From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guenter Roeck Date: Mon, 31 Oct 2011 05:07:45 +0000 Subject: Re: [lm-sensors] Something wrong with support for NCT6776F in Message-Id: <20111031050745.GA15235@ericsson.com> List-Id: References: <4EA9CECA.4050007@gmx.de> In-Reply-To: <4EA9CECA.4050007@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: lm-sensors@vger.kernel.org On Mon, Oct 31, 2011 at 12:57:36AM -0400, Guenter Roeck wrote: > Hi Soeren, >=20 > sorry for the late reply. Busy ... >=20 > On Thu, Oct 27, 2011 at 05:36:10PM -0400, Soeren D. Schulze wrote: > > I have an ASRock H67M-ITX motherboard. > >=20 > > The w83626ehf driver detects: > >=20 > > [ 3904.608693] w83627ehf: Found NCT6776F chip at 0x290 > >=20 > > "sensors" shows me: > >=20 > > coretemp-isa-0000 > > Adapter: ISA adapter > > Physical id 0: +46.0=B0C (high =3D +80.0=B0C, crit =3D +98.0=B0C) > > Core 0: +46.0=B0C (high =3D +80.0=B0C, crit =3D +98.0=B0C) > > Core 1: +45.0=B0C (high =3D +80.0=B0C, crit =3D +98.0=B0C) > > Core 2: +46.0=B0C (high =3D +80.0=B0C, crit =3D +98.0=B0C) > > Core 3: +46.0=B0C (high =3D +80.0=B0C, crit =3D +98.0=B0C) > >=20 > > nct6776-isa-0290 > > Adapter: ISA adapter > > Vcore: +0.96 V (min =3D +0.00 V, max =3D +1.74 V) > > in1: +0.18 V (min =3D +0.00 V, max =3D +0.00 V) ALARM > > AVCC: +3.39 V (min =3D +0.00 V, max =3D +0.00 V) ALARM > > +3.3V: +3.39 V (min =3D +0.00 V, max =3D +0.00 V) ALARM > > in4: +0.54 V (min =3D +0.00 V, max =3D +0.00 V) ALARM > > in5: +1.69 V (min =3D +0.00 V, max =3D +0.00 V) ALARM > > 3VSB: +3.41 V (min =3D +0.00 V, max =3D +0.00 V) ALARM > > Vbat: +3.31 V (min =3D +0.00 V, max =3D +0.00 V) ALARM > > fan1: 0 RPM (min =3D 0 RPM) ALARM > > fan2: 2180 RPM (min =3D 0 RPM) ALARM > > SYSTIN: +42.0=B0C (high =3D +0.0=B0C, hyst =3D +0.0=B0C) ALA= RM sensor=20 > > =3D thermistor > > CPUTIN: +127.5=B0C (high =3D +80.0=B0C, hyst =3D +75.0=B0C) ALA= RM sensor=20 > > =3D thermistor Followup: In my system, the CPU sensor type is reported to be a diode. Wonder if that is relevant. Guenter > > AUXTIN: -24.0=B0C (high =3D +80.0=B0C, hyst =3D +75.0=B0C) sen= sor =3D=20 > > thermistor > > PECI Agent 0: +46.5=B0C > > cpu0_vid: +2.050 V > > intrusion0: ALARM > > intrusion1: ALARM > >=20 > >=20 > > Here, CPUTIN and AUXTIN (whatever it is) are obviously wrong. CPUTIN=20 > > *decreases* towards 17=B0C when the CPU gets hot (non-linearly, though). > >=20 > Odd. No idea what is going on, though. The registers are quite straightfo= rward, > and the same for NCT6775F and NCT6776F. And it works on my system with NC= T6775F. >=20 > > This was the first problem. The second problem occurs when I try to=20 > > control fan2 manually. The "pwm2" file in sysfs is 255 for anything=20 > > above 2000 RPM, but as you can see above, the fan can do more (I've bee= n=20 > > at 2600 RPM -- maybe it can do even more), but pwm2 stays at 255. > >=20 > Looking through the datasheet, I did not find anything obvious. It might > be possible that the PWM output frequency (register 2 bank 0) somehow aff= ects > the fan speed as well. What causes the fan speed to go higher in your sys= tem ? >=20 > Guenter >=20 > >=20 > > I'm using the Debian Linux kernel 3.0.0-3, but the same problem occurs = > > when I pull the latest w83626ehf.c file from git. > >=20 > >=20 > > Hope this was a tiny bit helpful. If I can help you finding the source= =20 > > of this problem, please tell me. > >=20 > > S=F6ren > >=20 > > _______________________________________________ > > lm-sensors mailing list > > lm-sensors@lm-sensors.org > > http://lists.lm-sensors.org/mailman/listinfo/lm-sensors >=20 > _______________________________________________ > lm-sensors mailing list > lm-sensors@lm-sensors.org > http://lists.lm-sensors.org/mailman/listinfo/lm-sensors _______________________________________________ lm-sensors mailing list lm-sensors@lm-sensors.org http://lists.lm-sensors.org/mailman/listinfo/lm-sensors