From owner-freebsd-sparc64@FreeBSD.ORG Tue Dec 2 11:57:05 2008 Return-Path: Delivered-To: sparc64@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4875D1065670 for ; Tue, 2 Dec 2008 11:57:05 +0000 (UTC) (envelope-from fbsd-sparc64@bzerk.org) Received: from ei.bzerk.org (tunnel490.ipv6.xs4all.nl [IPv6:2001:888:10:1ea::2]) by mx1.freebsd.org (Postfix) with ESMTP id A71738FC16 for ; Tue, 2 Dec 2008 11:57:04 +0000 (UTC) (envelope-from fbsd-sparc64@bzerk.org) Received: from ei.bzerk.org (BOFH@localhost [127.0.0.1]) by ei.bzerk.org (8.14.2/8.14.2) with ESMTP id mB2Bur3h091735; Tue, 2 Dec 2008 12:56:53 +0100 (CET) (envelope-from fbsd-sparc64@bzerk.org) Received: (from bulk@localhost) by ei.bzerk.org (8.14.2/8.14.2/Submit) id mB2BurlI091734; Tue, 2 Dec 2008 12:56:53 +0100 (CET) (envelope-from fbsd-sparc64@bzerk.org) Date: Tue, 2 Dec 2008 12:56:53 +0100 From: Ruben de Groot To: Marius Strobl Message-ID: <20081202115653.GA90256@ei.bzerk.org> References: <20081103120215.GA32257@ei.bzerk.org> <20081103221111.GA8256@alchemy.franken.de> <20081105195630.GA52831@ei.bzerk.org> <20081109183232.GC76319@alchemy.franken.de> <20081119080344.GA96293@ei.bzerk.org> <20081119220317.GP64456@alchemy.franken.de> <20081120054711.GA11035@ei.bzerk.org> <20081201211806.GF82355@alchemy.franken.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20081201211806.GF82355@alchemy.franken.de> User-Agent: Mutt/1.4.2.3i X-Spam-Status: No, score=-4.4 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on ei.bzerk.org X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (ei.bzerk.org [127.0.0.1]); Tue, 02 Dec 2008 12:56:56 +0100 (CET) Cc: sparc64@freebsd.org Subject: Re: Panic in 7.1-PRERELEASE (was: Re: kgdb on sparc64) X-BeenThere: freebsd-sparc64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the Sparc List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Dec 2008 11:57:05 -0000 On Mon, Dec 01, 2008 at 10:18:06PM +0100, Marius Strobl typed: > On Thu, Nov 20, 2008 at 06:47:11AM +0100, Ruben de Groot wrote: > > > > Thanks. I've moved all websites away from this machine, so it's available for any > > further tests to help find a solution. > > > > Could you please give the patch at: > http://people.freebsd.org/~marius/dc_bitbang_delay.diff > a try? It's based on information gained from other drivers for > the same chips that there should be an delay after every write > when bit-banging the MII, which hopefully solves the bus wedging > you're seeing. So far I didn't manage to reproduce the problem > though, so I can't test whether the patch makes an actual > difference either. Thanks for looking into this. Running with this patch right now. It'll take some time to conclude if this fixes the issue, as the panics normally happen only once every 2-3 days. Will report back in a week or so Ruben