From: Joseph Salisbury <joseph.salisbury@canonical.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: rtatiya@codeaurora.org,
Robert Ancell <robert.ancell@canonical.com>,
Alan Stern <stern@rowland.harvard.edu>,
"mathias.nyman@linux.intel.com" <mathias.nyman@linux.intel.com>,
chasemetzger15@gmail.com, baolu.lu@linux.intel.com,
oneukum@suse.com, kborer@gmail.com, jun.li@freescale.com,
USB list <linux-usb@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [v4.2-rc1 Regression] usb: Enable LPM for USB 2.01+ full-speed devices
Date: Tue, 28 Jun 2016 11:09:38 -0400 [thread overview]
Message-ID: <57729332.8040104@canonical.com> (raw)
In-Reply-To: <576D2255.5000703@canonical.com>
On 06/24/2016 08:06 AM, Joseph Salisbury wrote:
> On 06/22/2016 12:14 PM, Greg KH wrote:
>> On Wed, Jun 22, 2016 at 11:38:43AM -0400, Joseph Salisbury wrote:
>>> Hi Rupesh,
>>>
>>> A kernel bug report was opened against Ubuntu [0]. After a kernel
>>> bisect, it was found that reverting the following commit resolved this bug:
>>>
>>> commit a8425292816ceaa8c49e29d2114e85d85a73e080
>>> Author: Rupesh Tatiya <rtatiya@codeaurora.org>
>>> Date: Tue Apr 14 16:36:55 2015 +0530
>>>
>>> usb: Enable LPM for USB 2.01+ full-speed devices
>>>
>>>
>>> The regression was introduced as of v4.2-rc1.
>>>
>>> I was hoping to get your feedback, since you are the patch author. Do
>>> you think gathering any additional data will help diagnose this issue,
>>> or would it be best to submit a revert request?
>> Does the problem still happen with 4.7-rc4 or even 4.6?
>>
>> 4.2 is pretty old and obsolete you know :)
>>
>> thanks,
>>
>> greg k-h
> The regression does exist in 4.6-rc2. I'll have the latest mainline
> 4.7-rc4 kernel tested.
The 4.7-rc4 kernel still exhibits the bug.
next prev parent reply other threads:[~2016-06-28 15:09 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-22 15:38 [v4.2-rc1 Regression] usb: Enable LPM for USB 2.01+ full-speed devices Joseph Salisbury
2016-06-22 16:14 ` Greg KH
2016-06-24 12:06 ` Joseph Salisbury
2016-06-28 15:09 ` Joseph Salisbury [this message]
2016-06-28 15:40 ` Alan Stern
2016-06-28 15:44 ` Joseph Salisbury
2016-07-06 20:27 ` Joseph Salisbury
2016-06-22 16:30 ` Alan Stern
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