linux-kernel - Re: [PATCH] libata: blacklist Micron 500IT SSD with MU01 firmware

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Message-ID: <yq137106mo9.fsf@oracle.com>
Date:   Fri, 16 Mar 2018 11:54:30 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:     Tejun Heo <tj@...nel.org>, linux-kernel@...r.kernel.org,
        linux-ide@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] libata: blacklist Micron 500IT SSD with MU01 firmware


Sudip,

> While whitelisting Micron M500DC drives, the tweaked blacklist entry
> enabled queued TRIM from M500IT variants also. But these do not support
> queued TRIM. And while using those SSDs with the latest kernel we have
> seen errors and even the partition table getting corrupted.

> +	{ "Micron_M500IT_*",		"MU01",	ATA_HORKAGE_NO_NCQ_TRIM |
> +						ATA_HORKAGE_ZERO_AFTER_TRIM, },

Any reason to believe this deficiency is limited to MU01 firmware?

-- 
Martin K. Petersen	Oracle Linux Engineering