On Thu, Apr 26, 2018 at 10:32:21PM +0200, Hans de Goede wrote: > Richard Jones has reported that using med_power_with_dipm on a T450s > with a Sandisk SD7UB3Q256G1001 SSD (firmware version X2180501) is > causing the machine to hang. > > Switching the LPM to max_performance fixes this, so it seems that > this Sandisk SSD does not handle LPM well. > > Note in the past there have been bug-reports about the following > Sandisk models not working with min_power, so we may need to extend > the quirk list in the future: name - firmware > Sandisk SD6SB2M512G1022I - X210400 > Sandisk SD6PP4M-256G-1006 - A200906 > > Cc: stable@xxxxxxxxxxxxxxx > Cc: Richard W.M. Jones <rjones@xxxxxxxxxx> > Reported-and-tested-by: Richard W.M. Jones <rjones@xxxxxxxxxx> > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> Applied to libata/for-4.17-fixes. Thanks. -- tejun