Kernel crash dumps and swap

Steven Hartland killing at multiplay.co.uk
Fri Sep 4 13:15:12 UTC 2015


That is correct, I would suggest raising a PR to get this clarified.

On 04/09/2015 11:53, John Dison wrote:
> So if I use dumpdev="/path/to/dev" I can have kernel crash dumps 
> without swap enabled?
> This should be clarified in documentation IMO, right now I have an 
> impression that swap is mandatory for crash dumps to work.
>
>
> ------------------------------------------------------------------------
> *From:* Steven Hartland <killing at multiplay.co.uk>
> *To:* freebsd-hackers at freebsd.org
> *Sent:* Friday, September 4, 2015 1:28 PM
> *Subject:* Re: Kernel crash dumps and swap
>
> 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.
>
>



More information about the freebsd-hackers mailing list