From: James Bottomley <James.Bottomley@SteelEye.com>
To: Jens Axboe <axboe@suse.de>
Cc: Alan Stern <stern@rowland.harvard.edu>,
Patrick Mansfield <patmans@us.ibm.com>,
SCSI development list <linux-scsi@vger.kernel.org>
Subject: Re: Device flags: use_10_for_rw and use_10_for_ms
Date: Wed, 30 Nov 2005 08:46:35 -0600 [thread overview]
Message-ID: <1133361995.3312.0.camel@mulgrave> (raw)
In-Reply-To: <20051130080854.GD15804@suse.de>
On Wed, 2005-11-30 at 09:08 +0100, Jens Axboe wrote:
> Oh well, so much for expecting than even the most basic SCSI behaviour
> is always implemented correctly. A device must only return
> 0x05/0x20/0x00 for an illegal opcode. It's a little suspicious I'd say,
> are you sure it isn't something else affecting this? Even though there
> are crappy devices out there, this seems a little too odd to me.
And anyway, just because it doesn't actually work in the failing case
doesn't mean this isn't a good patch ... it's certainly unsafe to switch
back to 6 byte commands without checking for the correct illegal opcode
sense, so we should put it in anyway.
James
next prev parent reply other threads:[~2005-11-30 14:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-28 21:43 Device flags: use_10_for_rw and use_10_for_ms Alan Stern
2005-11-29 20:03 ` Jens Axboe
2005-11-29 21:23 ` Alan Stern
2005-11-29 22:48 ` Patrick Mansfield
2005-11-30 15:46 ` Alan Stern
2005-11-30 8:08 ` Jens Axboe
2005-11-30 14:46 ` James Bottomley [this message]
2005-11-30 14:51 ` Jens Axboe
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