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. Alan Stern
