错误:(linux3.5版本)
[ 2432.] Division by zero in kernel.
[ 2432.] [<c001aa44>] (unwind_backtrace+0x0/0xf0) from [<c0>] (Ldiv0+0x8/0x10)
[ 2432.] [<c0>] (Ldiv0+0x8/0x10) from [<c02544fc>] (__aeabi_idivmod+0x8/0x18)
[ 2432.] [<c02544fc>] (__aeabi_idivmod+0x8/0x18) from [<bf01817c>] (scull_write+0x74/0x27c [scull])
[ 2432.] [<bf01817c>] (scull_write+0x74/0x27c [scull]) from [<c00f4f98>] (vfs_write+0xb4/0x148)
[ 2432.] [<c00f4f98>] (vfs_write+0xb4/0x148) from [<c00f5220>] (sys_write+0x40/0x70)
[ 2432.] [<c00f5220>] (sys_write+0x40/0x70) from [<c0013a00>] (ret_fast_syscall+0x0/0x30)
原因:
在内核代码中有除0的语句。查看哪一句代码除零了。是不是没初始化好,或者变量赋值错误等。

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