diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-06-10 16:16:55 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-06-10 16:16:55 +0200 |
commit | 13af31f0f9bef3e82215389d6c4dab2989682c6b (patch) | |
tree | 20068ef1c2d088530ab8ad0518a7b87fafbab1ff /lib | |
parent | 8123b2a238cd68820bc44ca417e2f184da575c54 (diff) | |
parent | 8c2238eaaf0f774ca0f8d9daad7a616429bbb7f1 (diff) |
Merge branch 'core/softlockup' into auto-core-next
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Kconfig.debug | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index d2099f41aa1e..509ae35a9ef5 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -147,7 +147,7 @@ config DETECT_SOFTLOCKUP help Say Y here to enable the kernel to detect "soft lockups", which are bugs that cause the kernel to loop in kernel - mode for more than 10 seconds, without giving other tasks a + mode for more than 60 seconds, without giving other tasks a chance to run. When a soft-lockup is detected, the kernel will print the @@ -159,6 +159,30 @@ config DETECT_SOFTLOCKUP can be detected via the NMI-watchdog, on platforms that support it.) +config BOOTPARAM_SOFTLOCKUP_PANIC + bool "Panic (Reboot) On Soft Lockups" + depends on DETECT_SOFTLOCKUP + help + Say Y here to enable the kernel to panic on "soft lockups", + which are bugs that cause the kernel to loop in kernel + mode for more than 60 seconds, without giving other tasks a + chance to run. + + The panic can be used in combination with panic_timeout, + to cause the system to reboot automatically after a + lockup has been detected. This feature is useful for + high-availability systems that have uptime guarantees and + where a lockup must be resolved ASAP. + + Say N if unsure. + +config BOOTPARAM_SOFTLOCKUP_PANIC_VALUE + int + depends on DETECT_SOFTLOCKUP + range 0 1 + default 0 if !BOOTPARAM_SOFTLOCKUP_PANIC + default 1 if BOOTPARAM_SOFTLOCKUP_PANIC + config SCHED_DEBUG bool "Collect scheduler debugging info" depends on DEBUG_KERNEL && PROC_FS |