From owner-freebsd-current Sat May 4 19:20:31 2002 Delivered-To: freebsd-current@freebsd.org Received: from k6.locore.ca (k6.locore.ca [198.96.117.170]) by hub.freebsd.org (Postfix) with ESMTP id 70F2337B400 for ; Sat, 4 May 2002 19:20:28 -0700 (PDT) Received: (from jake@localhost) by k6.locore.ca (8.11.6/8.11.6) id g452SBP87038; Sat, 4 May 2002 22:28:11 -0400 (EDT) (envelope-from jake) Date: Sat, 4 May 2002 22:28:11 -0400 From: Jake Burkholder To: Bruce Evans Cc: freebsd-current@FreeBSD.ORG, Brian Somers , Martin Blapp Subject: Re: CURRENT and P-IV problems Message-ID: <20020504222811.E66853@locore.ca> References: <20020504152627.A8162@dragon.nuxi.com> <20020505103933.L710-100000@gamplex.bde.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20020505103933.L710-100000@gamplex.bde.org>; from bde@zeta.org.au on Sun, May 05, 2002 at 10:44:44AM +1000 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Apparently, On Sun, May 05, 2002 at 10:44:44AM +1000, Bruce Evans said words to the effect of; > On Sat, 4 May 2002, David O'Brien wrote: > > > On Sat, May 04, 2002 at 09:26:33PM +0100, Brian Somers wrote: > > > Try disabling -pipe when building the compiler. This seems to make > > > things more stable here (CFLAGS=-O in /etc/make.conf) - as if > > > building the kernel with -pipe sometimes produces a kernel that > > > subsequently murders the compiler with sig11/sig4 all the time. > > > > If so, then we have a bug in our pipe ('|', not 'gcc -pipe') > > implimentation. > > I have seen signs of a generic pipe bug in vi: vi's i/o buffer for > pipes is sometimes invalid (kern/sys_pipe.c:pipe_build_write_buffer() > gets an error faulting it in). This doesn't usually cause signals; > it just confuses vi. Can you try backing out rev 1.104 of kern/sys_pipe.c? Jake To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message