From owner-freebsd-stable Fri Mar 23 16:18:41 2001 Delivered-To: freebsd-stable@freebsd.org Received: from xena.gsicomp.on.ca (cr677933-a.ktchnr1.on.wave.home.com [24.43.230.149]) by hub.freebsd.org (Postfix) with ESMTP id E8D8A37B71A for ; Fri, 23 Mar 2001 16:18:35 -0800 (PST) (envelope-from matt@gsicomp.on.ca) Received: from hermes (hermes.gsicomp.on.ca [192.168.0.18]) by xena.gsicomp.on.ca (8.11.1/8.11.3) with SMTP id f2O0GX599827; Fri, 23 Mar 2001 19:16:33 -0500 (EST) (envelope-from matt@gsicomp.on.ca) Message-ID: <007801c0b3f7$928026e0$1200a8c0@gsicomp.on.ca> From: "Matthew Emmerton" To: , References: <200103232356.f2NNuq601634@gilmore.nas.nasa.gov> Subject: Re: 4.3-RC Kernel Buffer Corruption (Was: 4.3-BETA makeworld of current STABLE Fails) Date: Fri, 23 Mar 2001 19:15:44 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > As promised, I have rebuilt the kernel from sources cvsupped on Wednesday > night, and the kernel buffer corruption I saw previously continues. > options CPU_FASTER_5X86_FPU #Enable faster FPU exception handler > options CPU_SUSP_HLT #Enables suspend on HALT Have you tried a kernel without these CPU options? I know that the kernel uses FP registers to copy blocks of memory around, and am wondering if this "faster FPU exception handler" may be causing problems with that, leading to the in-kernel memory corruption that you indicate. -- Matt Emmerton To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message