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Date: Mon, 10 Sep 2007 23:08:14 -0600
From: Scott Long <scottl@samsco.org>
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To: Hidetoshi Shimokawa <simokawa@FreeBSD.ORG>
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Cc: freebsd-scsi@FreeBSD.ORG, njl@FreeBSD.ORG, freebsd-current@FreeBSD.ORG
Subject: Re: Retirement of CAM_QUIRK_NOSERIAL
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Hidetoshi Shimokawa wrote:
> On 9/11/07, Scott Long <scottl@samsco.org> wrote:
>> All,
>>
>> The attached patch should make CAM behave properly with regard to
>> probing device serial numbers only when the device advertises that
>> it supports it.  It will hopefully eliminate the need for the
>> CAM_QUIRK_NOSERIAL quirk (one instance is left because of an unrelated
>> legacy problem that may or may not be possible to fix).  This should
>> especially benefit USB-UMASS devices, where the console output should
>> be less noisy.  It might even make more devices work out-of-the-box.
>> So please focus testing on USB, but I'd also ask that people test
>> the following devices as well as any firewire devices:
>>
>>   * Western Digital My Book 250GB (USB)
>>   * Maxtor Personal Storage 3000XT (Firewire)
> 
> As far as I tested a few months ago, the quirk for Maxtor 3000XT is
> not necessary
> any more, though I don't know why.
> 
> Please remove it.
> 

It looks like a crude hack was added to the sbp firewire driver to short
circuit exactly what my patch is trying to fix.

Scott