Messages in this thread | | | Date | Wed, 22 Jun 2016 12:30:00 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [v4.2-rc1 Regression] usb: Enable LPM for USB 2.01+ full-speed devices |
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On Wed, 22 Jun 2016, 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?
Another option is to add a NO_LPM quirks entry for the troublesome device.
Alan Stern
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