linux-kernel - Re: 2.6.30-rc4 Weird messages with ext4

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Date:	Sun, 03 May 2009 20:45:51 +0000
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	Robert Hancock <hancockrwd@...il.com>
Cc:	Panagiotis Papadakos <papadako@....uoc.gr>,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	linux-scsi <linux-scsi@...r.kernel.org>
Subject: Re: 2.6.30-rc4 Weird messages with ext4

On Sun, 2009-05-03 at 14:39 -0600, Robert Hancock wrote:
> Panagiotis Papadakos wrote:
> > Hi.
> > 
> > When I connect my ext4 formatted Seagate 1.5 TB USB box,
> > I get the messages of the style:
> > 
> > [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE           
> > [sdb] Sense Key : Illegal Request [current]                     
> > [sdb] Add. Sense: Logical block address out of range 
> > 
> > By the way I am not getting such messages with 2.6.29.
> > 
> > Anyone knows what might be wrong?
> 
> Sounds like something's messing up with the disk size detection, as it 
> gets detected as a 2TB drive. CCing linux-usb and linux-scsi.

There was a screw up in the READ CAPACITY 16 rewrite.  The fix is here:

commit 8f76d151b010980d137bfdc736d1d8f64b489165
Author: Dave Hansen <dave@...ux.vnet.ibm.com>
Date:   Tue Apr 21 16:43:27 2009 -0700

    [SCSI] fix sign extension with 1.5TB usb-storage LBD=y
 
It's just gone upstream.

James


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