From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: ATA device reset, shoud I be concerned? Date: Tue, 22 Jan 2008 10:36:14 +0900 Message-ID: <4795488E.30706@gmail.com> References: <200801140019.20668.g.chulkov@jacobs-university.de> <20080121164744.2f7d0ed1@lxorguk.ukuu.org.uk> <4794D020.4060204@gmail.com> <200801220231.22609.bzolnier@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from rv-out-0910.google.com ([209.85.198.185]:15826 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752649AbYAVBgW (ORCPT ); Mon, 21 Jan 2008 20:36:22 -0500 Received: by rv-out-0910.google.com with SMTP id k20so1958975rvb.1 for ; Mon, 21 Jan 2008 17:36:20 -0800 (PST) In-Reply-To: <200801220231.22609.bzolnier@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Bartlomiej Zolnierkiewicz Cc: Alan Cox , Andrew Morton , Georgi Chulkov , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, Mark Lord Bartlomiej Zolnierkiewicz wrote: > On Monday 21 January 2008, Tejun Heo wrote: > > [...] > >>> Old IDE says it works for PATA. For SATA I can see it might need more >>> care and you might simply not be able to get the info. >> Old IDE often locks up the machine hard after timeouts. I'm all for > > Could you point me to some bugreports? > > I would like to know more about hosts/conditions for which it happens. It's jmicron and all on-board jmicrons I have show the same problem. Connect harddrrive to the controller and drive it via jmicron, hot plug unplug SATA drives continuously, after a while, jmicron says it lost interrupt and the machine locks up hard. Thanks. -- tejun