xref: /linux/Documentation/admin-guide/clearing-warn-once.rst (revision 3ade6ce1255e6e97f91b8ba77408dce9d2292df2)
1Clearing WARN_ONCE
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4WARN_ONCE / WARN_ON_ONCE / printk_once only emit a message once.
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6echo 1 > /sys/kernel/debug/clear_warn_once
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8clears the state and allows the warnings to print once again.
9This can be useful after test suite runs to reproduce problems.
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