On Sat, Oct 25, 2008 at 03:11:33PM -0500, James Bottomley wrote:
quoted text
> On Sat, 2008-10-25 at 15:50 -0400, Alan Stern wrote:
> > On Sat, 25 Oct 2008, Rafael J. Wysocki wrote:
> >=20
> > > [Adding CCs]
> > >=20
> > > On Wednesday, 22 of October 2008, Luciano Rocha wrote:
> > > >=20
> > > > Hello,
> > > >=20
> > > > An external HDD, usb-encased, works fine under 2.6.26.5, but under
> > > > 2.6.27.2 I get hundreds of errors per second, of 'No Sense [current=
]'.
quoted text
> >=20
> > You can use usbmon to capture the details of what happens when you plug
> > in the drive.  Instructions are in the kernel source file
> > Documentation/usb/usbmon.txt.
>=20
> Try reversing this patch (apply with patch -p1 -R)
>=20
> James
>=20
> ---
>=20
> commit 10dab22664914505dcb804d9ad09cad6bc94d349
> Author: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
> Date:   Thu Sep 11 21:39:36 2008 -0400
>=20
>     [SCSI] sd: Fix handling of NO_SENSE check condition
>    =20
>     The current handling of NO_SENSE check condition is the same as
>     RECOVERED_ERROR, and assumes that in both cases, the I/O was fully
>     transferred.

<snip>

2.6.27.4 comes with it reverted. But I still get the same error.
Reapplied it as one more test, with the same error.

Regards,
Luciano Rocha

--=20
Luciano Rocha <luciano@eurotux.com>
Eurotux Inform=E1tica, S.A. <http://www.eurotux.com/>