From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: GA-MA790FX-DS5 SATA ahci NCQ erros on Jmicron 20360/20363 (JMB363) kernel 2.6.25-2 Debian/Lenny Date: Sat, 30 Aug 2008 13:00:22 +0200 Message-ID: <48B92846.7050004@kernel.org> References: <48B0916C.4080805@garzik.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:38903 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751053AbYH3LBi (ORCPT ); Sat, 30 Aug 2008 07:01:38 -0400 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: xerces8 Cc: Sergey Spiridonov , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org xerces8 wrote: > I have a JMB363 myself and it has its share of problems. > I would say it is buggy hardware. (why would they otherwise > release a new windows driver every week ? if not to workaround > bugs in HW ;-) Well, FWIW, JMB ahci's are one of my favorites and usually very well behaved. > My WD MyBook Studio Edition 500 GB external eSATA drive does not > work on the JMB363 correctly no matter what I try. Both > under linux and windows. I think the best was 30 minutes of > (apparent) error free operation under windows. This one is being discussed both with JMB and WD. It seems the bridge chip used in the WD external drives is somehow incompatible with the JMB ahci's. Don't know whose fault it is or how it can be worked around yet. The issue is being tracked in the following bugzilla. http://bugzilla.kernel.org/show_bug.cgi?id=9913 -- tejun