Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751851AbXBJUkA (ORCPT ); Sat, 10 Feb 2007 15:40:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751855AbXBJUkA (ORCPT ); Sat, 10 Feb 2007 15:40:00 -0500 Received: from mailout.stusta.mhn.de ([141.84.69.5]:47434 "EHLO mailhub.stusta.mhn.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751851AbXBJUj7 (ORCPT ); Sat, 10 Feb 2007 15:39:59 -0500 Date: Sat, 10 Feb 2007 21:40:04 +0100 From: Adrian Bunk To: Lee Revell Cc: nigel@nigel.suspend2.net, Robert Hancock , linux-kernel , Jeff Garzik Subject: Re: NAK new drivers without proper power management? Message-ID: <20070210204004.GO12958@stusta.de> References: <45CD24F6.8090107@shaw.ca> <75b66ecd0702091759q4140680atee2e80f7ca26af03@mail.gmail.com> <1171073398.3863.9.camel@nigel.suspend2.net> <75b66ecd0702091822n19cf88b8k63bbd705cf5367ae@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <75b66ecd0702091822n19cf88b8k63bbd705cf5367ae@mail.gmail.com> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1891 Lines: 46 On Fri, Feb 09, 2007 at 09:22:48PM -0500, Lee Revell wrote: > On 2/9/07, Nigel Cunningham wrote: > >On Fri, 2007-02-09 at 20:59 -0500, Lee Revell wrote: > >> On 2/9/07, Robert Hancock wrote: > >> > I would disagree that it's a peripheral issue, it's pretty core these > >> > days, at least for any hardware that you can stuff in a laptop (though > >a > >> > fair number of desktops get suspended and resumed these days too). > >> > >> Servers are still the most important Linux market, and don't care > >> about suspend/resume. I would consider implementing suspend./resume > >> for a driver that will only be used in server or HPC class hardware a > >> waste of valuable development resources. > > > >Not necessarily. Imagine suspending to disk in order to replace a faulty > >card. That could be way faster and less disruptive than shutting down > >normally and loosing caches and so on. > > > > Hmm. If uptime is critical I would make sure to have redundant > systems anyway and I would just reboot the thing. I would not expect > the suspend/resume paths on server class hardware like 10gig ethernet, > Infiniband adapters, or high end SCSI to be particularly well tested. >... 10gig ethernet will be commodity hardware 5 years from now like 1gig ethernet today where you can get cards for 12 Euro and switches for 40 Euro. > Lee cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/