Re: an online kernel crash book, and wondering what's deprecated

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On Wed, Sep 26, 2012 at 8:11 PM, Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx> wrote:
Hi Rob...

On Wed, Sep 26, 2012 at 6:33 PM, Robert P. J. Day <rpjday@xxxxxxxxxxxxxx> wrote:
>   along those lines, i'm just digging into ftrace and was wondering if
> it in any way obsoleted systemtap, but i've heard from more than one
> source that while ftrace is allegedly more powerful, systemtap still
> has its place and is worth talking about.

since systemtap is still included in Redhat Enterprise Linux, I could
firmly say SystemTap is still highly relevant these days. So is
kdump/kexec.

>   so ... if one was going to put together a (small) toolbox of kernel
> debugging tools, what's worth covering?  interested in any feedback.

IMHO, the most important part is the art of understanding oops message
and its related stack trace.

I agree :)
Or worst, what if the system just hangs....divide and conquer things
like disabling acpi, sysrq, might be the skills we need here.

Not sure if you agree with me here, but I just deliver my ideas.



--
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com

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- Rohan
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