问题简述 ORA-00240: control file enqueue held for more than 120 seconds ORA-00445: background process "m000" did not start after 120 seconds 处理人员 xxx 系统名称 xxx报表 系统版本   处理地址 xxx 数据库版本 11.2.0.2

1.RealCall.enqueue final class RealCall implements Call {@Override public void enqueue(Callback responseCallback) {synchronized (this) {if (executed) throw new IllegalStateException("Already Executed

以下文字会对linux usb hcd driver中的ehci_urb_enqueue函数做一些说明。 先把该函数罗列一下。 1. /* 2.  * non-error returns are a promise to giveback() the urb later 3.  * we drop ownership so next owner (or urb unlink) c

故障现象：alert 日志 Restarting dead background process MMON Tue May 16 17:24:51 2017 Process 0x0x6b0f14da8 appears to be hung while dumping Current time = 465593890, process death time = 465533027