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【翻译自mos文章】Oracle Linux 5.9到Oracle Linux 6.4 之间的bug–Wrong Kernel Statistic
分类：Linux
Oracle Linux 5.9到Oracle Linux 6.4 之间的bug–Wrong Kernel Statistic in Version 2.6.39-400.X.X参考自：Wrong Kernel Statistic in Version 2.6.39-400.X.X (Doc ID 1552713.1)适用于：Linux OS – Version Oracle Linux 5.9 with Unbreakable Enterprise Kernel [2.6.39] to Oracle Linux 6.4 with Unbreakable Enterprise Kernel [2.6.39] [Release OL5U9 to OL6U4]Linux x86-64Linux x86症状：When running continuously, both mpstat and sar will occasionally report 0% for all of the various cpu times, including idle. A single mpstat willreport odd usage even on a mostly idle machine, for example:Linux 2.6.39-400.17.2.el6uek.x86_64 (test.oracle.com)11:14:25 CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle11:14:25 all 3.44 0.10 4.38 3.97 0.00 0.06 50.82 0.00 37.23改变：The system was upgraded to a UEK kernel with a version later than 2.6.39-400原因：unpublished BUG 16567925 – INCORRECT CPU UTILIZATION STATS WITH 2.6.39-400.17.1解决方案：Upgrade to kernel 2.6.39-400.22.1 or later.
上一篇【翻译自mos文章】在不同au size的asm diskgroup 之间move datafile下一篇遇到cursor: pin S等待事件
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