On Fri, Oct 26, 2018 at 10:48 AM Diego Viola <[email protected]> wrote:
>
> Hi Hans,
>
> On Fri, Oct 26, 2018 at 8:59 AM Hans de Goede <[email protected]> wrote:
> >
> > Hi,
> >
> > On 26-10-18 03:58, Diego Viola wrote:
> > > med_power_with_dipm causes my T450 to freeze with a SAMSUNG
> > > MZ7TD256HAFV-000L9 SSD (firmware DXT02L5Q).
> > >
> > > Switching the LPM to max_performance fixes this issue.
> > >
> > > Signed-off-by: Diego Viola <[email protected]>
> >
> > Thank you for the patch, have you updated the firmware and
> > confirmed that this happens with the latest firmware version too ?
>
> No, I haven't tired the latest one yet.
s/tired/tried/
>
> The last time I saw, Samsung/Lenovo doesn't make it very easy for
> Linux users, and I don't have a Windows installation to perform the
> upgrade.
>
> >
> > If not please send a new version limiting the blacklist to your
> > firmware version.
>
> OK. Sent.
>
> >
> > Regards,
> >
> > Hans
> >
> >
> >
> >
> > > ---
> > > drivers/ata/libata-core.c | 1 +
> > > 1 file changed, 1 insertion(+)
> > >
> > > diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
> > > index a9dd4ea7467d..a7f5202a4815 100644
> > > --- a/drivers/ata/libata-core.c
> > > +++ b/drivers/ata/libata-core.c
> > > @@ -4553,6 +4553,7 @@ static const struct ata_blacklist_entry
> > > ata_device_blacklist [] = {
> > > /* These specific Samsung models/firmware-revs do not handle LPM
> > > well */
> > > { "SAMSUNG MZMPC128HBFU-000MV", "CXM14M1Q", ATA_HORKAGE_NOLPM, },
> > > { "SAMSUNG SSD PM830 mSATA *", "CXM13D1Q", ATA_HORKAGE_NOLPM, },
> > > + { "SAMSUNG MZ7TD256HAFV-000L9", NULL, ATA_HORKAGE_NOLPM, },
> > >
> > > /* devices that don't properly handle queued TRIM commands */
> > > { "Micron_M500IT_*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM |
> > >
>
> Regards,
> Diego
