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SubjectRe: [PATCH v2] libata: Apply NOLPM quirk for SAMSUNG MZ7TD256HAFV-000L9
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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 <diego.viola@gmail.com>

Thank you for the patch, have you updated the firmware and
confirmed that this happens with the latest firmware version too ?

If not please send a new version limiting the blacklist to your
firmware version.

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 |
>

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