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kernel / Documentation / admin-guide / clearing-warn-once.rst
at v5.13 9 lines 275 B view raw
1Clearing WARN_ONCE 2------------------ 3 4WARN_ONCE / WARN_ON_ONCE / printk_once only emit a message once. 5 6echo 1 > /sys/kernel/debug/clear_warn_once 7 8clears the state and allows the warnings to print once again. 9This can be useful after test suite runs to reproduce problems.