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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:
3 d: D* B" l' 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: 4 v0 t) F' M5 }! Z8 o6 k
U-Boot > setenv bootcmd 'mmcinfo;mmc init;fatload mmc 0 c0700000 uImage;bootm'5 C+ T( M2 A$ v( l; |" d* `2 |
U-Boot > setenv bootargs console=ttyS2,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 mem=128M
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" [: [$ e7 @2 k' p5 f从FLASH启动:+ l; P6 O) H' a) J8 V+ l4 i6 [
在U-Boot命令行执行以下命令来设置为NAND FLASH启动系统。 & n' f- r4 x$ C' P
U-Boot > setenv bootcmd 'nboot.e 0xc0700000 0 0x120000; bootm' 5 Q7 d' X+ l4 H( P$ |
U-Boot > setenv bootargs 'console=ttyS2,115200n8 ip=off ubi.mtd=4,2048 root=ubi0_0 rootfstype=ubifs mem=32M@0xc0000000 mem=64M@0xc4000000'( U$ ]1 L- n/ K0 g
U-Boot > saveenv5 V0 J6 M, e- I: j8 M1 w
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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?
6 [+ H; u1 P% T* E& @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 . q* e' u. w8 d' @9 O% B6 _" f
sleep 5% o1 ~: D/ T% E9 a6 g- r
reboot" U, N0 }! |; V5 m4 R
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,4 l7 }& }0 l8 S2 m5 ?0 U- [" y
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
/ B0 N: ~, y4 a$ p2 S[ 2.641673] UBI: physical eraseblock size: 131072 bytes (128 KiB)- L6 L2 b* y! l2 r/ Q, I
[ 2.648283] UBI: logical eraseblock size: 126976 bytes
K g6 `1 g" h, c; ^[ 2.653769] UBI: smallest flash I/O unit: 2048; s. k( h; h+ M1 v8 t9 l/ Q
[ 2.658648] UBI: sub-page size: 512
4 B F5 _+ W: h/ M( ?& s4 S[ 2.663309] UBI: VID header offset: 2048 (aligned 2048)
c7 Y1 }: e% [& s1 u[ 2.669464] UBI: data offset: 4096# t4 _. d Q9 Y
[ 6.060848] UBI: max. sequence number: 2386299
$ _! c9 j" n& \( ]: [7 |[ 6.083946] Unable to handle kernel paging request at virtual address 872281a4
, P' A# b; y/ f5 r( A[ 6.091390] pgd = c0004000
# G0 s8 @0 a$ W ^' y[ 6.094134] [872281a4] *pgd=00000000& k6 Z |' Y1 K, N% v, D
[ 6.097850] Internal error: Oops: 805 [#1] PREEMPT
: o, E9 _$ P- p0 v[ 6.102678] Modules linked in:. P m0 w/ V& a
[ 6.105775] CPU: 0 Not tainted (3.3.0 #15)2 \& b" J u" R+ p( C v
[ 6.110284] PC is at ubi_wl_init_scan+0x218/0x31c
* P( p/ B* z- v2 V$ b[ 6.115032] LR is at ubi_wl_init_scan+0x1f8/0x31c
' e' ]% n/ ~! Q' {2 y2 W; }[ 6.119777] pc : [<c0240324>] lr : [<c0240304>] psr: a0000013( j: H, T6 K' h' o; E; _* C0 g, M
[ 6.119794] sp : c7835e40 ip : c7b6fc90 fp : c7835e6c
: f/ [% s' w6 e% F; Q9 H[ 6.131337] r10: c7950b78 r9 : c05cbd68 r8 : c7950b84
% |, y% ?9 K% `) { i( i[ 6.136600] r7 : c7b9e860 r6 : c7bb0090 r5 : c7950800 r4 : c7bb0078' P: o- U( b1 M. @
[ 6.143174] r3 : c7b68000 r2 : afdb0069 r1 : c7950b78 r0 : c7b6fc90. B7 x/ k+ _8 P" I* k
[ 6.149751] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
5 j) T7 A4 [) q, F. D+ ]2 n& u B' v[ 6.157111] Control: 0005317f Table: c0004000 DAC: 00000017
7 b1 r6 g$ n$ r8 Q- z8 T+ A[ 6.162898] Process swapper (pid: 1, stack limit = 0xc7834270)5 |+ `) m) Z2 Y% F1 [2 `# \
[ 6.168773] Stack: (0xc7835e40 to 0xc7836000) q6 t9 M( ^; F5 {; { i9 O
[ 6.173179] 5e40: 00000081 00000000 c7950800 c7906a80 00000000 00000000 00000000 000000008 e, B% c) \( M3 [! t& q6 h
[ 6.181433] 5e60: c7835f64 c7835e70 c023a224 c024011c c7835eb4 c7835e80 c7835eb4 c7b9ce00+ V7 ]3 c4 V0 O; a( E& h
[ 6.189685] 5e80: c00e380c c0407108 c7835eb4 c7835e98 c00e2ea4 c00e2d28 00000000 c794cfa0
8 F- q' `/ ?8 x# C[ 6.197935] 5ea0: 00000000 c78c6320 c7835ef4 c7835eb8 c00e40ac c00e3800 00000000 c7835ed0" @. z; |, L+ @6 U
[ 6.206188] 5ec0: c7835ef4 c7835ed0 c78c6320 00000000 c05bb8a4 c780ec00 c04f7caa 00000000& [% ]% T! D. x# L- ^
[ 6.214442] 5ee0: 00000014 c04f7caa c7835f04 c7835ef8 c780ec00 00000018 c7835f38 c057c08c
$ c( H$ Y! v0 }0 K[ 6.222691] 5f00: 00000014 c7835f7c c057c08c c057c08c 00000000 00000000 00000000 00000000
% D& _ o8 Y, |! e6 u[ 6.230941] 5f20: c7835f54 c7835f30 c01a327c c01a739c 00000000 0000000a c7b9ce00 c05cbce89 \- x" y# \5 T- j. U& f- h
[ 6.239191] 5f40: c7b9ce00 c057c08c 00000000 00000000 00000000 00000000 c7835fa4 c7835f68
7 ~' S9 X* r; x: s9 C# p. A[ 6.247444] 5f60: c0567b60 c0239d70 00000000 c7835f78 c01ed618 c01ed5a8 c057e848 c057c08d7 o- f2 b8 L) ?0 `' w
[ 6.255695] 5f80: c001baf0 c057e84c c055120c c001baf0 00000013 c0567998 c7835fdc c7835fa8
$ l& I/ K* @) L[ 6.263949] 5fa0: c00087ec c05679a8 c7835fc4 c7835fb8 c0038acc c01a06e8 c057e84c c055120c- c, I: w% o- [ `8 a3 [3 x
[ 6.272200] 5fc0: c001baf0 00000013 00000000 00000000 c7835ff4 c7835fe0 c0551288 c000875c; `8 Y8 X! u* o+ z7 Y$ f9 a: S
[ 6.280451] 5fe0: 00000000 c055120c 00000000 c7835ff8 c001baf0 c055121c 00004010 00005019% `# U: m3 T% E+ r' }" {& Z
[ 6.288678] Backtrace:
8 \8 ~9 p1 Q" g, C# P- L[ 6.291178] [<c024010c>] (ubi_wl_init_scan+0x0/0x31c) from [<c023a224>] (ubi_attach_mtd_dev+0x4c4/0xb24)% n; k4 A) R6 y) B2 ~% I- I
[ 6.300767] [<c0239d60>] (ubi_attach_mtd_dev+0x0/0xb24) from [<c0567b60>] (ubi_init+0x1c8/0x2d4)3 |$ n% y! H. u5 ]! ^% N
[ 6.309642] [<c0567998>] (ubi_init+0x0/0x2d4) from [<c00087ec>] (do_one_initcall+0xa0/0x178)
6 \, [5 f+ [4 f" P3 J7 t[ 6.318137] r8:c0567998 r7:00000013 r6:c001baf0 r5:c055120c r4:c057e84c
; {! C, L& h5 |; D0 A4 x' f: ][ 6.324958] [<c000874c>] (do_one_initcall+0x0/0x178) from [<c0551288>] (kernel_init+0x7c/0x124)
& L9 B: X% }0 s/ n! p[ 6.333766] [<c055120c>] (kernel_init+0x0/0x124) from [<c001baf0>] (do_exit+0x0/0x720)( {/ X& ~/ a! b: |+ G9 C; A
[ 6.341738] r5:c055120c r4:00000000
# f9 F0 L+ R P6 I! ~( E! B[ 6.345365] Code: e58c2010 e5943000 e58c300c e59533f8 (e783c102)
$ N1 ~- X5 h9 S: I W3 J[ 6.351895] ---[ end trace c93823a902b142fe ]---2 k; p. f9 X% E2 y& _" G( Q
[ 6.356612] Kernel panic - not syncing: Attempted to kill init!' }$ w# `, {, a$ n
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