Date: Sun, 26 Nov 2006 19:30:36 -0500 From: Kris Kennaway <kris@obsecurity.org> To: RW <fbsd06@mlists.homeunix.com> Cc: freebsd-questions@freebsd.org Subject: Re: FreeBSD 6.2: ULE vs 4BSD Message-ID: <20061127003036.GA82393@xor.obsecurity.org> In-Reply-To: <200611270013.44016.fbsd06@mlists.homeunix.com> References: <499c70c0611260212sa53a2bcq6345f063b7bfdddf@mail.gmail.com> <200611261706.57754.fbsd06@mlists.homeunix.com> <20061126194359.GB76643@xor.obsecurity.org> <200611270013.44016.fbsd06@mlists.homeunix.com>
next in thread | previous in thread | raw e-mail | index | archive | help
--cNdxnHkX5QqsyA0e Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Nov 27, 2006 at 12:13:43AM +0000, RW wrote: > On Sunday 26 November 2006 19:43, Kris Kennaway wrote: > > On Sun, Nov 26, 2006 at 05:06:57PM +0000, RW wrote: > > > On Sunday 26 November 2006 12:18, Andrew Pantyukhin wrote: > > > > On 11/26/06, John Smith <almarrie@gmail.com> wrote: > > > > > Hello, > > > > > > > > > > What shall I use as a scheduler on it? 4BSD or ULE? > > > > > > > > The general consensus is you should not touch ULE unless > > > > you're a developer willing to fix some outstanding issues and > > > > maybe take active maintainership of it. > > > > > > I think that's a bit strong. I've used both, off and on, on my Desktop > > > machine and not seen any real difference. > > > > Guess you're one of the lucky ones then. I hope you can understand > > why in general users should not use a kernel feature with known > > problems, and they should at the very least turn it off and reconfirm > > their problems before reporting them, to avoid wasting developer time. >=20 > It might save everyone a lot of time if the GENERIC file entry were chang= ed=20 > to: >=20 > #options SCHED_ULE # ULE scheduler (experimental) Better yet, it was removed from GENERIC altogether and a warning added to the NOTES file: # SCHED_ULE is a new scheduler that has been designed for SMP and has some # advantages for UP as well. It is intended to replace the 4BSD scheduler # over time. NOTE: SCHED_ULE is currently considered experimental and is # not recommended for production use at this time. Kris --cNdxnHkX5QqsyA0e Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFajGsWry0BWjoQKURArvaAJ92hC+5AUonh/i7fJMx+PywjhrSmACeKMMc mQVC9oSGpg7dAGY0QNbQM+8= =Ichg -----END PGP SIGNATURE----- --cNdxnHkX5QqsyA0e--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20061127003036.GA82393>