Re: [PATCH] libata: add ATA_HORKAGE_NO_NCQ_TRIM for Samsung 860 and 870 SSDs

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On 2021/08/23 18:52, Hans de Goede wrote:
> Commit ca6bfcb2f6d9 ("libata: Enable queued TRIM for Samsung SSD 860")
> limited the existing ATA_HORKAGE_NO_NCQ_TRIM quirk from "Samsung SSD 8*",
> covering all Samsung 800 series SSDs, to only apply to "Samsung SSD 840*"
> and "Samsung SSD 850*" series based on information from Samsung.
> 
> But there is a large number of users which is still reporting issues
> with the Samsung 860 and 870 SSDs combined with Intel, ASmedia or
> Marvell SATA controllers and all reporters also report these problems
> going away when disabling queued trims.
> 
> Note that with AMD SATA controllers users are reporting even worse
> issues and only completely disabling NCQ helps there, this will be
> addressed in a separate patch.
> 
> Fixes: ca6bfcb2f6d9 ("libata: Enable queued TRIM for Samsung SSD 860")
> BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=203475
> Cc: stable@xxxxxxxxxxxxxxx
> Cc: Kate Hsuan <hpa@xxxxxxxxxx>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
>  drivers/ata/libata-core.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
> index 61c762961ca8..3eda3291952b 100644
> --- a/drivers/ata/libata-core.c
> +++ b/drivers/ata/libata-core.c
> @@ -3950,6 +3950,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
>  						ATA_HORKAGE_ZERO_AFTER_TRIM, },
>  	{ "Samsung SSD 850*",		NULL,	ATA_HORKAGE_NO_NCQ_TRIM |
>  						ATA_HORKAGE_ZERO_AFTER_TRIM, },
> +	{ "Samsung SSD 860*",		NULL,	ATA_HORKAGE_NO_NCQ_TRIM |
> +						ATA_HORKAGE_ZERO_AFTER_TRIM, },
> +	{ "Samsung SSD 870*",		NULL,	ATA_HORKAGE_NO_NCQ_TRIM |
> +						ATA_HORKAGE_ZERO_AFTER_TRIM, },
>  	{ "FCCT*M500*",			NULL,	ATA_HORKAGE_NO_NCQ_TRIM |
>  						ATA_HORKAGE_ZERO_AFTER_TRIM, },
>  
> 
Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxxx>

-- 
Damien Le Moal
Western Digital Research




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