diff options
| -rw-r--r-- | lib/Kconfig.debug | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 51c6bf0d93c6..c40c7b734cd1 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -800,6 +800,30 @@ config SOFTLOCKUP_DETECTOR chance to run. The current stack trace is displayed upon detection and the system will stay locked up. +config BOOTPARAM_SOFTLOCKUP_PANIC + bool "Panic (Reboot) On Soft Lockups" + depends on SOFTLOCKUP_DETECTOR + 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 20 seconds (configurable using the watchdog_thresh + sysctl), 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 SOFTLOCKUP_DETECTOR + range 0 1 + default 0 if !BOOTPARAM_SOFTLOCKUP_PANIC + default 1 if BOOTPARAM_SOFTLOCKUP_PANIC + config HARDLOCKUP_DETECTOR_PERF bool select SOFTLOCKUP_DETECTOR @@ -849,30 +873,6 @@ config BOOTPARAM_HARDLOCKUP_PANIC_VALUE default 0 if !BOOTPARAM_HARDLOCKUP_PANIC default 1 if BOOTPARAM_HARDLOCKUP_PANIC -config BOOTPARAM_SOFTLOCKUP_PANIC - bool "Panic (Reboot) On Soft Lockups" - depends on SOFTLOCKUP_DETECTOR - 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 20 seconds (configurable using the watchdog_thresh - sysctl), 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 SOFTLOCKUP_DETECTOR - range 0 1 - default 0 if !BOOTPARAM_SOFTLOCKUP_PANIC - default 1 if BOOTPARAM_SOFTLOCKUP_PANIC - config DETECT_HUNG_TASK bool "Detect Hung Tasks" depends on DEBUG_KERNEL |