Exadata OS reboot dev_watchdog call Trace show “dev_deactivate_queue run_timer_softirq cpuidle_enter_state”
近日一客户Exadata Machine节点总是会不定理重启，在DB和GI层无错误日志，类突然断电或无响应重启， 分析OS message日志显示如下信息。
WARNING: CPU: 2 PID: 0 at net/sched/sch_generic.c:334 dev_watchdog+0x228/0x22c
Apr 7 12:49:37 xd08anbob03 kernel: Modules linked in: oracleacfs(PO) oracleadvm(PO) oracleoks(PO) ipmi_poweroff scsi_transport_iscsi
