+0xec/0x2fc)6 g2 r* p6 U. j& J! X2 f
[   76.448512] [<c000df44>] (__dma_alloc+0x0/0x2fc) from [<c000e2d0>] (dma_alloc_coherent+0x5c/0x68)
/ w$ u$ s. |2 ^[   76.459091] [<c000e274>] (dma_alloc_coherent+0x0/0x68) from [<c02e2a4c>] (__videobuf_mmap_mapper+0xac/0x188)+ c8 E/ Z/ W. i, Y& _
[   76.470521]  r7:c1bded90 r6:c1113b80 r5:c12d1b00 r4:c1113be49 q' \2 w( x7 ?- }3 w  T* M
[   76.476678] [<c02e29a0>] (__videobuf_mmap_mapper+0x0/0x188) from [<c02e0724>] (videobuf_mmap_mapper+0xd4/0x114)7 a* h2 i5 ^" {# J1 G9 k8 Y' P
[   76.489213]  r8:b52dc000 r7:c1113380 r6:c12d1b00 r5:c1bded90 r4:c12d1b00
. j$ y' k% }3 L. R1 i( W[   76.496486] [<c02e0650>] (videobuf_mmap_mapper+0x0/0x114) from [<c02eb1fc>] (vpif_mmap+0x40/0x50)3 ^" Y. [2 y; ?3 g
[   76.507848]  r5:c12d1b00 r4:c1bdec002 U/ z4 v. j7 E
[   76.511602] [<c02eb1bc>] (vpif_mmap+0x0/0x50) from [<c02d20e4>] (v4l2_mmap+0x70/0x90)
* `' I) l% X7 K# ?[   76.521828]  r5:c1bffe00 r4:c11133802 m/ l  j0 K4 k- C% ^8 J0 E1 M& l5 ?
[   76.526209] [<c02d2074>] (v4l2_mmap+0x0/0x90) from [<c007a8f0>] (mmap_region+0x25c/0x494)
# V% e  |8 d3 R[   76.536792]  r7:c1113380 r6:000000ff r5:c12d1b00 r4:00000000% X$ F' d4 V: M' l. F/ f* A; o
[   76.542984] [<c007a694>] (mmap_region+0x0/0x494) from [<c007adec>] (do_mmap_pgoff+0x2c4/0x324)6 U- o- y  g/ g% X9 e( S
[   76.551694] [<c007ab28>] (do_mmap_pgoff+0x0/0x324) from [<c007aeec>] (sys_mmap_pgoff+0xa0/0xd0)3 y, l! B& @: F. p
[   76.563987] [<c007ae4c>] (sys_mmap_pgoff+0x0/0xd0) from [<c0009440>] (ret_fast_syscall+0x0/0x2c)
: }6 T9 c5 y, {# O# d2 b* l! v[   76.574327] Mem-info:
% F# M9 `$ }4 \5 _5 b[   76.576657] DMA per-cpu:. p; R+ h  X- k; C$ ]
[   76.579223] CPU    0: hi:    0, btch:   1 usd:   0! j; w% f: T5 r5 q
[   76.587174] active_anon:1430 inactive_anon:35 isolated_anon:0
) g8 I/ d  ~. {& K! N4 |[   76.587198]  active_file:867 inactive_file:896 isolated_file:0
& @% l: N: l* H% q8 N[   76.587216]  unevictable:0 dirty:0 writeback:0 unstable:0
# K' p. P" D3 o% j9 l9 U[   76.587232]  free:258 slab_reclaimable:286 slab_unreclaimable:789
; ], Y5 R" f8 L% Q0 g[   76.587251]  mapped:1276 shmem:132 pagetables:122 bounce:04 ]- r( ^% S% B4 |
[   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
2 D; d( U0 w- ]; D6 i# y7 t[   76.661444] lowmem_reserve[]: 0 0 09 @- _5 b' ]) ]/ W8 I, e
[   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 = 1076kB3 L! Y; W1 r0 n+ G8 v2 n
[   76.677034] 1884 total pagecache pages
: R0 {) }, g/ k: [% k7 l[   76.680817] 0 pages in swap cache" K) E! q8 q+ S# T* V3 W  x0 I% [  d8 n6 G
[   76.687285] Swap cache stats: add 0, delete 0, find 0/0
6 U5 N( M7 D# v& |8 {[   76.693996] Free swap  = 0kB
/ o: L6 r* }! T! H+ v% v$ a[   76.696926] Total swap = 0kB
, B* ]( W& z1 l+ s1 |) K+ F[   76.701578] 8192 pages of RAM, E+ V9 `7 r" D: f# m! [
[   76.707668] 405 free pages
! E7 o8 ^+ I% |) C' M[   76.710418] 1555 reserved pages3 o8 ?: w6 S3 P0 ]- A4 }3 h4 c
[   76.715882] 838 slab pages9 L* z) S, j: i% _) O* P
[   76.718631] 1851 pages shared& r$ r8 P$ W0 F6 \' `4 B
[   76.721620] 0 pages swap cached
& A6 {, b0 A: q" |  P[   76.728009] vpif_capture vpif_capture: dma_alloc_coherent size 4149248 failed
+ p" l8 c; I6 CCannot mmap = 0 buffer* X& c( _: k; Q) W# H4 M" w6 v( b
VIDIOC_STREAMON
5 H2 E' ]0 E. l6 `9 ]- ^; y, |, J: Input/output error# m/ u/ r) B4 }! W* o) b
[ERROR|start@capturer.cpp,27] fail to start capture2 e+ o6 q0 j, w/ U$ t3 N. w2 T
QThread::start: Thread creation error: Resource temporarily unavailable2 L+ A: [, G& i
[DEBUG|start@playbacker.cpp,25] it's about to start playback
2 o  E3 E; M; g/ s7 o/ p6 J2 n8 j, `3 C
用led双核可以，这个demo就不行了，怎么解决啊
0 |( K7 R( k/ L) j4 l3 t( K* ]4 N2 f3 D& ^7 M
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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；
: N& W1 L. H( h. i1.vpif capture模式选择，vpif_capture_format值：
* |( w, B- d3 f" OHDTV：预留0 C2 W1 L) C. M/ N
SDTV: TL5147
$ Y" z; ]: n( i% F# N7 dRAW:TL2640* P7 D8 l8 N6 f: Y& A
2.（ov2640配置分辨率为640*480 = 640*480*2 = 614400）2 q  Z4 f* u* B
vpif_capture.ch0_bufsize=614400
! N  C2 I, ?" U; w  f9 y1 v# J例如：
! G: ~% n4 g' j% m5 IU-Boot >      setenv optargs  ${optargs} vpif_capture_format=RAW vpif_capture.ch0_bufsize=614400/ k. L- |! j4 \9 S
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。6 a7 d/ B9 K6 X. I7 y7 G1 k; H
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. u2 q0 J! g. C+ H* ^
emac-mode=mii
/ Z1 h# S! H) I, \, ~* w; dethact=DaVinci-EMAC+ F% O, k- C# T5 [0 Z" o* Y( l
ethaddr=16:01:c0:17:45:e5
7 t7 X2 b. q* ]; O' whwconfig=dsp:wake=yes+ b% b9 x$ I7 Y/ q1 x# @
ipaddr=10.3.2.99. {. k, X& Z5 T/ C) ~
loadaddr=0xc0700000) ^+ Y3 G2 C  k/ _, c5 p
loadbootscr=fatload mmc ${mmcdev} ${scraddr} ${bootscr}1 [; s1 T. p1 m  X
loadimage=fatload mmc ${mmcdev} ${loadaddr} ${bootfile}, Y# Q$ R& O( e' d# Z
mem_args=mem=32M@0xc0000000 mem=64M@0xc4000000
. M' u9 @* S1 t( Bmmcargs=setenv bootargs ${commonargs} root=${mmcroot} rootfstype=${mmcrootfstype}* g3 O7 N, h8 e0 b7 s$ 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 ${loadaddr}; fi; fi;3 g. W2 y1 x+ ^# B/ }& [
mmcdev=0
% p9 t, t! F: T' cmmcroot=/dev/mmcblk0p2 rw
' h# G1 D, [) A/ smmcrootfstype=ext3 rootwait, j5 R' [/ L& k3 a1 @& P
mtddevname=env
  @' B  ?/ J" u4 P# X* Cmtddevnum=08 x& c3 ^6 ?! B- U9 p
mtdids=nand0=davinci_nand.0
% Z9 }$ z; @" L! _3 |. l" omtdparts=mtdparts=davinci_nand.0:128k(env),512k(spl),512k(u-boot),4m(kernel),-(filesystem)5 t+ j( ]1 |# o6 x2 @
nandargs=setenv bootargs ${commonargs} root=${nandroot} rootfstype=${nandrootfstype}
) b1 d4 A' t* H, r# J, k+ ~: Tnandboot=if nboot ${nandbootpart}; then echo Booting from nand ...; run nandargs; bootm ${loadaddr}; fi;) c9 q' W6 c4 o7 J- A& ^( j
nandbootpart=kernel3 |# g* ?) z/ R# _* ]" f9 B. d
nanddev=06 }* C' b+ K. n7 W: A  [
nandroot=ubi0_0 ubi.mtd=4,2048
+ d0 s) l8 i$ Z. o% c! {. h2 Unandrootfstype=ubifs. J5 H; M5 @) N9 C$ h6 ?! l
netmask=255.255.255.0. l( y" b3 d5 u& v/ ~
nfsargs=setenv bootargs ${commonargs} ip=dhcp root=/dev/nfs nfsroot=${serverip}{nfspath},nolock rw( _3 M; g1 A; s' ]1 Q
optargs=vpif_capture_format=SDTV vpif_capture.ch0_bufsize=614400  B+ V. y/ h0 X+ j! ]2 x/ }
partition=nand0,0
, D: `5 i1 M2 J% a9 G" z6 W. c3 p# Nscraddr=0xc0600000$ _2 n8 C" B. Y5 R" u
serverip=10.3.2.175
/ r% P" \1 ?& ^, Y$ Ospiboot=if sf probe ${spidev}; then sf read ${loadaddr} ${spibootaddr} ${spibootsize}; run nandargs; bootm ${loadaddr}; fi;$ q' o2 k" N% x8 q! \
spibootaddr=0x100000
1 w$ b( t" s$ U& dspibootsize=0x400000
( V8 D5 V! h. |& o% @spidev=0
) G1 ?: q6 c5 cstderr=serial7 h1 R- d1 h/ S2 E% c
stdin=serial9 A/ e3 Z. p/ p" A+ w
stdout=serial+ B; A) ~( _' l# @% _3 x4 B8 [" ?1 J
ver=U-Boot 2012.04.01-00059-g7363edf (Apr 21 2015 - 18:15:15)% j; j$ Z+ ], q0 ~1 q: z9 d
8 G* q6 ^( C! p3 ?) h; J9 P

4 j2 g1 r9 e5 z- r还是不行. V) Q  f8 i5 n2 [* @) H* F, n

/ d9 q& I9 M+ G3 a
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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.
$ B2 ?% k! h+ [+ ../host/host_app -qws: Z& i. O- V5 |. v. @, ]: P
[TRACE|resource_sync_pair_wait@resource_sync.c,68] try sync
0 b$ t& b  u) `- r! x[DEBUG|resource_sync_wait@resource_sync.c,86] wait resource 11 j9 J: B& c# ^/ c% y, L+ w
[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 0 had ready
9 q8 B' }9 k: m[DEBUG|resource_sync_event_handle@resource_sync.c,45] resource 1 had ready1 @* S9 [7 _/ Z6 i
[DEBUG|resource_sync_post@resource_sync.c,96] post resource 2 had ready
" N% O/ E* A/ p+ U' YCamera-Camera
3 O: G, p3 j& G4 r: d% p[   34.616261] host_app: page allocation failure: order:10, mode:0xd0
! ?) ~1 @6 v' _[   34.627157] Backtrace:
' R7 G4 U) V7 J% d% t$ h) ~6 Y& ][   34.630203] [<c000c580>] (dump_backtrace+0x0/0x114) from [<c0419474>] (dump_stack+0x18/0x1c)' c# O$ d  n6 q$ v
[   34.652340]  r7:00000000 r6:0000000a r5:000000d0 r4:00000001
  s) J- S" q' c- x; S" y5 }* d( q[   34.658528] [<c041945c>] (dump_stack+0x0/0x1c) from [<c0061e0c>] (warn_alloc_failed+0xf8/0x11c)$ J* ?& h* m- Q0 {, B
[   34.669739] [<c0061d14>] (warn_alloc_failed+0x0/0x11c) from [<c006237c>] (__alloc_pages_nodemask+0x54c/0x590)
' H0 j) D- d2 R+ l: v" }: n) N% U[   34.681238]  r3:00000000 r2:00000000
; h' I& W, s6 O1 r! n0 b[   34.685216]  r7:00000040 r6:00000035 r5:000000d0 r4:000000004 m1 O. n9 g; U  s: W
[   34.691084] [<c0061e30>] (__alloc_pages_nodemask+0x0/0x590) from [<c000e030>] (__dma_alloc+0xec/0x2fc); T, V( M9 U& V% s
[   34.703957] [<c000df44>] (__dma_alloc+0x0/0x2fc) from [<c000e2d0>] (dma_alloc_coherent+0x5c/0x68)
% v. q* l& `4 t/ d$ _( W[   34.714824] [<c000e274>] (dma_alloc_coherent+0x0/0x68) from [<c02e2a4c>] (__videobuf_mmap_mapper+0xac/0x188)
0 x6 W2 |6 ~* s5 h+ }4 h; c[   34.726242]  r7:c1bded90 r6:c1371700 r5:c12bd688 r4:c1371764- V7 G4 `+ T; Y1 O
[   34.732056] [<c02e29a0>] (__videobuf_mmap_mapper+0x0/0x188) from [<c02e0724>] (videobuf_mmap_mapper+0xd4/0x114)
2 D, E6 |* l, {! o[   34.744717]  r8:b5317000 r7:c1371280 r6:c12bd688 r5:c1bded90 r4:c12bd688
2 x! v9 }, r. x[   34.751646] [<c02e0650>] (videobuf_mmap_mapper+0x0/0x114) from [<c02eb1fc>] (vpif_mmap+0x40/0x50)/ b8 o2 ^# v/ J. t
[   34.763159]  r5:c12bd688 r4:c1bdec00
8 j' }8 Q  b9 j6 }+ h$ S* {[   34.766879] [<c02eb1bc>] (vpif_mmap+0x0/0x50) from [<c02d20e4>] (v4l2_mmap+0x70/0x90)
& E* S6 p7 K. C6 {; H1 T9 F) S/ Z[   34.777146]  r5:c1bffe00 r4:c1371280
5 p  w. I1 F) \) |[   34.780857] [<c02d2074>] (v4l2_mmap+0x0/0x90) from [<c007a8f0>] (mmap_region+0x25c/0x494)  V6 d) e$ X, R! e: N& P  D
[   34.791444]  r7:c1371280 r6:000000ff r5:c12bd688 r4:000000004 _3 V! a) z  g; d( y
[   34.797615] [<c007a694>] (mmap_region+0x0/0x494) from [<c007adec>] (do_mmap_pgoff+0x2c4/0x324)2 V/ y3 b% [) g( h- d
[   34.808680] [<c007ab28>] (do_mmap_pgoff+0x0/0x324) from [<c007aeec>] (sys_mmap_pgoff+0xa0/0xd0)9 g. M$ A4 X; q) P0 R$ |7 v
[   34.823582] [<c007ae4c>] (sys_mmap_pgoff+0x0/0xd0) from [<c0009440>] (ret_fast_syscall+0x0/0x2c)8 H/ w/ e3 G, ~. k, p0 {4 j
[   34.842578] Mem-info:7 W0 v! \% a8 w" m5 `6 [7 ]. p
[   34.844908] DMA per-cpu:
! Y* S! e  b' i2 c! T5 h[   34.847474] CPU    0: hi:    0, btch:   1 usd:   0: J, a2 t/ T; X% o+ w
[   34.852369] active_anon:1439 inactive_anon:35 isolated_anon:08 g9 a5 R0 ?; R
[   34.852388]  active_file:718 inactive_file:601 isolated_file:0! T! ]  X6 B, u# y2 G4 W
[   34.852404]  unevictable:0 dirty:0 writeback:0 unstable:0
" l$ x: Q# l! q1 i0 f3 ]) F' S[   34.852420]  free:665 slab_reclaimable:289 slab_unreclaimable:815
& c# B/ I2 G! D4 _[   34.852437]  mapped:1087 shmem:132 pagetables:122 bounce:09 U) l3 V& M$ W8 q# I& S: \
[   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) _4 w3 F; d+ `8 ^
[   35.023590] lowmem_reserve[]: 0 0 0& |# |& S" o, d- ]1 C
[   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
: c; w3 V+ y2 Y" P2 }5 K) @[   35.054676] 214 total pagecache pages
- S  _% C( B: t2 r[   35.058399] 0 pages in swap cache- W' ?3 I' Y: W, I1 b6 ]$ T* k: t
[   35.061743] Swap cache stats: add 0, delete 0, find 0/0
+ D5 r  {/ E; ?8 A3 l3 J- @$ Q[   35.081983] Free swap  = 0kB$ \* o* ^2 W3 r2 g- \- ~
[   35.085058] Total swap = 0kB
  K2 c6 C7 s0 I[   35.089678] 8192 pages of RAM
2 y. u  f- o7 \- A3 ^3 C! W[   35.103088] 2019 free pages' E. [2 p7 d6 q* a% F
[   35.105926] 1555 reserved pages* l  e# C$ ~# R% q5 n( u. s
[   35.109090] 869 slab pages
, d. w# z, ~+ K, T+ {[   35.111813] 161 pages shared
- l. h+ o% t& U1 v$ x[   35.132854] 0 pages swap cached. ^0 P" s. }# X
[   35.136068] vpif_capture vpif_capture: dma_alloc_coherent size 4149248 failed! Z: C6 }3 t- S* S9 Q5 H# ]5 ^# t
Cannot mmap = 0 buffer  T/ K3 U7 y" E! D
VIDIOC_STREAMON
7 Y- \% x3 C. U" ]" z: x: Input/output error+ ^0 |+ T+ A0 v5 k# u6 A, p
[ERROR|start@capturer.cpp,27] fail to start capture
- Y3 {3 ]0 i* J) YQThread::start: Thread creation error: Resource temporarily unavailable
! [' w1 l0 S8 ?: F2 p4 H1 K% v[DEBUG|start@playbacker.cpp,25] it's about to start playback
2 s! j0 m# a) j$ t+ H/ _, V
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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! T$ z/ a7 w6 e$ \* X6 g; _
             total       used       free     shared    buffers     cached# u. Y2 k* k1 h4 V& O9 z
Mem:         26548      19728       6820          0          0       2884
) F9 F0 k% x' R6 [3 v-/+ buffers/cache:      16844       9704+ J% G* v9 H, u- {
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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