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

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Date:	Sat, 29 Sep 2012 15:02:14 +0200
From:	Gabor Takacs <gbrtakacs@...il.com>
To:	Sarah Sharp <sarah.a.sharp@...ux.intel.com>
CC:	Alan Stern <stern@...land.harvard.edu>,
	Dan Carpenter <dan.carpenter@...cle.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)

Dear Sarah,

I know this is not a very constructive reply, but these days I am so
busy that I just cannot find the time apply kernel patches :(

I would love to do that, indeed! In the good old days, I would even hack
the UDMI module in the kernel when my new notebook's
drive interface was not recognized, but I am afraid I must resign myself
to missing this entertainment now and in the
foreseeable future.

I posted this bug because I thought if kernel 3.6 goes out with it, that
would be a very bad impression for us, mortal
end-users.

Best wishes,

Gabor

On 09/28/2012 11:47 PM, Sarah Sharp wrote:
> 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


-- 
Gabor Takacs

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