From owner-freebsd-current@FreeBSD.ORG Sun Apr 10 22:15:37 2005 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 3BD4416A4CE for ; Sun, 10 Apr 2005 22:15:37 +0000 (GMT) Received: from carver.gumbysoft.com (carver.gumbysoft.com [66.220.23.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id E09B843D46 for ; Sun, 10 Apr 2005 22:15:36 +0000 (GMT) (envelope-from dwhite@gumbysoft.com) Received: by carver.gumbysoft.com (Postfix, from userid 1000) id D4AB372DDD; Sun, 10 Apr 2005 15:15:36 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by carver.gumbysoft.com (Postfix) with ESMTP id D2DBD72DD4; Sun, 10 Apr 2005 15:15:36 -0700 (PDT) Date: Sun, 10 Apr 2005 15:15:36 -0700 (PDT) From: Doug White To: "Wilhelm B. Kloke" In-Reply-To: Message-ID: <20050410151401.O82708@carver.gumbysoft.com> References: <20050406233405.O47071@carver.gumbysoft.com> <200504081656.51917.jhb@FreeBSD.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-current@freebsd.org Subject: Re: Potential source of interrupt aliasing 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: Sun, 10 Apr 2005 22:15:37 -0000 On Sun, 10 Apr 2005, Wilhelm B. Kloke wrote: > Doug White schrieb: > > On Fri, 8 Apr 2005, John Baldwin wrote: > > > > For fun, I put together this one-liner to at least test the theory: > > > > http://people.freebsd.org/~dwhite/intr_machdep.c.20050409.patch > > As I have found a problem which could be related to this, I tried your patch. > For my problems, it made things not better, possibly worse. Don't use my patch. It will cause lockups under load. I suspect that the underlying issue is related to storming issues in PIC mode, but I'd rather try to fix it in APIC mode first. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org