File: clearing-warn-once.rst

package info (click to toggle)
linux 6.12.73-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie-proposed-updates
  • size: 1,675,820 kB
  • sloc: ansic: 25,915,858; asm: 269,648; sh: 136,658; python: 65,456; makefile: 55,721; perl: 37,753; xml: 19,284; cpp: 5,895; yacc: 4,927; lex: 2,939; awk: 1,594; sed: 28; ruby: 25
file content (9 lines) | stat: -rw-r--r-- 275 bytes parent folder | download | duplicates (34) 
1
2
3
4
5
6
7
8
9
 
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.