From owner-freebsd-current@FreeBSD.ORG Tue Jul 20 05:47:26 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 884D316A4CF; Tue, 20 Jul 2004 05:47:26 +0000 (GMT) Received: from av1-2-sn4.m-sp.skanova.net (av1-2-sn4.m-sp.skanova.net [81.228.10.115]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3908943D5E; Tue, 20 Jul 2004 05:47:26 +0000 (GMT) (envelope-from daniel_k_eriksson@telia.com) Received: by av1-2-sn4.m-sp.skanova.net (Postfix, from userid 502) id 6C0A737ED2; Tue, 20 Jul 2004 07:47:25 +0200 (CEST) Received: from smtp2-2-sn4.m-sp.skanova.net (smtp2-2-sn4.m-sp.skanova.net [81.228.10.182]) by av1-2-sn4.m-sp.skanova.net (Postfix) with ESMTP id 5C6B137E4E; Tue, 20 Jul 2004 07:47:25 +0200 (CEST) Received: from gadget (h130n1fls11o822.telia.com [213.64.66.130]) by smtp2-2-sn4.m-sp.skanova.net (Postfix) with ESMTP id 3E48B37E47; Tue, 20 Jul 2004 07:47:25 +0200 (CEST) From: "Daniel Eriksson" To: "'Scott Long'" , Date: Tue, 20 Jul 2004 07:47:30 +0200 Organization: Home Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 In-Reply-To: <40FC3090.9060305@freebsd.org> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 Importance: Normal Subject: RE: HEADS UP [Re: thread+preemption stability improvement] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Tue, 20 Jul 2004 05:47:26 -0000 Scott Long wrote: > All, > > Initial testing of this patch looks very promising. For those that > aren't comfortable with patching their sources by hand, note that it > was committed to CVS a few hours ago and should be showing up on CVSup > very shortly (rev 1.8 of sys/i386/i386/intr_machdep.c is what you want > if you are running i386). Please go out and test this as much as > possible so that we can determine if futher action is needed. I must unfortunately report that this does not cure my problem with SATA instability when preemption is turned on. I have set aside some time on the server (normally a busy production-type server) to try a few different configs (SHED_ULE instead of SHED_4BSD, turning off apic, removing polling) to see if any of them will have any impact. /Daniel Eriksson