灌溉梦想，记录脚步
2013-04-18技术合集

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ORA-00445错误一则

数据库在运行中突然出现如下错误，导致服务不可用。
ORA-00445: background process “m000” did not start after 120 seconds
ORA-32701: Possible hangs up to hang ID=0 detected
DIA0 terminating blocker (ospid: 14288486 sid: 4370 ser#: 7549) of hang with ID = 129
requested by master DIA0 process on instance 1
Hang Resolution Reason: Automatic hang resolution was performed to free a
critical database process.
by terminating session sid: 4370 ospid: 14288486
DIA0 successfully terminated session sid:4370 ospid:14288486 with status 31.
ORA-00445: background process “J000” did not start after 120 seconds
ORA-00445: background process “W005” did not start after 120 seconds
ORA-00445: background process “J000” did not start after 120 seconds
ERROR: Unable to normalize symbol name for the following short stack (at offset 311):
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2013-04-03技术合集

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module-init-tools与kmod冲突问题

环境：redhat 5.6 x64

在安装一个软件包时出现如下提示：

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[root@tape setup]# rpm -Uvh kmod-mhvtl-1.3-1.el5.elrepo.x86_64.rpm 
warning: kmod-mhvtl-1.3-1.el5.elrepo.x86_64.rpm: Header V4 DSA signature: NOKEY
error: Failed dependencies:
        module-init-tools = 3.3-0.pre3.1.60.el5 conflicts with kmod-mhvtl-1.3-1.el5

经过搜索，原因是新的module管理方式kmod替代了原来软件module-init-tools的功能，在安装的时候造成冲突。

有方法说卸载module-init-tools可以解决问题，但是卸载时会提示将依赖其的很多系统软件包一并卸载，估计不行。

之后通过如下方式解决：
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