(In reply to Eric M from comment #15) > Same issue on fedora 25 on XPS 15 9560. Running kernel 4.8.6-300.fc25.x86_64 > > Disk: seagate 1TEAPF-500 (4TB drive) > > Other usb drives spin down as expected.
kernel 4.10.x resolves the issue for me.
(In reply to Eric M from comment #15) fc25.x86_ 64
> Same issue on fedora 25 on XPS 15 9560. Running kernel 4.8.6-300.
>
> Disk: seagate 1TEAPF-500 (4TB drive)
>
> Other usb drives spin down as expected.
kernel 4.10.x resolves the issue for me.