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Petersen" Cc: Tejun Heo , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] libata: blacklist Micron 500IT SSD with MU01 firmware Message-ID: <20180316205559.GA29406@sudip-laptop> References: <1521210819-9225-1-git-send-email-sudipm.mukherjee@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Hi Martin, On Fri, Mar 16, 2018 at 11:54:30AM -0400, Martin K. Petersen wrote: > > 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? Not really. But we also use MG02 firmware and afaik, Micron has confirmed that MG02 is a fixed one. I have only mentioned MU01 as I know it has the problem. -- Regards Sudip