From owner-freebsd-stable Wed Feb 19 11:42:30 2003 Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7851537B401 for ; Wed, 19 Feb 2003 11:42:29 -0800 (PST) Received: from obsecurity.dyndns.org (adsl-63-207-60-52.dsl.lsan03.pacbell.net [63.207.60.52]) by mx1.FreeBSD.org (Postfix) with ESMTP id BBF2343FAF for ; Wed, 19 Feb 2003 11:42:28 -0800 (PST) (envelope-from kris@obsecurity.org) Received: from rot13.obsecurity.org (rot13.obsecurity.org [10.0.0.5]) by obsecurity.dyndns.org (Postfix) with ESMTP id 54E4D679DA; Wed, 19 Feb 2003 11:42:28 -0800 (PST) Received: by rot13.obsecurity.org (Postfix, from userid 1000) id 4F6AE10DC; Wed, 19 Feb 2003 11:42:28 -0800 (PST) Date: Wed, 19 Feb 2003 11:42:28 -0800 From: Kris Kennaway To: Darren Henderson Cc: stable list Subject: Re: spontaneous reboot & gcc Message-ID: <20030219194228.GM634@rot13.obsecurity.org> References: <20030218161705.GA4876@luke.immure.com> <20030219011808.GK50962@rot13.obsecurity.org> <20030219033811.GA25426@luke.immure.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ZrCu0B0FMx3UnjE2" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4i Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG --ZrCu0B0FMx3UnjE2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Feb 18, 2003 at 11:59:48PM -0500, Darren Henderson wrote: >=20 > I'm seeing a spontaneous reboot in one very specific circumstance that > appears to be attributable to the use of gcc with -O2 optimization. Are you also compiling the kernel with -O2? If so, then "Don't do that then". -O2 has had known serious bugs in the past. Kris --ZrCu0B0FMx3UnjE2 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+U94jWry0BWjoQKURAlM7AJ9+2KUM3FQNzfHxM2Lv3L6y5HfThQCdHUx7 Ga3TCY3/OCcVlHlmhMUBBPo= =sDXW -----END PGP SIGNATURE----- --ZrCu0B0FMx3UnjE2-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message