Re: misc/38425 (savecore confused if getbootfile(3) fails)

[yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi)]

hi,

> On Sun, Jun 14, 2009 at 06:50:17AM -0700, Tom Spindler wrote:
>> I don't know about any of you, but savecore completely fails to work
>> for me after 1.78 savecore.c; in particular, failing to set the
>> booted kernel causes check_space to die a painful death:
> 
> I'll poke at it some more.  This works in our local tree -- maybe I
> missed a change when integrating it back into NetBSD.
> 
> It is absolutely, positively *not* the right solution to cause any
> of these utilities to try to know the kernel name.  Any operation
> they have any business doing can be done via /dev/ksyms -- the
> question is where I missed one or more references to the kernel name
> that were exposed beyond libkvm, which correctly defaults to use
> /dev/ksyms if some other kernel name is not rammed down its throat.
> 
> Thor

talking about the right solution, savecore should not use /dev/ksyms
or info from the live kernel at all.  we should store necessary info
in the dump itself.  (as freebsd does?)

YAMAMOTO Takashi