Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756743AbZDPNcz (ORCPT ); Thu, 16 Apr 2009 09:32:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755176AbZDPNco (ORCPT ); Thu, 16 Apr 2009 09:32:44 -0400 Received: from casper.infradead.org ([85.118.1.10]:54425 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754108AbZDPNcn (ORCPT ); Thu, 16 Apr 2009 09:32:43 -0400 Date: Thu, 16 Apr 2009 06:34:01 -0700 From: Arjan van de Ven To: Alan Cox Cc: Greg KH , Mark Lord , Jeff Garzik , Linux USB kernel mailing list , Alan Stern , LKML , "Rafael J. Wysocki" Subject: Re: USB storage no-boot regression (bisected) Message-ID: <20090416063401.32ced22a@infradead.org> In-Reply-To: <20090416115153.68589464@lxorguk.ukuu.org.uk> References: <20090415014930.GA29413@kroah.com> <49E5480F.10501@garzik.org> <20090415050947.GB3462@kroah.com> <49E5EE41.3090505@rtr.ca> <20090415073001.503b0361@infradead.org> <49E5FF48.3030809@rtr.ca> <20090415125813.34c9a151@infradead.org> <49E657BC.6000707@rtr.ca> <20090415183213.7962d929@infradead.org> <49E6948E.3040901@rtr.ca> <20090416025408.GE4806@kroah.com> <20090416115153.68589464@lxorguk.ukuu.org.uk> Organization: Intel X-Mailer: Claws Mail 3.7.0 (GTK+ 2.14.7; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1166 Lines: 33 On Thu, 16 Apr 2009 11:51:53 +0100 Alan Cox wrote: > > > Though it's an onboard USB SSD, not a pluggable stick. > > > > Wow, that's insane. Leave it to a hardware designer to use a bus > > that you never know if you have discovered all the devices to be > > the primary device to boot from. > > Let me see: > > - Standardised small component > - Low pin count and low wire count bus > - Cheap > > In an embedded environment where you know the device is wired in at > software level that strikes me not as insane but very sensible. I'm not surprised usb is used for storage. What I am surprised at is that USB is used in such high end environments that rootwait is not sufficient and that the panic-rebooter is needed for the reliability. -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org -- 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/