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性能显著降低或机器变得无响应,因为所有 CPU 在 shrink_inactive_list 间出现 spin 的情况

Solution In Progress - Updated -

Issue

所有或几乎所有 CPU 都卡在 shrink_inactive_list 的 spinlocks 状态。
无法通过 SIGTERM 或 SIGSTOP 或 SIGKILL 信号终止 spinning 进程。由于在任务中一直处于 spinning,机器几乎没有响应或完全没有响应。内核处于 livelock 状态。
系统的平均负载非常高。

Environment

  • Red Hat Enterprise Linux 6

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