From mboxrd@z Thu Jan 1 00:00:00 1970 From: Armin Steinhoff Subject: Re: Recommended motherboard Date: Tue, 03 May 2011 22:13:09 +0200 Message-ID: <4DC061D5.30905@steinhoff.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: linux-rt-users To: dashesy Return-path: Received: from moutng.kundenserver.de ([212.227.126.171]:54870 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754876Ab1ECUHH (ORCPT ); Tue, 3 May 2011 16:07:07 -0400 In-Reply-To: Sender: linux-rt-users-owner@vger.kernel.org List-ID: Hello Dashesy, very good information are available at: https://www.osadl.org/Individual-system-data.qa-farm-data.0.html#c4630 Check out the latency plots and make your own conclusion. --Armin dashesy wrote: > I have tested the rt31 patch and everything seems great on my > off-the-shelf high-end Xeon desktop so far. I will continue testing > and let you know if I find any oopses or panics :) > > We are in the process of upgrading our embedded system, now based on > an old ADEOS patch. > In the first step we need to substitute our soon to be obsolete > motherboard with a new long life industrial motherboard that works > with -rt (as we all hope it will be all in the mainline). > I know I will be going to a lengthy validation and testing phase to > choose the right motherboard, one that is reliable (for a medical > device), state-of-the-art (at least two cores) and of course -rt > compliant (some indication about thing like SMI or hrtimer issues for > example). > > There are few book and plenty of resources out there. "Building > Embedded Linux Systems by Karim Yaghmour, et al" is a nice book, and > linux-rt archives, LWN and LKML have been the ultimate source to keep > up with the past (as much as I could) an learn the new. To find out > what might cause problem or what to avoid when designing the system. > > It seems the manufacturers section of the OSADL Realtime QA Farm is a > good starting point to look for motherboards if one is concerned about > the latency plots, however, > That would be great if there was some sort of -rt compliance > certificate or tag, issued by OSADL (one organization that I can think > of). I believe, this might generate some revenue for the project, and > some ease of mind for developers who want to start a fresh design. > > I appreciate any comments or suggestion about the motherboard. > > Thanks > dashesy > -- > To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >