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mk-rootfs.sh
hc
2024-03-26
e0728245c89800c2038c23308f2d88969d5b41c8
[~luoshi/RK3588_XEN.git]
/
kernel
/
Documentation
/
admin-guide
/
clearing-warn-once.rst
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Clearing WARN_ONCE
------------------
WARN_ONCE / WARN_ON_ONCE / printk_once only emit a message 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.