From owner-freebsd-current@FreeBSD.ORG Mon Jun 18 17:04:33 2007 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 1BA8716A46B for ; Mon, 18 Jun 2007 17:04:33 +0000 (UTC) (envelope-from youshi10@u.washington.edu) Received: from mxout5.cac.washington.edu (mxout5.cac.washington.edu [140.142.32.135]) by mx1.freebsd.org (Postfix) with ESMTP id DF6A313C46C for ; Mon, 18 Jun 2007 17:04:32 +0000 (UTC) (envelope-from youshi10@u.washington.edu) Received: from hymn01.u.washington.edu (hymn01.u.washington.edu [140.142.8.55]) by mxout5.cac.washington.edu (8.13.7+UW06.06/8.13.7+UW07.05) with ESMTP id l5IH4WLT006737 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 18 Jun 2007 10:04:32 -0700 Received: from localhost (localhost [127.0.0.1]) by hymn01.u.washington.edu (8.13.7+UW06.06/8.13.7+UW07.03) with ESMTP id l5IH4Wsi003904 for ; Mon, 18 Jun 2007 10:04:32 -0700 X-Auth-Received: from [192.55.52.1] by hymn01.u.washington.edu via HTTP; Mon, 18 Jun 2007 10:04:32 PDT Date: Mon, 18 Jun 2007 10:04:32 -0700 (PDT) From: youshi10@u.washington.edu To: current@freebsd.org Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-PMX-Version: 5.3.1.294258, Antispam-Engine: 2.5.1.298604, Antispam-Data: 2007.6.18.94634 X-Uwash-Spam: Gauge=IIIIIII, Probability=7%, Report='NO_REAL_NAME 0, __CT 0, __CT_TEXT_PLAIN 0, __FRAUD_419_BADTHINGS 0, __HAS_MSGID 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __SANE_MSGID 0' Cc: Subject: Re: [AMD64] X.org build eats all the memory when compiled with GCC 4.2 (fwd) 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: Mon, 18 Jun 2007 17:04:33 -0000 ---------- Forwarded message ---------- Date: Mon, 18 Jun 2007 08:33:00 -0700 From: Garrett Cooper To: Daniel Eischen Subject: Re: [AMD64] X.org build eats all the memory when compiled with GCC 4.2 Daniel Eischen wrote: > On Mon, 18 Jun 2007, Michiel Boland wrote: > >> On Sat, 16 Jun 2007, Garrett Cooper wrote: >> >>> Claus Guttesen wrote: >>>>> I recompiled X.org yesterday and hit the following problem >>>>> (1 week old -current, yesterdays packages, AMD64) -- when compiling >>>>> files in >>>>> /usr/ports/x11-servers/xorg-server/work/xorg-server-1.2.0/hw/xfree86/scanpci >>>>> directory, there are huge .h files - about 4mb. when compiler uses >>>>> -O2 >>>>> or -O option it eats all available memory and then gets killed by >>>>> the >>>>> system. >>>>> Without -O/O2 option compile works just as expected. >>>>> >>>>> Now -- should I file a PR or it's known bug? >>>> >>>> No, but you should read the archives. Requires more than 1 GB of >>>> swap. >>>> >>> It's a known bug that isn't going to be fixed until gcc 4.2.1. >>> -Garrett >>> >> >> Well, until then, is it not possible to at least put the following patch >> in ports/x11-servers/xorg-server/files: > > [ ... ] > >> That would make a lot of people very happy. In particular those running >> amd64. > > Yes, it happens on i386 too. I think requiring more than 1GB of swap > is ridiculous. Please patch gcc or the port. > Patching gcc would be the better idea, but if there's a bug with the current patch that was ported from 4.3.0 to 4.2.0 and will be in 4.2.1, that will break lots of compilations.. I would search for gcc 4.2 quadratic -- it's a fairly long thread on GNU's bugzilla. -Garrett --------- Forgot to CC the list. -Garrett