linux-kernel - Re: module nct6775 reporting wrong values after resume from suspend

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Message-ID: <bdfab2dd-5273-4a9b-aa11-209ad7c5676e@roeck-us.net>
Date: Wed, 30 Oct 2024 22:12:43 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: M3 <mys3lf@...tonmail.com>
Cc: "jdelvare@...e.com" <jdelvare@...e.com>,
 "linux-hwmon@...r.kernel.org" <linux-hwmon@...r.kernel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "christian@...sel.eu" <christian@...sel.eu>
Subject: Re: module nct6775 reporting wrong values after resume from suspend

On 10/30/24 21:47, M3 wrote:
> I cannot offer insight to an impact. Actual or possible.
> When I reported the issue to archlinux forum (https://bbs.archlinux.org/viewtopic.php?id=300507) the fan rpm had also dropped by ~20% but it is not reproducible every time.
> If you take a look at the link you will immediately observe the rpm differences. It is not what you asked (grep) but the fans are revving slower.
> 
> So my concern is whether this leads to an overheating of the box?
> 
> If you think it is of minor importance, I guess we can drop it.
> By no means do I want to occupy your valuable time.
> 

Based on the data you provided, I don't think there is any danger of overheating.
The fan speed differences are minor. Hard to say for sure, though, since you'd
need to run a test under load and see how the temperatures and fan speeds change.

Guenter