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From: Guenter Roeck <linux@roeck-us.net>
To: Akinobu Mita <akinobu.mita@gmail.com>
Cc: linux-hwmon@vger.kernel.org, Jean Delvare <jdelvare@suse.com>,
	Sagi Grimberg <sagi@grimberg.me>,
	linux-nvme@lists.infradead.org, Jens Axboe <axboe@fb.com>,
	Keith Busch <kbusch@kernel.org>, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH] nvme: hwmon: provide temperature min and max values for each sensor
Date: Tue, 12 Nov 2019 07:04:38 -0800
Message-ID: <e2699eee-8ca2-fcf4-d6b2-624cbddd4c6d@roeck-us.net> (raw)
In-Reply-To: <CAC5umyjviR1J5HojE6WBhYQCzu=CFPPoNxXY=T9KRw2yTpO=VQ@mail.gmail.com>

On 11/12/19 6:40 AM, Akinobu Mita wrote:
[ ... ]
>> I'll see if I can test this tonight on my other NVMEs. I also dug up an old
>> NVMe drive from Toshiba; I'll see if I can connect and test it as well.
> 
> That's nice.
> 
It works on all devices I have, including the Toshiba, with the exception
of the Intel. Interestingly, the Toshiba NVMe reports:

nvme-pci-0600
Adapter: PCI adapter
Composite:    +56.0°C  (low  = -20.0°C, high = +85.0°C)
                        (crit = +82.0°C)
Sensor 1:     +56.0°C  (low  = -20.0°C, high = +85.0°C)

ie the critical temperature is lower than the high temperature. Go figure.

The Toshiba model is
	THNSN5256GPU7 NVMe TOSHIBA 256GB

The Intel NVMe has the latest firmware version installed, so this isn't
a problem that was ever fixed.

Guenter

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Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-10 14:17 Akinobu Mita
2019-11-10 16:30 ` Guenter Roeck
2019-11-11 15:56   ` Akinobu Mita
2019-11-11 17:35     ` Guenter Roeck
2019-11-12 14:40       ` Akinobu Mita
2019-11-12 15:04         ` Guenter Roeck [this message]
2019-11-12 15:06           ` Christoph Hellwig
2019-11-12 16:35             ` Guenter Roeck
2019-11-11 16:53 ` Christoph Hellwig
2019-11-12 14:19   ` Akinobu Mita
2019-11-12 14:21     ` Christoph Hellwig
2019-11-12 15:00       ` Akinobu Mita
2019-11-12 15:08         ` Christoph Hellwig
2019-11-12 16:38         ` Guenter Roeck
2019-11-13 12:58           ` Akinobu Mita
2019-11-13 14:11             ` Guenter Roeck

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