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10 lines
265 B
10 lines
265 B
3 years ago
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清除 WARN_ONCE
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WARN_ONCE / WARN_ON_ONCE / printk_once 仅仅打印一次消息.
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echo 1 > /sys/kernel/debug/clear_warn_once
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可以清除这种状态并且再次允许打印一次告警信息，这对于运行测试集后重现问题
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很有用。
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