From: Stefan Richter <stefanr@s5r6.in-berlin.de>
To: lm-sensors@lm-sensors.org
Cc: linux-kernel@vger.kernel.org,
"Mark M. Hoffman" <mhoffman@lightlink.com>,
Jean Delvare <khali@linux-fr.org>
Subject: Re: 2.6.23-rc1 regression: hwmon/w83627ehf: wrong fan speed
Date: Sun, 05 Aug 2007 13:28:30 +0200 [thread overview]
Message-ID: <46B5B45E.3030208@s5r6.in-berlin.de> (raw)
In-Reply-To: <46B5B290.4040907@s5r6.in-berlin.de>
I wrote:
> Now that I booted from 2.6.22-rc5 to 2.6.23-rc2 I noticed that ksensors
> displayed 1/16 of the actual speed of the CPU fan (correct is ca. 1400
> RPM under light load) and 0 for the case fan (correct is ca. 480 RPM
> under light load).
>
> I reverted patch
> hwmon/w83627ehf: No need to initialize fan_min
> and the behaviour changed as follows: ksensors displays the correct CPU
> fan speed when loaded for the first time after the w83627ehf was loaded,
> then drops to 1/16th the next time it refreshes the display. (I
> configured 30s update interval in ksensors.) But the case fan's speed
> is now correctly displayed all the time. Ksensors' fan speed
> multipliers are configured as 1.
...
> Booting back into 2.6.22-rc5 (which seems identical with 2.6.22 as far
> as w83627ehf is concerned) brings back the correct fan speeds.
PS: The actual behavior under 2.6.22-rc5 is that the CPU fan speed is
displayed correctly from the start, while the case fan speed is
initially shown as 0 but jumps to the correct speed after ksensors'
first display update.
--
Stefan Richter
-=====-=-=== =--- --=-=
http://arcgraph.de/sr/
next prev parent reply other threads:[~2007-08-05 11:28 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-05 11:20 Stefan Richter
2007-08-05 11:28 ` Stefan Richter [this message]
2007-08-05 13:55 ` Mark M. Hoffman
2007-08-05 14:51 ` Stefan Richter
2007-08-05 15:17 ` Mark M. Hoffman
2007-08-05 16:21 ` Mark M. Hoffman
2007-08-05 17:13 ` Stefan Richter
2007-08-10 21:08 ` Jean Delvare
2007-08-10 22:29 ` Stefan Richter
2007-08-10 22:39 ` Stefan Richter
2007-08-11 2:30 ` [lm-sensors] " David Hubbard
2007-08-11 11:57 ` Jean Delvare
2007-08-11 15:41 ` Stefan Richter
2007-08-11 15:48 ` Stefan Richter
2007-08-12 9:21 ` Jean Delvare
2007-08-12 9:17 ` Jean Delvare
2007-08-12 10:34 ` Stefan Richter
2007-08-12 10:43 ` Stefan Richter
2007-08-12 17:49 ` Mark M. Hoffman
2007-08-12 16:06 ` Jean Delvare
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