Re: [PATCH] x86/dumpstack: Walk frames when built with frame pointers

[Peter Zijlstra]

On Wed, May 07, 2014 at 06:40:14PM +0200, Ingo Molnar wrote:
> Agreed, that's a very good point.
> 
> Also, consider the following holistic argument, what is easier to 
> achieve, when looking at an oops and not seeing the bug:
> 
>   - if only I had more information
>   - if only I had less information
> 
> we cannot put in information that we cut out, but it's not 
> particularly hard to skip overly verbose information in most cases.
>  
> Yes, there's a line to be drawn with verbosity: scroll-off is a 
> concern when the oops does not make it to a log file.
> 
> So I don't really know.

So it really stinks its so hard to debug laptops, and it doesn't help
the ehci debug dongle costs an arm and a leg.

Hopefully the EFI pstore thing will work out, but I've already heard
that can wear out very quickly and render your machine a brick :-(

Me, I simply refuse to work on machines if they don't have a serial
line, but in general that's not a tenable position I suppose :/

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