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-rw-r--r--Documentation/x86_64/boot-options.txt8
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt
index a4595b22e092..945311840a10 100644
--- a/Documentation/x86_64/boot-options.txt
+++ b/Documentation/x86_64/boot-options.txt
@@ -14,9 +14,11 @@ Machine check
14 mce=nobootlog 14 mce=nobootlog
15 Disable boot machine check logging. 15 Disable boot machine check logging.
16 mce=tolerancelevel (number) 16 mce=tolerancelevel (number)
17 0: always panic, 1: panic if deadlock possible, 17 0: always panic on uncorrected errors, log corrected errors
18 2: try to avoid panic, 3: never panic or exit (for testing) 18 1: panic or SIGBUS on uncorrected errors, log corrected errors
19 default is 1 19 2: SIGBUS or log uncorrected errors, log corrected errors
20 3: never panic or SIGBUS, log all errors (for testing only)
21 Default is 1
20 Can be also set using sysfs which is preferable. 22 Can be also set using sysfs which is preferable.
21 23
22 nomce (for compatibility with i386): same as mce=off 24 nomce (for compatibility with i386): same as mce=off