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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:, X# x8 Z2 Q3 R* g3 Q7 j$ V I O) a
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:
/ d7 _ @, @: z# y9 x: {U-Boot > setenv bootcmd 'mmcinfo;mmc init;fatload mmc 0 c0700000 uImage;bootm'
9 z6 } w" z$ S# j' h/ R( V8 W U-Boot > setenv bootargs console=ttyS2,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 mem=128M
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6 S% U# d$ d2 M从FLASH启动:; e9 Z9 K% W6 c% I f: _
在U-Boot命令行执行以下命令来设置为NAND FLASH启动系统。 : S! w$ |/ ]$ W, Y+ v0 V( t
U-Boot > setenv bootcmd 'nboot.e 0xc0700000 0 0x120000; bootm' 7 V3 R6 Q' `% w6 u) x/ j# V
U-Boot > setenv bootargs 'console=ttyS2,115200n8 ip=off ubi.mtd=4,2048 root=ubi0_0 rootfstype=ubifs mem=32M@0xc0000000 mem=64M@0xc4000000'
* S- K$ c6 _( G4 O. R& K: {1 o U-Boot > saveenv: `% C: E& ^2 U0 f* S
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! ^7 k1 u- D. D$ \. L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 ]( B0 i1 A5 S' F- c$ f* ~- X+ ?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 ) H: [7 U9 G- g) o9 C
sleep 5' l4 f1 Q9 m8 v
reboot( ]7 M) I( h3 j6 _
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,
7 }0 I1 \, R3 A+ m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. G9 ]2 B' k4 h- b/ \5 Q) V7 A
[ 2.641673] UBI: physical eraseblock size: 131072 bytes (128 KiB)
8 K$ i3 T, {# |: C, G[ 2.648283] UBI: logical eraseblock size: 126976 bytes
# B6 ]. E( \1 _. D* a[ 2.653769] UBI: smallest flash I/O unit: 20487 }% J, O5 x4 p' o! j
[ 2.658648] UBI: sub-page size: 512" y; c+ L: L# h! u: A
[ 2.663309] UBI: VID header offset: 2048 (aligned 2048)* m; O3 d6 X6 v: m! F: ^
[ 2.669464] UBI: data offset: 4096# X! l- S# t/ I
[ 6.060848] UBI: max. sequence number: 2386299- X6 }" [8 e( a3 Z, p5 P
[ 6.083946] Unable to handle kernel paging request at virtual address 872281a4
' E" c* [6 b! k- c5 O3 T) s$ I) Q[ 6.091390] pgd = c0004000
9 k. d$ e& g2 w" p h[ 6.094134] [872281a4] *pgd=00000000
9 o- I/ Q5 i# C% K( I$ h% m[ 6.097850] Internal error: Oops: 805 [#1] PREEMPT
# }9 [# v2 \2 r! m[ 6.102678] Modules linked in:2 P7 P0 W( h2 k7 W: Y; [ S9 E" }
[ 6.105775] CPU: 0 Not tainted (3.3.0 #15)8 }1 m6 [/ c$ y/ Z: c
[ 6.110284] PC is at ubi_wl_init_scan+0x218/0x31c
( Y. d- C1 R+ p$ I1 I6 c" k[ 6.115032] LR is at ubi_wl_init_scan+0x1f8/0x31c
6 l" _& H6 Q9 A- \. F[ 6.119777] pc : [<c0240324>] lr : [<c0240304>] psr: a0000013
( x! L0 ~& E* y2 T$ N[ 6.119794] sp : c7835e40 ip : c7b6fc90 fp : c7835e6c
) T) }! W7 B: P5 N) d5 x, L$ I[ 6.131337] r10: c7950b78 r9 : c05cbd68 r8 : c7950b84, S- }' J+ J: a' H7 f5 M! R' ]
[ 6.136600] r7 : c7b9e860 r6 : c7bb0090 r5 : c7950800 r4 : c7bb0078
. v4 }5 ~' m* `% C( B[ 6.143174] r3 : c7b68000 r2 : afdb0069 r1 : c7950b78 r0 : c7b6fc90/ f6 E7 I+ m4 q$ ]
[ 6.149751] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel, P$ g5 p0 ?/ l: R2 q
[ 6.157111] Control: 0005317f Table: c0004000 DAC: 000000176 e: h! G0 a- e' `
[ 6.162898] Process swapper (pid: 1, stack limit = 0xc7834270)/ M4 n2 V( A5 M
[ 6.168773] Stack: (0xc7835e40 to 0xc7836000)
; B) @5 {# i+ T- J% C[ 6.173179] 5e40: 00000081 00000000 c7950800 c7906a80 00000000 00000000 00000000 000000008 L: G4 k" r. z- N# q
[ 6.181433] 5e60: c7835f64 c7835e70 c023a224 c024011c c7835eb4 c7835e80 c7835eb4 c7b9ce00
* l: D/ M1 c9 O, R% M2 O" e. P; K[ 6.189685] 5e80: c00e380c c0407108 c7835eb4 c7835e98 c00e2ea4 c00e2d28 00000000 c794cfa0/ O! c' H& j* t! q3 _2 p+ Q
[ 6.197935] 5ea0: 00000000 c78c6320 c7835ef4 c7835eb8 c00e40ac c00e3800 00000000 c7835ed0: @9 Y1 y# W, |
[ 6.206188] 5ec0: c7835ef4 c7835ed0 c78c6320 00000000 c05bb8a4 c780ec00 c04f7caa 000000006 g) v$ B) q# \3 [! c
[ 6.214442] 5ee0: 00000014 c04f7caa c7835f04 c7835ef8 c780ec00 00000018 c7835f38 c057c08c
. s5 T# b, z2 [, G( {( `2 t[ 6.222691] 5f00: 00000014 c7835f7c c057c08c c057c08c 00000000 00000000 00000000 00000000
& \6 S) i& F' G: ^+ g9 L. D[ 6.230941] 5f20: c7835f54 c7835f30 c01a327c c01a739c 00000000 0000000a c7b9ce00 c05cbce8
/ ~7 k8 `3 P% q) u: d0 Y) Y[ 6.239191] 5f40: c7b9ce00 c057c08c 00000000 00000000 00000000 00000000 c7835fa4 c7835f68
* t& F! Q/ T3 X) M' b0 |% ~[ 6.247444] 5f60: c0567b60 c0239d70 00000000 c7835f78 c01ed618 c01ed5a8 c057e848 c057c08d
" _2 \: K& m5 ^# M0 U[ 6.255695] 5f80: c001baf0 c057e84c c055120c c001baf0 00000013 c0567998 c7835fdc c7835fa8
: Y' y& U1 o8 Y: M# v6 m( D[ 6.263949] 5fa0: c00087ec c05679a8 c7835fc4 c7835fb8 c0038acc c01a06e8 c057e84c c055120c: F5 Y; b3 E, q; e0 S) X
[ 6.272200] 5fc0: c001baf0 00000013 00000000 00000000 c7835ff4 c7835fe0 c0551288 c000875c/ e! }5 h# I+ F+ o! h) s
[ 6.280451] 5fe0: 00000000 c055120c 00000000 c7835ff8 c001baf0 c055121c 00004010 00005019
$ t. a6 @$ y/ I; b5 k[ 6.288678] Backtrace: ! q2 y6 a( x4 K6 [+ i
[ 6.291178] [<c024010c>] (ubi_wl_init_scan+0x0/0x31c) from [<c023a224>] (ubi_attach_mtd_dev+0x4c4/0xb24); B1 B/ C3 V# V, q) q3 K
[ 6.300767] [<c0239d60>] (ubi_attach_mtd_dev+0x0/0xb24) from [<c0567b60>] (ubi_init+0x1c8/0x2d4)
2 i# ^. A3 J. J[ 6.309642] [<c0567998>] (ubi_init+0x0/0x2d4) from [<c00087ec>] (do_one_initcall+0xa0/0x178)
I+ u# _: }/ P5 I u[ 6.318137] r8:c0567998 r7:00000013 r6:c001baf0 r5:c055120c r4:c057e84c# H& i: F7 L/ h" W
[ 6.324958] [<c000874c>] (do_one_initcall+0x0/0x178) from [<c0551288>] (kernel_init+0x7c/0x124)
+ _, A4 L, P& O* _& { R1 {5 |# Q[ 6.333766] [<c055120c>] (kernel_init+0x0/0x124) from [<c001baf0>] (do_exit+0x0/0x720)
$ X& K; }2 B7 l8 o A[ 6.341738] r5:c055120c r4:00000000( p O) w, [& u: E" M
[ 6.345365] Code: e58c2010 e5943000 e58c300c e59533f8 (e783c102)
7 }$ n, M& u5 N; [[ 6.351895] ---[ end trace c93823a902b142fe ]---+ s5 l k& m8 k+ l. ?/ k8 t
[ 6.356612] Kernel panic - not syncing: Attempted to kill init!( j: }+ [3 B5 M" ]/ ?/ U/ p
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