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Message-ID: <4795488E.30706@gmail.com>
Date: Tue, 22 Jan 2008 10:36:14 +0900
From: Tejun Heo <htejun@gmail.com>
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To: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
CC: Alan Cox <alan@lxorguk.ukuu.org.uk>,
       Andrew Morton <akpm@linux-foundation.org>,
       Georgi Chulkov <g.chulkov@jacobs-university.de>,
       linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
       Mark Lord <liml@rtr.ca>
Subject: Re: ATA device reset, shoud I be concerned?
References: <200801140019.20668.g.chulkov@jacobs-university.de> <20080121164744.2f7d0ed1@lxorguk.ukuu.org.uk> <4794D020.4060204@gmail.com> <200801220231.22609.bzolnier@gmail.com>
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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