linux-kernel - Re: LIBATA SCSI command validation changed in 2.6.24

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Message-ID: <4787E114.2030301@garzik.org>
Date:	Fri, 11 Jan 2008 16:35:16 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Chuck Ebbert <cebbert@...hat.com>
CC:	linux-kernel <linux-kernel@...r.kernel.org>,
	IDE/ATA development list <linux-ide@...r.kernel.org>
Subject: Re: LIBATA SCSI command validation changed in 2.6.24

Chuck Ebbert wrote:
> commit 607126c2a21cd6e9bb807fdd415c1a992f7b9009 changed command validation
> to allow short commands in 16-byte CDBs, but it also made checking more
> strict. Before the change, a 10-byte SG_IO command could have its length set
> to 9 and still work. Now it fails. Not sure if this is a bug, but it has
> caused at least one application to fail that used to work (qpxtool.)
> 
> [https://bugzilla.redhat.com/show_bug.cgi?id=428281]

Can you get us an example CDB?  Its unclear if the hexdump in the bug 
report is a returned mode page or the CDB or what...?

	Jeff




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