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我们在使用的核心板是OMAPL138 128M内存规格，但是在开发板快速体验手册中提供的U-BOOT参数配置命令是：从SD卡启动：
4 s. L, a0 J* p在3秒内按任意键进入u-boot命令行，执行以下命令设置为SD卡启动： 6 ~3 Z0 W6 _9 a+ F' w4 d" i
U-Boot > setenv bootcmd 'mmcinfo;mmc init;fatload mmc 0 c0700000 uImage;bootm'. \4 z0 D1 b# O/ V) f+ A: m7 \# m
U-Boot > setenv bootargs console=ttyS2,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 mem=128M
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Z/ O5 \6 M- Z! Y, G, f: b$ j- L从FLASH启动：7 o) d9 A) e; l, |
在U-Boot命令行执行以下命令来设置为NAND FLASH启动系统。 8 Y5 @5 y5 ?9 g" N. H
U-Boot > setenv bootcmd 'nboot.e 0xc0700000 0 0x120000; bootm' / l) K" v9 l. y7 x/ k7 @
U-Boot > setenv bootargs 'console=ttyS2,115200n8 ip=off ubi.mtd=4,2048 root=ubi0_0 rootfstype=ubifs mem=32M@0xc0000000 mem=64M@0xc4000000'
8 v0 t5 }% X2 i$ P# b U-Boot > saveenv9 {( |1 s1 M6 a
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, E6 G- L7 E7 c9 D请问这是笔误还是从SD卡启动和从NAND启动内存大小设置不同？
5 T+ O; b3 H/ Z. ]$ y. H另外我设置从NAND启动 内存大小为128M，在 rc5.d中创建s99restart脚本，内容为 - S$ u* D$ k' E: p) i
sleep 5
- A+ W2 Y* h3 O9 i: Wreboot
2 m1 R4 G, H( `4 x, i意图是通过不断的热启动来验证系统UBIFS对NAND的读写是否稳定，但是发现会概率性出现以下的段访问异常错误，掉电重启后又恢复正常，! V# p: A3 ^ L: b
内核版本为创龙提供的2014.11.15的版本，请问这会是什么原因导致的，错误信息如下：
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' u$ c3 N/ s, Z! y [9 |! i! Q# ][ 2.637774] UBI: attaching mtd4 to ubi0
5 ?5 v7 ]( i! w( u[ 2.641673] UBI: physical eraseblock size: 131072 bytes (128 KiB)
. O4 ]! q3 |: y, L) z. [4 T[ 2.648283] UBI: logical eraseblock size: 126976 bytes
) ~. L r t# L2 o* @/ h2 r[ 2.653769] UBI: smallest flash I/O unit: 20482 i; \/ C( J, d
[ 2.658648] UBI: sub-page size: 512
" _3 j4 Z% d8 z2 f! T+ p' H# Y[ 2.663309] UBI: VID header offset: 2048 (aligned 2048)& g# m5 R" s: g2 @7 p
[ 2.669464] UBI: data offset: 4096" x: {4 _: R+ H
[ 6.060848] UBI: max. sequence number: 2386299* ~9 @# p% E$ y+ v/ y$ J7 O5 I) e- n) p
[ 6.083946] Unable to handle kernel paging request at virtual address 872281a4
$ c t$ C- o$ L3 P[ 6.091390] pgd = c0004000" `: t$ V" `; b0 } _9 A; ]$ e
[ 6.094134] [872281a4] *pgd=000000001 R1 J8 K' F* H9 N2 M
[ 6.097850] Internal error: Oops: 805 [#1] PREEMPT: _; v0 p: Q( E; j# R
[ 6.102678] Modules linked in:
0 O: w4 z2 D1 G" P[ 6.105775] CPU: 0 Not tainted (3.3.0 #15)9 Z% o4 J7 M* z4 e
[ 6.110284] PC is at ubi_wl_init_scan+0x218/0x31c
, Y- {. I; S6 d. F( c[ 6.115032] LR is at ubi_wl_init_scan+0x1f8/0x31c8 `) q1 r( k/ Y# @; x
[ 6.119777] pc : [<c0240324>] lr : [<c0240304>] psr: a0000013
# j" k" r0 l7 A. e0 C9 e' C1 v[ 6.119794] sp : c7835e40 ip : c7b6fc90 fp : c7835e6c
2 J' w- X$ @1 p# }[ 6.131337] r10: c7950b78 r9 : c05cbd68 r8 : c7950b84
8 V: Z, B5 S' p7 O[ 6.136600] r7 : c7b9e860 r6 : c7bb0090 r5 : c7950800 r4 : c7bb0078
* C1 F6 }) W. k1 q0 w; R3 R[ 6.143174] r3 : c7b68000 r2 : afdb0069 r1 : c7950b78 r0 : c7b6fc90! {3 s3 c( ^& ~1 m7 z
[ 6.149751] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel) N; S: \1 H5 e0 X5 M1 \) c+ u
[ 6.157111] Control: 0005317f Table: c0004000 DAC: 00000017
; f6 W1 R9 }7 a[ 6.162898] Process swapper (pid: 1, stack limit = 0xc7834270)8 V5 S: c, f, X6 X. n
[ 6.168773] Stack: (0xc7835e40 to 0xc7836000)
% [' v" q' Q5 t% {3 l[ 6.173179] 5e40: 00000081 00000000 c7950800 c7906a80 00000000 00000000 00000000 000000002 X, y$ J6 _! F) [: Y8 `
[ 6.181433] 5e60: c7835f64 c7835e70 c023a224 c024011c c7835eb4 c7835e80 c7835eb4 c7b9ce00) a O' q( C3 B0 K; ? f q4 h
[ 6.189685] 5e80: c00e380c c0407108 c7835eb4 c7835e98 c00e2ea4 c00e2d28 00000000 c794cfa0; E5 t+ }& ^4 ^# {0 ]$ K/ [/ R
[ 6.197935] 5ea0: 00000000 c78c6320 c7835ef4 c7835eb8 c00e40ac c00e3800 00000000 c7835ed0/ H" J" l0 q2 q- \4 S$ q
[ 6.206188] 5ec0: c7835ef4 c7835ed0 c78c6320 00000000 c05bb8a4 c780ec00 c04f7caa 00000000
$ h! L: Q* C5 F[ 6.214442] 5ee0: 00000014 c04f7caa c7835f04 c7835ef8 c780ec00 00000018 c7835f38 c057c08c/ R, x ~, U, B D( a: F
[ 6.222691] 5f00: 00000014 c7835f7c c057c08c c057c08c 00000000 00000000 00000000 00000000
' |+ Z9 t: `0 {% M[ 6.230941] 5f20: c7835f54 c7835f30 c01a327c c01a739c 00000000 0000000a c7b9ce00 c05cbce8
- b3 L/ l% r. w5 ~3 M" R[ 6.239191] 5f40: c7b9ce00 c057c08c 00000000 00000000 00000000 00000000 c7835fa4 c7835f68
) L \/ e: o& u[ 6.247444] 5f60: c0567b60 c0239d70 00000000 c7835f78 c01ed618 c01ed5a8 c057e848 c057c08d
4 \5 H! l( U1 ~1 z1 D1 U# S[ 6.255695] 5f80: c001baf0 c057e84c c055120c c001baf0 00000013 c0567998 c7835fdc c7835fa8
8 m3 |+ |( G# M2 `1 Y[ 6.263949] 5fa0: c00087ec c05679a8 c7835fc4 c7835fb8 c0038acc c01a06e8 c057e84c c055120c
0 ~4 Z {+ h! E; }& [! J$ [[ 6.272200] 5fc0: c001baf0 00000013 00000000 00000000 c7835ff4 c7835fe0 c0551288 c000875c
?3 p o) B9 ]$ \3 h[ 6.280451] 5fe0: 00000000 c055120c 00000000 c7835ff8 c001baf0 c055121c 00004010 00005019
5 E5 i/ `4 ?- Y3 W" G[ 6.288678] Backtrace:
! C5 w0 i8 ?& R% [[ 6.291178] [<c024010c>] (ubi_wl_init_scan+0x0/0x31c) from [<c023a224>] (ubi_attach_mtd_dev+0x4c4/0xb24); h! F. i0 G5 K2 Y" }
[ 6.300767] [<c0239d60>] (ubi_attach_mtd_dev+0x0/0xb24) from [<c0567b60>] (ubi_init+0x1c8/0x2d4)1 j) P5 }6 E3 k, j( k$ k
[ 6.309642] [<c0567998>] (ubi_init+0x0/0x2d4) from [<c00087ec>] (do_one_initcall+0xa0/0x178)$ V& d/ I s2 ]9 B0 L. t
[ 6.318137] r8:c0567998 r7:00000013 r6:c001baf0 r5:c055120c r4:c057e84c. G) Q" u% \+ ^' {" a! k
[ 6.324958] [<c000874c>] (do_one_initcall+0x0/0x178) from [<c0551288>] (kernel_init+0x7c/0x124)- V9 U& w/ Y4 m' t
[ 6.333766] [<c055120c>] (kernel_init+0x0/0x124) from [<c001baf0>] (do_exit+0x0/0x720)' x- I' C7 P9 c" C: A9 q$ {
[ 6.341738] r5:c055120c r4:00000000
) f/ [6 |6 v2 M; N0 I8 i( ^[ 6.345365] Code: e58c2010 e5943000 e58c300c e59533f8 (e783c102)
$ j6 [) v# D8 @- V. v/ ~8 ~$ ?0 m[ 6.351895] ---[ end trace c93823a902b142fe ]---
3 y7 G! V+ ~ W2 U- j; R[ 6.356612] Kernel panic - not syncing: Attempted to kill init!
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|手机版|小黑屋|嵌入式开发者社区
( 粤ICP备15055271号 ) 
发表于 2015-8-13 09:10:12
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