Re: [patch] i386: show_registers(): try harder to print failing code

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On 19/07/06, Chuck Ebbert <[email protected]> wrote:
In-Reply-To: <[email protected]>

On Wed, 19 Jul 2006 00:12:32 +0200, Jesper Juhl wrote:
>
> > show_registers() tries to dump failing code starting 43 bytes
> > before the offending instruction, but this address can be bad,
> > for example in a device driver where the failing instruction is
> > less than 43 bytes from the start of the driver's code.  When that
> > happens, try to dump code starting at the failing instruction
> > instead of printing no code at all.
> >
> Shouldn't the kernel be printing some info noting that this fallback
> is in use then? Or will that be completely obvious and I'm just not
> able to see that?

The code byte at EIP is marked with '<>', so it's obvious:

Code: <a1> 00 00 00 00 c7 04 24 05 30 b5 de 89 44 24 04 e8 f5 6f 5c e1 c9 31 c0 c3 00 00 00 00 00 00 00


Ahh, ok. I was not aware of that. Thank you for the info.

--
Jesper Juhl <[email protected]>
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