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    SubjectRe: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function
    Date
    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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