I got this same thing with netbsd 1.4.1, i have no idea why.  I started
happening after an app crashed on me and dumped core.  I just turned off
savecore in rc.conf.  It doesnt seem to affect anything.

> -----Original Message-----
> From: port-mac68k-owner@netbsd.org
> [mailto:port-mac68k-owner@netbsd.org]On Behalf Of Erik Winkler
> Sent: Monday, March 27, 2000 9:49 PM
> To: port-mac68k@netbsd.org
> Subject: Savecore boot message
>
>
> When I boot my custom kernel based on SPOT I get the following error
> message on boot:
>
> savecore:  /netbsd: kvm_dump_mkheader: Pread: Invalid argument
>
> What does this mean?
>
> Erik
>
>
>
>