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本帖最后由 liangws 于 2017-9-5 14:22 编辑 # x+ N' M2 E" F/ r4 f2 I" `$ D2 q
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你好!
! P8 ^: c2 U0 P8 G" N9 I s我通过% F6 t9 i. g+ x+ V9 k
make ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi- da850_omapl138_tl_defconfig
4 o: _3 u u5 C d9 e. imake ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi- menuconfig
e7 Q, a- \" W% b" r, v& w/ l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:
2 Y R; U: |) v/ ?. R/ ^0 |, h. m/ z[ 5.691331] Linux video capture interface: v2.00
* z1 P* K7 V! i, O+ x x0 Y[ 5.702557] Unable to handle kernel NULL pointer dereference at virtual address 00000028% W$ I. K9 B( ^1 I* J* Y
[ 5.710992] pgd = c0004000
8 X5 m, d' ]& w[ 5.713741] [00000028] *pgd=000000002 T* A0 a/ M, g9 N$ C
[ 5.717366] Internal error: Oops: 5 [#1] PREEMPT
: Z$ E9 i* U" D5 c# ?[ 5.722018] Modules linked in:
A7 H: Y6 O# f3 E' F- ?[ 5.725113] CPU: 0 Not tainted (3.3.0 #3)
$ [0 B* p3 q: |6 [" m; ][ 5.729525] PC is at i2c_check_addr_busy+0x14/0x68
7 L, X: j, I2 n/ |3 X+ g[ 5.734365] LR is at i2c_new_device+0x158/0x17c0 U. U" S) }' k$ B9 U a% L
[ 5.738942] pc : [<c02ad6fc>] lr : [<c02adf6c>] psr: 80000013& {1 r/ y% k* r0 ~9 D
[ 5.738960] sp : c7833de0 ip : c7833e00 fp : c7833dfc' t- J9 t) J; d# o9 \& Z! G; [
[ 5.750506] r10: c05c4018 r9 : c05c4070 r8 : c79e4c04( T, J0 K9 y. q5 @2 b0 m, C2 b1 V
这个可能会是什么问题?我用的内核配置文件是否有问题?+ B" M* G9 K9 R3 I
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内核配置如下:
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aic31配置:+ s1 Y0 q( R+ k |0 E. C! v9 x) c
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