系统变为无响应状态并产生以下信息 "INFO: task <process>:<pid> blocked for more than 120 seconds".
Issue
- 在系统变为无响应前,/var/log/messages 中记录了以下信息:
INFO: task <process>:<pid> blocked for more than 120 seconds
- 是什么原因导致产生上面的信息?在对这个问题进行故障排除时需要什么信息?
Environment
- Red Hat Enterprise Linux (RHEL) 5.5 (kernel-2.6.18-194) 或更高版本
- Red Hat Enterprise Linux (RHEL) 6
- Red Hat Enterprise Linux (RHEL) 7
- 进程处于无法中断的睡眠状态 (D state)
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