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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:8 z/ t1 e( ]! m& M+ z* b
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:
$ s: H* E2 l! f* [$ gU-Boot > setenv bootcmd 'mmcinfo;mmc init;fatload mmc 0 c0700000 uImage;bootm'
- t7 K+ U7 D7 y U-Boot > setenv bootargs console=ttyS2,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 mem=128M
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从FLASH启动:
8 |' y; w/ ^+ m3 a3 W# J |7 D4 ?在U-Boot命令行执行以下命令来设置为NAND FLASH启动系统。 ( O0 z" Z1 V' x3 ^8 i$ `
U-Boot > setenv bootcmd 'nboot.e 0xc0700000 0 0x120000; bootm'
1 m3 h0 j% c( x/ J# G& JU-Boot > setenv bootargs 'console=ttyS2,115200n8 ip=off ubi.mtd=4,2048 root=ubi0_0 rootfstype=ubifs mem=32M@0xc0000000 mem=64M@0xc4000000', J, ?, e/ Q4 |9 k! |2 q
U-Boot > saveenv6 p9 _ b* B. e7 h- I4 b/ G
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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?
1 W' R* ?" Z j5 k- s0 Z3 ~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 , t) | B% c$ ]
sleep 5
- j1 C' l5 R' B& E4 Mreboot$ N4 O/ v i: O* S. X
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,
- \3 K* p' G6 S4 J( h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:$ m( {# m( w" I7 z4 n
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[ 2.637774] UBI: attaching mtd4 to ubi0
6 x3 |8 h' D$ V z2 a[ 2.641673] UBI: physical eraseblock size: 131072 bytes (128 KiB)4 l) B; }, G s2 I3 U
[ 2.648283] UBI: logical eraseblock size: 126976 bytes
5 d' m! Y/ }% e8 h8 J. V4 X" z# {0 n1 c[ 2.653769] UBI: smallest flash I/O unit: 2048% R. l& }* q5 D' w* x% Z
[ 2.658648] UBI: sub-page size: 512
9 w( ]$ o) a2 i2 G* u' n[ 2.663309] UBI: VID header offset: 2048 (aligned 2048)0 m. f) h9 {: k) ^( ~, t8 s8 M
[ 2.669464] UBI: data offset: 40969 Z8 \7 v5 s1 v5 W
[ 6.060848] UBI: max. sequence number: 2386299
( ]3 F6 U) q1 E8 W e[ 6.083946] Unable to handle kernel paging request at virtual address 872281a4; d( u" f! e( F' _
[ 6.091390] pgd = c0004000. F; Q% ~. w6 b8 T" v
[ 6.094134] [872281a4] *pgd=00000000
9 ]" C/ o! S# G/ o J- y" W, o[ 6.097850] Internal error: Oops: 805 [#1] PREEMPT+ f2 J9 M! S! u
[ 6.102678] Modules linked in:
/ E( h) q# U4 z) w1 t[ 6.105775] CPU: 0 Not tainted (3.3.0 #15), L5 N! S4 b$ R5 O1 q. p
[ 6.110284] PC is at ubi_wl_init_scan+0x218/0x31c2 P8 M. k/ y5 z9 Z& E; `7 d2 m
[ 6.115032] LR is at ubi_wl_init_scan+0x1f8/0x31c4 v: I& r. u8 A |1 K9 [# B+ w
[ 6.119777] pc : [<c0240324>] lr : [<c0240304>] psr: a0000013
. _/ p* }- E+ w; f! p* X[ 6.119794] sp : c7835e40 ip : c7b6fc90 fp : c7835e6c) f! {$ Z2 r2 g' t
[ 6.131337] r10: c7950b78 r9 : c05cbd68 r8 : c7950b849 g" ]) G: H2 W4 V) _& `# Z& z7 X
[ 6.136600] r7 : c7b9e860 r6 : c7bb0090 r5 : c7950800 r4 : c7bb0078
4 Z! c0 M. `! {$ B" y[ 6.143174] r3 : c7b68000 r2 : afdb0069 r1 : c7950b78 r0 : c7b6fc90
# C" y3 k7 Z; o: Y9 \[ 6.149751] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
8 z6 u. E7 v0 Y/ B# U; `[ 6.157111] Control: 0005317f Table: c0004000 DAC: 00000017
Q. E' |5 e( Y5 n9 i[ 6.162898] Process swapper (pid: 1, stack limit = 0xc7834270)- w* g/ B2 u# U7 w [* m2 I( H
[ 6.168773] Stack: (0xc7835e40 to 0xc7836000)
# M: r: H4 e1 g5 u( X[ 6.173179] 5e40: 00000081 00000000 c7950800 c7906a80 00000000 00000000 00000000 000000009 H( \" H0 V* b8 f. K. H
[ 6.181433] 5e60: c7835f64 c7835e70 c023a224 c024011c c7835eb4 c7835e80 c7835eb4 c7b9ce00
# a" J0 b" Z3 ~/ m% r8 P[ 6.189685] 5e80: c00e380c c0407108 c7835eb4 c7835e98 c00e2ea4 c00e2d28 00000000 c794cfa0* U' f, Z; k6 e7 Y" ~7 [
[ 6.197935] 5ea0: 00000000 c78c6320 c7835ef4 c7835eb8 c00e40ac c00e3800 00000000 c7835ed0/ R. B6 l. ^" a$ ^$ R# ?" ^
[ 6.206188] 5ec0: c7835ef4 c7835ed0 c78c6320 00000000 c05bb8a4 c780ec00 c04f7caa 00000000
O# n/ F v: z! P8 Y5 ~- @" p( `[ 6.214442] 5ee0: 00000014 c04f7caa c7835f04 c7835ef8 c780ec00 00000018 c7835f38 c057c08c: w& s V, f+ L) t
[ 6.222691] 5f00: 00000014 c7835f7c c057c08c c057c08c 00000000 00000000 00000000 00000000* k4 q( a2 Z1 A4 L& j, d& }8 Z2 ?
[ 6.230941] 5f20: c7835f54 c7835f30 c01a327c c01a739c 00000000 0000000a c7b9ce00 c05cbce8
( t7 l/ l1 m: M: C) s[ 6.239191] 5f40: c7b9ce00 c057c08c 00000000 00000000 00000000 00000000 c7835fa4 c7835f680 |% ~0 q% W/ l* I
[ 6.247444] 5f60: c0567b60 c0239d70 00000000 c7835f78 c01ed618 c01ed5a8 c057e848 c057c08d5 G4 `0 ^/ g6 [+ e5 H
[ 6.255695] 5f80: c001baf0 c057e84c c055120c c001baf0 00000013 c0567998 c7835fdc c7835fa8
8 L' e& J4 c0 \' k5 G[ 6.263949] 5fa0: c00087ec c05679a8 c7835fc4 c7835fb8 c0038acc c01a06e8 c057e84c c055120c
" y5 y4 \% S0 K1 u) }5 [: I! ^[ 6.272200] 5fc0: c001baf0 00000013 00000000 00000000 c7835ff4 c7835fe0 c0551288 c000875c
+ }) S) H3 P$ P[ 6.280451] 5fe0: 00000000 c055120c 00000000 c7835ff8 c001baf0 c055121c 00004010 00005019/ {, Z) P# d8 ^( l8 s+ k4 ^1 j
[ 6.288678] Backtrace: 9 [% b% `' M5 z# e- D2 S
[ 6.291178] [<c024010c>] (ubi_wl_init_scan+0x0/0x31c) from [<c023a224>] (ubi_attach_mtd_dev+0x4c4/0xb24)6 j; c. K# c2 G
[ 6.300767] [<c0239d60>] (ubi_attach_mtd_dev+0x0/0xb24) from [<c0567b60>] (ubi_init+0x1c8/0x2d4)6 r" O" Q/ b2 {9 }1 a
[ 6.309642] [<c0567998>] (ubi_init+0x0/0x2d4) from [<c00087ec>] (do_one_initcall+0xa0/0x178)% `+ u2 `0 d/ P0 D
[ 6.318137] r8:c0567998 r7:00000013 r6:c001baf0 r5:c055120c r4:c057e84c
- o5 V4 j( z0 `0 } ^[ 6.324958] [<c000874c>] (do_one_initcall+0x0/0x178) from [<c0551288>] (kernel_init+0x7c/0x124)
' [- h- K3 `) s( L3 w% z[ 6.333766] [<c055120c>] (kernel_init+0x0/0x124) from [<c001baf0>] (do_exit+0x0/0x720)5 T! E/ R! r2 K% H9 z0 [+ w$ q
[ 6.341738] r5:c055120c r4:00000000
6 u5 b4 K& `8 G, b$ `. w[ 6.345365] Code: e58c2010 e5943000 e58c300c e59533f8 (e783c102)
q( L" a* {4 U& D# _) y[ 6.351895] ---[ end trace c93823a902b142fe ]---+ A# T8 q- l, a: N
[ 6.356612] Kernel panic - not syncing: Attempted to kill init!' l/ Z6 g& m1 `3 T8 }. o1 m2 J) ]
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