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From: martin.petersen@oracle.com (Martin K. Petersen)
Subject: Report long suspend times of NVMe devices (mostly firmware/device issues)
Date: Mon, 22 Jan 2018 16:31:11 -0500	[thread overview]
Message-ID: <yq1efmhk2cg.fsf@oracle.com> (raw)
In-Reply-To: <9e398971-762d-bb1a-f798-bf0b18cb5b6b@molgen.mpg.de> (Paul Menzel's message of "Mon, 22 Jan 2018 22:02:12 +0100")


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

WARNING: multiple messages have this Message-ID (diff)
From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Paul Menzel <pmenzel+linux-nvme@molgen.mpg.de>
Cc: Keith Busch <keith.busch@intel.com>, Jens Axboe <axboe@fb.com>,
	Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
	linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org
Subject: Re: Report long suspend times of NVMe devices (mostly firmware/device issues)
Date: Mon, 22 Jan 2018 16:31:11 -0500	[thread overview]
Message-ID: <yq1efmhk2cg.fsf@oracle.com> (raw)
In-Reply-To: <9e398971-762d-bb1a-f798-bf0b18cb5b6b@molgen.mpg.de> (Paul Menzel's message of "Mon, 22 Jan 2018 22:02:12 +0100")


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

  parent reply	other threads:[~2018-01-22 21:31 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-22 21:02 Report long suspend times of NVMe devices (mostly firmware/device issues) Paul Menzel
2018-01-22 21:02 ` Paul Menzel
2018-01-22 21:30 ` Keith Busch
2018-01-22 21:30   ` Keith Busch
2018-01-24 22:29   ` Paul Menzel
2018-01-24 22:29     ` Paul Menzel
2018-01-24 22:47     ` Keith Busch
2018-01-24 22:47       ` Keith Busch
2018-01-22 21:31 ` Martin K. Petersen [this message]
2018-01-22 21:31   ` Martin K. Petersen

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