From owner-freebsd-hackers@FreeBSD.ORG Sat Dec 13 11:39:35 2003 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 39C3916A4D1; Sat, 13 Dec 2003 11:39:35 -0800 (PST) Received: from artax.karlin.mff.cuni.cz (artax.karlin.mff.cuni.cz [195.113.31.125]) by mx1.FreeBSD.org (Postfix) with ESMTP id 04E4E43E04; Sat, 13 Dec 2003 11:33:07 -0800 (PST) (envelope-from mikulas@artax.karlin.mff.cuni.cz) Received: by artax.karlin.mff.cuni.cz (Postfix, from userid 17421) id A51CD3F12; Sat, 13 Dec 2003 20:32:14 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by artax.karlin.mff.cuni.cz (Postfix) with ESMTP id A4AC53F10; Sat, 13 Dec 2003 20:32:14 +0100 (CET) Date: Sat, 13 Dec 2003 20:32:14 +0100 (CET) From: Mikulas Patocka To: freebsd-hackers@freebsd.org Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-smp@freebsd.org Subject: Hyperthreading crashes X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 13 Dec 2003 19:39:35 -0000 Hi I use FreeBSD-4.9-RC1 on a machine with hyperthreading (it seems that hyperthreading support was ripped out of final 4.9 release --- why?) I get random SIGBUSes when compiling (once I got SIGSEGV too). When I compile only with make -j 1, I get no errors. Is it known problem with FreeBSD? Or does it mean that the machine is bad? How can I find what's the reason for particular SIGBUS signal --- what did the program wrong? Mikulas