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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: F" C* h) W% N
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: " g. J' b' s4 y1 [. b- y3 ^! a
U-Boot > setenv bootcmd 'mmcinfo;mmc init;fatload mmc 0 c0700000 uImage;bootm'" T# p- g' @$ X7 r# y: X
U-Boot > setenv bootargs console=ttyS2,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 mem=128M
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从FLASH启动:
+ Q8 t. J; A) W) I7 }. s4 |0 T在U-Boot命令行执行以下命令来设置为NAND FLASH启动系统。
! _% n0 V* S3 R/ Y4 T! V) X( B5 iU-Boot > setenv bootcmd 'nboot.e 0xc0700000 0 0x120000; bootm' . n6 I! O* V" E, [4 z
U-Boot > setenv bootargs 'console=ttyS2,115200n8 ip=off ubi.mtd=4,2048 root=ubi0_0 rootfstype=ubifs mem=32M@0xc0000000 mem=64M@0xc4000000'
& v5 a# T2 s' _) x- z7 J U-Boot > saveenv- R3 V8 r! k; \* C" P& ` }
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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?
' E4 e0 u" h& h/ N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
7 c: e7 S! ]% ]sleep 5
6 O9 p4 b6 a2 Rreboot! u- T. K# @: {
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," s3 Q2 E3 M6 X4 X# Q
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:6 \6 z* [( z6 G- j5 n$ V
. C+ v( n, c( V6 N[ 2.637774] UBI: attaching mtd4 to ubi08 Q0 u$ r5 D$ x7 R6 t
[ 2.641673] UBI: physical eraseblock size: 131072 bytes (128 KiB)
0 I+ L& \- f& @: h[ 2.648283] UBI: logical eraseblock size: 126976 bytes7 A: d4 B" S+ m# \
[ 2.653769] UBI: smallest flash I/O unit: 2048
! }$ P: m6 d1 z. T/ Y[ 2.658648] UBI: sub-page size: 512, N) \2 ~& X( I' D# g: X, W
[ 2.663309] UBI: VID header offset: 2048 (aligned 2048)* [0 Z8 m; u5 N1 B4 K( t
[ 2.669464] UBI: data offset: 4096
) I! D6 b1 V3 X' |+ V[ 6.060848] UBI: max. sequence number: 2386299
, A! U, {' u4 n, h3 k- J7 p[ 6.083946] Unable to handle kernel paging request at virtual address 872281a4
: \! y9 F( O' d" B7 R/ {) a[ 6.091390] pgd = c00040009 ^ Y9 G' k! @4 s
[ 6.094134] [872281a4] *pgd=00000000
7 c+ o. p x z[ 6.097850] Internal error: Oops: 805 [#1] PREEMPT
3 s- h8 [- W l! z[ 6.102678] Modules linked in:- d/ M5 l/ l5 o& o% k! q4 C
[ 6.105775] CPU: 0 Not tainted (3.3.0 #15)% H' z* K( B& V" v9 H6 p
[ 6.110284] PC is at ubi_wl_init_scan+0x218/0x31c
4 l" v/ |/ @. b0 c7 G2 s8 Y: z& ~[ 6.115032] LR is at ubi_wl_init_scan+0x1f8/0x31c
: f3 u9 `7 V% P# A3 f# Q9 c[ 6.119777] pc : [<c0240324>] lr : [<c0240304>] psr: a0000013
8 ^4 s2 e$ ^+ U3 H. |% t V/ k[ 6.119794] sp : c7835e40 ip : c7b6fc90 fp : c7835e6c4 O5 @. k0 f% [1 t) i& G
[ 6.131337] r10: c7950b78 r9 : c05cbd68 r8 : c7950b845 H9 \% B- `6 k2 m
[ 6.136600] r7 : c7b9e860 r6 : c7bb0090 r5 : c7950800 r4 : c7bb00788 z8 T0 J) L1 h& Z {
[ 6.143174] r3 : c7b68000 r2 : afdb0069 r1 : c7950b78 r0 : c7b6fc90: Q& J( _/ P* `" S- ~( j5 ]% N8 c
[ 6.149751] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
* x; B% ]% W& S4 R[ 6.157111] Control: 0005317f Table: c0004000 DAC: 00000017
+ t# l+ @6 q9 x7 P6 p4 p, q, G[ 6.162898] Process swapper (pid: 1, stack limit = 0xc7834270)( c& S5 z. V7 {3 q
[ 6.168773] Stack: (0xc7835e40 to 0xc7836000)
& Y$ D b: Y% U/ f[ 6.173179] 5e40: 00000081 00000000 c7950800 c7906a80 00000000 00000000 00000000 000000007 I6 z1 ?9 e! Y4 K
[ 6.181433] 5e60: c7835f64 c7835e70 c023a224 c024011c c7835eb4 c7835e80 c7835eb4 c7b9ce00
5 J( F. t- [/ ?% `' n[ 6.189685] 5e80: c00e380c c0407108 c7835eb4 c7835e98 c00e2ea4 c00e2d28 00000000 c794cfa0" x/ x% B; |/ w5 w3 b, }/ W9 ~
[ 6.197935] 5ea0: 00000000 c78c6320 c7835ef4 c7835eb8 c00e40ac c00e3800 00000000 c7835ed0
. \: ?- m! m* P' T) B: p[ 6.206188] 5ec0: c7835ef4 c7835ed0 c78c6320 00000000 c05bb8a4 c780ec00 c04f7caa 00000000
8 z6 Y- Y0 [. D, H- H[ 6.214442] 5ee0: 00000014 c04f7caa c7835f04 c7835ef8 c780ec00 00000018 c7835f38 c057c08c
( h$ t( e) |: H[ 6.222691] 5f00: 00000014 c7835f7c c057c08c c057c08c 00000000 00000000 00000000 00000000
6 X2 C; z: {3 X4 X[ 6.230941] 5f20: c7835f54 c7835f30 c01a327c c01a739c 00000000 0000000a c7b9ce00 c05cbce8/ v# O' k: ]4 a0 M4 \$ v7 I
[ 6.239191] 5f40: c7b9ce00 c057c08c 00000000 00000000 00000000 00000000 c7835fa4 c7835f68
3 F$ R( r2 d8 d& T1 p* c5 R[ 6.247444] 5f60: c0567b60 c0239d70 00000000 c7835f78 c01ed618 c01ed5a8 c057e848 c057c08d
: t2 N0 y1 o& B, `. G |[ 6.255695] 5f80: c001baf0 c057e84c c055120c c001baf0 00000013 c0567998 c7835fdc c7835fa8( [, [3 g2 k% d, ^$ x
[ 6.263949] 5fa0: c00087ec c05679a8 c7835fc4 c7835fb8 c0038acc c01a06e8 c057e84c c055120c- d; p! G5 Z M/ a
[ 6.272200] 5fc0: c001baf0 00000013 00000000 00000000 c7835ff4 c7835fe0 c0551288 c000875c! `2 R& q' V3 J% W) G
[ 6.280451] 5fe0: 00000000 c055120c 00000000 c7835ff8 c001baf0 c055121c 00004010 00005019
( Z& O3 g- w4 f9 }[ 6.288678] Backtrace: 8 a" S7 h, B7 X6 ?! ?+ d* ]8 u8 q, {
[ 6.291178] [<c024010c>] (ubi_wl_init_scan+0x0/0x31c) from [<c023a224>] (ubi_attach_mtd_dev+0x4c4/0xb24)
+ S, v+ P% g$ ^% @: H+ a3 [[ 6.300767] [<c0239d60>] (ubi_attach_mtd_dev+0x0/0xb24) from [<c0567b60>] (ubi_init+0x1c8/0x2d4)" c2 [( [0 C0 `
[ 6.309642] [<c0567998>] (ubi_init+0x0/0x2d4) from [<c00087ec>] (do_one_initcall+0xa0/0x178)
0 U) N! l- s. t, l. ]3 y[ 6.318137] r8:c0567998 r7:00000013 r6:c001baf0 r5:c055120c r4:c057e84c( s! M5 Z }+ u9 {
[ 6.324958] [<c000874c>] (do_one_initcall+0x0/0x178) from [<c0551288>] (kernel_init+0x7c/0x124)
0 q( \4 d# A: C7 O3 j( C. v4 @& Y. L[ 6.333766] [<c055120c>] (kernel_init+0x0/0x124) from [<c001baf0>] (do_exit+0x0/0x720)4 d; D6 h6 L8 Q0 P5 u
[ 6.341738] r5:c055120c r4:00000000! Y; l2 g- W6 |$ N% p
[ 6.345365] Code: e58c2010 e5943000 e58c300c e59533f8 (e783c102)
4 `# b" X, Y# u1 z8 K* [$ I# R% c[ 6.351895] ---[ end trace c93823a902b142fe ]---
( `% J4 w& U1 Z, G[ 6.356612] Kernel panic - not syncing: Attempted to kill init!
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