Messages in this thread | | | From | Bjørn Mork <> | Subject | Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function | Date | Thu, 10 Nov 2016 12:09:58 +0100 |
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Kai-Heng Feng <kai.heng.feng@canonical.com> writes: > On Wed, Nov 9, 2016 at 8:32 PM, Bjørn Mork <bjorn@mork.no> wrote: >> Oliver Neukum <oneukum@suse.com> writes: >> >>> On Tue, 2016-11-08 at 13:44 -0500, Alan Stern wrote: >>> >>>> These problems could very well be caused by running at SuperSpeed >>>> (USB-3) instead of high speed (USB-2). > > Yes, it's running at SuperSpeed, on a Kabylake laptop. > > It does not have this issue on a Broadwell laptop, also running at SuperSpeed.
Then I must join Oliver, being very surprised by where in the stack you attempt to fix the issue. What you write above indicates a problem in pci bridge or usb host controller, doesn't it?
Bjørn
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