Thanks, mainboard is a Super Micro X8SIE-F I do not know how to reproduce it. It happens every week or so. 2010/5/11 Jean Delvare <khali@xxxxxxxxxxxx>: > Hi Arne, > > On Tue, 11 May 2010 10:55:27 +0200, Arne Riecken wrote: >> after some days some min or max values for sensors get zero and >> therefore an alaram is triggered. sonsors -s cures that but only if >> the values are defined in the sensors3.conf. If default values are >> used, there is no way out, You have to manually set them. >> >> chip "w83627ehf-*" "w83627dhg-*" >> >> Linux 2.6.26-2-xen-amd64 >> >> OS Debian 5.0 "Lenny" >> >> For example today VBAT max was suddenly 0, I had to reread it with >> sensors -s as You see below the correct value again. > > Actually, sensors -s is _writing_ the limits to the chip, not reading > them. > >> How to fix that? >> >> # sensors >> w83627dhg-isa-0a10 >> Adapter: ISA adapter >> VCore: +0.91 V (min = +0.60 V, max = +1.49 V) >> in1: +12.20 V (min = +10.82 V, max = +13.20 V) >> AVCC: +3.26 V (min = +3.14 V, max = +3.47 V) >> 3VCC: +3.26 V (min = +3.14 V, max = +3.47 V) >> in4: +1.55 V (min = +1.35 V, max = +1.65 V) >> in6: +4.74 V (min = +4.25 V, max = +5.25 V) >> VSB: +3.26 V (min = +2.98 V, max = +3.47 V) >> VBAT: +3.12 V (min = +2.80 V, max = +3.47 V) >> CPU Fan: 2636 RPM (min = 1205 RPM, div = 8) >> Aux Fan: 12735 RPM (min = 8035 RPM, div = 1) >> Sys Temp: +31.0°C (high = +60.0°C, hyst = +50.0°C) sensor = thermistor >> CPU Temp: +38.5°C (high = +95.0°C, hyst = +90.0°C) sensor = diode >> AUX Temp: +38.5°C (high = +80.0°C, hyst = +75.0°C) sensor = diode >> cpu0_vid: +1.300 V > > Which hardware is this? Odds are that the registers are being > overwritten by the BIOS, or the hardware is faulty. > > If you can easily reproduce the problem, the first thing to try is to > unload the w83627ehf driver and check whether the problem still > happens. You'll have to use "isadump 0xa15 0xa16" to dump the register > values, and check for the value of registers 0x2b to 0x3e. My guess is > that you will see them go to 0 even without the driver. If I am right, > this will prove the driver is innocent. > > It would also be a good idea to disassemble the ACPI DSDT table to check > whether APCI is poking at the hardware monitoring registers. If you > send your table to me in private, I'll take a look. > > -- > Jean Delvare > http://khali.linux-fr.org/wishlist.html > _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors