Subject: Re: Machine livelock with latest (4.99.48) kernel on sparc64
To: Tobias Nygren <tnn@NetBSD.org>
From: Andrew Doran <ad@netbsd.org>
List: current-users
Date: 01/06/2008 22:45:50
On Sun, Jan 06, 2008 at 11:11:16PM +0100, Tobias Nygren wrote:

> I can reproduce this, with a LOCKDEBUG kernel.

LOCKDEBUG uses a lot of wired memory.

> I don't have any swap enabled so instead of death by vm thrashing I get
> killed processes. I guess this could be a problem with the sparc64 atomic
> ops, since the uvmexp accounting doesn't add up.

I also suspect that. I'll take a look, although if someone with more sparc
assembly knowhow could look too that would be great.

Andrew