Re: [xhci] usb 4-1: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd

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On Fri, Mar 5, 2021 at 8:30 PM Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Fri, Mar 05, 2021 at 08:22:22PM +0100, Sedat Dilek wrote:
> > The quirks match:
> >
> > [Fri Mar  5 20:06:56 2021] usb-storage 4-1:1.0: USB Mass Storage device detected
> > [Fri Mar  5 20:06:56 2021] usb-storage 4-1:1.0: Quirks match for vid
> > 174c pid 55aa: 400000
> >
> > That seems not to be the trick:
> >
> > root# LC_ALL=C dmesg -T | grep 'usb 4-1:'
> > [Fri Mar  5 20:06:55 2021] usb 4-1: new SuperSpeed Gen 1 USB device
> > number 2 using xhci_hcd
> > [Fri Mar  5 20:06:55 2021] usb 4-1: New USB device found,
> > idVendor=174c, idProduct=55aa, bcdDevice= 1.00
> > [Fri Mar  5 20:06:55 2021] usb 4-1: New USB device strings: Mfr=2,
> > Product=3, SerialNumber=1
> > [Fri Mar  5 20:06:55 2021] usb 4-1: Product: MEDION HDDrive-n-GO
> > [Fri Mar  5 20:06:55 2021] usb 4-1: Manufacturer: MEDION
> > [Fri Mar  5 20:06:55 2021] usb 4-1: SerialNumber: 3180000000000000092C
> > [Fri Mar  5 20:06:57 2021] usb 4-1: reset SuperSpeed Gen 1 USB device
> > number 2 using xhci_hcd
>
> Okay, that indicates the ATA commands are being sent not by the kernel
> but by some program.  I'm not sure how you can easily find out which
> program; probably the best thing to do is turn them off one by one until
> you find the one responsible.
>

I can hardly imagine which user-space tools other than powertop can
interfere here.
Any ideas?

I will remove or better comment the quirks in
/etc/modules-load.d/usb-storage.conf for now.

- Sedat -



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