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Date:   Mon, 16 Jan 2017 16:01:30 -0500
From:   "Martin K. Petersen" <>
To:     James Bottomley <>
Cc:     "Martin K. Petersen" <>,
        David Miller <>,
        Bart Van Assche <>,
        Christoph Hellwig <>,,
        "linux-kernel\" <>,, Sathya Prakash <>,
        Suganath Prabu Subramani 
        Hannes Reinecke <>,
        "linux-scsi\" <>,
        Christoph Hellwig <>,
        Chaitra Basappa <>,,
        Sreekanth Reddy <>,
        Ingo Molnar <>
Subject: Re: [PATCH] scsi: mpt3sas: fix hang on ata passthru commands

>>>>> "James" == James Bottomley <> writes:

James> Subject: [PATCH] scsi: mpt3sas: fix hang on ata passthrough
James> commands

James> mpt3sas has a firmware failure where it can only handle one pass
James> through ATA command at a time.  If another comes in, contrary to
James> the SAT standard, it will hang until the first one completes
James> (causing long commands like secure erase to timeout).  The
James> original fix was to block the device when an ATA command came in,
James> but this caused a regression with

Broadcom folks: Please test and ack as soon as possible so we can get
this fix queued up.

Ingo: Since you appear to have hardware, it would be great if you could
test James' v3 ( Sorry for
the inconvenience.

Martin K. Petersen	Oracle Linux Engineering

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