Re: [patch] i386: show_registers(): try harder to print failing code
From: Keith Owens
Date: Wed Jul 19 2006 - 01:32:22 EST
"Jesper Juhl" (on Wed, 19 Jul 2006 00:12:32 +0200) wrote:
>On 18/07/06, Chuck Ebbert <76306.1226@xxxxxxxxxxxxxx> 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 instruction at the EIP is bracketed, which makes it obvious if you
got any preceding instructions or not.
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