Hi All, Attached is an updated f71882fg.c, which fixes a bug in the fan_from_reg function. This should change the reading of fan4 (make it even higher I'm afraid). I would like to know what the exact fan4 reading becomes with this new version. Thanks, Hans Ludovic Leb?gue wrote: > Hi Hans, > > I compiled and tested the driver. > > Here is the kernel log at startup : > > Dec 15 23:07:46 xxxx kernel: [82199.773523] f71882fg: Found f8000 chip > at 0xa00, revision 41 > Dec 15 23:07:46 xxxx kernel: [82199.773742] f71882fg f71882fg.2560: > Fan: 1 is in duty-cycle mode > Dec 15 23:07:46 xxxx kernel: [82199.773745] f71882fg f71882fg.2560: > Fan: 2 is in duty-cycle mode > Dec 15 23:07:46 xxxx kernel: [82199.773748] f71882fg f71882fg.2560: > Fan: 3 is in duty-cycle mode > > Here is the "sensors" (sensors version 3.0.2 with libsensors version > 3.0.2) output : > > f8000-isa-0a00 > Adapter: ISA adapter > in0: +1.68 V > in1: +1.67 V > in2: +1.64 V > fan1: 1486 RPM > fan2: 894 RPM > fan3: 0 RPM ALARM > fan4: 34464 RPM > temp1: +46.0?C (high = +70.0?C, hyst = +60.0?C) > temp2: +41.0?C (high = +100.0?C, hyst = +85.0?C) sensor = Intel PECI > temp3: +40.0?C (high = +100.0?C, hyst = +85.0?C) > > There are only two fans on my computer. > "fan3: 0 RPM ALARM " seems alright as there is no fan. > "fan4: 34464 RPM" is a bit strange > > Voltage indication seems to be divided by two. I guess sensors3.conf > should be modified for f8000 chip. > > Regards > Ludovic Leb?gue > > > On Mon, Dec 15, 2008 at 7:03 PM, Chuan-kai Lin <cklin at cs.pdx.edu> wrote: >> On Mon, Dec 15, 2008 at 04:32:09PM +0100, Hans de Goede wrote: >>> I got your email address from Jean Delvare. I'm the f71882fg maintainer >>> and I've been working on adding f8000 support to the f71882fg driver. >>> That work is now finished. >> Hi Hans, >> >> Thank you for your great work! The module builds and loads fine in >> 2.6.27.8 on my Dell Studio Slim 540s desktop computer, and sensors shows >> fan speed, voltage, and temperature measurements. Very cool!! I have >> attached two files showing the driver in action: >> >> idle.txt - sysfs contents on an idle system right after bootup >> loaded.txt - sysfs contents + sensors output on a loaded system >> >> Here are some issues I found: >> >> 1. There are only two fans in my system. The driver reports 0 RPM for >> the third fan (which sounds right), and some absurdly high RPM for >> the fourth fan (which sounds wrong). >> >> 2. When the driver loads into the kernel, it reports that there are >> three fans, and they are all in duty-cycle mode. However, only the >> CPU fan (fan2) uses a 4-pin connector; the case fan (fan1) uses a >> 3-pin connector. I seem to recall that a fan on a 3-pin connector >> can be controlled through only DC voltage? >> >> 3. The full-speed number seems to record the maximum measured fan speed >> instead of the maximum possible fan speed. >> >> 4. I cannot change fan speed by altering tempX_auto_pointY_pwm values. >> However, both the CPU fan and the case fan do speed up when the >> system gets warm. >> >> I am happy to provide more information to help you diagnose the >> problems. >> >> -- >> Chuan-kai Lin >> http://web.cecs.pdx.edu/~cklin/ >> -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: f71882fg.c Url: http://lists.lm-sensors.org/pipermail/lm-sensors/attachments/20081215/f6e81414/attachment.c
