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Diffstat (limited to 'Documentation/clearing-warn-once.txt')
| -rw-r--r-- | Documentation/clearing-warn-once.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/clearing-warn-once.txt b/Documentation/clearing-warn-once.txt new file mode 100644 index 000000000..5b1f5d547 --- /dev/null +++ b/Documentation/clearing-warn-once.txt @@ -0,0 +1,7 @@ + +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. |