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Date:      Tue, 06 Nov 2007 08:54:01 -0700
From:      Scott Long <scottl@samsco.org>
To:        Jeremy Chadwick <koitsu@freebsd.org>
Cc:        d@delphij.net, freebsd-current@freebsd.org, "Aryeh M. Friedman" <aryeh.friedman@gmail.com>, Justin Hibbits <jrh29@alumni.cwru.edu>, "Sean C. Farley" <scf@freebsd.org>
Subject:   Re: [ANNOUNCEMENT] Wiki for discussing P35/IHC9(R)/SATA issues set up
Message-ID:  <47308E19.70507@samsco.org>
In-Reply-To: <20071106153509.GB91218@eos.sc1.parodius.com>
References:  <200711041119.45971.jrh29@alumni.cwru.edu>	<472DD231.9030501@gmail.com> <472E67CC.9040201@delphij.net>	<472E4FF0.3080801@gmail.com> <472EB211.7050001@delphij.net>	<472EEADF.1000008@gmail.com> <472F466E.8050405@delphij.net>	<472F5846.1020304@gmail.com> <472F5D9A.9050900@delphij.net>	<alpine.BSF.0.9999.0711051555550.45185@thor.farley.org> <20071106153509.GB91218@eos.sc1.parodius.com>

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Jeremy Chadwick wrote:
> On Tue, Nov 06, 2007 at 08:37:27AM -0600, Sean C. Farley wrote:
>> 1. Dell Optiplex 745:
>> ATA channel 2:
>>     Master:  ad4 <WDC WD800JD-75MSA3/10.01E04> Serial ATA II
>>     Slave:       no device present
> 
> Intel Q965 + ICH8, which does SATA300.  atacontrol output proves the
> disk is capable of SATA300 (re: "Serial ATA II"), but for some reason
> it's not.
> 

SATA II does not automatically mean 3GHz link speed.  It's just an 
umbrella term meaning that the drive implements one or more features
defined in SATA-2.  It's similar to the mis-representation in the USB
world of what USB 2.0 means.

> This one is indeed odd and needs investigation.
> 
>> 2. Asus P5K-E/WiFi:
>> ad10: 152627MB <Seagate ST3160827AS 3.42> at ata5-master SATA150
>> ad12: 152627MB <Seagate ST3160827AS 3.42> at ata6-master SATA150
>> ATA channel 5:
>>     Master: ad10 <ST3160827AS/3.42> Serial ATA v1.0
>>     Slave:       no device present
>> ATA channel 6:
>>     Master: ad12 <ST3160827AS/3.42> Serial ATA v1.0
>>     Slave:       no device present
> 
> Intel P35 + ICH9.  The chipset does SATA300 but your disks do not --
> they are Barracuda 7200.7 disks, which support SATA150 maximum.
> However, the motherboard also has a JMicron controller on it.
> 
> After looking at http://www.farley.org/freebsd/tmp/SATA/dmesg-asus.boot,
> it's easy to determine that your SATA150 disks are connected to the ICH9
> controller (which is being reported at ICH8 for some reason; maybe a
> chipset ID thing).  They are not connected to the JMicron, so the
> SATA150 limitation here is caused by the disks.
> 
> The SATA ATAPI errors you see are something I can't really help with,
> many see these kinds of messages on all sorts of hardware.
> 

There seems to be a lot of differing technical opinions on SATA-ATAPI 
support in FreeBSD.  I'll be digging more into it shortly, but probably
not in time for the 7.0 release.

Scott



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