Kernel crash dumps and swap

[Steven Hartland]

That's correct as the default for dumpdev="auto" in rc.conf is for dump 
to use swap devices, so in order for dump to locate a device to dump to 
in this case swap must be enabled.

     Regards
     Steve

On 04/09/2015 11:04, John Dison via freebsd-hackers wrote:
> Hello,according to Chapter 10. Kernel Debugging
> "The dumpon(8) program must be called after the swap partition has been configured with swapon(8)."
>
> This sounds ridiculous: why should I enable swap in my system in order to be able to obtain a crash dump?Isn't it a mistake in documentation?
> I understand that I must label swap partition, but actually *enabling* swap looks unrelated to crash dumps.
> Thanks.
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