linux-kernel - Re: Report long suspend times of NVMe devices (mostly firmware/device issues)

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Message-ID: <yq1efmhk2cg.fsf@oracle.com>
Date:   Mon, 22 Jan 2018 16:31:11 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Paul Menzel <pmenzel+linux-nvme@...gen.mpg.de>
Cc:     Keith Busch <keith.busch@...el.com>, Jens Axboe <axboe@...com>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>, linux-kernel@...r.kernel.org,
        linux-nvme@...ts.infradead.org
Subject: Re: Report long suspend times of NVMe devices (mostly firmware/device issues)


Paul,

> In my opinion anything longer than 200 ms should be reported similar to
> [2], and maybe worded like below.

There are many controllers out there that take double-digit seconds to
shut down.

-- 
Martin K. Petersen	Oracle Linux Engineering