Subject: Re: maxtor sata quirk
To: Greg Troxel <gdt@ir.bbn.com>
From: David Laight <david@l8s.co.uk>
List: tech-kern
Date: 03/05/2007 21:02:59
On Mon, Mar 05, 2007 at 03:55:25PM -0500, Greg Troxel wrote:
> >
> > if someone plans to make one and wants me to test, let me know
> > asap, since I'll be returning the drives shortly.
> 
> Note that a range was tried, and that the failing bn was 268435455.
> So, this looks like the same 0xfffffff problem as Seagate.
> 
> Try bs=1b or bs=512 so that with any luck dd reads only 1 block rather
> than 64k.  I don't understand why it isn't following the documented
> default of 12 bytes; I wonder if it's "optimizing" the reads.

Is it about time we either:

1) Beat up the disk manufacturers and get the disk firmwares fixed
or
2) Automatically retry these transfers as LBA48 ones

	David

-- 
David Laight: david@l8s.co.uk