From: Martin Michlmayr <tbm@cyrius.com>
To: saeed bishara <saeed.bishara@gmail.com>
Cc: Frans Pop <elendil@planet.nl>, Mark Lord <liml@rtr.ca>,
linux-arm@vger.kernel.org, linux-ide@vger.kernel.org,
Saeed Bishara <saeed@marvell.com>, Nicolas Pitre <nico@cam.org>,
Lennert Buytenhek <buytenh@wantstofly.org>
Subject: Re: [RFC][PATCH] sata_mv: harddisk activity led no longer responsive on QNAP TS-109
Date: Sun, 1 Mar 2009 08:59:56 +0100 [thread overview]
Message-ID: <20090301075956.GA28039@deprecation.cyrius.com> (raw)
In-Reply-To: <c70ff3ad0902240133o7558beeay563c89defd35e575@mail.gmail.com>
* saeed bishara <saeed.bishara@gmail.com> [2009-02-24 11:33]:
> What I think is that this issue is seen with the specific disk that
> you have, the chip blinks the LED depending on the BUSY bit status,
> and I suspect that with the disk you have does clear that bit
> immediately after receiving the command FIS, so the LED will be off,
> though the command is not completed yet, and this makes the led
> responsiveness differ that in NCQ-disabled mode.
The LED issue was reported by two people on the QNAP forum the other
day. I asked what disks they had and one has a WDC WD7500AACS-00D6B0
whereas the other one has a WDC WD10EADS-00L5B1. Do you also use a
WDC disk, Frans?
References:
http://forum.qnap.com/viewtopic.php?f=147&t=1344&start=220#p55925
http://forum.qnap.com/viewtopic.php?f=147&t=1344&start=220#p56027
http://forum.qnap.com/viewtopic.php?f=147&t=1344&start=230#p56351
--
Martin Michlmayr
http://www.cyrius.com/
next prev parent reply other threads:[~2009-03-01 8:00 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-26 9:24 [regression] sata_mv: harddisk activity led no longer responsive on QNAP TS-109 Frans Pop
2008-08-26 10:25 ` Frans Pop
2009-01-24 14:57 ` Mark Lord
2009-02-24 8:33 ` [RFC][PATCH] " Frans Pop
2009-02-24 9:33 ` saeed bishara
2009-03-01 7:59 ` Martin Michlmayr [this message]
2009-03-01 12:44 ` Frans Pop
2009-03-10 11:36 ` [RFC][PATCH] sata-mv: add module parameter msq_blink_led to enable quirk for SOC Frans Pop
2009-03-10 15:06 ` Mark Lord
2009-03-10 16:28 ` Martin Michlmayr
2009-03-10 16:40 ` Mark Lord
2009-03-10 16:47 ` Frans Pop
2009-03-10 17:09 ` Frans Pop
2008-08-26 14:03 ` [regression] sata_mv: harddisk activity led no longer responsive on QNAP TS-109 Mark Lord
2008-08-27 14:56 ` Martin Michlmayr
2008-08-27 17:06 ` saeed bishara
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