On 01/09/2017 11:08 AM, Greg Kroah-Hartman wrote:
> On Mon, Jan 09, 2017 at 10:51:34AM +0100, Patrice Chotard wrote:
>> Hi Mathias, Greg
>>
>> I am working on ARM STi platform, since v4.10-rc1, when booting B2260 or 
>> B2120 STi boards platform 
>> with nothing plugged on USB3 connector, i observed the following kernel logs 
>> :
>>
>> ....
>> [  801.953836] usb usb6-port1: Cannot enable. Maybe the USB cable is bad?
>> [  801.960455] xhci-hcd xhci-hcd.0.auto: Cannot set link state.
>> [  801.966611] usb usb6-port1: cannot disable (err = -32)
>> [  806.083772] usb usb6-port1: Cannot enable. Maybe the USB cable is bad?
>> [  806.090370] xhci-hcd xhci-hcd.0.auto: Cannot set link state.
>> [  806.096494] usb usb6-port1: cannot disable (err = -32)
>> [  810.208766] usb usb6-port1: Cannot enable. Maybe the USB cable is bad?
>> [  810.215374] xhci-hcd xhci-hcd.0.auto: Cannot set link state.
>> [  810.221478] usb usb6-port1: cannot disable (err = -32)
>> [  814.333767] usb usb6-port1: Cannot enable. Maybe the USB cable is bad?
>> [  814.340364] xhci-hcd xhci-hcd.0.auto: Cannot set link state.
>> .....
>>
>> Another interesting thing is even if i plugged a device (a mass storage 
>> device in my case) on the USB3 connector, 
>> the above logs continue to appear.
>>
>> This is due to commit 37be66767e3ca "usb: hub: Fix auto-remount of safely 
>> removed or ejected USB-3 devices".
>>
>> I don't know if STi platforms are the only impacted by this issue.
>>
>> On v4.9 everything was ok.
> 
> Can you try 4.10-rc3?  A bunch of xhci fixes just landed there.

Hi Greg

I already tested on 4.10-rc3, i got the same issue

> 
> If that doesn't work, can you bisect between 4.9 and 4.10-rc1 to find
> the offending commit?

I indicated above the offending commit : 
37be66767e3ca "usb: hub: Fix auto-remount of safely removed or ejected USB-3 
devices"

Thanks

> 
> thanks,
> 
> greg k-h
> 

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