How to generate a stack trace with in own kernel module -


i generate stack trace report 1 generated kernel oops.

------------[ cut here ]------------

kernel bug @ /home/administrator/project/systech/bsp_tan/linux-.2.6/arch/arm/include/asm/dma-mapping.h:325!

internal error: oops - undefined instruction: 0 [#1] preempt modules linked in: cpu: 0    not tainted  (3.2.6 #67) pc @ my_func+0x118/0x230 lr @ vprintk+0x3bc/0x440

where it's defined , how can trigger in module.

edit 1

how find line number pc (program counter) when bug happened.

pc @ my_func + 0x118/0x230

what means?

thanks in advance.

this in following files:

 lib/bug.c  kernel/panic.c

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