https://bugzilla.kernel.org/show_bug.cgi?id=36182
--- Comment #27 from Bob <bobbuechler.concentric...@gmail.com> 2013-05-08 20:58:52 --- Hi Fenghua (and all): For the record, my personal recommendation would be to only disregard or blacklist these log entries only if you're certain you're not experiencing any performance degradation, or if you are, it is acceptable to you. In the case of running java applications, more than one person has encountered severe performance problems, which were only actually solved by disabling a variety of EIST functionality in BIOS. To be clear: without these notice messages showing up in the logs, there would have been virtually no way to diagnose this issue. My feeling is, while these messages are innocuous (ie. there is no error condition, they are merely logging CPU stepping activity), seeing these log entries is very necessary so that you can discover the existence of CPU stepping. That is a crucial troubleshooting component to diagnosing the root cause of java application performance degradation when running this family of hardware. Rather than working with RH to silence the notifications, it would be much better to find and fix the root cause of the performance problems (in the case of java), and then add some sort of normal logging parameter that would allow for a graceful silencing of these messages when performance problems are not involved. That said, java may simply fall into Dell's "High Performance Computing" category, where even they suggest disabling CPU stepping (see pages 13 & 14): http://www.dellhpcsolutions.com/dellhpcsolutions/assets/Optimal_BIOS_HPC_Dell_12G.v1.0.pdf -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ------------------------------------------------------------------------------ Learn Graph Databases - Download FREE O'Reilly Book "Graph Databases" is the definitive new guide to graph databases and their applications. This 200-page book is written by three acclaimed leaders in the field. The early access version is available now. Download your free book today! http://p.sf.net/sfu/neotech_d2d_may _______________________________________________ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
