Content - 5b1f5d547be12d965da254a83e6b9cb24272842d - 629dd84/Documentation/clearing-warn-once.txt

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https://github.com/torvalds/linux

02 December 2023, 22:23:51 UTC

Tip revision: c698ca5278934c0ae32297a8725ced2e27585d7f authored by Linus Torvalds on 19 March 2018, 00:48:42 UTC
Linux 4.16-rc6

Tip revision: c698ca5

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.