Suse kernel BUG example: update_group_power: cpu_power

An example of suse kernel BUG: update_group_power: cpu_power Introduction: Recently, five business servers have been down for three days. The reason is that the suse11sp1 kernel bug. System error message: system messages log error: Jun 10 14:00:07 sharedbpro kernel: [282.962529] update_group_power: cpu_power = 3925366004Jun 10 14:00:07 sharedbpro kernel: [282.962559] update_group_power: cpu_power = 392510978jun 10 14:00:07 sharedbpro kernel: [282.965803] update_group_power: cpu_power = 3928642515jun 10 14:00:07 sharedbpro kernel: [282.966201] update_group_power: cpu_power = 7 sharedbpro kernel: [282.966369] update_group_power: cpu_power = 3929206061Jun 10 14:00:07 sharedbpro kernel: [282.966397] update_group_power: cpu_power = 000010 14:00:07 sharedbpro kernel: [282.966507] update_group_power: cpu_power = 3929344069Jun 10 14:00:07 sharedbpro kernel: [282.966535] update_group_power: cpu_power = 3929373135Jun 10 14:00:07 sharedbpro kernel: [282.969804] u Pdate_group_power: cpu_power = 000010 14:00:07 sharedbpro kernel: [282.970188] update_group_power: cpu_power = 000010 14:00:07 sharedbpro kernel: [282.970353] update_group_power: cpu_power = 000010 14:00:07 sharedbpro kernel: [282.970381] update_group_power: cpu_power = 3933218987Jun 10 14:00:07 sharedbpro kernel: [282.970490] update_group_power: cpu_power = 39333 27365Jun 10 14:00:07 sharedbpro kernel: [282.970518] update_group_power: cpu_power = 000010 14:00:07 sharedbpro kernel: [282.973789] update_group_power: cpu_power = 000010 14:00:07 sharedbpro kernel: [282.974194] update_group_power: cpu_power = 3937026810Jun 10 14:00:07 sharedbpro kernel: [282.974360] update_group_power: cpu_power = 3937196506Jun 10 14:00:07 sharedbpro kern El: [282.974388] update_group_power: cpu_power = 3937226236Jun 10 14:00:07 sharedbpro kernel: [282.974496] update_group_power: cpu_power = 3937333589Jun 10 14:00:07 sharedbpro kernel: [282.974525] update_group_power: cpu_power = 3937363466Jun 10 14:00:07 sharedbpro kernel: [282.977789] update_group_power: cpu_power = 3940624812Jun 10 14:00:07 sharedbpro kernel: [282.978185] update_group_power: Cpu_power = 3934717715jun 10 14:00:07 sharedbpro kernel: [282.978351] update_group_power: cpu_power = 3941187161 problem: An error similar to "update_group_power: cpu_power = xxxxxxxx" appears in the system log, generally, the error is reported for more than 10 minutes, and the error is reported continuously. It looks very spectacular in the log. After a certain period of time, the system will go down. I log on to the ILO console immediately and see that the console shows a black screen. At that time, I directly restarted the system and started the database to observe that everything went back to normal. Solution: Based on the vendor's judgment, determine this phenomenon as a bug. The solution is to update the system kernel to the stable version sp2 or sp1 top version, or update all the system files to the sp2 version. Tips: We will emphasize the problem here, as the O & M dba, we should first restore the application and then check the cause of the problem. Of course, it is necessary to collect information in a short time (within one or two minutes.