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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:
6 u7 W1 Z0 d& C' 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: ( F0 k$ H: H o4 Q3 w
U-Boot > setenv bootcmd 'mmcinfo;mmc init;fatload mmc 0 c0700000 uImage;bootm'+ P/ v# t9 r0 ~* ?/ r" H2 ]5 ^
U-Boot > setenv bootargs console=ttyS2,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 mem=128M! @* O7 }( a: }6 T9 T$ R9 n5 R0 {
r( d) K/ x4 I! w S; K从FLASH启动:
( `( ~7 a! c2 |9 G, {在U-Boot命令行执行以下命令来设置为NAND FLASH启动系统。
2 i% \3 q$ f! a/ V }U-Boot > setenv bootcmd 'nboot.e 0xc0700000 0 0x120000; bootm' # u% Q0 U( ^: h, E) ?
U-Boot > setenv bootargs 'console=ttyS2,115200n8 ip=off ubi.mtd=4,2048 root=ubi0_0 rootfstype=ubifs mem=32M@0xc0000000 mem=64M@0xc4000000'
6 q l: s) \5 E/ }" w U-Boot > saveenv; c# {3 H( B& R1 F* y
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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?* @! V0 `1 X5 l6 I2 l5 w! s4 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
+ W8 G: x, ?* g' \1 s h# j" R% psleep 5
' p: f7 j, F8 Q8 O8 l( Ireboot
" P5 H% U1 x/ v8 ?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,9 l8 h+ F5 w$ f) r& Y. Q2 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:5 B4 U6 F5 G6 B- m- m4 u
- l5 V3 }$ T, u! V8 W: @[ 2.637774] UBI: attaching mtd4 to ubi0
( G# o/ _- d) p0 U1 y. e I) s[ 2.641673] UBI: physical eraseblock size: 131072 bytes (128 KiB)
$ k* t V7 ^: z[ 2.648283] UBI: logical eraseblock size: 126976 bytes
8 H$ {' ^5 y$ b+ u9 b[ 2.653769] UBI: smallest flash I/O unit: 2048; z, |0 F1 U% U( B8 F+ d% `
[ 2.658648] UBI: sub-page size: 512
) A) G7 c* e: k$ P1 M[ 2.663309] UBI: VID header offset: 2048 (aligned 2048)
3 L, r8 t; v+ y" U& |" d6 @* W) H[ 2.669464] UBI: data offset: 4096% E* u3 R0 V6 C
[ 6.060848] UBI: max. sequence number: 2386299/ m. a0 j# i( q' r; c w/ j0 e1 I6 K) x$ p
[ 6.083946] Unable to handle kernel paging request at virtual address 872281a4
8 z& P! D& v; W0 K, ~4 B7 e* E3 f[ 6.091390] pgd = c0004000
/ k2 P& ]% N+ m9 G- u[ 6.094134] [872281a4] *pgd=00000000
d- s, q) e- u( H/ g; r8 Z[ 6.097850] Internal error: Oops: 805 [#1] PREEMPT
8 V' I. U; q' x4 [; n1 V. _[ 6.102678] Modules linked in:) Y% @/ S0 y, L V9 u
[ 6.105775] CPU: 0 Not tainted (3.3.0 #15)7 H& [0 S0 G" e( O) n
[ 6.110284] PC is at ubi_wl_init_scan+0x218/0x31c1 m- K2 G& w' r: G( Z
[ 6.115032] LR is at ubi_wl_init_scan+0x1f8/0x31c
5 H7 y0 R0 |" R, e' m. s[ 6.119777] pc : [<c0240324>] lr : [<c0240304>] psr: a0000013
" R3 l$ V, |( L- E' Q* |[ 6.119794] sp : c7835e40 ip : c7b6fc90 fp : c7835e6c$ C. R# d- F+ ~4 d# R
[ 6.131337] r10: c7950b78 r9 : c05cbd68 r8 : c7950b847 N, }" `: N; J- u3 e
[ 6.136600] r7 : c7b9e860 r6 : c7bb0090 r5 : c7950800 r4 : c7bb00786 s$ h3 r8 h! r/ g
[ 6.143174] r3 : c7b68000 r2 : afdb0069 r1 : c7950b78 r0 : c7b6fc90' P% F' d& o$ p; [1 V0 q r( y
[ 6.149751] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
4 V l. ]1 t3 U$ D9 }6 d- x[ 6.157111] Control: 0005317f Table: c0004000 DAC: 00000017
9 b+ D! z6 n. y/ r[ 6.162898] Process swapper (pid: 1, stack limit = 0xc7834270)
$ A/ K; ]: b2 y/ ^+ y/ l2 n* }[ 6.168773] Stack: (0xc7835e40 to 0xc7836000)# T. m( M1 I9 q& V/ b' M' C9 W
[ 6.173179] 5e40: 00000081 00000000 c7950800 c7906a80 00000000 00000000 00000000 000000000 P1 J7 W0 f6 L# H; l
[ 6.181433] 5e60: c7835f64 c7835e70 c023a224 c024011c c7835eb4 c7835e80 c7835eb4 c7b9ce00
7 \' M/ [& j5 A) S8 I: [$ P[ 6.189685] 5e80: c00e380c c0407108 c7835eb4 c7835e98 c00e2ea4 c00e2d28 00000000 c794cfa0
g0 M3 Q8 E8 _# U9 {; @, R[ 6.197935] 5ea0: 00000000 c78c6320 c7835ef4 c7835eb8 c00e40ac c00e3800 00000000 c7835ed0
+ L+ t+ Q/ B/ K7 n[ 6.206188] 5ec0: c7835ef4 c7835ed0 c78c6320 00000000 c05bb8a4 c780ec00 c04f7caa 000000002 a/ ]0 J& ?2 O* T6 Z
[ 6.214442] 5ee0: 00000014 c04f7caa c7835f04 c7835ef8 c780ec00 00000018 c7835f38 c057c08c7 C, \% N6 V) q, F
[ 6.222691] 5f00: 00000014 c7835f7c c057c08c c057c08c 00000000 00000000 00000000 000000006 q% D- u" }$ q* b( f# X# l5 @
[ 6.230941] 5f20: c7835f54 c7835f30 c01a327c c01a739c 00000000 0000000a c7b9ce00 c05cbce84 }& W( H; X( Y; L0 E3 |. s
[ 6.239191] 5f40: c7b9ce00 c057c08c 00000000 00000000 00000000 00000000 c7835fa4 c7835f68
; g% R9 a& n8 O, j: h/ P- \4 F[ 6.247444] 5f60: c0567b60 c0239d70 00000000 c7835f78 c01ed618 c01ed5a8 c057e848 c057c08d
7 A. X4 x8 c9 ?+ h[ 6.255695] 5f80: c001baf0 c057e84c c055120c c001baf0 00000013 c0567998 c7835fdc c7835fa8
/ Z6 g* g1 r6 |& ~2 d[ 6.263949] 5fa0: c00087ec c05679a8 c7835fc4 c7835fb8 c0038acc c01a06e8 c057e84c c055120c
+ e2 M9 B* ~3 Q: X[ 6.272200] 5fc0: c001baf0 00000013 00000000 00000000 c7835ff4 c7835fe0 c0551288 c000875c- r5 A: K3 W7 U, Y+ O' x
[ 6.280451] 5fe0: 00000000 c055120c 00000000 c7835ff8 c001baf0 c055121c 00004010 000050195 R, y$ Z& Z: g0 l# t) {! V
[ 6.288678] Backtrace: 5 C' {8 q* {: A; x& ~: l( Z
[ 6.291178] [<c024010c>] (ubi_wl_init_scan+0x0/0x31c) from [<c023a224>] (ubi_attach_mtd_dev+0x4c4/0xb24)/ a6 {: S& @" Z
[ 6.300767] [<c0239d60>] (ubi_attach_mtd_dev+0x0/0xb24) from [<c0567b60>] (ubi_init+0x1c8/0x2d4)& @6 Q0 c$ ?) {, A8 x: x
[ 6.309642] [<c0567998>] (ubi_init+0x0/0x2d4) from [<c00087ec>] (do_one_initcall+0xa0/0x178)
( I" ^9 N0 P2 K3 a) Z9 ?[ 6.318137] r8:c0567998 r7:00000013 r6:c001baf0 r5:c055120c r4:c057e84c
/ n% n6 q4 S* h h |' \- I[ 6.324958] [<c000874c>] (do_one_initcall+0x0/0x178) from [<c0551288>] (kernel_init+0x7c/0x124)( [4 w. b/ z& S# I
[ 6.333766] [<c055120c>] (kernel_init+0x0/0x124) from [<c001baf0>] (do_exit+0x0/0x720)4 j- m$ _8 A2 Q- ~; I* j
[ 6.341738] r5:c055120c r4:00000000' v1 U+ G* L8 |3 I0 H
[ 6.345365] Code: e58c2010 e5943000 e58c300c e59533f8 (e783c102) 6 F; \) o5 T6 G: j3 p9 ~
[ 6.351895] ---[ end trace c93823a902b142fe ]---/ t! k) D/ S8 a6 u8 \' E
[ 6.356612] Kernel panic - not syncing: Attempted to kill init!
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