HP BIOS "2013.07.01" causes CPU throttling resulting in Performance Issues With HP DL580 G7
Last updated on AUGUST 01, 2016
Applies to:Solaris Operating System - Version 10 8/11 U10 and later
Red Hat Enterprise Linux - Version 4 to 5.0 x64
Oracle Solaris on x86-64 (64-bit)
Information in this document applies to any platform.
Red Hat Enterprise Linux Advanced Server Itanium
Red Hat Enterprise Linux Advanced Server x86-64 (AMD Opteron Architecture)
Red Hat Enterprise Linux Workstation
We've noticed severe performance degradation between our current DL580 G7s running Intel Xeon CPU E7-4870 processors and previous machines of the same model (with different processors) and even against DL580 G5 machines. We aren't able to explain what causes the performance difference at this time. It appears to affect all of our 22 boxes of this model running Solaris. We've tested the same model running Windows and don't see any issues. We see about half the performance on single-threaded tests using the Scimark2 benchmark. We've seen similar results with both the Java version of the test and the compiled C version.
We see the problem with Solaris 10 8/11 s10x_u10wos_17b patch Generic_147441-01, as well as the latest patch, Generic_150401-11.
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