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

From: Sudip Mukherjee
Date: Fri Mar 16 2018 - 16:56:10 EST


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