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Neil Williams wrote: > On Sat, 02 Jun 2007 11:56:37 +0100 > Simon Williams <simon@xxxxxxxxxxxxxxxxxxx> wrote: > >> Hello everyone. >> >> 2 days ago my server locked up. After a hard reboot it came back up >> fine. Then last night it did the same thing again, but this time it >> took several tries before it would boot properly. >> >> The question is- what is causing this? > > Overheating? > >> I have no idea where to start. There isn't usually a monitor or >> keyboard attached either, which makes things more interesting. >> >> Nothing appears in the logs which might give me any ideas. > > Some machines (IBM make some) have an automatic shutdown "feature" when > a temperature sensor detects an internal temperature above a certain > threshold. The sensor prevents any startup until the internal > temperaure has dropped below the threshold - then shuts it off again if > it gets too hot. I did think of temperature, but according to lm_sensors the CPU maintains a temperature of less than 35 degrees (while the mobo reads 25) and an unknown sensor (possibly unconnected or uncalibrated, but I think it's the RAM) reads 50 degrees. -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html