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
next prev parent 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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