From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Hancock Subject: Re: [stable] [Bugme-new] [Bug 12351] New: sata_nv hotplug not work in 2.6.27.10 Date: Mon, 02 Feb 2009 20:04:42 -0600 Message-ID: <4987A63A.1020801@gmail.com> References: <20090105153644.8a0eea74.akpm@linux-foundation.org> <4962AC5C.1000605@shaw.ca> <20090106102758.GA7309@libero.it> <4963F520.4060500@shaw.ca> <20090115184502.GC10674@kroah.com> <4971449A.9010601@shaw.ca> <20090202225500.GB32075@kroah.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from yx-out-2324.google.com ([74.125.44.28]:45230 "EHLO yx-out-2324.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751178AbZBCCEp (ORCPT ); Mon, 2 Feb 2009 21:04:45 -0500 Received: by yx-out-2324.google.com with SMTP id 8so647227yxm.1 for ; Mon, 02 Feb 2009 18:04:43 -0800 (PST) In-Reply-To: <20090202225500.GB32075@kroah.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Greg KH Cc: linux-ide@vger.kernel.org, bugme-daemon@bugzilla.kernel.org, Tejun Heo , gpanco@tiscali.it, Andrew Morton , stable@kernel.org Greg KH wrote: > On Fri, Jan 16, 2009 at 08:38:18PM -0600, Robert Hancock wrote: >> Greg KH wrote: >>> On Tue, Jan 06, 2009 at 06:19:44PM -0600, Robert Hancock wrote: >>>> Giovanni Pancotti wrote: >>>>> On Monday 05 January 2009, alle 18:57, Robert Hancock wrote: >>>>> >>>>>>>> Hardware Environment:x86 ASUS M2N-E >>>>>> OK, this is an MCP61 board. We're now using softreset instead of hardreset >>>>>> on hotplug and apparently that doesn't work. Thing is that: >>>>> no, it is not MCP61, but MCP55: >>>> Ahh, ok, that is less contradictory then :-) Presumably we should still >>>> be using hardreset on that chipset. >>> So, do we know how to solve this in the 2.6.27.y tree? >> Can you try reverting this patch? >> >> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff_plain;h=3c324283e6cdb79210cf7975c3e40d3ba3e672b2 >> >> This likely isn't a proper fix as it will probably re-break some other >> chipsets but it will confirm what the problem is in this case. It looks >> like this patch changed MCP55 to inherit from generic_ops instead of >> common_ops which caused it to use soft reset instead of hard reset. Not >> sure if that was intentional or not.. Tejun? > > I don't want to revert that, as I don't want to break anything else :) That was directed at the reporter :-) However, hopefully this patch in current git will resolve the problem: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2d775708bc6613f1be47f1e720781343341ecc94