Date: Wed, 2 Mar 2005 20:56:57 -0800 From: Kris Kennaway <kris@obsecurity.org> To: Peter Jeremy <PeterJeremy@optushome.com.au> Cc: freebsd-stable@freebsd.org Subject: Re: Crash when PREEMPTION enabled Message-ID: <20050303045657.GA6139@xor.obsecurity.org> In-Reply-To: <20050301081304.GA28962@cirb503493.alcatel.com.au> References: <20050301081304.GA28962@cirb503493.alcatel.com.au>
next in thread | previous in thread | raw e-mail | index | archive | help
--dDRMvlgZJXvWKvBx Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Mar 01, 2005 at 07:13:04PM +1100, Peter Jeremy wrote: > I have tried enabling PREEMPTION on 5.3-RELEASE-p5 whilst it ran OK > for a few hours, it crashed overnight whilst doing a "make index" in > /usr/ports. I've tried repeating "make index" and it worked. I have > a coredump of the crash and have been doing some poking around. I've just turned on PREEMPTION on the 12-CPU sparc64 machine running RELENG_5 that I've been playing with, and it quickly resets and reboots under load (buildworld -j12). This happens with either ULE or 4BSD, although ULE without PREEMPTION seems to work fine (and perform much better than 4BSD, as expected). It looks like PREEMPTION is indeed still broken in RELENG_5 - I guess my workloads aren't enough to trigger this on other machines :-( Kris --dDRMvlgZJXvWKvBx Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQFCJpkYWry0BWjoQKURAsbtAJ44M2hmWTJ3AbHCFoTuSCSdikqKFACgm8Mx 8dbExmpZtIZuYfCEodI7AEw= =+jkG -----END PGP SIGNATURE----- --dDRMvlgZJXvWKvBx--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050303045657.GA6139>