File: clearing-warn-once.rst

package info (click to toggle)
linux 6.1.162-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,495,936 kB
  • sloc: ansic: 23,463,777; asm: 266,650; sh: 110,637; makefile: 49,892; python: 36,941; perl: 36,837; cpp: 6,060; yacc: 4,908; lex: 2,725; awk: 1,440; ruby: 25; sed: 5
file content (9 lines) | stat: -rw-r--r-- 275 bytes parent folder | download | duplicates (35) 
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.