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Date: Sun, 28 Jan 2007 10:37:56 +0100
From: Ed Schouten <ed@fxq.nl>
To: "M. Warner Losh" <imp@bsdimp.com>
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Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org>, freebsd-stable@freebsd.org,
	pietro.cerutti@gmail.com, hselasky@c2i.net
Subject: Re: atacontrol kernel crash (atausb?)
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* M. Warner Losh <imp@bsdimp.com> wrote:
> In message: <200701241254.51900.hselasky@c2i.net>
>             Hans Petter Selasky <hselasky@c2i.net> writes:
> : Instead of having all these quirks, isn't it possible that the SCSI lay=
er can=20
> : auto-probe this?
>=20
> The short answer is no.  There's no reliable way to tell if a device
> supports a given scsi command, and some devices freak out (lock up)
> when sent one.

Well, in one of the scenario's there is. USB UFI devices never support
synchronize.

--=20
 Ed Schouten <ed@fxq.nl>
 WWW: http://g-rave.nl/

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