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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:) b0 L' t- c, G6 P, B! T0 X
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:
' K+ \% Q* N7 [U-Boot > setenv bootcmd 'mmcinfo;mmc init;fatload mmc 0 c0700000 uImage;bootm'" I8 a: n2 i; N
U-Boot > setenv bootargs console=ttyS2,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 mem=128M7 o) n6 f+ P1 l7 j! J/ f, V
& S& S9 ~1 ^( D3 F4 ?从FLASH启动:9 S$ g% I# L/ o# k
在U-Boot命令行执行以下命令来设置为NAND FLASH启动系统。
, W+ o( p! c; ~' m7 c% g; g, yU-Boot > setenv bootcmd 'nboot.e 0xc0700000 0 0x120000; bootm' 4 Q0 b& p2 P i, C% ~8 M T8 P9 k3 D5 {
U-Boot > setenv bootargs 'console=ttyS2,115200n8 ip=off ubi.mtd=4,2048 root=ubi0_0 rootfstype=ubifs mem=32M@0xc0000000 mem=64M@0xc4000000'
# v1 E3 S' t# _( W2 |; e% M U-Boot > saveenv
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- ?0 a l9 k0 i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?) Z8 v) v! P2 _9 V# _" `2 N8 i2 c0 J
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
% [) o5 |; e, ~4 v3 \sleep 5
Y/ ~- }6 b' q: |reboot
7 u8 r e/ z& D, ?7 `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,) O8 M" w' p3 s) ?2 |6 w$ U
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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. o7 {/ w5 e- ~0 F3 E. J0 K) A }[ 2.637774] UBI: attaching mtd4 to ubi0
6 j7 |" h8 e( p; r8 J[ 2.641673] UBI: physical eraseblock size: 131072 bytes (128 KiB)0 Z* w, _9 t9 r5 O/ i& }$ K
[ 2.648283] UBI: logical eraseblock size: 126976 bytes3 c0 s" g4 ^! x" H9 y
[ 2.653769] UBI: smallest flash I/O unit: 2048
! h# I# `1 V3 h[ 2.658648] UBI: sub-page size: 512
6 ?0 S+ \' c6 T[ 2.663309] UBI: VID header offset: 2048 (aligned 2048)9 Q0 b9 O1 h8 `/ v/ s# S
[ 2.669464] UBI: data offset: 4096
# Z1 r& }# t2 `' h! G9 R1 c" W+ \9 {$ n, S[ 6.060848] UBI: max. sequence number: 23862993 D% k! `- ~6 e0 n/ ~; U
[ 6.083946] Unable to handle kernel paging request at virtual address 872281a4
- |& w1 ?5 ]) F2 S3 @% R[ 6.091390] pgd = c0004000
! ]8 N0 r- I) Q. n& `9 X[ 6.094134] [872281a4] *pgd=00000000
" v0 ~6 U7 X$ S! @/ I: k+ H1 |7 m[ 6.097850] Internal error: Oops: 805 [#1] PREEMPT
- Z& O" b7 Z/ R9 w2 Y1 k[ 6.102678] Modules linked in:. X& \' t4 B: P) k0 i
[ 6.105775] CPU: 0 Not tainted (3.3.0 #15)
9 \2 K }7 q8 i! _/ T0 d5 Q7 d/ S[ 6.110284] PC is at ubi_wl_init_scan+0x218/0x31c8 y6 B# J3 M7 `' q
[ 6.115032] LR is at ubi_wl_init_scan+0x1f8/0x31c. X+ B5 J' w6 k* g( K! N# s5 @
[ 6.119777] pc : [<c0240324>] lr : [<c0240304>] psr: a00000136 B6 i4 s/ m: I) }, } d
[ 6.119794] sp : c7835e40 ip : c7b6fc90 fp : c7835e6c
, `9 d8 [- ]; V* q3 ^) {1 R2 Z9 r2 ^[ 6.131337] r10: c7950b78 r9 : c05cbd68 r8 : c7950b84" ? U4 o4 S; D) e. L
[ 6.136600] r7 : c7b9e860 r6 : c7bb0090 r5 : c7950800 r4 : c7bb0078* e) S' x8 |4 v8 t! h; s# c4 z
[ 6.143174] r3 : c7b68000 r2 : afdb0069 r1 : c7950b78 r0 : c7b6fc90) t2 l3 R; D4 Q, B6 J. @9 d
[ 6.149751] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
& y- O* u8 y7 C5 \: s# m[ 6.157111] Control: 0005317f Table: c0004000 DAC: 00000017
6 r+ t; i% W$ G1 V% R E[ 6.162898] Process swapper (pid: 1, stack limit = 0xc7834270)1 e) h9 W5 L$ P* d- C1 D
[ 6.168773] Stack: (0xc7835e40 to 0xc7836000)
% x$ w+ b8 I) T! w& L" q[ 6.173179] 5e40: 00000081 00000000 c7950800 c7906a80 00000000 00000000 00000000 000000003 A: U+ r* E4 `0 J$ o0 d( N
[ 6.181433] 5e60: c7835f64 c7835e70 c023a224 c024011c c7835eb4 c7835e80 c7835eb4 c7b9ce00
: ~3 U6 ?6 F) E Y' s" e[ 6.189685] 5e80: c00e380c c0407108 c7835eb4 c7835e98 c00e2ea4 c00e2d28 00000000 c794cfa0/ y7 _- t; J) O# |
[ 6.197935] 5ea0: 00000000 c78c6320 c7835ef4 c7835eb8 c00e40ac c00e3800 00000000 c7835ed04 z' C! t7 ?8 y. V" C
[ 6.206188] 5ec0: c7835ef4 c7835ed0 c78c6320 00000000 c05bb8a4 c780ec00 c04f7caa 00000000
B0 @$ O. L9 I, U; r3 W w* R4 V[ 6.214442] 5ee0: 00000014 c04f7caa c7835f04 c7835ef8 c780ec00 00000018 c7835f38 c057c08c2 }4 m: \/ z/ I ~) f' N
[ 6.222691] 5f00: 00000014 c7835f7c c057c08c c057c08c 00000000 00000000 00000000 00000000
. s7 ]6 I2 U8 X% C$ G[ 6.230941] 5f20: c7835f54 c7835f30 c01a327c c01a739c 00000000 0000000a c7b9ce00 c05cbce8
' O/ @0 Z! o8 D2 \[ 6.239191] 5f40: c7b9ce00 c057c08c 00000000 00000000 00000000 00000000 c7835fa4 c7835f68
0 F" J; ?$ Y, x, F) K$ ?- _[ 6.247444] 5f60: c0567b60 c0239d70 00000000 c7835f78 c01ed618 c01ed5a8 c057e848 c057c08d
2 n' g6 P% w- m% J5 ?& ?. Q1 C. d[ 6.255695] 5f80: c001baf0 c057e84c c055120c c001baf0 00000013 c0567998 c7835fdc c7835fa8
, p; K5 p5 h _8 l& X$ r' ~' u+ E x[ 6.263949] 5fa0: c00087ec c05679a8 c7835fc4 c7835fb8 c0038acc c01a06e8 c057e84c c055120c( y1 Q9 S! ^0 k3 A3 A u8 k
[ 6.272200] 5fc0: c001baf0 00000013 00000000 00000000 c7835ff4 c7835fe0 c0551288 c000875c5 `2 q* H- y' d" E
[ 6.280451] 5fe0: 00000000 c055120c 00000000 c7835ff8 c001baf0 c055121c 00004010 000050194 d0 M1 z2 L4 R# c3 d( o/ B
[ 6.288678] Backtrace:
; P) Q. D& w/ G- C, e: |[ 6.291178] [<c024010c>] (ubi_wl_init_scan+0x0/0x31c) from [<c023a224>] (ubi_attach_mtd_dev+0x4c4/0xb24)
X5 a) L/ ]' x, {$ ]# e+ r[ 6.300767] [<c0239d60>] (ubi_attach_mtd_dev+0x0/0xb24) from [<c0567b60>] (ubi_init+0x1c8/0x2d4)$ y( f% w' e1 h4 \) f; F- x: ~
[ 6.309642] [<c0567998>] (ubi_init+0x0/0x2d4) from [<c00087ec>] (do_one_initcall+0xa0/0x178)% d4 o5 v" E1 Z( {2 c0 [2 d; z
[ 6.318137] r8:c0567998 r7:00000013 r6:c001baf0 r5:c055120c r4:c057e84c8 M4 W, u! n8 \
[ 6.324958] [<c000874c>] (do_one_initcall+0x0/0x178) from [<c0551288>] (kernel_init+0x7c/0x124)/ I8 ~9 h b) [% C$ U8 S
[ 6.333766] [<c055120c>] (kernel_init+0x0/0x124) from [<c001baf0>] (do_exit+0x0/0x720)8 v! d2 u& f+ Z$ o
[ 6.341738] r5:c055120c r4:00000000
( p5 e8 Z, E' g# Q[ 6.345365] Code: e58c2010 e5943000 e58c300c e59533f8 (e783c102)
- Q: V4 z- N9 O% S$ A[ 6.351895] ---[ end trace c93823a902b142fe ]---
1 K+ m9 R! H; _. J[ 6.356612] Kernel panic - not syncing: Attempted to kill init!
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