请教 IBM x3850宕机故障

jtp540

IBM x3850 不定时宕机,请教是什么故障,谢谢
在IMPL 的日志如下:
182 02/05/2015 02:32:19 Power unit / power domain 129 (Power Unit - Host Power): Assertion: Power Off / Power Down.  No Extended Data
183 02/05/2015 02:32:31 Power unit / power domain 129 (Power Unit - Host Power): Deassertion: Power Off / Power Down.  No Extended Data
184 02/05/2015 02:33:24 (System Firmware Progress - ): Assertion: System Firmware Progress: Unspecified.  No Extended Data
185 02/05/2015 02:38:04 (System Firmware Progress - ): Assertion: System Firmware Progress: Secondary processor(s) initialization.  No Extended Data
186 02/05/2015 02:39:59 (OS Boot - ): Assertion: C: boot completed.  No Extended Data
187 02/05/2015 03:16:43 (OS Critical Stop - ): Assertion:  No Extended Data
188 02/05/2015 03:16:54 Power unit / power domain 129 (Power Unit - Host Power): Assertion: Power Off / Power Down.  No Extended Data
189 02/05/2015 03:16:59 Power unit / power domain 129 (Power Unit - Host Power): Deassertion: Power Off / Power Down.  No Extended Data
190 02/05/2015 03:17:19 (System Firmware Progress - ): Assertion: System Firmware Progress: Unspecified.  No Extended Data
191 02/05/2015 03:22:11 (System Firmware Progress - ): Assertion: System Firmware Progress: Secondary processor(s) initialization.  No Extended Data
192 02/05/2015 03:24:09 (OS Boot - ): Assertion: C: boot completed.  No Extended Data

sbl_why

184 02/05/2015 02:33:24 (System Firmware Progress - ): Assertion: System Firmware Progress: Unspecified.  No Extended Data
没有可扩展的数据