[mirror_ubuntu-bionic-kernel.git] / Documentation / clearing-warn-once.txt


WARN_ONCE / WARN_ON_ONCE only print a warning once.

echo 1 > /sys/kernel/debug/clear_warn_once

clears the state and allows the warnings to print once again.
This can be useful after test suite runs to reproduce problems.
Commit	Line	Data
b1fca27d AK	1
	2	WARN_ONCE / WARN_ON_ONCE only print a warning once.
	3
	4	echo 1 > /sys/kernel/debug/clear_warn_once
	5
	6	clears the state and allows the warnings to print once again.
	7	This can be useful after test suite runs to reproduce problems.