From owner-freebsd-current@FreeBSD.ORG Sun Nov 30 00:03:41 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 526C8106564A for ; Sun, 30 Nov 2008 00:03:41 +0000 (UTC) (envelope-from yanefbsd@gmail.com) Received: from rv-out-0506.google.com (rv-out-0506.google.com [209.85.198.227]) by mx1.freebsd.org (Postfix) with ESMTP id 2466C8FC16 for ; Sun, 30 Nov 2008 00:03:41 +0000 (UTC) (envelope-from yanefbsd@gmail.com) Received: by rv-out-0506.google.com with SMTP id b25so1832904rvf.43 for ; Sat, 29 Nov 2008 16:03:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=4Vp/Z/mpGRq3R3Pd6CSw8XYfdhfmIuu3oyCk30r++M8=; b=PCXrjv+BstVbt2TH3O1bkZ3fBn0ESDqqIWNgzhQ2GWBBzDli8a8hBdYykeJIjQHpak hIPIcT5ACWY3zRJ4SUrEwUx06uS24UXyx0yN+b/nTdFnY8RszQwt4ga44gAkS8Bidp/E zFv5JWGr2y5O46ca5KR2LOARc8t5j+Px9MNSc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=Au7j3QqNdCJjwyY0fFR6LvJx22z7wu8OtgyVrauzPMjHipLeN8rReHKXbYd4FiOomu eT/Zos3roZz8IX9VCpApu+vI0vIEgrCxhlh7gCW2SxNiz16XIs1yRwOnwM5+oTPxjBU1 UhHqUEnRwy3CX0kbkFI6vQ3rxoJCee6ngEuUc= Received: by 10.141.43.19 with SMTP id v19mr4452299rvj.115.1228003420482; Sat, 29 Nov 2008 16:03:40 -0800 (PST) Received: by 10.140.158.13 with HTTP; Sat, 29 Nov 2008 16:03:40 -0800 (PST) Message-ID: <7d6fde3d0811291603h23a6945cv193cb61ce3f5cc3c@mail.gmail.com> Date: Sat, 29 Nov 2008 16:03:40 -0800 From: "Garrett Cooper" To: "Giorgos Keramidas" In-Reply-To: <7d6fde3d0811291602m3d10dcc6m9c9cbb3f2a8bcd47@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <87wseo731o.fsf@kobe.laptop> <87fxlcba7p.fsf@kobe.laptop> <87myfjma0k.fsf@kobe.laptop> <87wsempm2k.fsf@kobe.laptop> <878wr2pj5p.fsf@kobe.laptop> <7d6fde3d0811291602m3d10dcc6m9c9cbb3f2a8bcd47@mail.gmail.com> Cc: freebsd-current@freebsd.org, Peter Wemm Subject: Re: tty problems in recent head? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Sun, 30 Nov 2008 00:03:41 -0000 On Sat, Nov 29, 2008 at 4:02 PM, Garrett Cooper wrote: > On Sat, Nov 29, 2008 at 8:54 AM, Giorgos Keramidas > wrote: >> On Sat, 29 Nov 2008 17:51:31 +0200, Giorgos Keramidas wrote: >>> On Fri, 28 Nov 2008 20:47:00 -0800, "Peter Wemm" wrote: >>> without -O2 optimizations, I'll keep going backwards to see if I can >>> locate the commit that this started happening. >> >> Heh, interesting... GENERIC from /head@185376 compiled with a >> `make.conf' that disables optimizations works fine so far: >> >> # CFLAGS?= -O2 -fno-strict-aliasing -pipe >> # COPTFLAGS?= -O -pipe >> NO_CPU_CFLAGS= # Don't add -march= to CFLAGS automatically >> NO_CPU_COPTFLAGS= # Don't add -march= to COPTFLAGS automatically > > Might be another compiler issue. There's an issue with > -fstrict-aliasing (at least) on all versions of g++ up to 4.2.3: > . > Are there some compiler warnings when compiling kernel / screen? > Also, have you tried with just COPTFLAGS disabled? > -Garrett Actually, this may be the culprit: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35643 -Garrett