From owner-cvs-src@FreeBSD.ORG Sun May 28 07:40:07 2006 Return-Path: X-Original-To: cvs-src@freebsd.org Delivered-To: cvs-src@freebsd.org Received: from localhost.my.domain (localhost [127.0.0.1]) by hub.freebsd.org (Postfix) with ESMTP id 1431316BDE8 for ; Sun, 28 May 2006 07:23:24 +0000 (UTC) (envelope-from davidxu@freebsd.org) From: David Xu To: cvs-src@freebsd.org Date: Sun, 28 May 2006 15:23:20 +0800 User-Agent: KMail/1.8.2 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200605281523.20325.davidxu@freebsd.org> Subject: cvs log for i386/machdep.c and i386/ptrace_machdep.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 May 2006 07:40:12 -0000 I just got error message on my console when committing some bug fixes: /tmp/cvsIWwZ2B: 12 lines, 556 characters. Checking in i386/machdep.c; /home/ncvs/src/sys/i386/i386/machdep.c,v <-- machdep.c new revision: 1.627; previous revision: 1.626 done Checking in i386/ptrace_machdep.c; /home/ncvs/src/sys/i386/i386/ptrace_machdep.c,v <-- ptrace_machdep.c new revision: 1.5; previous revision: 1.4 done cvs [log aborted]: received broken pipe signal Mailing the commit message to 'src-committers@FreeBSD.org cvs-src@FreeBSD.org cvs-all@FreeBSD.org'. so if you didn't get the cvs log message, here it is: Clear high 16 bits of mxcsr register, according to Intel document, if the high 16 bits is non-zero, fxrstor instruction will generate GP fault, resulting kernel crash, this bug can be triggered by setcontext and ptrace(PT_SETXMMREGS). -- David Xu