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| author | Randy Dunlap <rdunlap@xenotime.net> | 2005-09-13 01:25:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-13 08:22:32 -0700 |
| commit | 1cc5753f86589c5fb7e2f4a1fe778db3881f8f72 (patch) | |
| tree | 18267594334a26f94726f1cd7bf2f9fe6dd1094a | |
| parent | 438e5c5e2dae30359b53514a02f5827fb6e552c7 (diff) | |
| download | lwn-1cc5753f86589c5fb7e2f4a1fe778db3881f8f72.tar.gz lwn-1cc5753f86589c5fb7e2f4a1fe778db3881f8f72.zip | |
[PATCH] Doc: update oops-tracing.txt (Tainted flags)
Update Documentation/oops-tracing.txt:
- add descriptions of 3 more "Tainted" flags;
- fix some typos;
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | Documentation/oops-tracing.txt | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/Documentation/oops-tracing.txt b/Documentation/oops-tracing.txt index da711028e5f7..66eaaab7773d 100644 --- a/Documentation/oops-tracing.txt +++ b/Documentation/oops-tracing.txt @@ -205,8 +205,8 @@ Phone: 701-234-7556 Tainted kernels: Some oops reports contain the string 'Tainted: ' after the program -counter, this indicates that the kernel has been tainted by some -mechanism. The string is followed by a series of position sensitive +counter. This indicates that the kernel has been tainted by some +mechanism. The string is followed by a series of position-sensitive characters, each representing a particular tainted value. 1: 'G' if all modules loaded have a GPL or compatible license, 'P' if @@ -214,16 +214,25 @@ characters, each representing a particular tainted value. MODULE_LICENSE or with a MODULE_LICENSE that is not recognised by insmod as GPL compatible are assumed to be proprietary. - 2: 'F' if any module was force loaded by insmod -f, ' ' if all + 2: 'F' if any module was force loaded by "insmod -f", ' ' if all modules were loaded normally. 3: 'S' if the oops occurred on an SMP kernel running on hardware that - hasn't been certified as safe to run multiprocessor. - Currently this occurs only on various Athlons that are not - SMP capable. + hasn't been certified as safe to run multiprocessor. + Currently this occurs only on various Athlons that are not + SMP capable. + + 4: 'R' if a module was force unloaded by "rmmod -f", ' ' if all + modules were unloaded normally. + + 5: 'M' if any processor has reported a Machine Check Exception, + ' ' if no Machine Check Exceptions have occurred. + + 6: 'B' if a page-release function has found a bad page reference or + some unexpected page flags. The primary reason for the 'Tainted: ' string is to tell kernel debuggers if this is a clean kernel or if anything unusual has -occurred. Tainting is permanent, even if an offending module is -unloading the tainted value remains to indicate that the kernel is not +occurred. Tainting is permanent: even if an offending module is +unloaded, the tainted value remains to indicate that the kernel is not trustworthy. |