Re: Help: strange messages from kernel on IA64 platform

From: Chase Venters
Date: Tue May 16 2006 - 16:59:42 EST

On Tue, 16 May 2006, Ju, Seokmann wrote:


During communication in between application and megaraid driver via
IOCTL, the system displays messages which are not easy to track down.
Following is one of the messages and same messages with different values
are poping up regularly.
Kernel unaligned access to 0xe00000007f3d80dc ip=0xa0000002000373b1

I understand the kernel is complaining about the address which is not
aligned and, found the message is coming from function
'ia64_handle_unaligned()' in the arch/ia64/kernel/unaligned.c.
But, I couldn't find who is calling this function and further details of

Where should I start to figure out it?

It's a trap, which means the CPU is effectively calling that function. My best suggestion is to figure out what data is at 0xe00000007f3d80dc and what instructions are at 0xa0000002000373b1.

Thank you,


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