From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f41.google.com ([74.125.82.41]:53306 "EHLO mail-wm0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751961AbeCPU4D (ORCPT ); Fri, 16 Mar 2018 16:56:03 -0400 Date: Fri, 16 Mar 2018 20:55:59 +0000 From: Sudip Mukherjee To: "Martin K. 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: Sender: stable-owner@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