From owner-freebsd-current@FreeBSD.ORG Wed Nov 28 13:43:19 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DE50216A417 for ; Wed, 28 Nov 2007 13:43:19 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.freebsd.org (Postfix) with ESMTP id C97C313C468 for ; Wed, 28 Nov 2007 13:43:19 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from zion.baldwin.cx (66-23-211-162.clients.speedfactory.net [66.23.211.162]) by elvis.mu.org (Postfix) with ESMTP id 6A9FC1A4D7E; Wed, 28 Nov 2007 05:43:19 -0800 (PST) From: John Baldwin To: =?iso-8859-1?q?S=F8ren_Schmidt?= Date: Wed, 28 Nov 2007 08:42:08 -0500 User-Agent: KMail/1.9.7 References: <73807.10710.qm@web63912.mail.re1.yahoo.com> <200711271639.09601.jhb@freebsd.org> <474D1C8C.2060304@deepcore.dk> In-Reply-To: <474D1C8C.2060304@deepcore.dk> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Message-Id: <200711280842.09340.jhb@freebsd.org> Cc: Barney Cordoba , freebsd-current@freebsd.org Subject: Re: Any successful installs on a Broadcom HT1000 chipset? 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: Wed, 28 Nov 2007 13:43:20 -0000 On Wednesday 28 November 2007 02:45:16 am S=F8ren Schmidt wrote: > John Baldwin wrote: > > > > FYI, I've seen weird in-memory corruption with machines with the HT1000= _S1=20 > > atapci device. In all the cases I've seen so far, a single page is cor= rupted=20 > > with garbage and the page happens to be used by UMA to hold credentials= =20 > > including proc0's credentials. I've seen this corruption (trashed cred= s for=20 > > proc0 and other creds in that page) on many of the same boxes (Dell 143= 5's=20 > > IIRC) running on 6.2. I've tried switching the HT1000_S1 to use SWKSMI= O=20 > > rather SWKS100 as I mentioned to you in an earlier e-mail (the Linux dr= iver=20 > > uses equivalent of SWKSMIO FWIW) but don't have any conclusive tests on= that. > > > > =20 > OK, seems the chipset has some real problems, I have digged through all=20 > the (very little) docs and info I got from serverworks back when, and=20 > the only thing I can find is that the chips doesn't support MSI in any=20 > shape or fashion or it will do really strange things. > Now on my system it seems to be disabled but I'm not sure yet how its=20 > determined to be that way. Would be worth for you guys to check what the= =20 > sysctl's "hw.pci.enable_msi" and "hw.pci.enable_msix" are set to. > I havn't looked into this yet, but I'm pretty sure we added MSI support=20 > in the 6.2 -> 7.0 timeframe, so that might have uncovered this chipset=20 > bug, and possibly the Promise data corruption one as well. The ata driver doesn't use MSI (no calls to pci_msi_count or pci_msi_alloc, etc.), so this isn't an issue. Also, the boxes I've seen the corruption on already have MSI disabled (it's still disabled by default in 6.x). =2D-=20 John Baldwin