Re: Undefined Instruction

[Xin Tong]

If i change the kernel, i could have the application stary alive right ?

Thanks

Xin


On Wed, Nov 2, 2011 at 5:07 PM, Jiri Kosina <jkosina@xxxxxxx> wrote:
> On Wed, 2 Nov 2011, Xin Tong wrote:
>
>> If an application contains an undefined instruction to the processor (
>> x86 in particular ) how does the operating system handle it. does the
>> operating system just kill the process, or it will throw signals,
>> trying to recover from it ?
>
> CPU will trap and kernel will send SIGILL to the process.
>
> --
> Jiri Kosina
> SUSE Labs
>
>
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