Try running the following code. Load the "msr" kernel module and me sure rdmsr is installed. It's available from http://www.kernel.org/pub/linux/utils/cpu/msr-tools/ and is simple to compile. for a in /dev/cpu/[0-9]* do cpu=$(basename $a) printf "%2d: " $cpu echo $(($(rdmsr -f 23:16 -p$cpu -d 0x1a2) - $(rdmsr -f 22:16 -p$cpu -u 0x19c))) done
That should return the core temperatures in Celsius by reading the values from the CPU MSRs. I may have some other ideas for you if what that reveals doesn't help. Ryan On 12/08/2010 02:00 PM, Erich Weiler wrote: > Hi All, > > We're running CentOS 5.5 (kernel 2.6.18-194.3.1.el5) on two Dell R910 > servers. We're periodically getting CPU overheating messages spit out > from syslogd: > > Message from syslogd@ at Fri Dec 3 12:06:56 2010 ... > server kernel: CPU60: Temperature above threshold, cpu clock throttled > > Message from syslogd@ at Fri Dec 3 12:06:56 2010 ... > server kernel: CPU28: Temperature above threshold, cpu clock throttled > > Message from syslogd@ at Fri Dec 3 12:06:56 2010 ... > server kernel: CPU24: Temperature/speed normal > > Message from syslogd@ at Fri Dec 3 12:06:56 2010 ... > server kernel: CPU32: Temperature/speed normal > > The servers are well ventilated in a datacenter, and they both exhibit > the same problem when under load. I think the fans are working OK, but > maybe these CPUs just run a little hotter than others, which may be > triggering the threshold in the kernel? Anyone else seen this before? > > lm_sensors doesn't work on these boxes. Any info on why it's happening, > or a good way to query the CPU temps, would be much appreciated! > > TIA! > > _______________________________________________ > Linux-PowerEdge mailing list > Linux-PowerEdge@dell.com > https://lists.us.dell.com/mailman/listinfo/linux-poweredge > Please read the FAQ at http://lists.us.dell.com/faq -- Ryan Cox Systems Administrator Fulton Supercomputing Lab Brigham Young University _______________________________________________ Linux-PowerEdge mailing list Linux-PowerEdge@dell.com https://lists.us.dell.com/mailman/listinfo/linux-poweredge Please read the FAQ at http://lists.us.dell.com/faq
