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From: Tejun Heo <htejun@gmail.com>
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?
Date: Tue, 22 Jan 2008 11:08:24 +0900	[thread overview]
Message-ID: <47955018.7000901@gmail.com> (raw)
In-Reply-To: <4795488E.30706@gmail.com>

Tejun Heo wrote:
> 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.

BTW, those hot plug/unplugs don't have any direct relationship with the
JMB controller.  It's some interference or power issue, I guess.  Hot
plugging unrelated drives somehow locks up the jmicron driver.  :-(

-- 
tejun

  reply	other threads:[~2008-01-22  2:08 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
2008-01-22  1:36                     ` Tejun Heo
2008-01-22  2:08                       ` Tejun Heo [this message]
2008-01-22  1:39                     ` Alan Cox
2008-01-22 20:29   ` Georgi Chulkov

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