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本帖最后由 liangws 于 2017-9-5 14:22 编辑 * ]' ?9 C5 ^- V6 G* { G
0 Y+ e* t+ y. n- \1 x, t你好!
& [0 k: v: s1 x- o- X我通过5 Y6 p( n. y4 B0 }4 Z! `
make ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi- da850_omapl138_tl_defconfig+ }% P% I& K4 ]. g
make ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi- menuconfig
0 p- Y, u5 \9 S, p3 k5 a0 Z这个编译内核,把i2c、aci31编译成模块,烧写到flash,启动内核报错,无法正常启动。具体错误如下:
, ]5 G7 W; p8 {- i* c- U$ m[ 5.691331] Linux video capture interface: v2.00
4 F, `4 Q! g6 X2 U0 e[ 5.702557] Unable to handle kernel NULL pointer dereference at virtual address 00000028
( l5 t+ W! i, d; {) w* r[ 5.710992] pgd = c0004000, t/ J! ~- G; P, X( P6 j, l
[ 5.713741] [00000028] *pgd=00000000
2 ?% u. w* }( C. S[ 5.717366] Internal error: Oops: 5 [#1] PREEMPT
, C) X+ @ W+ w[ 5.722018] Modules linked in:
" R& Z% t. c; }) V! l3 b7 \[ 5.725113] CPU: 0 Not tainted (3.3.0 #3)
4 ?' z! U2 j @[ 5.729525] PC is at i2c_check_addr_busy+0x14/0x68 L V* E* r* W) {. D
[ 5.734365] LR is at i2c_new_device+0x158/0x17c
. m4 }/ a2 L2 H; t: g[ 5.738942] pc : [<c02ad6fc>] lr : [<c02adf6c>] psr: 800000134 I( R$ c8 y7 @7 d. b* {8 f1 U
[ 5.738960] sp : c7833de0 ip : c7833e00 fp : c7833dfc; X5 a: ?! a& R K: c
[ 5.750506] r10: c05c4018 r9 : c05c4070 r8 : c79e4c04
7 E, q+ Z) \: |% z! z% K这个可能会是什么问题?我用的内核配置文件是否有问题?
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" {$ l1 \& [2 B内核配置如下:1 M1 T7 |' g7 }$ N. F5 N5 k
i2c:+ L* s2 d. j; M& y0 f
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aic31配置:) }8 G* n: D" J I+ ]" a& b. M$ t
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