Date: Sat, 1 Oct 2005 04:11:25 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Ansar Mohammed <ansarm@gmail.com> Cc: freebsd-questions@freebsd.org, 'Kris Kennaway' <kris@obsecurity.org> Subject: Re: BGL Message-ID: <20051001081124.GA63863@xor.obsecurity.org> In-Reply-To: <000901c5c63c$5c2fa190$0b02a8c0@northamerica.corp.microsoft.com> References: <20050930204601.GA31598@xor.obsecurity.org> <000901c5c63c$5c2fa190$0b02a8c0@northamerica.corp.microsoft.com>
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--PEIAKu/WMn1b1Hv9 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Sep 30, 2005 at 11:58:14PM -0400, Ansar Mohammed wrote: > I love FreeBSD. I have been using it since 2.x. I have never had any > problems with it. Rock Solid. Never a single kernel panic. >=20 > Then I come across this article in a comparison between Linux and FreeBSD > saying that FreeBSD has kernel locking issues. Specifically, a problem > nicknamed BGL or Big Giant Lock. It seems that it affects SMP systems und= er > high load. Sounds like a pretty simplistic summary, but as I mentioned it's out of date anyway. > How much do other OSes suffer from this? I think NetBSD and OpenBSD still use such a system for their SMP support. Kris --PEIAKu/WMn1b1Hv9 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDPkSsWry0BWjoQKURAoawAJ9l+giOECLrld41VtIwXGm1MbkeMQCeJLZB ST9egUZLZgE8U8NSRv3qC1o= =gIEC -----END PGP SIGNATURE----- --PEIAKu/WMn1b1Hv9--
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