From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Questions about SATA hotplug in linux 2.6 Date: Fri, 21 Dec 2007 16:35:27 +0900 Message-ID: <476B6CBF.5060607@gmail.com> References: <20071025.011445.80152909.davem@davemloft.net> <472052C1.2050302@garzik.org> <5CAB7B5D6F8AB84AA868A46B47A50705622EAB@sshaexmb1.amd.com> <472153D3.2020102@garzik.org> <4721575B.70706@gmail.com> <47679074.9000400@gmail.com> <476A0970.9090804@gmail.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 ([209.85.146.181]:49446 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751875AbXLUHfe (ORCPT ); Fri, 21 Dec 2007 02:35:34 -0500 Received: by wa-out-1112.google.com with SMTP id v27so340855wah.23 for ; Thu, 20 Dec 2007 23:35:33 -0800 (PST) In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Shane Huang Cc: Jeff Garzik , linux-ide@vger.kernel.org Hello, Shane. Shane Huang wrote: >>> That's strange. I guess we're forgetting something when forcing the >>> controller into AHCI mode. >> Yes, it's strange. This issue also exists on RedHat RHEL5.1 and > RHEL4.6 >>> What happens if you manually issue re-scan >>> by doing "echo - - - > /sys/class/scsi_host/hostN/scan" where hostN > is >>> the SCSI host for the ATA port you moved the drive? >> "echo" helps nothing in this issue, the /dev/scd1 still can not > appear, >> Here is the log message when do "echo", ata2 is the new SATA port > connected >> to SATA HDD after hotplug under native IDE mode: > > It seems that this issue has been fixed by our up to date BIOS. > I will give you more information after further confirmation when > necessary. Great, thanks. -- tejun