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disable uart0 uart7 uart9
hc
2023-11-22
983d7f83616922a6439b4352d1b3af488ee27f95
[~ljy/RK356X_SDK_RELEASE.git]
/
kernel
/
Documentation
/
clearing-warn-once.txt
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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.