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Date:      Thu, 26 Sep 2002 08:42:11 -0700 (PDT)
From:      =?ISO-8859-1?Q?Mikko_Ty=F6l=E4j=E4rvi?= <mbsd@pacbell.net>
To:        Bruce M Simpson <bms@spc.org>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: IBM ATA Deskstars *without* tagged queueing?
Message-ID:  <20020926083653.T17757-100000@atlas.home>
In-Reply-To: <20020926102102.GC26352@spc.org>

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On Thu, 26 Sep 2002, Bruce M Simpson wrote:

> I bought a Deskstar 120GXP that *doesn't* appear to do tagged queueing. I
> was wondering if anyone else had encountered such a thing. It's somewhat
> annoying; generally I buy IBM drives for precisely the reason that they're
> meant to support tagging.
>
> The device model ID is IC35L040AVVN07-0. There's more information about
> these OEM drives here:
> http://www.digit-life.com/articles/digests/hddreview-0602-ibm.html

I've got the 60GB model x 2.  Since 4.6 the system won't even boot
with tagging enabled >:-(

> The kernel reports it as (note no 'tagging' keyword):-
> atapci0: <Intel ICH ATA66 controller> port 0xf000-0xf00f at device 31.1 on pci0
> ad0: 39266MB <IC35L040AVVN07-0> [79780/16/63] at ata0-master UDMA66

Do you have hw.ata.tags="1" in /boot/loader.conf?  It is "0" by
default (check with "sysctl hw.ata.tags"). See ata(4).

  $.02,
  /Mikko




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