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Documentation: update panic parameter info

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Add a little more info for some of the panic-related kernel parameters.
Fix "oops=panic" to fit in 80 columns.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Reviewed-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Randy Dunlap
2011-04-04 15:02:24 -07:00
committed by Linus Torvalds
parent 41c57892a2
commit 44a4dcf75c
1 changed files with 7 additions and 5 deletions
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12
Documentation/kernel-parameters.txt
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@@ -1832,15 +1832,17 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
perfmon on Intel CPUs instead of the perfmon on Intel CPUs instead of the
CPU specific event set. CPU specific event set.
oops=panic Always panic on oopses. Default is to just kill the process, oops=panic Always panic on oopses. Default is to just kill the
but there is a small probability of deadlocking the machine. process, but there is a small probability of
deadlocking the machine.
This will also cause panics on machine check exceptions. This will also cause panics on machine check exceptions.
Useful together with panic=30 to trigger a reboot. Useful together with panic=30 to trigger a reboot.
OSS [HW,OSS] OSS [HW,OSS]
See Documentation/sound/oss/oss-parameters.txt See Documentation/sound/oss/oss-parameters.txt
panic= [KNL] Kernel behaviour on panic panic= [KNL] Kernel behaviour on panic: delay <timeout>
seconds before rebooting
Format: <timeout> Format: <timeout>
parkbd.port= [HW] Parallel port number the keyboard adapter is parkbd.port= [HW] Parallel port number the keyboard adapter is
@@ -2343,6 +2345,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
softlockup_panic= softlockup_panic=
[KNL] Should the soft-lockup detector generate panics. [KNL] Should the soft-lockup detector generate panics.
Format: <integer>
sonypi.*= [HW] Sony Programmable I/O Control Device driver sonypi.*= [HW] Sony Programmable I/O Control Device driver
See Documentation/sonypi.txt See Documentation/sonypi.txt
@@ -2529,8 +2532,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
reported either. reported either.
unknown_nmi_panic unknown_nmi_panic
[X86] [X86] Cause panic on unknown NMI.
Set unknown_nmi_panic=1 early on boot.
usbcore.autosuspend= usbcore.autosuspend=
[USB] The autosuspend time delay (in seconds) used [USB] The autosuspend time delay (in seconds) used