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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: Tejun Heo <htejun@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?
Date: Tue, 22 Jan 2008 02:31:22 +0100	[thread overview]
Message-ID: <200801220231.22609.bzolnier@gmail.com> (raw)
In-Reply-To: <4794D020.4060204@gmail.com>

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.

> gathering more info but benefit vs. risk equation just doesn't look good
> here.  Why take risk for a rare device which forgets to raise IRQ on
> media error?  If such behavior is wide spread among PATA drives && we
> can verify that TF register access after timeout is safe for PATA
> controllers, sure, but currently we aren't sure about either.

Thanks,
Bart

  parent reply	other threads:[~2008-01-22  1:18 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-13 22:19 ATA device reset, shoud I be concerned? Georgi Chulkov
2008-01-15 10:54 ` Andrew Morton
2008-01-15 11:35   ` Alan Cox
2008-01-21  7:56     ` Tejun Heo
2008-01-21 13:02       ` Alan Cox
2008-01-21 13:14         ` Tejun Heo
2008-01-21 14:14           ` Alan Cox
2008-01-21 14:31             ` Tejun Heo
2008-01-21 14:33               ` Tejun Heo
2008-01-21 16:44                 ` Alan Cox
2009-08-27  2:40                 ` Robert Hancock
2009-08-27  3:07                   ` Jeff Garzik
2009-08-27  8:37                   ` Alan Cox
2008-01-21 16:47               ` Alan Cox
2008-01-21 17:02                 ` Tejun Heo
2008-01-21 17:27                   ` Alan Cox
2008-01-22  0:31                     ` Tejun Heo
2008-01-22  1:31                   ` Bartlomiej Zolnierkiewicz [this message]
2008-01-22  1:36                     ` Tejun Heo
2008-01-22  2:08                       ` Tejun Heo
2008-01-22  1:39                     ` Alan Cox
2008-01-22 20:29   ` Georgi Chulkov

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