linux-kernel - Re: Regression: w1_therm: sysfs w1_slave sometimes report 85 degrees Celsius

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Message-ID: <7efe5e64-d22b-99df-74e0-62acc54f1672@leemhuis.info>
Date:   Mon, 22 May 2023 12:44:12 +0200
From:   "Linux regression tracking #update (Thorsten Leemhuis)" 
        <regressions@...mhuis.info>
To:     Stefan Wahren <stefan.wahren@...e.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Akira Shimahara <akira215corp@...il.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Stefan Wahren <stefan.wahren@...rgebyte.com>,
        regressions@...ts.linux.dev
Subject: Re: Regression: w1_therm: sysfs w1_slave sometimes report 85 degrees
 Celsius

On 26.04.23 15:39, Stefan Wahren wrote:
> recently we switch on our Tarragon board (i.MX6ULL) to Linux 6.1 and
> noticed that the connected 1-wire temperature sensors
> (w1_therm.w1_strong_pull=0) sometimes (~ 1 of 20 times) report 85
> degrees Celsius, which is AFAIK the only way to report errors to the
> 1-wire master:
> [...]
> #regzbot introduced: 67b392f7b8ed

#regzbot fix: w1_therm: optimizing temperature read timings
#regzbot ignore-activity

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
That page also explains what to do if mails like this annoy you.