Re: Saving kernel crash dumps

Martin Husemann <[email protected]> Mon, 29 Sep 2025 20:03:35 +0200

Newsgroups	gmane.os.netbsd.ports.sparc64
Message-ID	<[email protected]>

On Mon, Sep 29, 2025 at 06:19:12PM +0100, Sad Clouds wrote:
> How does NetBSD on sparc64 save crash dumps? Does it require swap
> space? If yes, does it need to be bigger than the system RAM size? Also
> how does it know to which device to save crash dumps and is there a way
> to configure it during boot or via ddb prompt?

It is saved to the dumpdevice. You can configure it with swapctl
and it defaults to the swapdevice.

It needs to be bigger than the memory size.

Martin