From: Robert Hancock <hancockr@shaw.ca>
To: Patrick Ale <patrick.ale@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: libsata doesn't like bus without master
Date: Sun, 11 Feb 2007 11:39:19 -0600 [thread overview]
Message-ID: <45CF54C7.7050400@shaw.ca> (raw)
In-Reply-To: <fa.kM2jAt0lhoofVm0+pIia0W2vzoo@ifi.uio.no>
Patrick Ale wrote:
> Something unrelated to the tests I am doing.
>
> I found out that the libsata driver doesn't really cope or likes the
> idea that you might have a controller without a master drive
> configured.
>
> In this case on ATA2 I have a CDROM drive, connected as slave.
> ATA: abnormal status 0x7F on port 0x177
> ATA: abnormal status 0x7F on port 0x177
> ata2.01: ATAPI, max UDMA/66
> ata2.01: configured for UDMA/66
Having a single drive on the channel configured as slave is not really a
legal configuration. (I believe the ATA standards say that it's
something that a host controller/driver/OS is allowed to support, but it
is not required to.) A single drive should always be set to master (and
connected to the end of the cable and not the middle, by the way).
--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/
next parent reply other threads:[~2007-02-11 17:39 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.kM2jAt0lhoofVm0+pIia0W2vzoo@ifi.uio.no>
2007-02-11 17:39 ` Robert Hancock [this message]
2007-02-11 17:52 ` libsata doesn't like bus without master Patrick Ale
2007-02-13 16:05 ` Mark Lord
2007-02-21 20:41 Vincent Legoll
2007-02-21 20:47 ` Vincent Legoll
2007-02-21 21:01 ` Patrick Ale
2007-02-21 21:04 ` Patrick Ale
2007-02-21 22:07 ` Vincent Legoll
2007-02-22 8:12 ` Paul Rolland
2007-02-22 8:38 ` Patrick Ale
[not found] <fa.OcrmlkSFqen95BGHXWJdR6KGswQ@ifi.uio.no>
[not found] ` <fa.mIV6AQH7D5yiY39XNxbu0M2/1Kc@ifi.uio.no>
[not found] ` <fa.3Ti1gtH2JY4DWsqr3J1loC7lcc0@ifi.uio.no>
2007-02-11 18:34 ` Robert Hancock
2007-02-11 18:41 ` Patrick Ale
2007-02-11 19:58 ` Henrique de Moraes Holschuh
2007-02-11 20:09 ` Patrick Ale
-- strict thread matches above, loose matches on Subject: below --
2007-02-11 10:27 Patrick Ale
2007-02-13 20:17 ` Tejun Heo
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