[okl4-developer] <iguana_server> alignment fault at 0xdeadbefb from thread: 80000004

[Geoffrey Lee]

On Wed, Jun 04, 2008 at 01:22:07PM +0200, Lukas HANEL wrote:
> Hi,
> 
> when compiling with debug_trace=1 I get the following error message. 
> However, it seems as if the system is working fine even with this thing.
> So I was trying this with the drivers example and with oklinux and in 
> both ways the normal behaviour was not affected.

Hi Lukas

It looks like the system tried to cause an unaligned access by
accessing memory at 0xdeaddefb.  This makes the hardware trap and
causes an exception IPC to be sent.  The best way would be to disassmeble
the relevant parts of OKL4 and find out what it is doing.

	-gl

> 
> Can you comment on source and impact of this? E.g. is this a problem?
> 
> Thanks,
> Lukas
> 
> ----
> <iguana_server> alignment fault at 0xdeadbefb from thread: 80000004
> IP: 0x8040282c SP: 0x8001ff4c FLAGS: 0x20000010
>    --  TAG: 0xffb00005
>       MR01: 0x8040282c
>       MR02: 0x8001ff4c
>       MR03: 0x20000010
>       MR04: 0x00000101
>       MR05: 0xdeadbefb
> 
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