linux-kernel - Re: PROBLEM: kernel 3.6.rc6 bug report (usb 3.0 external hard drive problem)

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Message-ID: <20120928214709.GA7260@xanatos>
Date:	Fri, 28 Sep 2012 14:47:09 -0700
From:	Sarah Sharp <sarah.a.sharp@...ux.intel.com>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Dan Carpenter <dan.carpenter@...cle.com>,
	Gabor Takacs <gbrtakacs@...il.com>,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: PROBLEM: kernel 3.6.rc6 bug report (usb 3.0 external hard drive
 problem)

On Fri, Sep 28, 2012 at 10:27:43AM -0400, Alan Stern wrote:
> On Fri, 28 Sep 2012, Dan Carpenter wrote:
> 
> > I've filed a bug for this.
> > 
> > https://bugzilla.kernel.org/show_bug.cgi?id=48061
> > 
> > Probably the other information which would be useful is the output
> > from lsusb.  Anyway, I've added the USB list to the CC.
> > 
> > regards,
> > dan carpenter
> > 
> > On Sun, Sep 23, 2012 at 05:33:44PM +0200, Gabor Takacs wrote:
> > > Bug report for kernel version 3.6.rc6
> > > 
> > > Content of message:
> > > 
> > > - One-line description
> > > - Full description
> > > - Keywords
> > > - CPU info
> > > - Modules info
> > > - Kernel version
> > > - Loaded driver and hardware information
> > > - PCI information
> > > - SCSI information
> > > 
> > > One-line description: Western Digital My Passport USB 3.0 hard drive not
> > > handled by kernel
> > > 
> > > Full description: under 3.6.rc6 kernel on an Asus Zenbook Prime UX21A,
> > > when plugging in my
> > > Western Digital My Passport USB 3.0 hard drive, the system does not
> > > mount it. It worked with
> > > previous (3.4.x) kernels.
> 
> If this failure is reliable then git bisection would be a good way to 
> pin down the source of the problem.

This looks awfully like Don Zickus' issue with his WD hard drive:

http://marc.info/?l=linux-usb&m=134886294107752&w=2

But LPM was added in 3.4, so I don't know why 3.4.x kernels worked.
Gabor, does the patch in that mail fix your issue with the WD drive?

Sarah Sharp
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