From owner-freebsd-hackers@FreeBSD.ORG Fri Mar 13 15:16:25 2009 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8902B106564A for ; Fri, 13 Mar 2009 15:16:25 +0000 (UTC) (envelope-from avg@freebsd.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id CB0708FC08 for ; Fri, 13 Mar 2009 15:16:24 +0000 (UTC) (envelope-from avg@freebsd.org) Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua [212.40.38.101]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id RAA11276 for ; Fri, 13 Mar 2009 17:16:23 +0200 (EET) (envelope-from avg@freebsd.org) Message-ID: <49BA78C6.30202@freebsd.org> Date: Fri, 13 Mar 2009 17:16:22 +0200 From: Andriy Gapon User-Agent: Thunderbird 2.0.0.19 (X11/20090110) MIME-Version: 1.0 To: freebsd-hackers@freebsd.org References: <49BA5F24.1020105@icyb.net.ua> <49BA6DD0.1080407@freebsd.org> In-Reply-To: <49BA6DD0.1080407@freebsd.org> X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: intpm: multiple salves, collision [solved] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Mar 2009 15:16:25 -0000 on 13/03/2009 16:29 Andriy Gapon said the following: > > Sorry for the noise, the problem seems to be in misbehavior on part of one of the > slaves used by the original program. I wrote a minimalistic test program and ran > it for several different combinations of slaves - the issue only occurs if a > certain slave is accessed, no problems for any other slaves. > I wonder what could be wrong with that slave. > Mystery is cleared - I should have used READW to access that slave. The slave is a little bit sloppy - it accepts READB but replies with two bytes of data, and its documentation implies that READB can be used, but I should have known better. -- Andriy Gapon