I don't see anything in CHANGES or the CVS log that sounds like it would fix this. Strange since I assume there are no writes happening to any registers in normal operation, just reads for monitoring. Could be noise on the I2C bus or even cosmic rays that flipped a bit in the LM87. The server wasn't in Denver, was it (high altitude)? Sorry no great ideas on how to answer 2-4. Hope it doesn't happen again... mds David Knierim wrote: > We have a product based on the Intel E7501 chipset which uses two LM87 > sensor chips and the i2c-i801 bus driver. We have fielded several > hundred of these boxes over the past two years. They are all running > Red Hat 9 with the version of sensors that came with it (the rpm > version is 2.6.5-5). Yes, I know this an ancient release... > > I got a call yesterday that one of the boxes had started getting > voltage alarms. After some investigation, I determined the problem > was that the low voltage alarm threshold for the +V2.5 power plane had > changed to 3.32V (from the normal value of 2.37V. The high voltage > threshold had not changed for the normal setting of 2.61V. The > measured voltage of 2.48V looked fine, too. > > After running sensors -s, the problem went away (as I expected it to). > > So I have a bunch of questions: > 1 - is it likely that this problem would be fixed in a newer release > of lm_sensors? > 2 - if it's not fixed, how would one track down the problem so we could fix it? > 3 - is it possible this is a hardware problem? > 4 - Any thoughs on recovering from problem in a more automated fashion > until a fix is found? > > Any thoughts are welcome. > > David > > _______________________________________________ > lm-sensors mailing list > lm-sensors at lm-sensors.org > http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
