From owner-freebsd-current@FreeBSD.ORG Tue May 20 09:30:02 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6755737B401 for ; Tue, 20 May 2003 09:30:02 -0700 (PDT) Received: from brev.stud.ntnu.no (brev.stud.ntnu.no [129.241.56.70]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7C89F43F85 for ; Tue, 20 May 2003 09:30:01 -0700 (PDT) (envelope-from morten@rodal.no) Received: from localhost (localhost [127.0.0.1]) by brev.stud.ntnu.no (Postfix) with ESMTP id 5392113F480; Tue, 20 May 2003 18:30:00 +0200 (CEST) Received: from atlantis.rodal.no (m227h.studby.ntnu.no [129.241.135.227]) by brev.stud.ntnu.no (Postfix) with ESMTP id 7159813F500; Tue, 20 May 2003 18:29:59 +0200 (CEST) Received: (from morten@localhost) by atlantis.rodal.no (8.12.9/8.12.9/Submit) id h4KGTwax031452; Tue, 20 May 2003 18:29:58 +0200 (CEST) (envelope-from morten) Date: Tue, 20 May 2003 18:29:58 +0200 From: Morten Rodal To: Jon Lido Message-ID: <20030520162958.GB530@atlantis.rodal.no> References: <200305201025.30296.jlido@goof.com> <20030520152856.GA530@atlantis.rodal.no> <200305201216.10964.jlido@goof.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="mxv5cy4qt+RJ9ypb" Content-Disposition: inline In-Reply-To: <200305201216.10964.jlido@goof.com> X-Virus-Scanned: by AMaViS perl-11 cc: freebsd-current@freebsd.org Subject: Re: gcc/libm floating-point bug? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 May 2003 16:30:02 -0000 --mxv5cy4qt+RJ9ypb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Then we have the same hardware (and laptop for that matter). Also make sure you are not running with any optimizations (i.e. use default CFLAGS; -O -pipe). On Tue, May 20, 2003 at 12:16:10PM -0400, Jon Lido wrote: > Well, I do have a P4, and had built everything with -march=3Dpentium4. > However, rebuilding the kernel and modules with -march=3Dpentium3 > produces the same results. >=20 > Incidentally, my audio hardware is: > pcm0: port 0xdc80-0xdcbf,0xd800-0xd8ff irq 11 at d= evice=20 > 31.5 on pci0 > pcm0: >=20 > (Dell Inspiron 8200 laptop) >=20 > -Jon >=20 > On Tuesday 20 May 2003 11:30 am, Morten Rodal wrote: > > On Tue, May 20, 2003 at 10:25:30AM -0400, Jon Lido wrote: > > > Where I've noticed the problem is playing when lossy > > > audio. When playing MP3s with artsd, xmms, or mpg123, I can get > > > extremely noisy output (like static), with the audio distorted, but > > > recognizable underneath. > > > > I get the same problem with sound if I compile the kernel sound > > drivers with the ``CPUTYPE=3Dp4'' (which adds -march=3Dpentium4 to the > > compiler). When I went down to ``CPUTYPE=3Dp3'' everything works fine. > > Wether this is a bug in the math library or with gcc (more likely?) I > > don't know. --=20 Morten Rodal --mxv5cy4qt+RJ9ypb Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (FreeBSD) iD8DBQE+ylgGbWe1Cy11WVsRAnbbAKCcrUXsQFeLL3b1Ntv5FvBziy0EOwCgyPdp Mlvb/fsmP++sVU6Y4jdufhE= =LP7a -----END PGP SIGNATURE----- --mxv5cy4qt+RJ9ypb--