From: Matthias Andree <ma@dt.e-technik.uni-dortmund.de>
To: Peter Missel <peter.missel@onlinehome.de>
Cc: Matthew Wilcox <matthew@wil.cx>, linux-scsi@vger.kernel.org
Subject: Re: SYM8xx_2 driver ignores certain EEPROM settings
Date: Sat, 01 Jan 2005 23:16:43 +0100 [thread overview]
Message-ID: <m3pt0okd6c.fsf@merlin.emma.line.org> (raw)
In-Reply-To: <200412311620.44488.peter.missel@onlinehome.de> (Peter Missel's message of "Fri, 31 Dec 2004 16:20:44 +0100")
Peter Missel <peter.missel@onlinehome.de> writes:
> I'm fine with the additional safety from the Domain Validation. Nonetheless,
> the driver shouldn't validate speeds and/or transfer widths that have been
> forbidden by the user.
> Another example (which I can't verify right now) is negotiation width.
> External HDD enclosures might be connected through a Narrow cable but
> actually contain a Wide drive. That'll be one thing where the user would use
> the SCSI BIOS to limit the particular unit to Narrow. This however would
> possibly be caught by the DM failing.
No external enclosure necessary. There are also wide chips with only
narrow connectors, for instance, on the Tekram DC-310U, DC-390U boards -
they use a SYM53C860 or SYM53C875, a wide capable chip, but provide only
narrow (50-pin) connectors. I last tried some 2.4.X kernel on such a
setup, and haven't used the DC-390U in a long time (I replaced it by a
DC-390F) - so I cannot test at this time.
--
Matthias Andree
next prev parent reply other threads:[~2005-01-01 22:16 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200412311343.42484.peter.missel@onlinehome.de>
2004-12-31 14:53 ` SYM8xx_2 driver ignores certain EEPROM settings Matthew Wilcox
2004-12-31 15:01 ` James Bottomley
2004-12-31 15:20 ` Peter Missel
2005-01-01 22:16 ` Matthias Andree [this message]
2005-01-02 0:28 ` Peter Missel
2005-01-02 0:40 ` Matthias Andree
2005-01-02 1:03 ` Matthew Wilcox
2005-01-02 9:58 ` Peter Missel
2005-02-26 19:34 ` Peter Missel
2005-04-08 22:57 ` Peter Missel
2005-04-09 14:02 ` Matthew Wilcox
2005-04-09 21:44 ` Peter Missel
2005-04-18 17:55 ` Peter Missel
2005-05-04 21:47 ` SYM8xx_2 sync speed negotiation Peter Missel
2005-06-18 21:52 ` Peter Missel
2005-06-19 10:45 ` endless loop problem with SYM8xx_2: unexpected disconnect Christian Werner
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