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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:
. [2 z2 B! ^ N- O% E" \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:
: V' _6 A& d' s& D1 n" h- QU-Boot > setenv bootcmd 'mmcinfo;mmc init;fatload mmc 0 c0700000 uImage;bootm') n" N- l& a1 ?5 i8 z: v6 ]
U-Boot > setenv bootargs console=ttyS2,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 mem=128M2 r7 L8 H& R5 s7 b$ ]
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从FLASH启动:; j# _) N: N& P8 W7 N& r) D
在U-Boot命令行执行以下命令来设置为NAND FLASH启动系统。
2 A0 T1 U) C9 u) G6 G& v" [U-Boot > setenv bootcmd 'nboot.e 0xc0700000 0 0x120000; bootm'
; f! v6 w' P% A# j9 v NU-Boot > setenv bootargs 'console=ttyS2,115200n8 ip=off ubi.mtd=4,2048 root=ubi0_0 rootfstype=ubifs mem=32M@0xc0000000 mem=64M@0xc4000000'+ Q1 N# L9 H0 y/ x! n4 Z# I
U-Boot > saveenv/ a; V3 {+ p- q+ V
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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?
3 b. D: R. F1 K* r+ j+ l6 H' 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 ' x i# p# D4 H' M* v3 \4 v
sleep 5
& e. Y& ]( l' G6 Lreboot/ ]+ H3 F d3 F" G
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,6 Y; y8 M$ l6 f5 F/ X1 Y6 I
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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[ 2.637774] UBI: attaching mtd4 to ubi0; L8 S/ P, Z- s9 |
[ 2.641673] UBI: physical eraseblock size: 131072 bytes (128 KiB)
: L$ a p5 r/ v/ r) ]3 w* D[ 2.648283] UBI: logical eraseblock size: 126976 bytes* a/ P4 p# o/ g/ i' z0 c7 E
[ 2.653769] UBI: smallest flash I/O unit: 2048
* E. r: B6 N: W# f4 f[ 2.658648] UBI: sub-page size: 5127 h( W3 m; s H5 W
[ 2.663309] UBI: VID header offset: 2048 (aligned 2048)) G; B- a' N* s3 u0 H: C9 ?; u
[ 2.669464] UBI: data offset: 40967 T I7 M5 r; ]3 @
[ 6.060848] UBI: max. sequence number: 2386299" t( E8 L/ [& C. r* i
[ 6.083946] Unable to handle kernel paging request at virtual address 872281a4
1 Y+ b6 J0 h6 p9 H[ 6.091390] pgd = c0004000
/ l* d) |" a+ X( S9 W( T! ` v4 k[ 6.094134] [872281a4] *pgd=00000000
* }6 c! {: c3 U& M8 q[ 6.097850] Internal error: Oops: 805 [#1] PREEMPT
! C3 v% f) R% V, w! a2 `% i[ 6.102678] Modules linked in:
3 ~, `4 ?4 R) S[ 6.105775] CPU: 0 Not tainted (3.3.0 #15)
8 H: t- s2 B0 E: Z2 F( f6 {3 M2 \2 v[ 6.110284] PC is at ubi_wl_init_scan+0x218/0x31c# J E8 M# N0 ?' _2 t# m/ T; E
[ 6.115032] LR is at ubi_wl_init_scan+0x1f8/0x31c6 F2 ?6 ^2 v& b" z3 j
[ 6.119777] pc : [<c0240324>] lr : [<c0240304>] psr: a0000013
8 f) x. j. K, o! v[ 6.119794] sp : c7835e40 ip : c7b6fc90 fp : c7835e6c
* O1 U% G9 i+ J# W7 ]9 A[ 6.131337] r10: c7950b78 r9 : c05cbd68 r8 : c7950b84
* [% r/ f+ d6 _7 Z; \) t# l[ 6.136600] r7 : c7b9e860 r6 : c7bb0090 r5 : c7950800 r4 : c7bb00789 ~/ s. i! }- C) b; ?7 n
[ 6.143174] r3 : c7b68000 r2 : afdb0069 r1 : c7950b78 r0 : c7b6fc908 {& B: T2 I% \! t
[ 6.149751] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel% X, p4 o1 S9 f/ N% j+ |
[ 6.157111] Control: 0005317f Table: c0004000 DAC: 000000173 X c+ z) c$ j' E
[ 6.162898] Process swapper (pid: 1, stack limit = 0xc7834270), R6 L6 q3 G% A- R' ~
[ 6.168773] Stack: (0xc7835e40 to 0xc7836000)
& J: m% w' g% {6 y3 \1 S[ 6.173179] 5e40: 00000081 00000000 c7950800 c7906a80 00000000 00000000 00000000 00000000# J. ~* E, {% J! }) R8 @$ w' W
[ 6.181433] 5e60: c7835f64 c7835e70 c023a224 c024011c c7835eb4 c7835e80 c7835eb4 c7b9ce00
+ A2 x2 Z" }" M L- i+ F/ P[ 6.189685] 5e80: c00e380c c0407108 c7835eb4 c7835e98 c00e2ea4 c00e2d28 00000000 c794cfa04 Y! }- O( d7 D" F8 ?# I, O3 E
[ 6.197935] 5ea0: 00000000 c78c6320 c7835ef4 c7835eb8 c00e40ac c00e3800 00000000 c7835ed08 O; U: g, x3 ]8 E
[ 6.206188] 5ec0: c7835ef4 c7835ed0 c78c6320 00000000 c05bb8a4 c780ec00 c04f7caa 00000000
+ Y, a, h2 v# `6 y' ~[ 6.214442] 5ee0: 00000014 c04f7caa c7835f04 c7835ef8 c780ec00 00000018 c7835f38 c057c08c3 D- }' }7 R& y
[ 6.222691] 5f00: 00000014 c7835f7c c057c08c c057c08c 00000000 00000000 00000000 00000000
0 @( ]7 _- m& ~& `+ X( A1 l[ 6.230941] 5f20: c7835f54 c7835f30 c01a327c c01a739c 00000000 0000000a c7b9ce00 c05cbce8
# {+ L5 ~, s, Z0 d% r[ 6.239191] 5f40: c7b9ce00 c057c08c 00000000 00000000 00000000 00000000 c7835fa4 c7835f68
0 W6 c) ^0 e& b4 n m6 s[ 6.247444] 5f60: c0567b60 c0239d70 00000000 c7835f78 c01ed618 c01ed5a8 c057e848 c057c08d
/ {9 S& w9 t1 I1 e4 |+ `[ 6.255695] 5f80: c001baf0 c057e84c c055120c c001baf0 00000013 c0567998 c7835fdc c7835fa8
# B( l. w: @- }+ G) g[ 6.263949] 5fa0: c00087ec c05679a8 c7835fc4 c7835fb8 c0038acc c01a06e8 c057e84c c055120c0 B7 A+ `" _4 e' M" K
[ 6.272200] 5fc0: c001baf0 00000013 00000000 00000000 c7835ff4 c7835fe0 c0551288 c000875c& r; a2 z4 \/ F. b# o9 N
[ 6.280451] 5fe0: 00000000 c055120c 00000000 c7835ff8 c001baf0 c055121c 00004010 00005019
: c! k/ G1 ?5 _, e0 C. y& I[ 6.288678] Backtrace: 4 {4 f$ Z, D5 X* ^ h) t% Z% h! X- w
[ 6.291178] [<c024010c>] (ubi_wl_init_scan+0x0/0x31c) from [<c023a224>] (ubi_attach_mtd_dev+0x4c4/0xb24)
" P ^; l5 D7 Z7 [! Y7 b. }, C[ 6.300767] [<c0239d60>] (ubi_attach_mtd_dev+0x0/0xb24) from [<c0567b60>] (ubi_init+0x1c8/0x2d4): o- ]5 u9 z3 N7 F. b$ A
[ 6.309642] [<c0567998>] (ubi_init+0x0/0x2d4) from [<c00087ec>] (do_one_initcall+0xa0/0x178)
8 [: O+ x( O8 Q[ 6.318137] r8:c0567998 r7:00000013 r6:c001baf0 r5:c055120c r4:c057e84c
, h L3 M# @, ?6 ~[ 6.324958] [<c000874c>] (do_one_initcall+0x0/0x178) from [<c0551288>] (kernel_init+0x7c/0x124)) E, F( r! b+ w* C) ]1 Y
[ 6.333766] [<c055120c>] (kernel_init+0x0/0x124) from [<c001baf0>] (do_exit+0x0/0x720)
- w0 k3 ]1 W- t' y5 b7 U2 j: E[ 6.341738] r5:c055120c r4:00000000
2 E9 e) ?" b3 X- f- V! L- j. [[ 6.345365] Code: e58c2010 e5943000 e58c300c e59533f8 (e783c102)
3 U# s2 P" d' X: e, `[ 6.351895] ---[ end trace c93823a902b142fe ]---* B2 z; O+ h" W( ?5 m! Y& A& ]
[ 6.356612] Kernel panic - not syncing: Attempted to kill init!
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