From owner-freebsd-current@FreeBSD.ORG Sat May 1 15:24:28 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 7C3E616A4CE for ; Sat, 1 May 2004 15:24:28 -0700 (PDT) Received: from harmony.village.org (rover.bsdimp.com [204.144.255.66]) by mx1.FreeBSD.org (Postfix) with ESMTP id E7A0D43D45 for ; Sat, 1 May 2004 15:24:27 -0700 (PDT) (envelope-from imp@bsdimp.com) Received: from localhost (warner@rover2.village.org [10.0.0.1]) by harmony.village.org (8.12.10/8.12.9) with ESMTP id i41MOQZJ013559; Sat, 1 May 2004 16:24:27 -0600 (MDT) (envelope-from imp@bsdimp.com) Date: Sat, 01 May 2004 16:24:55 -0600 (MDT) Message-Id: <20040501.162455.37300016.imp@bsdimp.com> To: bde@zeta.org.au From: "M. Warner Losh" In-Reply-To: <20040501140658.F19558@gamplex.bde.org> References: <20040426233925.Y5300@gamplex.bde.org> <20040430102504.477152ce.bm@malepartus.de> <20040501140658.F19558@gamplex.bde.org> X-Mailer: Mew version 3.3 on Emacs 21.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit cc: bm@malepartus.de cc: freebsd-current@freebsd.org Subject: Re: sio: lots of silo overflows on Asus K8V with Moxa Smartio C104H/PCI 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: Sat, 01 May 2004 22:24:28 -0000 In message: <20040501140658.F19558@gamplex.bde.org> Bruce Evans writes: : Not using a fast interrupt handler may cause occasional silo overflows, : but shouldn't cause many. The problem is mostly elsewhere (Giant locking : for too long), but siointr() shouldn't use Giant locking. Try the following : patch if you still have shared interrupts: Is the tty layer giant safe now? Warner