From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: 2.6.24-rc & SB600 AHCI no go on >=4GB of RAM Date: Tue, 13 Nov 2007 12:08:34 +0900 Message-ID: <47391532.2000507@gmail.com> References: <586940.45572.qm@web52611.mail.re2.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from wa-out-1112.google.com ([209.85.146.178]:9139 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755262AbXKMDIt (ORCPT ); Mon, 12 Nov 2007 22:08:49 -0500 Received: by wa-out-1112.google.com with SMTP id v27so1778827wah for ; Mon, 12 Nov 2007 19:08:48 -0800 (PST) In-Reply-To: <586940.45572.qm@web52611.mail.re2.yahoo.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Srihari Vijayaraghavan Cc: linux-ide@vger.kernel.org Srihari Vijayaraghavan wrote: > Tejun Heo wrote: >> [...] Please post boot log. > > Both the working (with mem= option) & a panicking ones attached. > > Actually as you've pointed out, it may have nothing to do with ahci or sb600 > as such, just that they helped in exposing the problem. > > Because it started working with mem=3500M, I jumped to conclusions (as usual). You need to turn on IOMMU. -- tejun