Date: Sat, 10 Jan 2009 15:29:42 +0000
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>,
       Christian Borntraeger <borntraeger@de.ibm.com>,
       linux-ide@vger.kernel.org, Jeff Garzik <jgarzik@redhat.com>,
       lkml <linux-kernel@vger.kernel.org>
Subject: Re: todays git: WARNING: at drivers/ata/libata-sff.c:1017
 ata_sff_hsm_move+0x45e/0x750()
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> > Nope.. you can't do that with ATA block transfers - it isn't the same as
> > SCSI
> 
> Well, in that case you'll have to do byte PIO for all ATAPI devices,
> because this is an expected device to host transfer length.

Not possible there is no such thing as byte PIO in ATAPI.

See my other mail - it appears to be a long standing bug in
__atapi_pio_sector rather than a corrupt sg list as I first thought.
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