From owner-freebsd-current@FreeBSD.ORG Wed Jan 21 16:19:31 2009 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 03B40106566C for ; Wed, 21 Jan 2009 16:19:31 +0000 (UTC) (envelope-from freebsd-current@m.gmane.org) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by mx1.freebsd.org (Postfix) with ESMTP id 80F498FC18 for ; Wed, 21 Jan 2009 16:19:30 +0000 (UTC) (envelope-from freebsd-current@m.gmane.org) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1LPfna-00037E-LY for freebsd-current@freebsd.org; Wed, 21 Jan 2009 16:19:26 +0000 Received: from mulderlab.f5.com ([205.229.151.151]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 21 Jan 2009 16:19:26 +0000 Received: from atkin901 by mulderlab.f5.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 21 Jan 2009 16:19:26 +0000 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-current@freebsd.org From: Mark Atkinson Date: Wed, 21 Jan 2009 08:19:15 -0800 Lines: 49 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: mulderlab.f5.com User-Agent: KNode/0.10.9 Sender: news Subject: memory alignment problems with -current on amd64? 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: Wed, 21 Jan 2009 16:19:31 -0000 With recent kernels on HAMMER/amd64 I cannot complete a buildworld. The compilation keeps failing with problems like: cc -O2 -pipe -DBFD_DEFAULT_TARGET_SIZE=64 -I. -I/usr/src/gnu/usr.bin/binutils/as -I/usr/src/gnu/usr.bin/binutils/as/../libbfd -I/usr/obj/usr/src/tmp/usr/src/gnu/usr.bin/binutils/as/../libbfd -I/usr/src/gnu/usr.bin/binutils/as/../../../../contrib/binutils/include -DDEFAULT_ARCH=\"x86_64\" -DTARGET_CPU=\"x86_64\" -DTARGET_CANONICAL=\"x86_64-obrien-freebsd\" -DTARGET_ALIAS=\"x86_64-obrien-freebsd\" -DVERSION=\""2.15 [FreeBSD] 2004-05-23"\" -D_GNU_SOURCE -I/usr/src/gnu/usr.bin/binutils/as/../../../../contrib/binutils/gas -I/usr/src/gnu/usr.bin/binutils/as/../../../../contrib/binutils/gas/config -I/usr/src/gnu/usr.bin/binutils/as/../../../../contrib/binutils -I/usr/src/gnu/usr.bin/binutils/as -I/usr/src/gnu/usr.bin/binutils/as/amd64-freebsd -I/usr/obj/usr/src/tmp/legacy/usr/include -c /usr/src/gnu/usr.bin/binutils/as/../../../../contrib/binutils/gas/subsegs.c /usr/src/gnu/usr.bin/binutils/as/../../../../contrib/binutils/gas/subsegs.c: In function 'subseg_set_rest': /usr/src/gnu/usr.bin/binutils/as/../../../../contrib/binutils/gas/subsegs.c:205: internal compiler error: Bus error: 10 Please submit a full bug report, with preprocessed source if appropriate. See for instructions. *** Error code 1 1 error *** Error code 2 1 error *** Error code 2 1 error *** Error code 2 1 error *** Error code 2 1 error Yet if I run the failed command it will complete successfully: [root@dl385g5 /usr/src]# cc -O2 -pipe -DBFD_DEFAULT_TARGET_SIZE=64 -I. -I/usr/src/gnu/usr.bin/binutils/as -I/usr/src/gnu/usr.bin/binutils/as/../libbfd -I/usr/obj/usr/src/tmp/usr/src/gnu/usr.bin/binutils/as/../libbfd -I/usr/src/gnu/usr.bin/binutils/as/../../../../contrib/binutils/include -DDEFAULT_ARCH=\"x86_64\" -DTARGET_CPU=\"x86_64\" -DTARGET_CANONICAL=\"x86_64-obrien-freebsd\" -DTARGET_ALIAS=\"x86_64-obrien-freebsd\" -DVERSION=\""2.15 [FreeBSD] 2004-05-23"\" -D_GNU_SOURCE -I/usr/src/gnu/usr.bin/binutils/as/../../../../contrib/binutils/gas -I/usr/src/gnu/usr.bin/binutils/as/../../../../contrib/binutils/gas/config -I/usr/src/gnu/usr.bin/binutils/as/../../../../contrib/binutils -I/usr/src/gnu/usr.bin/binutils/as -I/usr/src/gnu/usr.bin/binutils/as/amd64-freebsd -I/usr/obj/usr/src/tmp/legacy/usr/include -c /usr/src/gnu/usr.bin/binutils/as/../../../../contrib/binutils/gas/subsegs.c [root@dl385g5 /usr/src]# echo $? 0 If I boot back to a kernel from sources Oct 15th 2008, I can complete a buildworld on this machine no problem. * This is a HP DL385G5 with 1 quad core AMD 2100 and 10G of memory. * This the amd64 GENERIC kernel * I've tried reducing hw.physmem to 2G, but that didn't make any difference. * I will recieve bus errors when running buildworld w/ -j1 * If I run buildworld with a larger number the machine will reset w/ no panic. Ideas? -- Mark Atkinson atkin901@yahoo.com (!wired)?(coffee++):(wired);