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SubjectRe: usb hdd problems with 2.6.27.2
On Sat, Oct 25, 2008 at 03:11:33PM -0500, James Bottomley wrote:
> On Sat, 2008-10-25 at 15:50 -0400, Alan Stern wrote:
> > On Sat, 25 Oct 2008, Rafael J. Wysocki wrote:
> >
> > > [Adding CCs]
> > >
> > > On Wednesday, 22 of October 2008, Luciano Rocha wrote:
> > > >
> > > > Hello,
> > > >
> > > > 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]'.
> >
> > 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.
>
> Try reversing this patch (apply with patch -p1 -R)
>
> James
>
> ---
>
> commit 10dab22664914505dcb804d9ad09cad6bc94d349
> Author: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
> Date: Thu Sep 11 21:39:36 2008 -0400
>
> [SCSI] sd: Fix handling of NO_SENSE check condition
>
> 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

--
Luciano Rocha <luciano@eurotux.com>
Eurotux Informática, S.A. <http://www.eurotux.com/>
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