From owner-freebsd-current@FreeBSD.ORG Tue Apr 24 14:33:56 2007 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id C372516A400; Tue, 24 Apr 2007 14:33:56 +0000 (UTC) (envelope-from roberto@keltia.freenix.fr) Received: from keltia.freenix.fr (keltia.freenix.org [82.230.37.243]) by mx1.freebsd.org (Postfix) with ESMTP id 7D17F13C44B; Tue, 24 Apr 2007 14:33:56 +0000 (UTC) (envelope-from roberto@keltia.freenix.fr) Received: from localhost (localhost [127.0.0.1]) by keltia.freenix.fr (Postfix/TLS) with ESMTP id E99643939F; Tue, 24 Apr 2007 16:33:54 +0200 (CEST) Received: from keltia.freenix.fr ([127.0.0.1]) by localhost (keltia.freenix.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 04844-17; Tue, 24 Apr 2007 16:33:54 +0200 (CEST) Received: by keltia.freenix.fr (Postfix/TLS, from userid 101) id 8D7D139393; Tue, 24 Apr 2007 16:33:54 +0200 (CEST) Date: Tue, 24 Apr 2007 16:33:54 +0200 From: Ollivier Robert To: freebsd-current@freebsd.org, current@freebsd.org, William Josephson Message-ID: <20070424143354.GA5211@keltia.freenix.fr> References: <20070424051420.GA84831@mero.morphisms.net> <200704241554.12605.doconnor@gsoft.com.au> <20070424084409.GA98777@keltia.freenix.fr> <200704241942.40874.doconnor@gsoft.com.au> <20070424115340.GA2172@keltia.freenix.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070424115340.GA2172@keltia.freenix.fr> X-Operating-System: MacOS X / Macbook Pro - FreeBSD 6.2 / Dell D820 SMP User-Agent: Mutt/1.5.14 (2007-02-12) X-Virus-Scanned: amavisd-new at keltia.freenix.fr Cc: Subject: Re: ATA FLUSHCACHE X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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, 24 Apr 2007 14:33:56 -0000 According to Ollivier Robert: > As soon as I try to get it working in a more disk-intensive (raidz in that > case) way, it blows up with a panic. It seems to point to a flaw in the > ata driver which may not be managing semaphores/mutex correctly or maybe in > the way it uses UMA zones (the panic starts there). Allowing retries on ATA_FLUSHCACHE operations (by default they are not -- see ata-disk.c around line 280) gets me further but it still panics. -- Ollivier ROBERT -=- FreeBSD: The Power to Serve! -=- roberto@keltia.freenix.fr Darwin sidhe.keltia.net Kernel Version 8.8.2: Thu Sep 28 20:43:26 PDT 2006 i386