Re: MIDI keyboard doesn't work when USB 3.0 controller is enabled in BIOS

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I have tried kernels 4.8.0 and 4.9.0 from Ubuntu repositories.
Probably I don't have latest BIOS.

BR,
Karmo

2017-01-02 15:20 GMT+02:00 Greg KH <greg@xxxxxxxxx>:
> On Mon, Jan 02, 2017 at 11:35:55AM +0200, Karmo Rosental wrote:
>> Hello,
>>
>> After switching to a newer laptop my USB MIDI keyboard didn't work
>> anymore. Other USB devices that I have (memory stick and mouse) work
>> well.
>>
>> 2 out of 3 USB ports couldn't keep keyboard turned on (keyboard turns
>> on for a second and then turns off). Only one USB port was able to
>> keep keyboard powered correctly. When playing half of the midi events
>> were not recorded due to some kind of lag. For example "note on"
>> skipped and nothing was played or "note off" skipped and note keeped
>> playing after releasing the key.
>>
>> I found out that when I disable USB 3.0 controller in BIOS then my
>> MIDI USB keyboard works perfectly in any of the USB port that my Dell
>> Latitude E7440 has.
>>
>> System log when connected to USB port that can't turn keyboard on:
>>
>> 02.01.17 0:41 karmo-Latitude-E7440 kernel [   40.375963] usb 2-2: new
>> full-speed USB device number 3 using xhci_hcd
>> 02.01.17 0:41 karmo-Latitude-E7440 kernel [   40.531185] usb 2-2:
>> Device not responding to setup address.
>> 02.01.17 0:41 karmo-Latitude-E7440 kernel [   40.738066] usb 2-2:
>> Device not responding to setup address.
>> 02.01.17 0:41 karmo-Latitude-E7440 kernel [   40.945350] usb 2-2:
>> device not accepting address 3, error -71
>> 02.01.17 0:41 karmo-Latitude-E7440 kernel [   41.100182] usb 2-2: new
>> full-speed USB device number 4 using xhci_hcd
>> 02.01.17 0:41 karmo-Latitude-E7440 kernel [   41.255220] usb 2-2:
>> device descriptor read/64, error -71
>> 02.01.17 0:41 karmo-Latitude-E7440 kernel [   41.513405] usb 2-2:
>> device descriptor read/64, error -71
>> 02.01.17 0:41 karmo-Latitude-E7440 kernel [   41.774971] usb 2-2: new
>> full-speed USB device number 5 using xhci_hcd
>> 02.01.17 0:41 karmo-Latitude-E7440 kernel [   41.775242] usb 2-2:
>> Device not responding to setup address.
>> 02.01.17 0:41 karmo-Latitude-E7440 kernel [   41.977570] usb 2-2:
>> Device not responding to setup address.
>> 02.01.17 0:41 karmo-Latitude-E7440 kernel [   42.184720] usb 2-2:
>> device not accepting address 5, error -71
>> 02.01.17 0:41 karmo-Latitude-E7440 kernel [   42.339716] usb 2-2: new
>> full-speed USB device number 6 using xhci_hcd
>> 02.01.17 0:41 karmo-Latitude-E7440 kernel [   42.351882] usb 2-2:
>> device descriptor read/8, error -71
>> 02.01.17 0:41 karmo-Latitude-E7440 kernel [   42.467194] usb 2-2:
>> device descriptor read/8, error -71
>> 02.01.17 0:41 karmo-Latitude-E7440 kernel [   42.574581] usb
>> usb2-port2: unable to enumerate USB device
>>
>> System log when connected to only USB port that can turn keyboard on
>> but skips half of the events:
>>
>> 02.01.17 0:44 karmo-Latitude-E7440 kernel [  225.570976] usb 2-1: new
>> full-speed USB device number 8 using xhci_hcd
>> 02.01.17 0:44 karmo-Latitude-E7440 kernel [  225.740251] usb 2-1: New
>> USB device found, idVendor=1235, idProduct=001b
>> 02.01.17 0:44 karmo-Latitude-E7440 kernel [  225.740253] usb 2-1: New
>> USB device strings: Mfr=1, Product=2, SerialNumber=0
>> 02.01.17 0:44 karmo-Latitude-E7440 kernel [  225.740254] usb 2-1:
>> Product: Impulse
>> 02.01.17 0:44 karmo-Latitude-E7440 kernel [  225.740739] usb 2-1:
>> can't set config #1, error -71
>> 02.01.17 0:44 karmo-Latitude-E7440 mtp-probe checking bus 2, device 8:
>> "/sys/devices/pci0000:00/0000:00:14.0/usb2/2-1"
>> 02.01.17 0:44 karmo-Latitude-E7440 mtp-probe bus: 2, device: 8 was not
>> an MTP device
>
> What kernel version is this?  And are you sure you have the latest BIOS
> update for your Dell?  There seems to have been some fixes in this area
> recently.
>
> thanks,
>
> greg k-h
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