From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Stardom SATA HSM violation Date: Fri, 07 Sep 2007 09:58:59 +0900 Message-ID: <46E0A253.7060803@gmail.com> References: <46CFA08E.6090604@arbores.ca> <6bffcb0e0708261610g10d9c59ck5789fac6feca9f42@mail.gmail.com> <46DBCB6C.8080206@gmail.com> <20070905095327.6277d054.akpm@linux-foundation.org> <46DEE617.4050004@rtr.ca> 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 ([209.85.146.177]:36645 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964896AbXIGA7J (ORCPT ); Thu, 6 Sep 2007 20:59:09 -0400 Received: by wa-out-1112.google.com with SMTP id v27so364056wah for ; Thu, 06 Sep 2007 17:59:09 -0700 (PDT) In-Reply-To: <46DEE617.4050004@rtr.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark Lord Cc: Andrew Morton , michal.k.k.piotrowski@gmail.com, bryan@arbores.ca, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Hello, Mark Lord wrote: > I reported a very similar bug back a few releases ago. > Anyone who wants to try it themselves, can do this with hdparm-7.7 (from > sourceforge): > > hdparm --drq-hsm-error /dev/sda > > Whether or not it hangs the machine does depend upon exactly which SATA > LLD is used, > and what model/revision of drive is installed. But if it hangs for you > (eg. Tejun), > then you now have a way to reproduce a HSM error "on demand" for > testing. :) Neat. Is this the FIFO-draining issue? Thanks. -- tejun