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From: PGNet Dev <pgnet.dev@gmail.com>
To: Guenter Roeck <linux@roeck-us.net>, linux-hwmon@vger.kernel.org
Cc: marcel.p.bocu@gmail.com
Subject: Re: kernel 5.4.6 + Ryzen 3700X: "Can't display frequency and others of Ryzen7 3700X"
Date: Tue, 24 Dec 2019 12:34:59 -0800	[thread overview]
Message-ID: <218bc0cd-3b42-55a8-9726-1baf2f0a2aee@gmail.com> (raw)
In-Reply-To: <5400ddb2-c70d-11b4-4414-158c7c40afa5@roeck-us.net>

On 12/24/19 11:57 AM, Guenter Roeck wrote:
> The BIOS does exactly what the board vendor wants it to do: Reject direct access
> to the Super-IO chip. The board vendor wants you to access the chip through ACPI,
> ie with asus_atk0110. Unfortunately, it looks like the board vendor also
> changed the ACPI data sufficiently enough to make that driver not work for
> your board (assuming you tried loading it without acpi_enforce_resources=lax).


WITH module

	lsmod | grep asus_atk
		asus_atk0110           24576  0

but WITHOUT cmd line

	... acpi_enforce_resources=lax ...


`sensors` returns ONLY the limited

	sensors
		k10temp-pci-00c3
		Adapter: PCI adapter
		Tdie:         +34.4°C  (high = +70.0°C)
		Tctl:         +34.4°C

OTOH, switching, WITHOUT module

	lsmod | grep asus_atk
		(empty)

and WITH cmd line

	... acpi_enforce_resources=lax ...


`sensors` returns the full(er) output, as posted.

note again, in this case, even ATTEMPTING to load asus_atk0110 FAILs due to the apparent conflict with the =lax spec'n.

> There is nothing we can do about that unless the board vendor provides the information
> necessary to interpret the DSDT, or someone spends the time to reverse engineer it.

got it.  i'll poke at ASUS support.

thx 4 the education re: this^^ !

      reply	other threads:[~2019-12-24 20:35 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-24  2:46 kernel 5.4.6 + Ryzen 3700X: "Can't display frequency and others of Ryzen7 3700X" PGNet Dev
2019-12-24  5:28 ` Guenter Roeck
2019-12-24  5:50   ` PGNet Dev
2019-12-24 14:25     ` Guenter Roeck
2019-12-24 15:59       ` PGNet Dev
2019-12-24 16:29         ` Guenter Roeck
2019-12-24 17:14           ` PGNet Dev
2019-12-24 17:38             ` PGNet Dev
2019-12-24 19:57             ` Guenter Roeck
2019-12-24 20:34               ` PGNet Dev [this message]

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